英文字典中文字典51ZiDian.com

中文字典辞典英文字典 a b c d e f g h i j k l m n o p q r s t u v w x y z

lactam

乳胺; 内酰胺

乳胺; 内□胺

The Collaborative International Dictionary of English v.0.48 (gcide)

Lactam \Lac"tam\, n. [Lactone amido.] (Chem.)
One of a series of anhydrides of an amido type, analogous to
the lactones, as oxindol; a cyclic amide.
[1913 Webster]

{beta-lactam} or {[beta]-lactam},
(a) a lactam in which the amide bond is contained within a
four-membered ring, which includes the amide nitrogen and
the carbonyl carbon.
(b) an antibiotic containing a beta-lactam, such as a
{penicillin}, {cephalosporin}, or {carbapenem}; also
called a {beta-lactam antibiotic}. [informal, laboratory
slang]
[PJC]

请选择你想看的字典辞典：

单词	字典	翻译
Lactam	查看　Lactam　在百度字典中的解释	百度英翻中〔查看〕
Lactam	查看　Lactam　在Google字典中的解释	Google英翻中〔查看〕
Lactam	查看　Lactam　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!

中文字典英文字典工具:

选择颜色:

<style type="text/css">#word104_1 br {display:none;}</style>
<form id="word104_1" method="post" action="http://www.51zidian.com/index.php" target="_blank">
<div style="width: 140px;border:1px solid #000;background-color:#ffffff;padding: 0px 0px;margin: 0px 0px;align:center;text-align:center;overflow:hidden;"><div id="xcolor1_1" style="font-size:12px;color:#183a00;line-height:16px;font-family: arial; font-weight:bold;background:#94abf0;padding: 3px 1px;text-align:center;"><a href="http://www.51zidian.com/" alt="英文字典中文字典" title="英文字典中文字典" id="word_name104_1" style="color:#000000;font-size:14px;text-decoration:none;line-height:16px;font-family: arial;" >英文字典中文字典</a></div><table width=100% style='align:center;text-align:left;font-size:12px;background-color:#ffffff;color:#333333;'>
<tr><td style="text-align:center;border:0"><input type=hidden name="word104_hi" value="1">输入中英文单字</td></tr><tr><td style="text-align:center;border:0"><input type="text" name="word104_input" value="" size=10 style="background-color:#ffffff;color:#000;text-decoration:none;font-family: arial;rial;border:1px solid #999;padding:1px!important;"></td></tr><tr style='line-height: 26px;'><td style="text-align:center;border:0"><input type=submit style="background-color:#ccc;color:#000;border:0 none;cursor:pointer;" value="查询字典"></td></tr></table></div>
</form>

英文字典中文字典相关资料:

Lactam - Wikipedia
A lactam is a cyclic amide, formally derived from an amino alkanoic acid through cyclization reactions The term is a portmanteau of the words lactone + amide Nomenclature
β-Lactams and β-Lactamase Inhibitors: An Overview - PMC
β-Lactam antibiotics are bactericidal agents that interrupt bacterial cell-wall formation as a result of covalent binding to essential penicillin-binding proteins (PBPs), enzymes that are involved in the terminal steps of peptidoglycan cross-linking in both Gram-negative and Gram-positive bacteria
Beta-Lactam Antibiotics - StatPearls - NCBI Bookshelf
Beta-lactam antibiotics are used in the management and treatment of bacterial infections This activity will highlight the mechanism of action, adverse event profile, and other key factors (e g , off-label uses, dosing, pharmacodynamics, pharmacokinetics, monitoring, relevant interactions) pertinent for members of an interprofessional
Overview of Beta-Lactams - Infectious Diseases - Merck Manual . . .
Beta-lactamases are a diverse class of enzymes produced by bacteria that break open the beta-lactam ring, inactivating the beta-lactam antibiotic Some beta-lactamases are encoded on mobile genetic elements (eg, plasmids); others are encoded on chromosomes
Lactam - an overview | ScienceDirect Topics
A lactam is a cyclic amide, which can be found in different forms: α-lactam (three-atom rings), β-lactam (four-atom rings), γ-lactam (five-atom rings), δ-lactam (six-atom rings), and ɛ-lactam (seven-atom rings) From: Green Approaches in Medicinal Chemistry for Sustainable Drug Design, 2020
What is Lactam? - BYJUS
What is Lactam? A lactam is a cyclic amide, which is derived from an amino alkanoic acid The term is a portmanteau of the words acetone + amide Lactams form by the acid-catalysed rearrangement of oximes in the Beckmann rearrangement Lactams form from cyclic ketones and hydrazoic acid in the Schmidt reaction
β-Lactams and β-Lactamase Inhibitors: An Overview - PubMed
β-Lactams are the most widely used class of antibiotics Since the discovery of benzylpenicillin in the 1920s, thousands of new penicillin derivatives and related β-lactam classes of cephalosporins, cephamycins, monobactams, and carbapenems have been discovered

中文字典-英文字典 2005-2009