dopa

UV-Vis Spectroscopic Study of Aluminum-Manganese Cooperative Effect on the Melanin Formation from DOPA Oxidation

多巴氧化生成黑色素过程中锰和铝协同作用的紫外可见光谱研究

Treatment group of 32 patients using eye-acupuncture therapy , in combination with conventional doses of the United States dopa treatment .

治疗组32例，运用眼针疗法，再结合常规剂量的美多巴（madopar）治疗。

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

DopA is the most suitable method to observe the quantity of melanocyte and melanin granules .

多巴氧化酶法在几种方法中是最适合观察黑色素细胞数量和黑色素颗粒的方法。

Structure of the reconstructed epidermis and the location of melanocytes were detected by Dopa dyeing .

多巴染色检测该表皮替代物结构和黑素细胞定位。

A quickly stopped spectrophotometric assay for the dopa oxidase acitivity of tyrosinase

终止分光光度法快速检测酪氨酸多巴氧化酶活性

Melanocytes were identificated by DOPA staining and scanning electron microscope ;

采用多巴染色法及透射电镜鉴定细胞；

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

Conclusion The stopped spectrophotometric assay is a sensitive , specific , rapid , stable and reliable method to detect dopa oxidase .

结论建立的终止分光光度法检测多巴氧化酶活性敏感、快速和特异，是一种可靠的实验诊断手段。

Self-polymerization of DOPA on polyethylene porous membranes and immobilization of heparin

DOPA在聚乙烯微孔膜上的自聚合及肝素固定化

The mutations in GTP cyclohydrolase ⅰ gene in Chinese patients with dopa responsive dystonia

多巴反应性肌张力障碍三磷酸鸟苷环化水解酶Ⅰ基因突变检测

Method The clinical data , laboratory investigations and treatment of seven patients from five families with dopa responsive dystonia were described in details .

方法描述我院收治的来自5个家庭7例患者的临床表现、辅助检查及治疗情况。

Methods : Fluorogold ( FG ) retrograde tracing , GABA and Dopa immunocytochemistry were used .

方法：采用荧光金（FluoroGold，FG）逆行追踪分别与GABA和DOPA免疫组化相结合技术。

Effect of bilateral subthalamic nucleus stimulation on dopa responsiveness in parkinsonism and levodopa-equivalent dose

脑深部电刺激器对帕金森病多巴反应性和左旋多巴等效剂量的影响

Conclusion : We can produce a large quantity of RPE cells for in vitro experiments and DOPA staining proves effective in identification of RPE cells .

结论：培养的大量细胞可用于RPE的体外实验研究，多巴染色是鉴定RPE细胞一种较好的方法。

Prior and after therapy histochemical ( Dopa 'T ) and-electron microscopic Studies in 5 cases from each category had been performed .

每组各取5例于治疗前后做组化（多巴染色）及电镜检查。

The cells proliferation , melanogenesis and tyrosinase activity in cultured B16 cells were measured by MTT method , NaOH method and oxidative DOPA reaction respectively .

培养的小鼠B16黑素瘤细胞以四甲基偶氮唑盐比色（MTT）法、氢氧化钠（NaOH）法和体外氧化DOPA反应方法分别测定细胞的增殖活性、黑素生成量及TYR活性；

The location of melanocytes in the tissue engineering skin were detected by Dopa staining , transmission electron microscope ( TEM ) and S-100 immunohistochemical staining .

行Dopa染色、透射电镜和S-100免疫组织化学检测构建的皮肤中黑色素细胞的分布和状态。

The human melanocytes in melasma skin were successfully cultured , and the cells were multi-dendritic . S-100 protein immunohistochemical staining and Dopa staining were positive .

成功培养了人色素斑皮肤的黑色素细胞，细胞呈双极或者多级树突样，多巴染色和S-100蛋白免疫组化染色结果阳性。

The work ruled out the possibilities of decrease of DOPA synthesis from the effect on N-or M-cholinergic receptor or from the influence on DOPA decarboxylase activity .

实验中，排除了氯丙嗪通过N或M胆碱能神经受体，或影响DOPA脱羧酶活性而减少DOPA生成的可能性。

Methods Tyrosinase activity was estimated by measuring the oxidation rate of DL dopa . The inhibitory pattern of each monomers was determined according to their Lineweaver Burk curve as compared to controls .

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，并分别作出相应Lineweaver-Burk曲线，推断其抑制类型。

METHODS : The experiment was conducted in the Laboratory for Toxicology , Fujian College of Traditional Chinese Medicine from January to May 2004.The activity of tyrosinase was estimated by measuring the oxidation rate of DL dopa .

方法：实验于2004-01/05在福建中医学院毒理实验室完成，采用蘑菇酪氨酸酶多巴速率氧化法检测酪氨酸酶活性。

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。

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。

When pump depletion is considered , the analytical solution of Fokker-Planck equation of the nonlinear time-dependent degenerate optical parametric amplification ( DOPA ) in the P representation for generation of squeezed light is calculated . And then , the quantum fluctuation near or far away from threshold is evaluated .

解析求解了P表象中考虑抽运吃空后的非线性含时简并光学参量放大系统获得压缩光所满足的福克尔普朗克（Fokker-Planck）方程，并且计算了它在阈值附近及远离阈值的量子起伏。

Cuticle tanning , pigmentation and melanization of insects play an important role in the process of their developmental metamorphism . It is well known that 3 , 4-dihydroxyphenylalanine ( Dopa ) is essential for tanning of newly formed cuticle and the immune-associated melanization in insects .

表皮的鞣化，骨化及黑化在昆虫发育中起着重要作用，3,4-二羟苯丙氨酸（多巴，Dopa）是昆虫新生表皮鞣化和免疫黑化所必需的。