Cephalosporinase and penicillinase activities of a β-lactamase from Pseudomonas pyocyanea

Iodometric Assay of Penicillinase

1954 • 412 citations

The structure of cephalosporin C

1961 • 289 citations

THE PROPERTIES AND MODE OF ACTION OF THE POLYMYXINS

1956 • 283 citations

The inhibition of chymotrypsin by diethyl p-nitrophenyl phosphate

1952 • 136 citations

PURIFICATION AND PROPERTIES OF THE EXOPENICILLINASE FROM STAPHYLOCOCCUS AUREUS

1963 • 123 citations

OBSERVATIONS ON THE NATURE, DISTRIBUTION, AND SIGNIFICANCE OF CEPHALOSPORINASE

1963 • 112 citations

Behaviour of some derivatives of 7-aminocephalosporanic acid and 6-aminopenicillanic acid as substrates, inhibitors and inducers of penicillinases

1962 • 78 citations

Synergistic Action of Penicillins and Cephalosporins Against Pseudomonas pyocyanea

1964 • 73 citations

Deacetylcephalosporin C

1961 • 71 citations

A comparison of the action of penicillinase on benzylpenicillin and cephalosporin N and the competitive inhibition of penicillinase by cephalosporin C

1956 • 68 citations

Effect of Pencillinase on the Activity of Penicillins: Synergistic Activity of Penicillins against Penicillinase-producing Gram-negative Bacilli

1964 • 67 citations

Properties of the Penicillin Deacylase Enzyme of Escherichia coli

1964 • 62 citations

Distribution and Substrate Specificity of Benzylpenicillin Acylase

1963 • 60 citations

Microbial Degradation of Cephalosporin C

1963 • 49 citations

Variety of Substrates for a Bacterial Benzyl Penicillin-splitting Enzyme

1964 • 45 citations

Degradation of Benzylpenicillin at pH 7.5 to D-Benzylpenicilloic Acid

1960 • 44 citations

Penicillinase adaptation in Bacillus cereus; an analysis of three phases in the response of logarithmically growing cultures to induction of penicillinase formation by penicillin.

1952 • 40 citations

Inhibition of Penicillinases from Gram-Positive and Gram-Negative Bacteria by Substrate Analogues

1964 • 37 citations

Localization of the site of fixation of the inducer, penicillin, in Bacillus cereus

1964 • 37 citations

THE FORMATION OF METABOLITES FROM CEPHALOSPORIN COMPOUNDS

1963 • 35 citations

IDENTITY OF COLISTIN AND POLYMYXIN E

1963 • 30 citations

Production of a Cephalosporinase by Pseudomonas pyocyanea

1963 • 29 citations

Penicillinases from Gram-Positive and Gram-Negative Bacteria: A Thermodynamic Difference

1963 • 28 citations

The Association of the Penicillin-binding Component of Staphylococcus aureus with a Lipid Fraction

1954 • 24 citations

Induction of Cephalosporinase and Penicillinase in Proteus Species

1964 • 22 citations

Studies on the acetylesterase of Sclerotinia laxa

1955 • 19 citations