blue/white screening) in combination with chromogenic substrates such as X‑Gal: in this context IPTG activates β-galactosidase expression which cleaves X-Gal to yield a colored product
Be sure to validate that the buffer does not interact (or minimally interacts) with your biomolecule of interest—especially if the biomolecule is a metalloprotein or has ion-sensitive behavior
NCBI: 396880
Cobalt binds fewer host protein contaminants
Compromising the membrane ultimately results in cell death
Bovine Serum Albumin (BSA), Cohn Analog Grade 58249255 blue/white screening) in combination withGoldBios Cohn Analog BSA is a highly purified, lyophilized Fraction V bovine serum albumin designed for sensitive applications in cell culture, microbial culture, reproductive biology, and molecular biology. Derived from the plasma of USDA inspected healthy animals in U. S. based facilities, this lyophilized Fraction V powder is produced using a proprietary, non solvent procedure, including membrane dialysis, filtration, and a modified Cohn heat shock