查询词典 homovanillic

With high--performence liquid chromatography, the contents of amino acids in the hippocampus and dopamine、homovanillic acid in the subcortical tissue of the rats chronically treated with methylphenidate or ketamine were assesed.

并利用高效液相色谱分析法测定经哌甲酯、氯安酮长期处理后的大鼠海马游离氨基酸和皮层下组织多巴胺及代谢物的含量。

Methods The activity of b5R and the levels of H2O2 in thyroid were measured with potassium ferricyanide as substrate and with the homovanillic acid fluorescence assay,the effect of change of b5R activity on the levels of H2O2 and formation of protein-bound iodine were observed by the addition of b5R inhibitor.

应用荧光分析等技术测定甲状腺b5R活性和H2O2浓度，用b5R抑制剂观察b5R活性变化对H2O2浓度和蛋白结合碘形成影响。

The dopamine release in vivo was monitored by fast cyclic voltammetry and the concentrations of DA and its metabolites dihydroxy-phenylacetic acid and homovanillic acid were determined by high performance liquid chromatography electrochemical detection in the process study. In addition, the effects of some traditional Chinese herbs and related marine drug on behavioral changes were also evaluated in order to provide some suggestive clue for rational drug design of anti-Parkinon's disease .

许多因素都参与PD的DA能神经元的死亡，所以，本研究在制备PD动物模型的基础上，应用国内率先引进的快速周期伏安法检测设备在体动态监测DA的释放，同时应用另一种电化学检测技术—高效液相色谱电化学检测法离体检测DA及其代谢产物二羟苯乙酸和高香草酸的含量，结合行为学测定及其它方法，研究了雌激素和铁在PD发病中的作用，以及一些药物，如吲哚醌、牛磺酸、铁离子螯合剂、胆囊收缩素（CCK-8）、乌鸡白凤丸有效成份、大豆异黄酮及海洋酸性寡糖HSH971，对DA能神经元的影响，从DA能神经递质角度对PD的发病机理提供进一步的实验依据，并为PD的预防和治疗提供新的干预措施。

MAIN OUTCOME MEASURES: Content of monoamine transmitter such as levarterenol, adnephrin, dopamine, indoleacetic acid, homovanillic acid and 5-serotonin.

主要观察指标：测定各组大鼠脑组织单胺类神经递质去甲肾上腺素、肾上腺素、多巴胺、吲哚乙酸、高香草酸和5-羟色胺的含量，并进行组间对比。

The results showed that noradrenaline, dopamine, homovanillic acid,5 hydroxytryptamine (5 HT) and 5 hydroxyindole 3 acetic acid (5 HIAA) in pallium, striatum, hypothalamus of stressed rats were decreased by piracetam ( 100 mg/kg ; 200 mg/kg )to different degrees and formed a certain relation of amount effect.

对于老年性痴呆、酒精中毒、电休克引起的记忆缺损，儿童智力低下以及脑外伤或手术后意识障碍等均有明显改善和恢复作用。关于吡拉西坦对脑内NE、DA、5 HT等水平的影响因不同剂量、用药时间、以及在给药后不同时间测定递质水平等都会取得不同结果[4～ 6] 。

In the pretreatment group, Bak Foong Pill extracts were given for 14 days prior to MPTP. Immunostaining of tyrosine hydroxythase was used to observe the damage of dopamine neurons, and of Bax to detect the protein levels of Bax. High performance liquid chromatography-electrochemical detection was used to investigate the contents of DA and its metabolites dihydroxy-phenylacetic acid and homovanillic in the Str.

给予BFP预处理后，用酪氨酸羟化酶免疫组织化学法观察黑质神经元的变化；同时应用免疫组织化学法检测Bax蛋白表达；应用高效液相-电化学方法检测纹状体巴胺及其代谢产物二羟基苯乙酸和高香草酸的含量变化。

The plasticity of NSCs was detected by the differentiating test. HESCs were induced into dopaminergic neurons by means of adding Sonic Hedgehog Peptide and fibroblast growth factor eight (FGF8) early under the condition of mocked microenvironment and different development stage of dopaminergic neurons in vivo ,meanwhile made comparison with traditional method . The marker of dopaminergic neurons was tested by immunocytochemistry and RT-PCR, the content of dopamine and its derivation homovanillic acid were measured by HPLC-ECD.

模拟体内多巴胺神经元分化发育的不同阶段及微环境，采用早期添加音猥因子及成纤维细胞生长因子-8(FGF8)的方法，诱导hESCs定向生成多巴胺能神经元，并与传统的诱导方法相比较，免疫荧光细胞化学和RT-PCR法检测多巴胺能神经元的标志，高效液相色谱法检测诱导后细胞及细胞培养上清液中多巴胺及其代谢产物高香草酸的含量。

Methods The effects of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine and 7-nitroindazole (7-NI) on nitric oxide synthase activity, levels of dopamine、3,4-dihydroxyphenylacetic acid、homovanillic acid, and TH-immunostained postive nerve fibres in the striatum of mice were determined by using colorimetic analysis, HPLC with electrochemical detection, and immunohistochemical analysis.

用比色分析、高效液相色谱电化学及免疫组化法检测1-甲基-4-苯基-四氢吡啶和7-硝基吲唑（7-NI）对C57BL小鼠纹状体一氧化氮合酶活性，多巴胺、二羟基苯乙酸、高香草酸水平和酪氨酸羟化酶免疫阳性神经纤维的影响。

In the pretreatment group, Bak Foong Pill extracts were given for 14 daya prior to MPTP. Immunostaining of tyrosine hydroxythase was used to observe the damage of dopamine neurons, and of Bax to detect the protein levels of Bax. High performance liquid chromatography-electrochemical detection was used to investigate the contents of DA and its metabolites dihydroxy-phenylacetic acid and homovanillic in the Str.

给予BFP预处理后，用酪氨酸羟化酶免疫组织化学法观察黑质神经元的变化；同时应用免疫组织化学法检测Bax蛋白表达；应用高效液相－电化学方法检测纹状体多巴胺及其代谢产物二羟基苯乙酸和高香草酸的含量变化。

Hours later,these mice were decapitated,and the striatums were isolated from thebrains. The levels of dopamine, serotonin ( 5-HT ), homovanillic acid, 5-hydroxyindoleacetic acid ( 5-HIAA ) andnorepinephrinein the striatum were measured by high-performance liquid chromatography with electrochemical detection.

给3组小鼠分别喂食Dieldrin 50 mg·kg-1体重、Dieldrin 40 mg·kg-1体重和等量的生理盐水，3 h后处死小鼠，取纹状体匀浆用高效液相色谱-电化学检测法测定纹状体中多巴胺、5-羟色胺(5-HT)、高香草酸、5-羟基吲哚乙酸(5-HIAA)和去甲肾上腺素的含量。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。