What is a ELISA kit / Enzyme-Linked Immunosorbent Assay?

An ELISA (Enzyme-Linked Immunosorbent Assay) kit is a diagnostic tool used to measure the presence or concentration of a specific substance such as antibodies, antigens, hormones, or enzymes. It uses enzyme-linked antibodies that bind to the target molecule in a sample, triggering a chemical reaction that produces a detectable signal. ELISA kits are commonly used with liquid samples like blood, urine, and saliva to detect infections, allergies, hormone levels, and other biomarkers. They offer high sensitivity and specificity, making them widely used in clinical diagnostics and research.

Application of ELISA kit / Enzyme-Linked Immunosorbent Assay

✅ Infectious Disease Diagnosis
ELISA kits are used to diagnose infectious diseases like HIV, hepatitis viruses, and COVID-19.
✅ Allergy Testing
They are used to measure immune responses to allergens, helping diagnose allergic reactions.
✅ Hormone Measurement
Used to measure the concentration of hormones, such as for pregnancy tests or thyroid hormone levels.
✅ Food Safety Testing
ELISA kits are also used in the detection of allergens or pathogens in food products.

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