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Example organisms used for high-content screening include the fruit fly (Drosophila melanogaster), zebrafish (Danio rerio) and mice (Mus musculus). [13] In some instances the term phenotypic screening is used to include the serendipitous findings that occur in clinical trial settings particularly when new and unanticipated therapeutic effects ...
High-throughput screening (HTS) is a method for scientific discovery especially used in drug discovery and relevant to the fields of biology, materials science [1] and chemistry. [ 2 ] [ 3 ] Using robotics , data processing/control software, liquid handling devices, and sensitive detectors, high-throughput screening allows a researcher to ...
For example, in a knock-out screen, one or more genes are completely deleted and the deletion mutants are tested for phenotypes. Such screens have been done for all genes in many bacteria and even complex organisms, such as C. elegans. [1] A reverse genetic screen typically begins with a gene sequence followed by targeted inactivation. [9]
For example, if a test sample returns an OD of 1.0, the point on the standard curve that gave OD = 1.0 must be of the same analyte concentration as the sample. [ citation needed ] The use and meaning of the names "indirect ELISA" and "direct ELISA" differs in the literature and on web sites depending on the context of the experiment.
Student's t-test, Analysis of variance, Mann–Whitney U test Repeated measures design A research design that involves multiple measures of the same variable taken on the same or matched subjects either under different conditions or over two or more time periods.
Classical High throughput screening robotics are now being tied closer to cell biology, principally using technologies such as High-content screening.High throughput cell biology dictates methods that can take routine cell biology from low scale research to the speed and scale necessary to investigate complex systems, achieve high sample size, or efficiently screen through a collection.
It can also be used as a tool in drug development to test toxicity in whole organism. Procedures such as FETAX (Frog Embryo Teratogenesis Assay – Xenopus) are being developed to implement chemical screenings to test toxicity. [13] Zebrafish and Xenopus embryos have also been used to identify new drugs targeting a particular gene of interest. [14]
High-content screening technology allows for the evaluation of multiple biochemical and morphological parameters in intact biological systems. For cell-based approaches the utility of automated cell biology requires an examination of how automation and objective measurement can improve the experimentation and the understanding of disease.