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Plate readers, also known as microplate readers or microplate photometers, are instruments which are used to detect biological, chemical or physical events of samples in microtiter plates. They are widely used in research, drug discovery , [ 1 ] bioassay validation, quality control and manufacturing processes in the pharmaceutical and ...
Instrument companies have designed plate readers which can detect specific biological, chemical or physical events in samples stored in these plates. A specialized plate reader has also been developed which can perform quality control of microplate well contents, capable of identifying empty wells, filled wells and precipitate.
[28] [29] ELISA can also be used in toxicology as a rapid presumptive screen for certain classes of drugs. Enzyme-linked immunosorbent assay plate. The ELISA was the first screening test widely used for HIV because of its high sensitivity. In an ELISA, a person's serum is diluted 400 times and applied to a plate to which HIV antigens are attached.
ELISA plate showing various cortisol levels Enzymes used in ELISAs include horseradish peroxidase (HRP), alkaline phosphatase (AP) or glucose oxidase . These enzymes allow for detection often because they produce an observable color change in the presence of certain reagents.
Thermo Fisher Scientific's previous headquarters in Waltham, Massachusetts Thermo Fisher Scientific office in Canada. Thermo Fisher Scientific Inc. is an American life, science and clinical research company. It is a global supplier of analytical instruments, clinical development solutions, specialty diagnostics, laboratory, pharmaceutical and ...
The enzyme-linked immunosorbent assay (ELISA), or enzyme immunoassay (EIA), was the first screening test commonly employed for HIV. It has a high sensitivity. In an ELISA test, a person's serum is diluted 400-fold and applied to a plate to which HIV antigens have been attached. If antibodies to HIV are present in the serum, they may bind to ...
Pre-holiday deals might get all the buzz, but New Year's markdowns deserve some love, too! Especially the ones we're seeing over at the Amazon Winter Sale; with all-time low prices galore and big ...
On May 27, 2016, Thermo Fisher Scientific Inc. announced [9] its acquisition of FEI Company for US$4.2 billion, which commenced in early 2017. [10] At the time of the transaction, FEI had more than 2700 employees in over 20 countries. [11] The FEI trademark was phased out in favor of the Materials & Structural Analysis division of Thermo Fisher ...
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