Reversibility of Protein Binding of Penicillins: an In Vitro Study Employing a Rapid Diafiltration Process

Author:

Barza Michael1,Vine Hugh1,Weinstein Louis1

Affiliation:

1. Infectious Disease Service of the New England Medical Center Hospitals, Boston, Massachusetts 02111

Abstract

The reversibility of human serum protein binding of oxacillin, nafcillin, and cephalothin was investigated by using a diafiltration technique. While the temperature, p H, and protein concentration were kept constant, 20% of the serum volume was exchanged every 4 to 5 min. The binding of all three drugs was rapidly reversible, and the percentage of protein binding remained the same throughout the experiment.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference24 articles.

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5. Nuclear magnetic relaxation study of intermolecular complexes. The mechanism of penicillin binding to serum albumin;Fischer J. J.;J. Amer. Chem. Soc.,1965

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