THE Schlack and Kumpf procedure 1 for identifying the amino-acids which provide terminal carboxyl groups in peptides has been made the basis of a micro method which works well with simple peptides ...

THE band positions in the visible region of a porphyrin spectrum are influenced by the electrophilic nature of the substituents conjugated with the porphyrin ring system; the more electrophilic ...

They play a crucial role in the structure, function, and regulation of the body's tissues and organs. Amino acids are characterized by their central carbon atom, known as the α-carbon, which is bonded ...