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Related to beta-lactam: beta-lactamase, Beta-lactam Ring


 (bā′tə-lăk′təm, bē′-)
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 ?
Tenders are invited for Test systems for residual amounts of antibiotics in milk (two rows of beta-lactam antibiotics and tetracycline) type Cafrm 1/2 or analogue
General Hospital ruled out penicillin allergies in 47 of 50 adult inpatients, and successfully transitioned them from second-line antibiotics to less expensive and more effective beta-lactam options.
A chemically tweaked version of one of these molecules made 82 percent of tested MRSA strains vulnerable to a beta-lactam antibiotic.
aureus began demonstrating resistance to methicillin, resulting in what is now known as methicillin-resistant Staphylococcus aureus (MRSA), which is resistant to all beta-lactam antibiotics, including penicillin, methicillin, and amoxicillin.
Almost all patients with positive antibodies to streptococci responded to beta-lactam antibiotics (97%).
com)-- Bioo Scientific's MaxSignal[R] Beta-Lactam ELISA Test Kit has been validated for the screening of a wide range of beta-lactam antibiotics including ampicillin, penicillin G, amoxicillin, azlocillin, piperacillin, nafcillin, cloxacillin, oxacillin, cefoperazone, ceftiofur and other beta-lactams in a number of food matrices.
Analysis of twelve beta-lactam antibiotics in human plasma by HPLC with ultraviolet detection.
Beta-lactamase inhibitors restore or potentiate the activity of beta-lactam antibiotics.
Use of different screening test for beta lactam residues by laboratories, milk collectors and processing plants in Bosnia and Herzegovina during 2010 Snap Beta-lactam test 50% Charm MLR ROSA Beta-lactam test 30% Inhibition MRL BRT test 12% Other test 8% Note: Table made from pie chart.
and Enterome Bioscience SA have entered into an agreement to conduct metagenomic research on the effects of beta-lactam antibiotics on the gastrointestinal microflora (microbiome) of human patients.
Beta-lactam resistance in enterobacteria isolated from animal and water
Empiric combination therapy using a beta-lactam antibiotic plus an aminoglycoside is no more beneficial than empiric monotherapy using an appropriately broad-spectrum beta-lactam antibiotic alone for children suspected of having gram-negative bacteremia, according to a report.

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