EXTRACTION methods are usually used for the isolation and purification of antibiotics soluble in organic solvents which are immiscible with water. This method can be applied if the partition ...

THE capacity of an enzyme preparation to activate amino-acids is usually measured by means of the amino-acid dependent isotope exchange reaction between pyrophosphate labelled with phosphorus-32 and ...

Researchers at the University of Alabama at Birmingham (UAB) have developed a one-step affinity chromatography method for protein purification that they claim is up to 100 times better than existing ...