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W S BONIECE

Publications and source records attributed to W S BONIECE.

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IN VITRO AND IN VIVO LABORATORY EVALUATION OF CEPHALOGLYCIN AND CEPHALORIDINE.

Two new antibiotics, structurally related to cephalothin, have been given the generic names cephaloglycin and cephaloridine. Cephaloglycin is the dipolar ion of 7-(d-alpha-aminophenylacetamido)-cephalosporanic acid. Cephaloridine is 7-[alpha-(2-thiophene)acetamido]-3-(1-pyridylmethyl)-3-cephem-4-carboxylic acid betaine. These new compounds were evaluated simultaneously. The broad spectrum of activity observed in vitro and in vivo with both antibiotics, the good oral absorption obtained with cephaloglycin, and the stability of cephaloridine are emphasized. The data suggest that both antibiotics merit clinical trial in humans.

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In vitro and in vivo laboratory evaluation of cephalothin, a new broad spectrum antibiotic.

Boniece, W. S. (Lilly Research Laboratories, Indianapolis, Indiana), W. E. Wick, D. H. Holmes, and C. E. Redman. In vitro and in vivo laboratory evaluation of cephalothin, a new broad-spectrum antibiotic. J. Bacteriol. 84:1292-1296. 1962.-Cephalothin, a new cephalosporin antibiotic, is the sodium salt of 7-(thiophene-2-acetamido) cephalosporanic acid. The activity of this antibiotic against a variety of gram-positive and gram-negative bacteria is described, as determined by the tube-dilution and disc-plate methods. Correlations of the results of the therapy of experimental infections in mice with in vitro sensitivity to cephalothin are presented. The data from the gram-negative bacterial infection tests suggest the following relationship on a within strain basis: ed(50) = C(i)ld(50) (bi), where the subscript i stands for the various strains.

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