Programmed cell death protein 1, also known as PD-1 and CD279, is a cell surface receptor that plays an important role in downregulating the immune system and promoting self-tolerance by inhibiting T cell inflammatory activity. In humans, it is encoded by the PDCD1 gene. PD-1 is a member of the ...
The introduction of fluorine atoms into bioactive organic compounds has become one of the important strategies for drug design and lead compound optimization. In drug synthesis strategies, fluoride is often used to change biological related properties, such as metabolic stability, alkalinity, ...
What is the band theory of semiconductors?
Valence band theory was proposed during the quantum revolution. Walter Heitler and Fritz London discovered the band.
Current research has identified a variety of protein hydrolases that can be used to dissociate cells, the most commonly used of which is trypsin, a member of the serine protease family. In the pancreas the precursor of trypsin is synthesised by trypsinogen and secreted as a component of the ...
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