Nalidixic acid

Antibiotics were used to mark the strain in order to monitor the population dynamics of the strain on the surface of rice plant . Nalidixic acid ( Nal ) and Rifampicin ( Rif ) were used one after another .

为了解该菌株在水稻体表的种群动态，先后选用抗生素萘啶酮酸（Nal）和利福平（Rif）标记该菌株。

Results : NO significance of difference between the antibiotic resistance rate of Shigella isolates of two cities but Nalidixic Acid .

结果两市痢疾菌株的耐药率除萘啶酸外（P<0.05），其它6种抗生素耐药率均无显著性差异（均P>0.05）。

This method has been used to determine nalidixic acid in human urine with recoveries of 96.6 % ~ 102.6 % .

可直接测定尿液中的萘啶酸含量，其回收率为96.6%～102.6%。

A method for the determination of cinoxacin and nalidixic acid in human plasma by reverse-phase high performance liquid chromatography is introduced .

提出了同时测定人血浆中的西诺沙星和萘啶酸的高效液相色谱方法。

Among them the fluorescence intensity of magnesium - nalidixic acid system was 58 folds more than that of nalidixic acid itself .

其中镁离子与萘啶酸配合物的荧光较萘啶酸强58倍。

Luminescence Behavior of Lanthanide - Nalidixic Acid Chelates and the Binding of Nalidixic acid to Bovine Serum Albumin

稀土-萘啶酸螯合物的发光特性及萘啶酸与牛血清白蛋白的结合作用

On the sorption process , hydrophobic interaction and electrostatic repulsive were the dominant mechanisms for acetaminophen and nalidixic acid removal .

在吸附过程中，疏水作用和静电斥力是两者去除的主要机理。

The fluorescence quenching behavior of human serum albumin by the quinolone antibacterials , nalidixic acid and norfloxacin , has been studied in detail .

观察了喹诺酮药物萘啶酸及氟哌酸对人血清白蛋白荧光的猝灭现象。

But the resistant rate to trimethoprim / sulfamethoxazole , tetracycline and nalidixic acid were considerably high , they should be carefully used in therapy .

而磺胺甲口恶唑/甲氧苄啶、四环素、萘啶酸等耐药率相对较高，应慎用。

Determination of Thulium by the First Derivative Fluorometry Using Pyridine-2,6-dicarboxylic Acid Determination of thulium , terbium by the first derivative fluorometry using nalidixic acid system

吡啶-2,6-二羧酸体系导数荧光分析法测定铥

246 isolates , there are 52 pairs showed mild patience of nalidixic acid , ciprofloxacin , enrofloxacin , sarafloxacin , lomefloxacin , levofloxacin , and the remaining strains were sensitive strains .

246株分离菌株中，有52株对萘啶酸、环丙沙星、恩诺沙星、沙拉沙星、洛美沙星、左氟沙星表现出轻度的耐性，其余菌株为敏感菌株。

Staphylococcus aureus and Escherichia coli resistant to nalidixic acid and norfloxacin were above 50 % , while Salmonella paratyphi A was 96 97 % , whose drug resistance to ampicillin and cefazolin had an obvious rise also ( P0.01 );

金黄色葡萄球菌和大肠埃希菌对萘啶酸和诺氟沙星的耐药升至50%以上，甲型副伤寒沙门菌则高达96%～97%，对氨苄西林、头孢唑林也都有明显升高（P0.01）；

The 50 % inhibitory concentra-tion ( IC50 ) of nalidixic acid , norfloxacin , ofloxacin , sparfloxacin and ciprofloxacin were 10 . 46 、 1 . 35 、 0.35 、 0.42 、 0.12 μ g / ml respectively .

萘啶酸、诺氟沙星、氧氟沙星、斯巴沙星、环丙沙星对该酶活性50%抑制浓度（1C＿（50））分别为10.46、1.35、0.35、0.42和0.12μg／ml。