Results 221 to 230 of about 104,518 (269)
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Continuous deacetylation of cephalosporins
Biotechnology and Bioengineering, 1980AbstractContinuous deacetylation of cephalosporin C, 7âaminocephalosporanic acid, and of 2âmethoxyethyl acetate in packed beds of an immobilized esterase is described by simple empirical equations relating conversion to space velocity and temperature.
J. Konecny, Meinrad Sieber
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Pediatrics In Review, 1998
The cephalosporins are the largest and most diverse family of antimicrobial agents available. Although they rarely are considered drugs of first choice for the therapy of bacterial infections, they are the most commonly prescribed agents for both ambulatory and hospitalized patients.
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The cephalosporins are the largest and most diverse family of antimicrobial agents available. Although they rarely are considered drugs of first choice for the therapy of bacterial infections, they are the most commonly prescribed agents for both ambulatory and hospitalized patients.
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Journal of Medicinal Chemistry, 1977
The acidic aqueous degradation of the 7alpha-aminophenylglycinamido-containing cephalosporin cephalexin (1a) has been examined. Two major degradation products have been isolated and characterized: 3-formyl-3,6-dihydro-6-phenyl-2.5(1H,4H)-pyrazinedione (5) and 3-hydroxy-4-methyl-2(5H)-thiophenone (6).
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The acidic aqueous degradation of the 7alpha-aminophenylglycinamido-containing cephalosporin cephalexin (1a) has been examined. Two major degradation products have been isolated and characterized: 3-formyl-3,6-dihydro-6-phenyl-2.5(1H,4H)-pyrazinedione (5) and 3-hydroxy-4-methyl-2(5H)-thiophenone (6).
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The immunosuppressive effect of cephalosporins and cephalosporin-gentamicin combinations
Journal of Antimicrobial Chemotherapy, 1981Human peripheral blood lymphocytes were cultured in several concentrations of each of 13 cephalosporins alone or in combination with gentamicin. Response to phytohaemagglutinin (PHA) was compared with that of cultures containing no antibiotics. No apparent immunoinhibitory effect could be detected for most cephalosporins.
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EcoSal Plus
ABSTRACT Siderophore cephalosporins are designed to exploit bacterial nutrient uptake systems to gain accelerated uptake across the outer membrane of Gram-negative bacteria. They contain iron (III) binding motifs that allow them to form complexes that will be recognized as potential substrates by iron-siderophore ...
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ABSTRACT Siderophore cephalosporins are designed to exploit bacterial nutrient uptake systems to gain accelerated uptake across the outer membrane of Gram-negative bacteria. They contain iron (III) binding motifs that allow them to form complexes that will be recognized as potential substrates by iron-siderophore ...
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