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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 ...
A thermal shift assay (TSA) measures changes in the thermal denaturation temperature and hence stability of a protein under varying conditions such as variations in drug concentration, buffer formulation (pH or ionic strength), redox potential, or sequence mutation.
Thermo Scientific Dionex Dionex Corporation is an American company based in Sunnyvale, California . It develops, manufactures, sells, and services analytical chromatography systems for separating, isolating, and identifying the components of chemical mixtures. [ 3 ]
The Kjeldahl method or Kjeldahl digestion (Danish pronunciation: [ˈkʰelˌtɛˀl]) in analytical chemistry is a method for the quantitative determination of a sample's organic nitrogen plus ammonia/ammonium (NH 3 /NH 4 +). Without modification, other forms of inorganic nitrogen, for instance nitrate, are not included in this measurement.
Usually, the in-gel digestion is run as an overnight process. For the use of trypsin as protease and a temperature of 37 °C the time of incubation found in most protocols is 12-15 h. However, experiments about the duration of the digestion process showed that after 3 h there is enough material for successful mass spectrometric analysis. [38]
Software by NIST for compression of structure with mass spectra. The program seeks to find mechanisms and their rates for all fragmentation types (EI, Tandem positive and negative mode) and correlates mass spectral peaks to a probable origin structure. It contains an isotope calculator and other features and on-line help.
Ohio State quarterback Will Howard (18) holds a rose in his mouth as he poses with the trophy after the team won the quarterfinals of the Rose Bowl College Football Playoff against Oregon ...
Specific restriction endonucleases are used to digest DNA. The RFLP molecular marker is specific to a single fragment. Along with alleic RFLP markers, a molecular-weight size marker, in this case a DNA marker, [30] is also included on an electorphoresed agarose gel. The DNA marker allows for the size of the restriction fragments to be estimated.