二苯乙烯

  • 网络stilbene;stilbenes;trans-stilbene
二苯乙烯二苯乙烯
  1. 一个发射波长明显红移的二苯乙烯类pH探针

    A Probe of Stilbene Derivative for pH with Distinct Red Shift in Emission Wavelength

  2. 二苯乙烯衍生物型荧光增白剂的MO理论研究

    The study of the fluorescent whitening agents of the derivatives of the stilbene type using molecular orbital theory

  3. HPLC法同时测定大鼠胆汁中二苯乙烯苷及其代谢物的浓度

    HPLC simultaneous determination of stilbene glycoside and its metabolite in rat bile liquid

  4. 二苯乙烯类化合物E1对2型糖尿病大鼠心肌病变的影响

    The effect of stilbenoid ( E_1 ) on cardiac complication of rats with experimental non-insulin-dependent diabetes mellitus

  5. NMR在二苯乙烯型荧光增白剂结构鉴定中的应用

    The Application of NMR in the Structure Identification of Stilbene-based Fluorescent Brighteners

  6. 二苯乙烯在CdS胶体界面和醇溶液中光氧化反应的ESR研究

    ESR Study on the photooxidation processes of stilbene on CDs colloid surface and in alcohol solution

  7. 由芳醛制得的腙盐在钌(II)卟啉催化下发生自身偶合,以较高收率合成了二苯乙烯类化合物(~90%的顺式选择性)。

    Cis-stilbenes with high yield (~ 90 % selectivity ) was synthesized from aryl aldehyde tosylhydrazones salts using ruthenium (ⅱ) porphyrins as a catalyst .

  8. 在不同温度下干燥不同时间,以HPLC法测定调肝导浊方中二苯乙烯苷的含量。

    At a different temperature , in a different time , the bibenzenethyleneglycoside s content of Tiaogan Daozhuo Decoction was measure by HPLC .

  9. 其中降血脂主要成分为总黄酮、枸杞多糖和二苯乙烯甙,营养珍珠主要成分为天然杂多糖和DNA。

    The main compositions of the beverage were flavonoids , lycium barbarum polysacchride and stilbene glycosides . The main compositions of the nutrition pearl were natural polysaccharides and DNA .

  10. 二苯乙烯类化合物E1的降糖作用及其机制的初步研究

    The glucose-lowering effect of stilbenoids E1 and mechanism

  11. 本文研究了以二苯乙烯氯苯衍生物为原料,在Ni(O)催化下,合成二苯乙烯联苯类荧光增白剂的工艺过程。

    A series of fluorescent whitening agents of biphenyl type synthesizing from stilbene chlorides in the presence of Ni ( O ) catalyst was studied .

  12. 二苯乙烯苷对脑缺血啮齿动物脑NMDA受体及细胞内钙离子的影响

    Effects of tetrahydroxystilbene on NMDA receptors and intracellular calcium ions in brain of ischemia rodent

  13. 二苯乙烯苷特性及DPPH自由基清除活性

    Property and activity of DPPH radical scavenging of stilbene glucosides

  14. 结果二苯乙烯甙明显降低高脂大鼠血TG和Ch,但对腹腔注射蛋黄液小鼠的血清Ch无降低作用。

    Results Stilbene glucoside decreased the quantities of TG and Ch in hyperlipidemia rats significantly . Stilbene glucoside has no effect on mice .

  15. 白藜芦醇(resveratrol,3,4′,5-三羟基二苯乙烯)为多酚类化合物,是一种存在于自然界的植物抗毒素。

    Resveratrol ( 3,4 ' , 5-trihydroxystilbene ) is a phytoalexin which is present in a number of plant species .

  16. 二苯乙烯苷抑制人乳腺癌MCF-7细胞增殖及对PI3K/Akt信号通路的影响

    Effects of 2,3,5,4-tetrahydroxystilbene-2-O - β - D glucoside ( THSG ) on proliferation of human breast cancer MCF-7 cells and phosphoinositol-3-kinase / Akt signaling pathway

  17. 本文设计合成了一系列具有AIE效应的氰基取代二苯乙烯衍生物,研究了它们的光电性质。

    We designed and synthesized a series of cyano-stilbene derivatives and study their optoelectronic properties .

  18. 结果:模型组的NMDA受体结合力比假手术组明显升高,而二苯乙烯苷治疗组可以降低模型动物的NMDA受体结合力;

    RESULTS Binding force of NMDA receptors of model group was significantly higher than that of sham operation group , while tetrahydroxystilbene treatment can decreased it significantly .

  19. 目的研究中药何首乌中有效成分二苯乙烯苷(2,3,5,4′四羟基二苯乙烯2OβD葡萄糖苷,THSG)与结构相似的白黎芦醇(resveratrol)是否有类似的血管舒张作用。

    AIM To investigate if 2,3,5,4 ′ tetrahydroxystilbene 2 O β D glucoside ( THSG ) has similar vasodilation as its structure analog resveratrol on the aorta .

  20. 建立大鼠血浆及组织中二苯乙烯苷浓度的RP-HPLC测定方法,研究何首乌中二苯乙烯苷在大鼠体内的吸收、分布、代谢、排泄情况。

    To establish a reversed-phase HPLC method for determination of stilbene glycoside in plasma and tissue sample ; To study the absorption , tissue distribution and excretion characteristics of stilbene glycoside in rats with HPLC .

  21. 卡马西平(Carbamazepine,CBZ)是杂环类(亚氨基二苯乙烯)广谱抗癫痫药,具有抗外周神经痛、抗躁狂抑郁、抗利尿及抗心律失常等作用。

    Carbamazepine is a heterocyclic ( iminodiacetic styrene ) broad-spectrum antiepileptic drug , and has the role of anti-peripheral nerve pain , anti-manic-depressive , anti-diuretic and antiarrhythmic .

  22. 二苯乙烯苷(2,3,5,4-tetrahydroxystilbene-2-O-β-D-glucoside,TSG)是从中草药何首乌中提取的有效活性成分之一。

    Tetrahydroxystilbene glucoside ( TSG ), is one of effectively active constituents extracted from Chinese herbal medicine , Polygonum multiflorum thunb ( PM ) .

  23. 研究了十二烷基硫酸钠(SDS)/苯甲醇(BA)/水体系中反式1,2-二苯乙烯的光异构化反应,讨论了分子有序组合体的组成与结构和反应产率的关系。

    Photoisomerization of trans-stilbene ( TS ) is investigated in sodium dodecylsulfate ( SDS ) / benzyl alcohol ( BA ) / H2O systems in order to investigate the relationship between the reaction yields and the compositions and structures of molecular organized assemblies .

  24. 目的:研究何首乌的2,3,5,4′-四羟基二苯乙烯-2-O-β-D-葡萄糖苷(TSG)对实验性高脂血症大鼠的调脂作用。

    Objective : To study lipid-regulating action of 2,3,5,4 ′ - tetrahydroxy stilbene-2-O - β - D-glucopyranoside ( TSG ) from Polygonum multiflorum on experimental model hyperlipidemic rats .

  25. 我们选择二苯乙烯系列衍生物作为研究对象,分别采用响应场方法和少态模型方法研究了它们的双光子吸收性质,计算过程分别在DALTON和GAUSSIAN.98程序包上完成。

    In this thesis , we design a series of trans-stilbene derivatives and study their two-photon absorption properties by response and few states model . The work is done on DALTON and GAUSSIAN-98 program packs .

  26. 在K2CO3固体碱、PEG-400相转移催化剂催化下,利用微波辐射,合成了6个4-硝基二苯乙烯系列化合物。

    In the solid alkali of K2 CO3 , PEG-400 is shifted under the catalyst catalysis , utilizes microwave radiation , have formatted six times 4-two styrene serial chemical compounds of nitre base .

  27. 测定了4-硝基二苯乙烯系列6个化合物在14种有机溶剂中的紫外吸收光谱,其最大吸收频率与Hammett取代基常数之间存在良好的线性关系。

    In this paper , the purple spectrum of 6 compounds of 4-nitro-distyrenes in 14 kinds of organic solvents is determined . Good linear relations exist among the highest absorbing frequency and Hammett replace base constants .

  28. 以对甲苯甲腈为原料,经氯化、环化、缩合三步反应合成了荧光增白剂双苯并恶唑二苯乙烯(OB-1)。

    With p-methylbenzonitrile as starting material , the fluorescent bleaching agent bisbenzoxazole diphenylethene ( OB-1 ) was synthesized by chlorination , cyclization and condensation .

  29. 目的:建立LTC4放射受体结合实验方法,并比较二苯乙烯低聚体(Gn3)和LTC4受体的结合特性。

    AIM : To set up a radio ligand binding assay of LTC 4 for studying the effect of Gn 3 ( a stilbene polymer isolated from Gnetum parvifolium ) on the LTC 4 receptor .

  30. 何首乌中二苯乙烯苷在大鼠体内的药动学

    Pharmacokinetics of stilbene glycoside from Polygonum multiflorum in rats in vivo