beta-lactam

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Also found in: Medical.
Related to Beta lactam: Beta lactamase

be·ta-lac·tam

 (bā′tə-lăk′təm, bē′-)
n.
1. A lactam composed of a four-membered ring, formed by intramolecular condensation of an amino acid in which the amino group is located at the beta position, or any compound containing this group.
2. A beta-lactam antibiotic.

[beta, second (in the series of lactam rings, the first being the simplest) + lactam.]
References in periodicals archive ?
The acquisition will help us leverage our expertise in beta lactam manufacturing segment."
The acquisition will help us leverage our expertise in beta lactam manufacturing segment." (Beta lactam is a class of broad-spectrum antibiotics, consisting of all antibiotic agents that contain a beta-lactam ring in their molecular structures.)
At our institution as well as other military and civilian medical centers, it is common to use the antipseudomonal beta lactam piperacillin-tazobactam in combination with a fluoroquinolone for empiric gram-negative coverage.
Nitin specialises in manufacturing liquid ampoules, liquid vials, sterile dry powder (beta lactam and non beta lactam), multidose eye/ear drops and lyophilized vials covering more than 200 formulations across various therapeutic areas including antibiotics, anti-malarial, NSAIDs, anti-inflammatory and local anesthetics.
Mitim is private-owned and specializes in the filling of injectable beta lactam products.
This proportion was referred as presumably false negative proportion since no confirmatory quantitative method was applied and therefore it was impossible to ascertain true if any concentration of beta lactam residues in these samples.
Clinical and Laboratory Standards Institute (CLSI) does not recommend all beta lactam antibiotic discs to be placed on the same Staphylococcus aureus lawn on Mueller Hinton agar 2.
Beta lactam ([beta]-lactam) group of antibiotics are the workhorse antimicrobial agents in routine management of patients, but the rising prevalence of extended spectrum [beta]- lactamase (ESBL) mediated resistance is giving clinicians a tough time to advise appropriate antimicrobials to their patients as the therapeutic options are limited.
[9] suggested that beta lactam antibiotic should not be used when in suspected CA-MRSA infection due to the potential risk of aggravated the infection as beta-lactam antibiotics upregulated PVL messenger RNA in several in vitro studies.
Effectiveness of beta lactam antibiotics compared with antibiotics active against atypical pathogens in non-severe community acquired pneumonia: meta-analysis.