儿茶酚

Urine VMA level is a useful marker to detect extra-adrenal pheochromocytoma and CT scan is the most reliable in localizing the lesions.131-MIBG scintigraphy is of great value for the localiza-tion and quantitative for extrarenal pheochromocytoma with high sensitivity and accuracy.It may be also used as a therapeutic method.

VMA及血、尿儿茶酚胺是定性诊断异位嗜铬细胞瘤的主要依据，CT诊断定位准确、131碘-间位碘代苄胍(131I-MIBG)定位准确、敏感性高，且可作为治疗措施。

Rats of pancephalic ischemia and reperfusion were establ- ished with gyral vessel closing method by pulsinelli. SOD and MDA in cerebral tissue, transmitter content of catecholamine in hippocampal gyrus. striatum and neocortex, and patho- morphism of cerebral tissue of experimental animals were stu- died by piercing Baihui to Qubin of rats with filiform needle.

本课题采用Pulsinelli四血管关闭方法建立大鼠全脑缺血再灌注模型，对比观察了毫针透刺大鼠百会至曲鬓穴区对实验动物脑组织中SOD、MDA，海马、纹状体、新皮层中的儿茶酚胺递质含量及脑病理组织形态等方面进行研究。

Already know, attention deficit hyperactivity disorder in children with urinary 3-A 4 Phenylethanol hydroxyl oxygen content decreased in cerebrospinal fluid homovanillic acid homocysteine decreased, and both are catecholamine metabolites.

已经知道，多动症患儿尿中3一甲4一氧羟苯乙醇含量减少，脑脊液中同型香草酸含量降低，而二者都是儿茶酚胺的代谢产物。

Tolcapone could greatly improve PD patients'motor function,especially in hypokinesia,muscle rigidity,and which could also improve patient's cognition ability.

儿茶酚 O位甲基转移酶抑制剂托卡朋能够改善PD的运动功能，尤其是运动减少和肌僵直，同时能改善患者的认知功能。

The results show that the interaction mode is mainly electrostatic interaction in the low concentration of dobutamine and adrenaline whereas intercalative binding plays a dominant role in their high concentration.

本文利用光谱和电化学方法研究了儿茶酚胺衍生物与小牛胸腺DNA之间的作用机制。

Manypharmacological experiments have been conducted to determine the effects of adrenergic agonistand antagonist of catecholamine receptors on Meretrix meretrix metamorphosis.

药理学实验分别采用了几种儿茶酚胺类受体的激动剂和抑制剂来处理幼虫，检验它们在幼虫变态过程中的作用。

A method for the determination of phenol and catechol in tobacco leaf by high performance liquid chromatography with methanol and 0.05 mol/L of monopotassium phosphate as mobile phase at a flow rate of 0.5 mL/min was described. Phenol and catechol were extracted from tobacco sample by distillation and solid phase extraction with Sep Park C 18 cartridge.

引 言挥发酚是烟草中一类重要的成分，它在烟草燃烧时直接进入烟气，大多有不好的气味，而且很难被掩盖；特别是苯酚和儿茶酚对呼吸系统有腐蚀作用和助癌作用，近年来逐渐引起了烟草化学工作者的注意〔1〕。

The disturbances of catecholaminergic neurotransmission have been implicated in the neuropsychiatric and cardiovascular diseases.

在患神经精神病和心血管疾病的患者中发现儿茶酚胺能传递失调，暗示ZNF191基因可能是这些疾病的发生或发展的相关基因。

The key points of diagnosis of pheochromocytoma were concluded as follow: a history ofparoxymal hypertension;an increased concentration of plasma catecholamines;131I-MIBG was a high sensitive and specific method with qualitative and orientative value.

综合本组病例的临床资料，诊断嗜铬细胞瘤的要点有：(1)病史中存在阵发性高血压的线索；(2)血中儿茶酚胺浓度增高；(3)131I-MIBG对诊断嗜铬细胞瘤具有高的敏感性和特异性，并兼有定位及定性诊断价值。

All dates were analyzed by the principal component analysis through using the SIMCA-P 10.0 software. Result: The PCA demonstrated that the metabolome between treated group and control group had difference in rat urine sample after of 22 days administrated, for treated group 169 kinds of biomarkers were found including oxalacetic acid, malic acid, 2-ketoglutaric acid, NE, arachidonic acid, 5-HIAA and other compounds, the result was consistent with pharmacological effects of R.coptidis , such as antiinflammatory, inhibiting biosynthesis of CA biosynthesis, anti-central nerve and energy metabolism inhibition.

结果：给药22 d，黄连组与对照组大鼠尿样代谢组有较大差异，发现了169个生物标记物，其中可能的化合物为草酰乙酸、苹果酸、2-酮戊二酸、去甲肾上腺素、花生四烯酸、5-羟吲哚乙酸等物质，这与黄连抗炎、阻止儿茶酚胺的生物合成、抑制中枢神经、降低能量代谢的药理作用相一致。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。