objective to evaluate the cost-effectiveness of three therapeutic schemes, ampicillin-sulbactam injection ( a), cefoperazone injection ( b) and levofloxacin injection ( c) in treatment of the community acquired pneumonia infections.

the in vitro activity mic of levofloxacin against 823 clinical isolates were determined and compared with other antimicrobial agents.

体外药效学（PD）研究系测定左氧氟沙星对近期823株临床分离菌的药敏参数[最低抑菌浓度（MIC）]，并与其他相关抗菌药进行比较。

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determination of levofloxacin lactate and related substances in levofloxacin lactate and sodium chloride injection by rp-hplc

RP-HPLC法测定乳酸左氧氟沙星氯化钠注射液中主药含量及有关物质

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result: there were no obvious changes in the external appearance and ph value in 8 hours.

结果：在室温下8h内，乳酸左氧氟沙星与常用注射液配伍后，外观和pH值变化不显著；

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objective: to study the stability of levofloxacin hydrochloride mixed with four kinds of injection ( raceanisodamine, dexamethasone, potassium chloride, vitamin c) in glucose injection solution.

目的：考察盐酸左氧氟沙星在葡萄糖输液中与4种注射液（消旋山莨菪碱、地塞米松、氯化钾、维生素C）的配伍稳定性。

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study on the interaction of levofloxacin and mcm-41 by fluorescence spectrum

荧光光谱法研究左氧氟沙星与MCM-41的相互作用

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meta-analysis on clinical efficacy of combination regimens with levofloxacin in retreatment of pulmonary tuberculosis

含左氧氟沙星方案治疗复治肺结核临床疗效的Meta分析

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conclusion the species distribution, molecular electrical property and apparent distribution coefficient of levofloxacin all demonstrated much to be reliant on ph value.

结论左氧氟沙星的离子分布、分子荷电性质和表观分配系数均表现出强的pH值依赖性。

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meta-analysis on microbiological outcomes of bacterial infections treated with moxifloxacin versus levofloxacin

莫西沙星与左氧氟沙星治疗细菌性感染的细菌学疗效比较的Meta分析

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objective levofloxacins of various salts were studied for its effect and mechanism on hepatitis b in vitro.

目的研究不同盐的左氧氟沙星体外抗HBV的作用及其机理。

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chinical study of levofloxacin in the treatment of respiratory tract bacterial infections with copd

左氧氟沙星治疗COPD合并肺部感染的疗效观察

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pharmacokinetics and pharmacodynamics of levofloxacin in patients with respiratory tract infections using bayesian forecasting

Bayesian反馈法研究左氧氟沙星在呼吸系统感染患者中药动学及药效学

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hplc determination of levofloxacin in levofloxacin ophthalmic gel bioequivalence of levofloxacin hydrochloride tablets in chinese healthy volunteers

HPLC法测定盐酸左氧氟沙星液状眼用凝胶中左氧氟沙星的含量

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comparison of effect of levofloxacin triple and bismuth quadruple in hp eradication

左氧氟沙星三联与铋剂四联疗法根除HP疗效的比较

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compatibility of levofloxacin injection combined with vitamin c

左氧氟沙星与维生素C注射液的配伍稳定性

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objective to study the effects of cigarette smoke on macrophage metalloelastase ( mmp-12) mrna expression in the rats passively inhaled the smoke and the role of n-acetyl-cysteine ( nac) in the management of copd.

目的：探讨香烟烟雾对被动吸烟大鼠巨噬细胞弹性蛋白酶（MMP-12）表达的影响及N-乙酰半胱氨酸（NAC）在慢性阻塞性肺疾病中的治疗作用。

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the aim of the experiment was to study the lipid peroxidation damage of arsenic and the antagonistic action of n-acetyl-cysteine and vite on the damage induced by arsenic in blood, liver and kidney of rats.

本试验探讨了砷对小鼠血液和肝、肾脂质过氧化损伤及抗氧化剂N-乙酰半胱氨酸（NAC）和VitE对砷致小鼠脂质过氧化损伤的拮抗作用。

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moreover, addition of n-acetylcysteine or glycyrrhizic acid together with acetaminophen reduced the hepatotoxicity of acetaminophen, which illustrated the feasibility of gel entrapment culture of hepatocytes as a hepatotoxicity model to reflect the situation of a hepatoprotective drug in vivo.

此外，N-乙酰半胱氨酸（NAC）与甘草酸（GA）与醋氨酚一起加到培养基中能显著抑制醋氨酚导致的肝毒性，进一步说明凝胶包埋培养肝细胞可以反映保肝药物的临床作用。

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methods: serum creatine kinase was determined by n-acetyl cysteine ( nac) assay in 22 patients with ruptured tubal pregnancies and 35 patients with unruptured tubal pregnancies. fallopian tube tissues were examined by histopathology.

方法：采用N-乙酰半胱氨酸（NAC）法，测定22例破裂型输卵管妊娠患者和35例未破裂型输卵管妊娠患者的血清CK水平，同时对输卵管妊娠组织标本进行病理分析。

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in lps+ nac group, pregnant mice were injected with n-acetylcysteine ( nac) at 30 min before and at 3 h after lps ( 0.2 mg/ kg, ip);

LPS+NAC组在注射LPS（0.2mg/kg，ip）前30min和后3h给予N-乙酰半胱氨酸（NAC）；

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n-acetylcysteine ( nac) is a main part of free thiol in vivo, a precursor of glutathione. and has some effects on scavenging free radicals and protecting cells.

N－乙酰半胱氨酸（NAC）是体内游离巯基的组成部分，既可补充体内谷胱甘肽，又具有清除自由基、保护细胞的作用。

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