Bioassay | Wikipedia audio article
Channel: Subhajit Sahu
Date: 27/12/2018

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Bioassay


00:00:49 1 Principle
00:01:26 2 History
00:03:02 3 Classifications
00:03:11 3.1 Direct assay
00:03:31 3.2 Indirect assay based on quantitative response
00:03:53 3.3 Indirect assay based on quantal response
00:04:13 4 Examples
00:04:22 4.1 ELISA (Enzyme-linked immunosorbent assay)
00:04:52 4.2 Home pregnancy test
00:05:11 4.3 HIV test
00:05:28 5 See also



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SUMMARY
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A bioassay is an analytical method to determine concentration or potency of a substance by its effect on living cells or tissues. Bioassays were used to estimate the potency of agents by observing their effects on living animals (in vivo) or tissues (in vitro).A bioassay experiment can either be qualitative or quantitative, direct or indirect. If the measured response is binary, the assay is qualititative, if not, it is quantitative.Bioassay is used to detect biological hazards or give a quality assessment of a mixture. Bioassay is often used to monitor water quality and also sewage discharge and its impact on surrounding . It is also used to assess the environmental impact and safety of new technologies and facilities.