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3 thoradh

  1. INDUSTRY|chemistry|chemical compound

    #622350

    IATE #1206831
    lachtaim Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Laktam
    de
    Sainmhíniú Chemischer Stoff aus dessen Polymerisation Superpolyamid hergestellt wird Tagairt Zolltarif
    lactam | lactams
    en
    Sainmhíniú cyclic amide of amino carboxylic acid, having a 1-azacycloalkan-2-one structure, or analogue having unsaturation or heteroatoms replacing one or more carbon atoms of the ring Tagairt "IUPAC. Compendium of Chemical Terminology, 2nd ed. (the ""Gold Book""). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8 http://goldbook.iupac.org/L03435.html [12.7.2011]"
    Nóta "Prefixes indicate how many carbon atoms (apart from the carbonyl moiety) are present in the ring: β-lactam [ IATE:1141310 ] (2 carbon atoms outside the carbonyl, 4 ring atoms in total), γ-lactam (3 and 5), δ-lactam (4 and 6). Beta β, gamma γ and delta δ are the second, third and fourth letters in the alphabetical order of the Greek alphabet, respectively"
    lactame
    fr
  2. SOCIAL QUESTIONS|health|pharmaceutical industry|pharmaceutical product|medicament|antibiotic

    #634618

    IATE #1687055
    antaibheathach béitealachtaim Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Betalaktam-Antibiotikum | Beta-Lactam-Antibiotikum Betalactam-Antibiotikum Betalaktamantibiotikum
    de
    Sainmhíniú Antibiotikum mit einem Betalaktam-Ring Tagairt "COM-DE gestützt auf Medizinlexikon Flexikon > Beta-Laktam-Antibiotikum, http://flexikon.doccheck.com/de/Beta-Laktam-Antibiotikum (30.8.2017)"
    beta-lactam antibiotic | β-lactam antibiotic | beta-lactam
    en
    Sainmhíniú "any antibiotic [ IATE:1098823 ] which has a β-lactam ring [ IATE:1141310 ] in its molecular structure" Tagairt "COM-EN, based on: Wikipedia http://en.wikipedia.org/wiki/Beta-lactam_antibiotic [20.3.2018]"
    Nóta "The classes of β-lactam antibiotics include: penicillins [ IATE:1450504 ], cephalosporins [ IATE:1361346 ], monobactams [ IATE:1453308 ] and carbapenems [ IATE:3536654 ]. All have a four-membered beta-lactam ring as part of their molecular structure. Beta-lactam antibiotics function by interfering with the growth of the cell walls of multiplying bacteria. Bacteria become resistant to these antibiotics by producing beta-lactamases, enzymes (such as penicillinase) that disrupt the beta-lactam ring. To counteract this, beta-lactamase inhibitors (e.g. clavulanic acid) may be added to beta-lactam antibiotics. For example, co-amoxiclav (Augmentin) is a mixture of amoxicillin and clavulanic acid.Note reference:: 'beta-lactam antibiotic' Concise Medical Dictionary. Oxford University Press (OUP), 2010. Oxford Reference Online, http://www.oxfordreference.com/view/10.1093/acref/9780199557141.001.0001/acref-9780199557141-e-11169?rskey=nJWZWT&result=1131 [20.3.2018]"
  3. INDUSTRY|chemistry|chemical compound

    #677835

    IATE #1141310
    fáinne béitealachtaim Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Betalaktamring | Beta-Lactam-Ringbeta-Lactam-RingBeta-lactam-Ring
    de
    beta-lactam ring | β-lactam ring | B-lactam ring
    en
    Sainmhíniú "chemical group consisting of a 4-membered lactam, a heteroatomic ring structure with two carbon atoms, one carbonyl carbon atom and one nitrogen atom" Tagairt "COM-Terminology Coordination, based on: Wikipedia > Beta-lactam (2.5.2023)"
    Nóta The name β-lactam is due to the nitrogen atom attached to the β-carbon atom relative to the carbonyl.