beta-lactamase resistance beta-lactamase resistance beta-lactamase resistance beta-lactamase resistant penicillin beta-lactamase resistant penicillin beta-lactamase resistant penicillin Beta-Lactamase-Positive Amoxicillin/Clavulanate-Resistant Beta-Lactamase-Producing Bacteria ...
: any of a large class of natural and semisynthetic antibiotics (as the penicillins and cephalosporins) with a lactam ring Dictionary Entries Near beta-lactam beta interferon beta-lactam beta-lactamase See More Nearby Entries Cite this Entry Style “Beta-lactam.” Merriam-Webster.com ...
Beta-Lactamase Activity Assay Kit offers a simple and sensitive assay that can detect and quantify the enzymatic activity of these hydrolases. The assay is based on the hydrolysis of Nitrocefin, a chromogenic cephalosporin, that results in the generation of a colored product (OD 490 nm), which...
(d)monobactams(e.g.aztreonam)(e)beta-lactamaseinhibitors(e.g.clavulanicacid,sulbactam).A.FLEMING(1881–1955)•PenicillinG-P.notatum I.PENICILLINS (1929)Thecellwallcompletelysurroundsthecytoplasmicmembrane,maintainscellshapeandintegrity,andpreventscelllysisfromhighosmoticpressure.Thecellwalliscomposedofa...
AntibacterialSpectrumPenicillinsarebactericidaltosusceptiblegermandhavenoapparenttoxicitytohost.PenicillinGishighlyeffectiveagainst:G+cocci(streptococcus,Non-beta-lactamaseproducingstaphylococcusaureus,sensitivestreptococcuspneumonic,anaerobicG+cocci)G-cocci(Neisseriameningococci,gonococci)G+bacilli(bacillusperfringens,bacillus...
Beta-lactamases are the commonest cause of bacterial resistance to beta-lactam antibiotics. They have been classified phenotypically by their isoelectric p... B Bedenić - 《Lijec̆nic̆ki Vjesnik》 被引量: 3发表: 2004年 Extended-spectrum beta-lactamase in the urinary isolates of Enterobacte...
Administration of the beta-lactam antibiotic/beta-lactamase inhibitor mixture proved to be more effective against the resistant strains than the antibiotics alone. Polymyxins Polymyxins are peptide antibiotics active against gram-negative bacteria. All polymyxins contain the fatty acid D-6-methyloctan-1-...
Molecular epidemiology of plasmid spread among extended broad-spectrum beta-lactamase-producing Kleb- siella pneumoniae isolates in a pediatric hospital. J ... EH Bingen,P Desjardins,G Arlet,... - 《Journal of Clinical Microbiology》 被引量: 474发表: 1993年 Editorial Response: Extended-Spectrum ...
Initially, skin tests to PPL were considered to be positive in more than 70% of patients with IgE mediated clinical reactions to penicillin, and most studi... MJ Torres,M Blanca,J Fernandez,... - 《Allergy》 被引量: 1084发表: 2003年 Clavulanic Acid: a Beta-Lactamase-Inhibiting Beta-Lacta...
to the backbone carbonyl of Ala505 is the primary interaction, replacing the typical electrostatic interactions observed for this ubiquitous functional group of beta-lactam antibiotics. Despite the relative proximity of electropositive groups such as Arg407, Arg433, Lys434, and Lys497, the proline ...