dopa

By the experiment of melanin synthesis inhibition in vitro observing appearance changes in integument, the paper demonstrate it is an important reaction step in melanin synthesis and metabolism of silkworm that tyrosine hydroxylase catalyse tyrosine into dopa. 4.

通过眠蚕离体培养体壁组织的黑色素合成抑制试验观察到的体壁外观性状变化，证明了酪氨酸羟化酶催化酪氨酸转化成多巴是家蚕黑色素合成代谢途径上的重要反应步骤。

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The molconvert ratio of L-DOPA was 82.8 % from catechol.

以邻苯二酚计的转化率为82.8%.

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Objective To summarize the clinical characteristics of dopa-responsive dystonia ( DRD ).

目的　总结多巴反应性肌张力不全 ( DRD ) 的临床特征.

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High concentrations of L-DOPA and dopamine are toxic to the larvae.

且高浓度L - 多巴和多巴胺对幼虫有毒害效应.

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Objective The clinical features, diagnostic and therapeutic methods in dopa-responsive dystonia ( DRD ) were studied.

目的探讨多巴反应性 肌 张力障碍的临床特点 、 诊断和治疗方法.

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Objective To explore the clinical feature and treatment method of the dopa responsive dystonia ( DRD ).

目的　探讨多巴反应性 肌 张力障碍的临床特点及治疗.

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Simultaneous determination of dopa, epinephrine and dopamine with the ion chromatograph and fluorescent detector

离子色谱-荧光检测器同时测定多巴、肾上腺素和多巴胺

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Dopa is produced by the hydroxylation of tyrosine, and it subsequently converts to oxidized catechols and their derivatives by a series of enzymes, which lead to tanning, melanization and immunity.

酪氨酸在酶的作用下羟化为Dopa，Dopa再在一系列酶的作用下转化为儿茶酚类及其衍生物，并且参与到鞣化与免疫黑化中。

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Objective To explore the clinical feature and treatment method of the dopa-responsive dystonia ( DRD ).

目的探讨多巴反应性 肌 张力障碍的临床特点及治疗.

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METHODS: Tyrosinase activity was estimated by measuring the oxidation rate of L DOPA.

方法: 酪氨酸酶多巴速率氧化法体外测定药物干预前后酪氨酸酶活性,求出酪氨酸酶抑制率.

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Keywords: plant cell culture, L-DOPA, agitated reactor, operation strategy, scale-up.

关键词: 植物细胞培养 、 L-DOPA、 搅拌反应槽 、 操作策略 、 扩大规模.

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Mothods L dopa tests were conducted in 33 cases with PD, after UPDRS rating and Webster rating.

方法　对33例PD病人, 在进行UPDRS评分和Webster评分后,作一次单剂量左旋多巴试验.

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Conclusions L dopa induced dyskinesia may disappear or be improved after PVP.

结论　苍白球腹后部切开术使异动症得到了根本的缓解或消除,从而允许左旋多巴发挥最大的功效而无严重的副作用.

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Methods: Tyrosinase activity in vitro was measured by the rate of oxidation of L-Dopa.

方法 酪氨酸 酶多巴速率氧化法测定妇科再造丸对体外 酪氨酸 酶活性的抑制率.

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Methods: Tyrosinase activity was estimated by measuring the rate of oxidation of DL-dopa.

方法应用蘑菇 酪氨酸 酶多巴速率氧化法体外测定 酪氨酸 酶活性.

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Objective To investigate the clinical characteristics and GCHgene mutations in patients with dopa-responsive dystonia ( DRD ).

目的探讨多巴反应性肌张力障碍 ( DRD ) 临床及GTP环 化水解酶(GCH)基因突变特点.

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Objective To analyze the clinical characteristics of dopa-responsive dystonia ( DRD ).

目的　分析对多巴反应性肌张力障碍 ( DRD ) 的临床特点.

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Clinical treatment of PD includes dopamine replacement such as L-DOPA and D _ 2 dopamine receptor agonist.

目前临床仍以替代治疗为主,左旋多巴和D_2受体激动剂能改善PD症状,但不能阻制疾病发展,这使人们对PD治疗的认识由单纯替代疗法逐渐转向保护中脑DA能神经元.

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Neuroblastomas are also associated with increased urinary levels of dopa, dopamine and their metabolites.

成神经细胞瘤患者尿中也出现大量的多巴 、 多巴胺以及它们的代谢物.

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Neuroblastomas also associated with increased urinary levels of dopa, dopamine and their metabolites, particularly homovanillis acid.

成神经细胞瘤患者尿中也出现大量的多巴 、 多巴胺以及它们的代谢物, 特别是高香草酸.

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The effects of hyperthermia on melanin content and DOPA-reaction of S91 melanoma cells in vitro were studied by means of fluorometric assay and ultra-histochemical method.

本文采用显微荧光分光仪测定法及3，4二羟基苯丙氨酸（DOPA）反应的超微组化方法，观察高温对S91黑色素瘤细胞的影响。

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TH gene mutation in Chinese patients with autosomal recessive dopa-responsive dystonia

中国人常染色体隐性遗传性多巴反应性肌张力障碍TH基因突变分析

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AIM The purpose is to synthesize 6 fluoro L DOPA ( FDOPA ).

目的:合成6氟L多巴(FDOPA ).

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Objective To introduce L dopa test into the preparation of the surgical intervention of PD.

目的　介绍左旋多巴试验在PD外科治疗中的应用价值.

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They were then given L-DOPA or a placebo and asked to imagine holidaying in those destinations.

然后给他们服用左旋多巴或安慰剂,然后想象在这些不同地方度假.

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Conclusions Asimpleandpracticaltechniqueisprovidedfortheradiochemicalsynthesisof 6 1 8 F DOPA . Thesynthetic 6 1 8 F DOPAisallowedtobeusedtostudytheanimalandParkinson'sdiseasewithPETimaging.

结论　提供了简便实用的618FDOPA合成 方法,制备的618FDOPA可用于动物及PD患者 PET显像.

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Objective To study the clinical characteristics of patients with dopa-responsive dystonia ( DRD ).

目的研究多巴反应性 肌 张力障碍患者的临床特点.

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Determination of Dopa in Portulaca Oleracea by High Performance Capillary Electrophoresis

毛细管电泳法测定马齿苋中二羟基苯丙氨酸的含量

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Objective To study the neurotoxicity of L dopa and its neuroprotective method.

目的　研究左旋多巴(L-dopa) 的神经毒性及其神经保护方法.

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Objective To explore the pathogeny, clinical characteristics and therapy of dopa-responsive dystonia ( DRD ).

目的探讨多巴反应性肌张力障碍 ( DRD ) 的病因 、 临床特点及治疗,加强对该病的认识.

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