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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 ...
Binary collision approximation. In condensed-matter physics, the binary collision approximation ( BCA) is a heuristic used to more efficiently simulate the penetration depth and defect production by energetic ions (with kinetic energies in the kilo-electronvolt ( keV) range or higher) in solids. In the method, the ion is approximated to travel ...
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]
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The Billiard Congress of America (BCA) is the governing body for cue sports in the United States and Canada, and the regional member organization of the World Pool-Billiard Association (WPA). [1] It was established under this name in 1948 [ 2 ] as a non-profit trade organization [ 3 ] in order to promote the sport and organize its players via ...
Building consent authorities ( BCAs) are officials who enforce New Zealand 's regulatory building control system. The New Zealand Building Act 2004 sets out a registration and accreditation scheme and technical reviews. The Act creates operational roles for BCAs. [ 1]
Boeing Commercial Airplanes. Boeing Commercial Airplanes (BCA) is a division of the Boeing Company. It designs, assembles, markets, and sells commercial aircraft, including the 737, 767, 777, and 787, along with freighter and business jet variants of most. The division employs nearly 35,000 people, many working at the company's division ...
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.