(3-Methoxy-phenyl)-2H-pyrazol-

稳定表达具有生物活性的人重组对氧磷酶

of paraoxonase-1 activity in lysate The bioactivity of paraoxonase-1 present in the cell lysate was demonstrated by its ability to hydrolyse 4 mM phenyl acetate in 20 mM Tris HCl buffer pH 8.0, containing 1 mM CaCl2. As a control 10 mM EDTA was added

Purification of Antibodies Using Protein A-Sepharose and FPLC

Protein A chromatography is a type of affinity chromatography that relies on the specific interaction of protein A with the Fc region of immunoglobulins from a number of species (1 ). Protein A is a 42,000-Dalton polypeptide originally isolated

alpha-MEM培养基成分及其与MEM培养基的比较

Acids Glycine 75 50 0.667 L-Alanine 89 25 0.281 L-Arginine 211 105 0.498 L-Asparagine-H2O 150 50 0.333 L-Aspartic acid 133 30 0.226 L-Cysteine hydrochloride-H2O 176 100 0.568 L-Cystine 2HCl 313 31 0.0990 L-