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BCA protein assay in a 96 well plate. The bicinchoninic acid assay (BCA assay), also known as the Smith assay, after its inventor, Paul K. Smith at the Pierce Chemical Company, [1] now part of Thermo Fisher Scientific, is a biochemical assay for determining the total concentration of protein in a solution (0.5 μg/mL to 1.5 mg/mL), similar to Lowry protein assay, Bradford protein assay or ...
The Open Syllabus Project (OSP) is an online open-source platform that catalogs and analyzes millions of college syllabi. [3] Founded by researchers from the American Assembly at Columbia University, the OSP has amassed the most extensive collection of searchable syllabi.
Bicinchoninic acid (/ b aɪ s ɪ n k ɔː n ɪ n ɪ k /) or BCA is a weak acid composed of two carboxylated quinoline rings. It is an organic compound with the formula (C 9 H 5 NCO 2 H) 2. The molecule consists of a pair of quinoline rings, each bearing a carboxylic acid group. Its sodium salt forms a purple complex with cuprous ions. [1] [2] [3]
A syllabus (/ ˈ s ɪ l ə b ə s /; pl.: syllabuses [1] or syllabi [2]) [3] or specification is a document that communicates information about an academic course or class and defines expectations and responsibilities.
A branched-chain amino acid (BCAA) is an amino acid having an aliphatic side-chain with a branch (a central carbon atom bound to three or more carbon atoms). Among the proteinogenic amino acids, there are three BCAAs: leucine, isoleucine, and valine. [1]
The BCA simulations can be further subdivided by type depending on whether they only follow the incoming ion, or also follow the recoils produced by the ion (full cascade mode, e.g., in the popular BCA code SRIM). If the code does not account for secondary collisions (recoils), the number of defects is then calculated using the Robinson ...
Roughly, the Bulgarian grade system can be equated to the American one like the following: 6=A, 5=B, 4=C, 3=D, and 2=F. Also, in accordance with the Australian system, 6=HD, 5=D, 4=Cr, 3=P, and 2=F. The most common formula used in Bulgarian schools is currently Grade=(6* number of correct answers)/ total number of questions.
The BCA logo. Book Club Associates (BCA) was a mail-order and online book selling company in the United Kingdom. It came to dominate the mail-order book-club business in the U.K. in the 1970s and 1980s through extensive advertising in Sunday newspaper colour supplements and elsewhere, and became the largest mail-order bookseller in the U.K. The ...