Marker

{
  "id": "MLC-T-CHM-006960",
  "term": "Marker",
  "field": "Chemistry",
  "definition": "A substance, molecule, or gene whose presence or absence indicates a specific characteristic or process. In analytical chemistry, markers are used to identify, quantify, or track other substances or biological events. For example, a fluorescent dye can serve as a marker to visualize specific proteins in a cell.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "deoxyribonucleic acids",
    "chromatography",
    "gene",
    "phenotype"
  ],
  "references": [
    "PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 159 (https://doi.org/10.1351/pac199264010143)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/marker/"
}