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beta-lactam antibiotic |
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antibiotic /an·ti·bi·ot·ic/ (-bi-ot´ik) a chemical substance produced by a microorganism, which has the capacity to inhibit the growth of or to kill other microorganisms; antibiotics sufficiently nontoxic to the host are used in the treatment of infectious diseases. broad-spectrum antibiotic one effective against a wide range of bacteria. β-lactam antibiotic any of a group of antibiotics, including the cephalosporins and the penicillins, whose chemical structure contains a β ring; they inhibit synthesis of the bacterial peptidoglycan wall. beta-lactam antibiotic, any of a group of antibiotics, including the cephalosporins and the penicillins, whose chemical structure contains a beta-lactam ring. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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10) In 1988, Henderson et al reported that pneumococci recovered from children in daycare were far more likely to be resistant to trimethoprim/sulfamethoxazole (TMP/SMX) and to beta-lactam antibiotics than were organisms recovered from patients at a tertiary care university hospital. Only penicillin and its relatives, a drug family known as beta-lactam antibiotics, significantly raised the transporter concentrations in this neural tissue, the scientists report in the Jan. The need for drugs that combat resistance is urgent, Tulkens says, especially in a world in which resistance to beta-lactam antibiotics (the penicillin family) is as high as 80% among some pneumonia-causing microbes. |
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