Chemistry terminology · MLC-0109
Chemistry terms: I (760)
- Ia antigenA class II major histocompatibility complex (MHC) protein found on the surface of antigen-presenting cells...
- IatrogenicDescribing an adverse condition, illness, or injury in a patient that results from medical treatment...
- ICAn abbreviation for internal conversion, which is a non-radiative transition between electronic states of the...
- IchthyosisA group of inherited skin disorders characterized by dry, scaly, or thickened skin, resembling fish scales...
- Icosahedro-A prefix used in chemical nomenclature to denote a molecular structure based on an icosahedron, which is a...
- IcosanoidsA class of oxygenated fatty acid derivatives, primarily derived from arachidonic acid, that act as local...
- ICTThe abbreviation for intramolecular charge transfer, a process where electron density shifts within a single...
- IcterusA medical condition characterized by yellow discoloration of the skin, mucous membranes, and whites of the...
- IctusA sudden neurological event, such as a stroke or seizure, characterized by an abrupt onset of symptoms. In...
- Ideal adsorbed stateA theoretical model for adsorption where the adsorbed molecules do not interact with each other and are...
- Ideal binary copolymerisationA specific type of binary copolymerization where the reactivity of a propagating chain end depends solely on...
- Ideal chromatographyA theoretical model of chromatography where the separation process is assumed to occur under perfect...
- Ideal copolymerisationA polymerization process involving two or more different monomers where the reactivity of a propagating chain...
- Ideal crystalline chain conformationThe specific, regular spatial arrangement of a polymer chain within a perfect crystal lattice, where all...
- Ideal dilute solutionA solution in which the solute molecules interact only with solvent molecules, and solvent molecules interact...
- Ideal gasA theoretical gas composed of randomly moving point particles that do not interact with each other except...
- Ideal mixtureA mixture of substances where the enthalpy of mixing is zero, and the volume change upon mixing is also zero...
- Ideal, non-linear chromatographyA theoretical model of chromatography where the distribution isotherm is non-linear, but other factors such...
- Identity periodThe smallest repeating distance along the axis of a polymer chain in a crystalline state, corresponding to...
- Identity reactionA chemical reaction where the products are chemically identical to the reactants, differing only in isotopic...
- IdiopathicDescribing a disease or condition that arises spontaneously or for which the cause is unknown. This...
- Idiopathic thrombocytopenic purpuraAn autoimmune disorder characterized by a low platelet count (thrombocytopenia) and purpura, which are purple...
- IdiosyncrasyA genetically determined, qualitatively abnormal reaction to a chemical, which is not dose-related in the...
- Idiosyncratic drug reactionAn adverse drug reaction that is qualitatively or quantitatively different from the expected pharmacological...
- IdiotypeThe unique set of antigenic determinants present on the variable regions of an antibody molecule or T-cell...
- Idiotype networkA theoretical regulatory system within the immune system where antibodies and T-cell receptors recognize and...
- IleocecalRelating to the ileum and the cecum, specifically referring to the junction between these two parts of the...
- IleumThe final and longest section of the small intestine, extending from the jejunum to the cecum. Its primary...
- Iliac arteryA major artery that supplies blood to the pelvis, hips, and legs. The common iliac artery branches from the...
- Ilkovič equationA mathematical relationship describing the diffusion-limited current at a dropping mercury electrode. It...
- IlluminanceThe density of luminous flux arriving at a point on a surface, calculated as the flux divided by the area of...
- ImageA pattern in a resist material created by a spatially selective chemical or physical change induced by...
- Image blurThe degradation of the sharpness or definition of a patterned image in a resist layer. This effect arises...
- Image converter tubeA vacuum tube device that converts an optical image into an electron image, which is then accelerated and...
- Image current detectionA method of detecting ions in a mass spectrometer, particularly in Fourier-transform ion cyclotron resonance...
- Image depth profileA technique in surface chemical analysis that combines depth profiling with imaging capabilities to provide a...
- Image dissection tubeA type of vacuum tube used as a radiation detector, particularly for ultraviolet and visible light. It...
- Image-based assayA type of biological assay that relies on the acquisition and analysis of microscopic images to quantify...
- Imaginary NMR spectrumThe part of a complex nuclear magnetic resonance spectrum that is 90 degrees out of phase with the...
- ImagingThe process of creating a visual representation of an object or phenomenon, often by detecting and recording...
- Imaging mass spectrometryA mass spectrometry technique that generates two-dimensional or three-dimensional maps of the spatial...
- ImbalanceA deviation from an equilibrium or expected distribution, particularly concerning electron density or charge...
- ImbibitionThe process by which a solid material absorbs a liquid, causing it to swell without dissolving. This...
- ImidesOrganic compounds characterized by two acyl groups bonded to a nitrogen atom. They are derivatives of ammonia...
- Imidic acidsTautomeric forms of amides, characterized by a hydroxyl group attached to a carbon atom that is double-bonded...
- ImidinesA class of organic compounds characterized by the presence of a carbon-nitrogen double bond within a cyclic...
- Imidoyl carbenesHighly reactive intermediates that possess both a carbene center and an imidoyl group (-C(=NR)R'). These...
- Imidoyl nitrenesHighly reactive intermediates featuring a nitrene functionality (-N:) directly attached to an imidoyl group...
- IminesOrganic compounds containing a carbon-nitrogen double bond, with the general formula R2C=NR'. They are...
- Iminium compoundsOrganic compounds containing a positively charged nitrogen atom double-bonded to a carbon atom, with two...
- Iminium ionA polyatomic cation with the general structure R2C=N+R'2, characterized by a double bond between a carbon...
- Imino acidsOrganic compounds that contain both an imine group (-C=N-) and a carboxyl group (-COOH). Proline is a...
- Imino carbenesHighly reactive organic intermediates characterized by a neutral carbon atom with two unshared valence...
- Iminoxyl radicalsRadical species containing the -C(=N-O•)R' functional group, where the unpaired electron resides primarily on...
- Iminyl radicalsNeutral organic radicals containing an unpaired electron on a nitrogen atom that is double-bonded to a carbon...
- Iminylium ionsCationic species containing a positively charged nitrogen atom that is double-bonded to a carbon atom, with...
- ImmatureDescribing a cell, particularly a lymphocyte, that has not yet fully differentiated to its final functional...
- Immediately-dangerous-to-life-or-health-concentrationThe maximum concentration of a hazardous substance in the air from which a person could escape within 30...
- Immediate-release tabletA solid dosage form designed to disintegrate and release the active pharmaceutical ingredient rapidly after...
- Immediate-type hypersensitivityA rapid and exaggerated immune response that occurs within minutes of exposure to an allergen, mediated...
- Immersion fluidA liquid with a high refractive index that is placed between the projection lens and the resist-coated wafer...
- Immersion lithographyA photolithographic technique that enhances resolution by filling the space between the projection lens and...
- Immersion solid-phase microextractionA sampling technique in solid-phase microextraction (SPME) where the fiber coated with an extraction phase is...
- Immersional wettingA type of wetting that occurs when a solid surface is completely submerged in a liquid, replacing the...
- ImmiscibilityThe inability of two or more substances, such as polymers, to mix or dissolve completely in each other to...
- Immiscible polymer blendA mixture of two or more polymers that do not form a single homogeneous phase at the molecular level...
- ImmissionThe transfer of an atmospheric pollutant from the air to a specific receptor, such as a person, plant, or...
- Immission doseThe total amount of a pollutant absorbed by a receptor (e.g., an organism or material) over a specific...
- Immission fluxThe rate at which a substance is transferred from the atmosphere to a receptor surface per unit area. This...
- Immission rateThe quantity of a substance transferred from the atmosphere to a specific receptor per unit of time. This...
- Immobile adsorptionA type of chemisorption where the adsorbed species is bound to a specific, fixed site on a solid surface and...
- Immobilised metal ion affinity-based fluorescence polarisation assayA biochemical assay that measures the binding of a fluorescently labeled ligand to a target molecule, often a...
- ImmobilizationThe process of confining enzymes, cells, or other biomolecules to a distinct phase or location, preventing...
- Immobilized enzymeAn enzyme that is physically confined or localized in a defined region of space while retaining its catalytic...
- Immobilized phaseA stationary phase in chromatography that is chemically bonded or physically entrapped within the support...
- Immobilized stationary phaseA stationary phase in chromatography that is chemically bonded to the support material or the inner wall of...
- Immune adherenceThe process by which antigen-antibody complexes, particularly those coated with complement components, bind...
- Immune complexA molecular complex formed by the non-covalent binding of an antibody to a soluble antigen. These complexes...
- Immune complex depositionThe accumulation of immune complexes in tissues, which can lead to inflammation and tissue damage. These...
- Immune complex diseaseA condition resulting from the deposition of antigen-antibody complexes in tissues and blood vessels. These...
- Immune cytolysisThe destruction of cells by components of the immune system, such as antibodies, complement proteins, or...
- Immune deviationA shift in the balance of immune responses, typically referring to a change in the type of T helper cell...
- Immune eliminationThe process by which the immune system removes foreign substances, such as pathogens or toxins, from the...
- Immune enhancementA phenomenon where a specific immune response, instead of protecting the host, exacerbates a disease or...
- Immune equilibriumA dynamic state in which the immune system maintains a balance between recognizing and eliminating abnormal...
- Immune escapeThe process by which pathogens or tumor cells evade recognition and elimination by the host's immune system...
- Immune evasionThe strategies employed by pathogens or tumor cells to avoid detection and destruction by the host's immune...
- Immune modulationAny change in the function of the immune system, which can involve either suppression or stimulation of its...
- Immune regulationThe complex set of processes that maintain the balance and control of immune responses within an organism...
- Immune reserve hypothesisA concept suggesting that the immune system possesses a latent capacity to respond to challenges beyond its...
- Immune responseThe coordinated reaction of the immune system to the presence of foreign substances, such as pathogens or...
- Immune response genesGenes that encode proteins involved in the recognition, processing, and presentation of antigens, thereby...
- Immune response-associated proteinA protein whose expression or function is directly linked to the initiation, progression, or regulation of an...
- Immune surveillanceA continuous monitoring process by the immune system to detect and destroy abnormal cells, such as those that...
- Immune systemA complex network of cells, tissues, and organs that work together to protect the body from pathogens...
- ImmunityThe state of protection against infectious disease or foreign substances, conferred by the immune system...
- ImmunizationThe process of inducing immunity in an organism against a particular disease or pathogen. This is achieved by...
- ImmunoactivationThe process by which components of the immune system are stimulated to increase their activity or...
- ImmunoactivatorA substance or agent that stimulates or enhances the activity of the immune system. These agents can promote...
- ImmunoadsorptionA therapeutic technique used to remove specific substances, such as antibodies or immune complexes, from a...
- ImmunoassayAn analytical method that quantifies a specific analyte by using the highly selective binding reaction...
- ImmunoblotA laboratory technique used to detect specific proteins in a sample by separating them electrophoretically...
- ImmunoblottingA laboratory technique used to detect specific proteins in a sample by separating them via gel...
- Immunochemical specificityThe ability of an antibody to bind exclusively or preferentially to a particular antigen or epitope...
- ImmunochemistryThe branch of chemistry that focuses on the study of the chemical properties and reactions of the immune...
- ImmunocompetenceThe ability of the immune system to mount an appropriate and effective immune response against foreign...
- ImmunocomplexA molecular assembly formed by the specific, non-covalent binding of an antibody to an antigen. This...
- ImmunocompromisedA state in which an individual's immune system is weakened or impaired, making them more susceptible to...
- ImmunoconjugateA molecule formed by chemically linking an antibody or an antibody fragment to another therapeutic or...
- ImmunocytokineA recombinant protein created by fusing a cytokine, a signaling molecule of the immune system, to an antibody...
- ImmunodeficiencyA condition characterized by a weakened or absent immune response, leading to increased susceptibility to...
- Immunodominant epitopeA specific region of an antigen that elicits the strongest immune response, particularly in terms of T-cell...
- Immunodysregulation-polyendocrinopathy-enteropathy, X-linkedA rare genetic disorder characterized by severe immune system dysfunction, multiple endocrine gland...
- ImmunoeditingA dynamic process describing the bidirectional interaction between the immune system and developing tumors...
- ImmunoelectrophoresisA laboratory technique that combines electrophoresis with immunodiffusion for the separation and...
- ImmunofluorescenceA microscopy technique that uses antibodies labeled with fluorescent dyes to detect specific antigens in...
- ImmunogenA substance capable of eliciting a specific immune response, including both humoral (antibody production) and...
- ImmunogenicityThe capacity of a substance, such as a polymer, to induce an immune response in a host organism. This...
- ImmunoglobulinA type of glycoprotein molecule produced by plasma cells that functions as an antibody. Immunoglobulins...
- Immunoglobulin AA class of antibody that is the predominant immunoglobulin found in mucosal secretions, including saliva...
- Immunoglobulin classA classification of antibodies based on the structural differences in their heavy chains, which determine...
- Immunoglobulin DA class of antibody primarily found on the surface of naive B lymphocytes, where it functions as a B-cell...
- Immunoglobulin EA class of antibody that is primarily involved in allergic reactions and defense against parasitic...
- Immunoglobulin E-binding Fc receptorsCell surface proteins that specifically bind the Fc region of immunoglobulin E (IgE) antibodies. These...
- Immunoglobulin E-mediated hypersensitivityAn allergic reaction, also known as a type I hypersensitivity reaction, that is triggered by the binding of...
- Immunoglobulin GThe most abundant class of antibody found in blood and tissue fluids, constituting about 75% of serum...
- Immunoglobulin gene superfamilyA large group of proteins characterized by the presence of one or more immunoglobulin domains, which are...
- Immunoglobulin MA class of antibody that is the first to be produced during a primary immune response and is typically found...
- Immunoglobulin or T-cell receptor lymphocyte repertoireThe complete collection of all unique immunoglobulin (B-cell receptor) and T-cell receptor molecules...
- Immunoglobulin YA class of antibody found in birds, reptiles, and amphibians, functionally equivalent to mammalian...
- ImmunohistochemistryA laboratory technique that uses specific antibodies to detect and localize antigens in tissue sections. The...
- Immunological ignoranceA state where potentially autoreactive lymphocytes exist in the body but do not cause autoimmune disease...
- Immunological incompetenceA state where the immune system is unable to mount an effective or appropriate response to antigens, leading...
- Immunological memoryThe ability of the adaptive immune system to remember previous encounters with specific antigens, leading to...
- Immunological synapseThe specialized interface formed at the point of contact between a lymphocyte, such as a T cell, and an...
- Immunological toleranceA state of unresponsiveness of the immune system to substances or tissues that have the capacity to elicit an...
- Immunologically privileged siteA location in the body where foreign antigens can be introduced without eliciting a normal inflammatory...
- ImmunologyThe scientific study of the immune system, encompassing its structure, function, disorders, and the...
- Immunomagnetic separationA technique used to isolate specific cells, proteins, or other biological entities from a heterogeneous...
- ImmunomodulationThe alteration of the immune system's function following exposure to a chemical or biological agent, known as...
- ImmunopathologyThe study of disease states and tissue damage resulting from a dysfunctional immune response. It encompasses...
- ImmunopathyAny disease or disorder that involves a malfunction or abnormality of the immune system. This broad term...
- ImmunopharmacologyThe scientific discipline that investigates the effects of drugs and other chemical agents on the immune...
- ImmunophenotypingA laboratory technique used to identify and characterize cells based on the expression of specific proteins...
- ImmunophilinA family of intracellular proteins that bind to and mediate the effects of immunosuppressive drugs like...
- ImmunopotentiationThe enhancement of the immune system's response to an antigen, caused by an external agent. This process...
- ImmunoprecipitateThe complex formed when an antibody binds to its specific antigen, leading to the formation of an insoluble...
- ImmunoprecipitationA technique used to isolate and concentrate a specific protein or protein complex from a solution using an...
- Immunoradiometric assayA type of immunoassay that uses radiolabeled antibodies to quantify an antigen in a sample. In this method...
- ImmunoreactivityThe ability of an antigen to bind specifically to an antibody, or the ability of an antibody to bind...
- Immunoreceptor tyrosine-based activation motifA conserved amino acid sequence found within the cytoplasmic domains of many activating immunoreceptors, such...
- Immunoreceptor tyrosine-based inhibitory motifA conserved amino acid sequence found in the cytoplasmic tails of certain inhibitory immune receptors, such...
- ImmunosensitivityThe degree to which an individual's immune system reacts to a specific antigen or stimulus, reflecting its...
- ImmunosensitizerA substance or agent that increases the sensitivity of the immune system to an antigen, thereby enhancing the...
- ImmunosensorA type of biosensor that detects the presence or concentration of an analyte by employing an immunological...
- ImmunosorbentsMaterials that selectively bind specific antibodies or antigens through immunological interactions. These...
- ImmunostimulationThe process of enhancing or activating the immune system's components, leading to a stronger or more...
- ImmunosuppressantA substance or agent that inhibits or reduces the activity of the immune system. These compounds are used...
- ImmunosuppressionA reduction in the capacity of the immune system to mount a normal response to antigens or pathogens. This...
- ImmunosuppressiveDescribing a substance or process that diminishes the functional capacity or responsiveness of the immune...
- ImmunosurveillanceThe continuous monitoring performed by the immune system to detect and destroy nascent transformed cells or...
- ImmunotherapyA type of medical treatment that harnesses or manipulates the body's own immune system to fight diseases...
- ImmunotoxicDescribing a substance that has an adverse effect on the structure or function of the immune system. The...
- ImmunotoxicantA chemical substance that adversely affects the immune system, leading to altered immune function. Exposure...
- ImmunotoxicityThe adverse effects of a substance on the immune system, resulting in altered immune function. These effects...
- ImmunotoxicologyThe scientific discipline that investigates the adverse effects of chemical, biological, or physical agents...
- ImmunotoxinA hybrid molecule composed of an antibody or antibody fragment linked to a toxin, designed to specifically...
- Impact energyThe kinetic energy of an incident particle or projectile that strikes a surface. This energy is transferred...
- Impact ionizationA process in which a highly energetic charge carrier, such as an electron or hole, collides with an atom or...
- Impact parameterThe perpendicular distance between the trajectory of an incoming particle and the center of a target...
- ImpactionThe process by which airborne particles, due to their inertia, deviate from the flow of a gas stream and...
- Impact-modified polymerA polymer material whose resistance to fracture under sudden, high-velocity impact has been enhanced by the...
- ImpedanceA measure of the opposition to the flow of alternating current (AC) in an electrical circuit, encompassing...
- ImpedimetryAn electrochemical analytical technique that measures the electrical impedance of an electrochemical system...
- Imperforate anusA congenital malformation where the opening of the anus is absent or obstructed, preventing the normal...
- ImpermeableDescribing a macromolecule in solution whose domain is impenetrable to the flow of the solvent. The polymer...
- ImpingementThe process where gas or liquid containing suspended particles is directed at high velocity against a...
- ImpingerA device used for collecting airborne particulate matter or gaseous contaminants by drawing the air sample...
- ImplantA medical device fabricated from a biomaterial, designed to be placed within a living body to restore...
- ImplantationThe process in early embryonic development where the blastocyst adheres to and embeds within the wall of the...
- Implanted areic doseThe total number of atoms of a specific element implanted into a solid material per unit of surface area...
- ImposexA condition in which female gastropods develop male reproductive organs, such as a penis and a vas deferens...
- ImprecisionThe degree of scatter or variability among replicate measurements obtained under the same conditions. It...
- ImpregnationA process where a porous solid material is permeated by a liquid or a substance in solution, which then...
- Imprint lithographyA nanofabrication technique that creates patterns by mechanically deforming a resist layer with a mold. The...
- ImprintingAn epigenetic process that causes genes to be expressed in a parent-of-origin-specific manner. Through...
- Improper rotation axisA symmetry operation that combines a rotation about an axis with a reflection through a plane perpendicular...
- Improved canonical variational transition-state theoryAn advanced theoretical framework used to calculate reaction rates, which refines the canonical variational...
- In silicoRelating to experiments or research conducted using computer modeling or simulation, as opposed to in a...
- In situ composite formationA method for preparing a composite material by forming at least one of its constituent phases in the presence...
- In situ microanalysisThe chemical analysis of a material performed directly on a microscopic region of a sample without prior...
- In situ micro-X-ray diffractionA technique that performs X-ray diffraction measurements on microscopic regions of a sample while it is...
- In vitroDescribing biological experiments or processes conducted outside of a living organism, typically in a...
- In vitro estrogen activity assayA laboratory test performed outside of a living organism to detect and quantify substances that mimic or...
- In vitro fertilizationA medical procedure in which an egg is fertilized by sperm outside the body, in a laboratory setting. The...
- In vivoDescribing biological experiments or processes conducted within a living organism. This approach allows for...
- InaccuracyThe numerical difference between the mean of a set of replicate measurements and the true or accepted...
- Inactivated vaccineA vaccine preparation containing microorganisms, such as viruses or bacteria, that have been killed by...
- Inactivation factorA quantitative measure of the reduction in the number of viable microorganisms or the activity of a substance...
- InactiveDescribing a substance or compound that does not produce a measurable biological or chemical effect under...
- Inactive chainA polymer chain that has ceased to propagate during a polymerization reaction and can no longer add monomer...
- Inbred strainAn animal population resulting from at least 20 consecutive generations of brother-sister matings or a...
- InchA unit of length in the imperial and United States customary systems of measurement. Since 1959, the...
- InChIKeyA condensed, fixed-length, 27-character alphanumeric identifier derived from the International Chemical...
- IncidenceThe rate at which new cases of a disease or health condition occur in a defined population over a specified...
- Incidence rateA measure of the frequency of new cases of a disease or health outcome in a population over a specified...
- Incident powerThe radiant power of electromagnetic radiation that falls upon a surface or enters a detector in a...
- IncineratorA furnace or apparatus designed for the controlled combustion of waste materials at high temperatures...
- Incipient LC₅₀The concentration of a toxic substance in the surrounding medium that is lethal to 50% of a test population...
- Inclusion bodyAn abnormal, insoluble aggregate of protein or viral particles that forms within the nucleus or cytoplasm of...
- Inclusion compoundA host-guest complex where one component (the guest molecule) is trapped within the molecular framework or...
- Incoherent radiationElectromagnetic radiation where the phase relationship between different points in the wave or between...
- Incredible natural-abundance double-quantum transfer experimentA nuclear magnetic resonance (NMR) spectroscopy technique that correlates the chemical shifts of directly...
- IncrementA quantity of material collected by a single operation of a sampling device from a larger lot or batch...
- Incremental unit risk estimateA quantitative measure of the additional risk of an adverse health effect, such as cancer, per unit increase...
- Independent joint actionA type of combined effect where two or more substances act on different biological targets or through...
- Index of biological integrityA multimetric index used to assess the ecological health of aquatic ecosystems, particularly streams and...
- Indicated hydrogenA hydrogen atom explicitly shown in the name of a heterocyclic compound to specify the position of saturation...
- IndicationA specific condition, disease, or symptom for which a particular medical treatment, drug, or procedure is...
- Indicator consumption errorThe error in a titrimetric analysis caused by the volume of titrant required to react with the indicator...
- Indicator electrodeAn electrode in an electrochemical cell whose potential is sensitive to the concentration of a specific ion...
- Indicator speciesA species whose presence, absence, or abundance reflects the health or specific environmental conditions of...
- Indifferent absorbing ionAn ion that is adsorbed onto a surface but does not specifically interact with the surface beyond...
- Indifferent electrolyteA substance added to an electrochemical cell solution that does not participate in the electrode reactions...
- IndigenousDescribing a species, population, or community that naturally originates and occurs in a particular...
- Indirect agglutinationAn immunological assay where soluble antigens or antibodies are attached to an inert carrier particle, such...
- Indirect amplificationA type of amplification reaction where the constituent to be determined is not directly involved in the...
- Indirect bandgap semiconductorA semiconductor material in which the minimum energy of the conduction band and the maximum energy of the...
- Indirect ecological effectAn ecological effect that occurs in a community or ecosystem not as a direct result of a stressor, but rather...
- Indirect exposureExposure to a substance that occurs through an intermediate pathway rather than direct contact with the...
- Indirect immunofluorescenceA laboratory technique used to detect the presence of specific antibodies or antigens in a sample by...
- Indirect photolysisThe degradation of a chemical substance by light absorption, where the light is absorbed by another chemical...
- Indirect reactionA chemical reaction that proceeds through one or more intermediate steps or species, rather than occurring in...
- Indirect toxicityThe adverse effects on an organism that are not caused by direct exposure to a toxic substance but rather by...
- Indirectly-ionizing radiationRadiation that does not directly cause ionization in matter but instead transfers its energy to charged...
- IndividualA single, discrete organism, distinct from others of the same species, that functions as a unit of life. In...
- Individual effective doseThe specific amount of a substance that produces a defined effect in a single organism. This dose is...
- Individual gauge for localized orbitalsA computational method for calculating nuclear magnetic shielding tensors where each localized molecular...
- Individual perception thresholdThe minimum concentration of a specific chemical substance in the environment that an individual can detect...
- Individual protective deviceAny equipment or clothing designed to be worn or held by a person to protect against hazards in the workplace...
- Individual riskThe probability that a specific person will experience an adverse health effect due to exposure to a...
- indolamine-2,3-dioxygenaseA heme-containing enzyme that catalyzes the first and rate-limiting step in the catabolism of the amino acid...
- Induced abortionThe deliberate termination of a pregnancy before the fetus has attained viability, resulting in its death...
- Induced pluripotent stem cellA type of pluripotent stem cell that is artificially generated from a non-pluripotent, adult somatic cell...
- Induced radioactivityThe radioactivity produced in a substance after it has been exposed to radiation, such as neutrons or...
- Induced reactionA chemical reaction that occurs only in the presence of another, simultaneously proceeding reaction. The...
- InducerA molecule that initiates or increases the expression of a gene or the activity of an enzyme. In molecular...
- Inducible co-stimulatory proteinA transmembrane protein of the CD28/CTLA-4 family that is expressed on the surface of activated T...
- InductionThe process by which the synthesis of an enzyme or other protein is initiated or increased in response to a...
- Induction periodA time interval at the beginning of a chemical reaction during which the reaction rate is very slow or...
- Inductive effectThe transmission of charge through a chain of atoms in a molecule by successive polarization of the sigma...
- Inductively-coupled plasmaA source of atoms, excited species, and ions produced by coupling energy from an oscillating radio-frequency...
- Inductively-coupled plasma mass spectrometryAn analytical technique that uses an inductively-coupled plasma to ionize a sample, followed by mass...
- Inductively-coupled plasma optical emission spectroscopyAn analytical technique that employs an inductively-coupled plasma to excite atoms and ions in a sample...
- Inductively-coupled plasma robustnessA measure of the insensitivity of an inductively coupled plasma (ICP) to changes in the sample matrix...
- Inductively-coupled plasma spectrometryAn analytical technique that uses an inductively-coupled plasma (ICP) as a high-temperature excitation source...
- Inductively-coupled plasma thermal pinchThe constriction of the plasma discharge in an inductively-coupled plasma (ICP) due to the magnetic field...
- Inductively-coupled plasma torchThe component in an inductively-coupled plasma (ICP) system where the plasma is generated and sustained. It...
- Inductomeric effectA temporary inductive effect that arises from the polarization of sigma bonds in a molecule due to the...
- Industrial ecologyThe study of industrial systems and their linkages with ecological systems, viewing industrial processes as...
- Industrial melanismThe evolutionary phenomenon where dark-colored individuals of a species become more prevalent in industrial...
- Inelastic electron scattering backgroundThe continuous background signal observed in electron spectroscopy, such as Auger electron spectroscopy or...
- Inelastic electron scattering background subtractionA data processing technique applied in electron spectroscopy to remove the contribution of inelastically...
- Inelastic electron tunnelling spectroscopyA spectroscopic technique that probes the vibrational modes of molecules adsorbed on a metal surface by...
- Inelastic scatteringA scattering process in which the kinetic energy of the colliding particles is not conserved, meaning there...
- Inelastic scattering cross sectionA measure of the probability that an incident particle, such as an electron or photon, will undergo an...
- InertDescribing a substance that exhibits a low degree of chemical reactivity under specified conditions. An inert...
- Inert chemicalA substance added to a pesticide formulation or other product that is not intended to have a direct...
- Inert gasA gaseous substance that exhibits extremely low chemical reactivity under normal conditions. These gases have...
- Inert ingredientA component of a formulation, such as a pesticide or pharmaceutical, that does not possess the primary...
- InertiaThe property of matter by which it continues in its existing state of rest or uniform motion in a straight...
- Inertial defectA small, positive quantity that arises in the rotational spectroscopy of non-linear molecules, representing...
- Inertial separatorA device that removes particulate matter from a gas stream by exploiting the inertia of the particles. The...
- InfaunaBenthic animals that live within the substrate of an aquatic environment, such as in sand or mud. These...
- Infectious toleranceA mechanism of immune tolerance where regulatory T cells, once activated, can induce tolerance in other T...
- Inferior cerebellar peduncleA thick bundle of nerve fibers that connects the medulla oblongata and spinal cord with the cerebellum. It...
- InfertilityThe inability of a couple to achieve pregnancy after a specified period of regular, unprotected sexual...
- Infinite dilutionA hypothetical state where a solute is dissolved in a solvent at such a low concentration that each solute...
- Infinite miscibilityThe property of two or more substances to mix in all proportions to form a single homogeneous phase. This...
- Infinite source thicknessA condition in nuclear analytical chemistry where the thickness of a radioactive sample is sufficient to...
- InflammasomeA large, intracellular multiprotein complex that detects pathogenic microorganisms and sterile stressors...
- InflammationThe localized response of living tissue to injury, infection, or irritation, characterized by redness, heat...
- Inflammatory bowel diseaseA group of chronic inflammatory conditions affecting the gastrointestinal tract, primarily Crohn disease and...
- Influence nominal propertyA factor that affects the result of an examination of a nominal property without being the property itself...
- Information depthThe effective thickness of the surface region from which analytical information is obtained in a surface...
- Information radiusThe lateral extent of the area from which analytical information is collected in a surface analysis...
- Information theoryA mathematical framework for quantifying, storing, and communicating information, often applied to chemical...
- InfraredElectromagnetic radiation with wavelengths longer than those of visible light but shorter than those of...
- Infrared multiphoton dissociationA process where a molecule absorbs multiple infrared photons, leading to its dissociation. This occurs when a...
- Infrared radiationElectromagnetic radiation with wavelengths longer than visible light but shorter than microwaves, ranging...
- Infrared spectroscopyA spectroscopic technique that uses the interaction of infrared radiation with matter to identify and...
- InfusionThe process of introducing a liquid substance, such as a drug solution or nutrient fluid, into the body...
- IngestionThe act of taking a substance into the body through the mouth, where it then passes into the gastrointestinal...
- Inguinal canalA short, oblique passage through the lower anterior abdominal wall, present in both males and females. In...
- InhalationThe process of taking a substance into the body through the respiratory system by breathing. This route of...
- Inhalation therapyA method of administering therapeutic agents, such as drugs or gases, directly into the respiratory system...
- Inherent viscosityA measure of a polymer's ability to increase the viscosity of a solvent, calculated as the natural logarithm...
- Inherently biodegradableDescribing a substance that possesses the structural characteristics enabling it to be completely degraded by...
- InhibinA glycoprotein hormone produced by the gonads, specifically by Sertoli cells in males and granulosa cells in...
- InhibitionThe process where a substance reduces the rate of a chemical reaction or prevents it from occurring. This can...
- Inhibition constantA measure of the potency of an inhibitor, representing the concentration required to produce half-maximum...
- InhibitorA substance that reduces the rate of a chemical reaction or prevents it from occurring. Inhibitors can act by...
- Inhibitory concentrationA measure of the effectiveness of a substance in inhibiting a specific biological or biochemical function...
- Inhibitory concentration at 50%The concentration of an inhibitor that causes 50% inhibition of a specific biological or biochemical process...
- Inhibitory doseThe amount of a substance administered to an organism that causes a specified degree of inhibition of a...
- Inhibitory post-synaptic potentialA temporary hyperpolarization of the post-synaptic membrane caused by the flow of negatively charged ions...
- Inhomogeneity errorA systematic error in spectrochemical analysis arising from a non-uniform distribution of the analyte within...
- Inhomogeneous broadeningThe broadening of spectral lines or bands due to a distribution of different local environments or states for...
- In-house reference materialA material produced and characterized by a laboratory for its own internal use in quality control and method...
- IniencephalyA rare and severe congenital malformation of the central nervous system involving extreme retroflexion, or...
- IniferA compound that acts simultaneously as an initiator, transfer agent, and terminator in a polymerization...
- IniferterA chemical compound that acts as an initiator, transfer agent, and terminator in a radical polymerization...
- Iniferter processA type of reversible-deactivation radical polymerization that uses an iniferter compound to control polymer...
- IniopagusA rare form of conjoined twin in which the individuals are fused at the back of their heads, specifically at...
- InisurfA surface-active initiator, which is a chemical species that possesses both initiating and stabilizing...
- Initial energy stateThe energy level of an atom, molecule, or ion before it undergoes a transition to another energy state...
- Initial plasma radiation zoneThe region immediately above the load coil in an inductively-coupled plasma (ICP) where the sample aerosol is...
- Initial rate methodA kinetic analysis technique that determines the reaction rate immediately after mixing reactants, before...
- Initial state correlationsThe non-random distribution of reactants in a chemical system at the beginning of a reaction, influencing the...
- InitialisationThe process in chain polymerization where an active center is formed from an initiator or catalyst, which...
- InitializationThe first step in a chain polymerization where an active center is formed from an initiator and then adds to...
- Initialization efficiencyThe fraction of the initiator or catalyst that successfully generates active species capable of initiating...
- InitializerA chemical species that generates the active centers responsible for initiating polymer chain growth in a...
- Initial-state Auger parameterA modified Auger parameter that accounts for the relaxation energy associated with the creation of a core...
- Initiating eventThe specific action or occurrence that begins a sequence of events leading to a particular outcome...
- Initiating speciesThe active chemical entity, such as a radical, ion, or coordination complex, that reacts with the first...
- InitiationA chemical reaction or a series of reactions that generates a reactive intermediate, such as a radical...
- InitiatorA substance that can produce reactive species, such as free radicals, to start a chain reaction. Unlike a...
- Initiator efficiencyThe fraction of the added initiator that successfully produces active species capable of initiating polymer...
- InjectionA sterile, liquid preparation intended for parenteral administration, meaning it is introduced into the body...
- Injection temperatureThe temperature at which a sample is introduced into a chromatographic system, typically into the injector...
- In-laboratory processingThe sequence of operations performed on a laboratory sample from the moment it arrives at the laboratory...
- In-line extractionAn extraction procedure performed within a continuous flow of a fluid stream, without diverting the stream or...
- Innate immunityThe non-specific, first-line defense mechanism of the immune system that provides immediate protection...
- In-needle capillary adsorption trapA device for sample preparation where a sorbent material is packed inside a capillary needle. This trap is...
- Inner electric potentialThe electric potential within a phase, representing the work done to bring a unit positive charge from...
- Inner filter effectThe attenuation of incident or emitted light in a spectroscopic experiment due to absorption by the sample...
- Inner Helmholtz planeThe plane passing through the centers of specifically adsorbed ions or molecules at an electrified interface...
- Inner layerThe region of the electrical double layer at an electrode-electrolyte interface that includes specifically...
- Inner orbital X-ray emission spectraThe X-ray emission spectra produced when an electron from an outer shell fills a vacancy in an inner electron...
- Inner-sphere electron transferAn electron transfer process between two metal centers where the reactants share a common bridging ligand in...
- Inner-sphere electron transfer atom-transfer radical polymerizationA mechanism of atom-transfer radical polymerization (ATRP) where electron transfer occurs directly between...
- InoculationThe introduction of microorganisms, such as bacteria or yeast, into a culture medium to initiate their growth...
- Inorganic oxide adsorbentA solid material composed of an inorganic oxide, such as silica, alumina, or titania, that is used to...
- Inorganic polymerA polymer whose backbone consists primarily of inorganic elements, rather than carbon atoms. These materials...
- Inorganic-organic polymerA polymer composed of both inorganic and organic components, often with a skeletal structure that...
- InositolsCyclic polyols with six carbon atoms, each bearing a hydroxyl group. These compounds are cyclohexanehexols...
- In-out isomerismA type of stereoisomerism observed in certain polycyclic compounds, particularly those with bridged ring...
- Input rateThe speed at which a substance or material is introduced into a system or process. This parameter quantifies...
- In-scatteringThe process by which radiation is scattered into a specific direction or volume element from other...
- InsecticideA type of pesticide specifically formulated to kill, harm, repel, or mitigate one or more species of insect...
- InseminationThe process by which spermatozoa are introduced into the female reproductive tract, either naturally through...
- Insensitive nuclei enhanced by polarization transferA nuclear magnetic resonance (NMR) spectroscopy technique that transfers magnetization from a sensitive...
- InsertA segment of deoxyribonucleic acid (DNA) that has been introduced into a vector, such as a plasmid or viral...
- InsertionA chemical reaction in which one molecular entity is incorporated between two parts of another molecular...
- Insertion polymerizationA type of chain polymerization where monomer units are inserted between a growing polymer chain and a...
- InsomniaA sleep disorder characterized by difficulty falling asleep, staying asleep, or experiencing non-restorative...
- In-source collision-induced dissociationA fragmentation technique in mass spectrometry where ions undergo collisions with neutral gas molecules...
- InspectionThe systematic examination of a product, process, or service to determine its conformity with specified...
- InstabilityA condition characterized by a lack of equilibrium or resistance to change, leading to spontaneous alteration...
- Instability of Hartree-Fock solutionA condition in quantum chemistry where a self-consistent field (SCF) solution obtained from the Hartree-Fock...
- Instantaneous currentThe electric current flowing through an electrochemical cell at a specific moment in time. This value can...
- Instantaneous rate of flowThe volume of fluid passing through a given cross-section per unit time at a specific moment. This measure...
- Instantaneous samplingThe collection of a sample at a single point in time, providing a snapshot of the concentration or...
- Instrument line shapeThe characteristic spectral profile produced by a spectroscopic instrument when measuring a monochromatic...
- Instrumental activation analysisA non-destructive analytical technique that determines the elemental composition of a sample by irradiating...
- Instrumental dependabilityThe ability of an analytical instrument to perform its intended function without failure for a specified...
- Instrumental depth resolutionThe minimum difference in depth that an analytical instrument can distinguish between two features within a...
- Instrumental indicationThe observable output or response produced by an analytical instrument, which serves as a measure of the...
- In-syringe microextractionA miniaturized sample preparation technique performed directly within a syringe barrel. A small volume of...
- IntakeThe amount of a substance that is taken into the body over a specific period, regardless of whether it is...
- Integral capacitanceThe ratio of the charge density on an electrode to the potential difference between the electrode and a...
- Integral detectorA type of detector in chromatography that measures the cumulative amount of analyte passing through it over...
- Integral indicator of toxic effectA measure that reflects the overall biological response of an organism to a toxic substance, encompassing...
- Integrated intensityThe total area under a spectral band or peak, representing the sum of the intensities at all wavelengths or...
- Integrated risk information systemA database maintained by regulatory bodies that provides scientific information on human health effects from...
- Integrating sphereA hollow spherical cavity with a highly reflective, diffusely scattering inner surface, used to collect and...
- Integration rangeThe specific interval of a measured variable, such as wavelength or frequency, over which a signal is...
- IntegrinA family of transmembrane receptor proteins that mediate cell-extracellular matrix and cell-cell adhesion...
- Intelligence quotientA score derived from standardized tests designed to assess an individual's cognitive abilities and...
- Intended crossingA point on a potential energy surface where two electronic states would intersect if their interaction were...
- Intensified charge coupled device detectorA type of detector that combines a charge-coupled device (CCD) with an image intensifier, such as a...
- Intensive quantityA physical property of a system that does not depend on the system's size or the amount of material it...
- Interaction distanceThe separation between two particles or entities at which a measurable interaction, such as a collision or a...
- Interaction effectThe phenomenon where the effect of one factor on a response variable depends on the level of another factor...
- InteractomeThe complete set of molecular interactions within a cell or organism, including protein-protein, protein-DNA...
- InteractomicsThe systematic study of all molecular interactions within a cell, tissue, or organism, aiming to map and...
- Interatomic Auger processAn Auger process where the initial core hole is filled by an electron from an adjacent atom, and the Auger...
- IntercalationThe reversible insertion of guest molecules or ions into the layered structure of a host material, without...
- Intercalation compoundsMaterials formed by the reversible insertion of guest molecules or ions into the layered structure of a host...
- Intercalation reactionA reversible chemical reaction involving the insertion of a guest species, such as an atom, ion, or molecule...
- Intercellular adhesion moleculeA type of cell surface glycoprotein belonging to the immunoglobulin superfamily, involved in cell-to-cell...
- Interchange reactionA chemical reaction involving the exchange of structural units between two polymer chains or between a...
- Interclonal competitionThe struggle among different clones of lymphocytes for resources, such as antigens or growth factors, or for...
- Interconal regionThe space between the inner and outer cones of a flame in atomic spectroscopy, particularly in atomic...
- Interconvertible enzymeAn enzyme whose catalytic activity is regulated by the reversible covalent modification of its structure...
- InterfaceThe boundary region between two bulk phases that are in contact, where physical and chemical properties...
- Interface core-level shiftA change in the binding energy of core-level electrons for atoms located at an interface between two...
- Interfacial adhesionThe sum of all intermolecular and chemical forces acting at the boundary, or interface, between two distinct...
- Interfacial concentrationThe concentration of a chemical species within the interfacial region between two phases, which can differ...
- Interfacial double-layerAn array of charged particles and oriented dipoles that exists at the interface between two phases, such as a...
- Interfacial layerA thin region at the boundary between two bulk phases, possessing properties that differ from those of the...
- Interfacial layer widthThe characteristic thickness of the region separating two bulk phases, where the properties of the material...
- Interfacial polycondensationA polymerization technique where two reactive monomers, each dissolved in immiscible solvents, react at the...
- InterferenceThe effect caused by a component in a sample matrix that alters the analytical signal of the analyte, leading...
- Interference competitionA form of competition between organisms where individuals directly interact to prevent others from accessing...
- Interference curveA graphical representation showing the relationship between the concentration of an interfering substance and...
- Interference fringesA pattern of alternating light and dark bands produced when two or more coherent waves of electromagnetic...
- Interference lithographyA patterning technique that uses the interference patterns of two or more coherent light beams to create...
- Interference recordThe raw signal obtained from an interferometer, typically a plot of intensity versus optical path difference...
- InterferentA substance present in a sample that causes an interference effect, thereby altering the analytical signal of...
- Interfering linesSpectral lines originating from species other than the analyte that overlap with or lie very close to the...
- Interfering substanceA chemical species present in a sample that affects the response of an analytical method to the analyte...
- InterferogramA plot of the intensity of radiation detected by an interferometer as a function of the optical path...
- InterferonsA family of signaling proteins, specifically cytokines, that are produced and secreted by host cells...
- Interlaboratory comparisonAn organized program where multiple laboratories analyze identical samples and compare their results to...
- InterleukinA group of cytokines, which are signaling proteins, produced predominantly by leukocytes that mediate...
- IntermediateA chemical species formed during a reaction that is not a reactant or a final product, but is consumed in a...
- Intermediate examination precisionA measure of the variability of results obtained from replicate measurements of the same sample under...
- Intermediate filamentA class of cytoskeletal protein polymers found in the cytoplasm of most animal cells. These filaments have a...
- Intermediate measurement precisionThe precision of measurements obtained under a set of intermediate conditions, where some factors are varied...
- Intermediate neutronsNeutrons possessing kinetic energies between those of slow neutrons and fast neutrons. These particles are...
- Intermediate precision conditionThe set of circumstances under which an analytical measurement is performed, allowing for variations in...
- Intermittent effectA toxicological effect that occurs sporadically or with periods of remission, rather than continuously...
- IntermolecularRelating to interactions or phenomena occurring between separate molecules. These forces, such as van der...
- Intermolecular chain transferA process in chain polymerization where the active center of a growing polymer chain abstracts an atom or...
- Intermolecular interactionsThe set of attractive or repulsive forces that occur between neighboring molecules, ions, or other chemical...
- Internal absorbanceThe absorbance of a homogeneous sample, excluding any losses due to reflection, scattering, or luminescence...
- Internal absorptanceThe fraction of the radiation incident on an absorbing sample that is absorbed within the sample itself...
- Internal conversionA radiationless transition between electronic states of the same spin multiplicity within a molecule. This...
- Internal energyThe total energy contained within a thermodynamic system, excluding the kinetic and potential energy of the...
- Internal filling solutionAn electrolyte solution contained within an ion-selective electrode or a reference electrode, which...
- Internal fragmentA product ion formed in mass spectrometry by the cleavage of two bonds within a molecule, resulting in a...
- Internal imageA concept in immunology referring to an antibody or T-cell receptor that mimics the three-dimensional...
- Internal quality controlA set of procedures performed by the staff of a laboratory to continuously monitor the quality of analytical...
- Internal quantum yieldThe ratio of the number of photons emitted from the active layer of an emissive device to the number of...
- Internal reference electrodeAn electrode with a stable and reproducible potential, placed inside the ion-selective membrane of an...
- Internal reflectionThe phenomenon where electromagnetic radiation traveling within a medium strikes an interface with a second...
- Internal reflection elementA transparent optical component, such as a prism or crystal, through which electromagnetic radiation passes...
- Internal standardA substance added to all samples, blanks, and calibration standards in a known, constant amount for...
- Internal surfaceThe total surface area of pores, cracks, and other internal structures within a porous material that is...
- Internal valence force fieldA model used in molecular mechanics and vibrational spectroscopy to describe the potential energy of a...
- Internal validityThe extent to which a study accurately measures the causal relationship between an independent variable and a...
- International Chemical IdentifierA non-proprietary, machine-readable string of characters that provides a unique and unambiguous...
- International examination standardA document established by consensus and approved by a recognized body, providing rules, guidelines, or...
- International unitA unit of measurement for the amount of a substance, such as a vitamin, hormone, enzyme, or drug, based on...
- Interparticle electron transferThe movement of electrons between distinct particles, such as semiconductor nanocrystals or colloidal...
- Interparticle porosityThe fraction of the total volume of a packed bed or column that is occupied by the voids between the...
- Interparticle volume of the columnThe volume within a chromatographic column that is external to the stationary phase particles, representing...
- Interpenetrating polymer networkA blend of two or more polymers, at least one of which is synthesized or crosslinked in the presence of the...
- Interphase transitionA change in the physical state or structure of a material that occurs at the boundary between two distinct...
- InterpolationA mathematical method for estimating a value within a range of known data points. This technique involves...
- Intersection spaceThe region in the nuclear coordinate space where two or more potential energy surfaces of different...
- IntersexualityA condition in which an individual possesses biological characteristics of both sexes, or characteristics...
- Interspecies competitionAn interaction between organisms of two or more different species in which both are negatively affected by...
- Interspecies dose conversionThe process of adjusting a dose of a substance from one species to another to account for differences in...
- Interspecific competitionA biological interaction where organisms of different species vie for the same limited resources within an...
- Interstitial fluidThe fluid that surrounds the cells of tissues, providing a medium for nutrient and waste exchange between...
- Interstitial fractionThe proportion of the total volume of a packed bed or column that is not occupied by the solid stationary...
- Interstitial pneumoniaAn inflammatory condition affecting the interstitium of the lung, which is the tissue and space around the...
- Interstitial velocityThe average linear velocity of the mobile phase within the interstitial spaces of a packed chromatographic...
- Interstitial volumeThe volume of the mobile phase located between the particles of the stationary phase packing in a...
- Intersystem crossingA non-radiative transition between two electronic states of different spin multiplicity, such as from a...
- Interval 1 in emulsion polymerisationThe initial stage of emulsion polymerization where polymer particles are nucleated and grow, while free...
- Interval 2 in emulsion polymerisationThe stage in emulsion polymerization where the number of polymer particles remains constant, and the...
- Interval 3 in emulsion polymerisationThe final stage of emulsion polymerization, which begins after the monomer droplets have been depleted...
- Interval analysisA numerical method that computes with intervals of real numbers rather than with single numerical values...
- Intervalence charge transferAn electronic transition within a mixed-valence compound where an electron is optically excited from a...
- Intervals in emulsion polymerisationsThe distinct stages observed during an emulsion polymerization process, characterized by changes in the...
- Intervention studyA type of research study where the investigator actively manipulates one or more variables (interventions) in...
- Intervertebral discA fibrocartilaginous cushion located between adjacent vertebrae in the spinal column, acting as a shock...
- Interzonal regionThe region in a flame, located between the primary reaction zone and the secondary combustion zone, that is...
- IntoleranceA physiological response to a substance that does not involve the immune system, distinguishing it from an...
- IntoxicationThe state of being poisoned, characterized by physiological or psychological disturbances caused by the...
- Intra-A prefix indicating that a phenomenon, reaction, or interaction occurs within a single molecule or entity...
- Intracranial pressureThe pressure exerted by the brain tissue, cerebrospinal fluid, and blood within the rigid confines of the...
- Intracytoplasmic sperm injectionA specialized in vitro fertilization (IVF) procedure where a single sperm is directly injected into the...
- Intradermal testA diagnostic procedure involving the injection of a small amount of an allergen or antigen into the dermis of...
- Intra-epithelial lymphocyteA specialized T lymphocyte located within the epithelial layer of mucosal tissues, particularly in the...
- Intralaboratory comparisonA systematic process of evaluating the performance of different methods, instruments, or analysts within a...
- Intramembrous ossificationA direct process of bone formation where mesenchymal stem cells differentiate directly into osteoblasts...
- IntramolecularDescribing a process or feature that occurs within the boundaries of a single molecular entity...
- Intramolecular catalysisThe acceleration of a chemical reaction due to the presence of a catalytic group within the same molecule as...
- Intramolecular charge transferThe redistribution of electron density within a single molecule, typically from an electron-donating group to...
- Intramolecular charge transfer emissionThe emission of light from a molecule following an intramolecular charge transfer process. After excitation...
- Intramolecular interactionsThe attractive or repulsive forces that exist between atoms or groups of atoms within the same molecule...
- Intramolecular isotope effectA kinetic isotope effect observed when an isotopic label influences the rate of a reaction, and the reaction...
- Intraparticle volume of the columnThe total volume occupied by the stationary phase particles within a chromatographic column, including both...
- Intraphase transitionA phase transition that occurs entirely within a single phase, where the material undergoes a change in its...
- Intraspecific competitionA biological interaction where individuals of the same species compete for the same limited resources within...
- IntrathecalRelating to or introduced into the subarachnoid space, which surrounds the brain and spinal cord and contains...
- IntrauterineRelating to the location or occurrence of something within the uterus, the hollow, muscular organ of the...
- Intrauterine growth restrictionA condition where a fetus does not achieve its genetically determined growth potential, resulting in a birth...
- Intrinsic activation energyThe activation energy of a chemical reaction in the absence of any external influences, such as solvent...
- Intrinsic activityThe maximal effect a drug can produce once it has bound to its receptor, relative to the maximal effect of a...
- Intrinsic barrierThe energy barrier for a chemical reaction that is independent of the thermodynamic driving force. It...
- Intrinsic clearanceThe inherent ability of an organ, typically the liver, to remove a drug from the blood in the absence of any...
- Intrinsic defectsImperfections in the crystal lattice of a material that arise from thermodynamic equilibrium, such as...
- Intrinsic detector efficiencyThe probability that a radiation detector will produce a detectable signal for each radiation quantum...
- Intrinsic emissionThe light or radiation emitted directly by a substance itself, as opposed to emission that is induced or...
760 of 13,678 terms in Chemistry terminology (MLC-0109). Request the full dataset.