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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Radioisotopes are used in the following technique except –
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The correct answer is  ELISA (Enzyme linked Immunoabsorbent Assay) is an enzyme-based immunoassay and does not use radioactive isotopes. A test similar to ELISA which uses radioactive isotope in place of the enzyme is known as Radioimmunoassay (RIA). Nucleic acid sequencing, mass spectroscopy & RIA are tested using radioisotopes.