自旋标记

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  • spin labeling
自旋标记自旋标记
  1. MR血管成像与动脉质子自旋标记探讨脑血流异常与短暂性脑缺血发作的关系

    MR angiography and arterial spin labeling proton in assessing correlation between transient ischemic attack and intracranial artery perfusion abnormalities

  2. 位置定向的自旋标记(SDSL)技术结合电子顺磁共振(EPR)波谱技术成为检测蛋白质结构的有力工具。

    Site-directed spin labeling ( SDSL ) combined with electron paramagnetic resonance ( EPR ) spectroscopy is a powerful tool for detecting structure of proteins .

  3. 实验证明,在不同的溶剂相中,自旋标记的τc不同。

    The result proved that in different solvent the spin label has different τ _c .

  4. 在甘油梯度中,随着甘油梯度的增加,自旋标记物的τc也增加。

    Along with the increase of glycerin gradient , the τ _cof spin label also increased .

  5. 用自旋标记ESR波谱法研究杨树抗寒性

    Study on cold resistance of poplar by ESR spin label

  6. 用自旋标记ESR波谱法测定磷脂的相变温度

    Transition temperature measurement of DPPC with ESR spin label

  7. 用自旋标记ESR法测脑细胞膜流动性。

    The fluidity of brain cell membrane was measured by using spin labeling-ESR .

  8. 用自旋标记ESR波谱研究光照、血卟啉同脂质体膜的相互作用

    Study on the interaction between photoradiation-hematoporphyrin derivative and liposome with spin label and ESR spectrum

  9. 用自旋标记研究抗癌药物对中国地鼠肺正常细胞V(79)和癌变细胞V(79)-B1膜流动性的影响

    Effect of some antitumour drugs on the membrane fluidity of the spin-labeled hamster lung normal cell v_ ( 79 ) and cancer cell v_ ( 79 ) - b_1

  10. 光照血卟啉也可以使脂质体膜中的脂肪酸自旋标记的ESR信号减小,说明发生了电子转移。

    Photoradiation-HPD was shown to decrease the intensity of the ESR signal of the fatty acid spin label incorporated in this system .

  11. 目的:应用自旋标记电子顺磁共振(SpinlabelESR)技术,探讨电磁脉冲对海马细胞膜流动性的影响。

    Objective : Spin-label electron spin resonance ( ESR ) spectroscopy technique has been used to investigate the membrane fluidity changes of hippocampus neuron irradiated by EMP .

  12. ST-ESR和ESR法研究自旋标记苯乙烯-丁二烯-苯乙烯嵌段共聚物的链段运动

    A study of the segmental motion of a spin labelled SBS block polymer by st-esr and ESR

  13. 亚油酸铂的作用使乳腺细胞和S180实体癌细胞的W/S值降低,表明,亚油酸铂作用于膜蛋白引起膜蛋白构象变化,使马来酰亚胺自旋标记化合物(MSL)运动受到限制加强。

    In the presence of linoleic platinum the ratio W / S of breast cancer cell membranes and S180 Cell membranes labeled with MLS were changed .

  14. 本文首次合成和使用自旋标记的血卟啉氮氧自由基,研究了人参皂甙对HPD光敏作用的影响。

    The HPD nitroxide free radical was first synthesized and used to study the influence of ginsenoside on the photosensitization of HPD .

  15. DSC及自旋标记ESR实验结果示出(Na~++K~+)-ATP酶有选择地与酸性磷脂相互作用。

    The enzyme has been found to be activated optimally by acid phospholipids . DSC and spin label ESR experiments also demonstrated that the ( Na + + K + ) - ATPase displays a selectivity for certain acid phospholipids .

  16. 鬼桕毒自旋标记物的生物活性&对HeLa、BHK及KMB细胞的体外抑制和对cAMP-PDE的影响

    The Biological Activity of Spin Labeled Compounds of Podophyllotoxin & The Inhibition for the Growth of HeLa , BHK and KMB and on the Activity of cAMP-PDE in Vitro

  17. 我们还就鬼桕毒自旋标记衍生物对兔脑环腺苷酸磷酸二酯酶(cAMP-PDE)活性的抑制效果进行了观察。

    Investigation has been made of the inhibiting effect of spin labeled compounds of podophyllotoxin on the activity of cAMP-PDE extracted from rabbit brain .

  18. 目的评价动脉自旋标记技术(ASL)在慢性脑缺血灌注分析中的临床应用价值。

    Objective To implement an arterial spin labeling ( ASL ) technique that is feasible in routine examinations and to evaluate the clinical application of the method for imaging blood flow in cerebral ischemia .

  19. 用偏振光显微镜法和核磁共振氢谱法(2HNMR)确定了Tween80/nC8H17OH/H2O体系25℃时层状液晶的区域,用自旋标记电子自旋共振法(ESR)测定了层状液晶分子排列的有序参数。

    The lamellar liquid crystal has diagram for Tween 80 / n C 8H 17 OH / H 2O was verified at 25 ℃ by the polarizing microscope and 2H NMR . ESR is used to determine order parameter of lamellar liquid crystal in the phase diagram .

  20. 本实验研究目的:建立采用位置定向自旋标记-电子顺磁共振(SDSL-EPR)技术研究蛋白质结构的方法,获得LSECtin的CRD的构象运动性的信息。

    The purpose of this research is to construct the method of studying protein conformations with application of site-directed spin labeling electron paramagnetic resonance spectroscopy and to get the information of the mobility and structure changes during function of CRD .

  21. 本文比较了经胆酸处理和对照样品的马未酰亚胺自旋标记的F1-F0酶复合体的ST-EPR波谱,二者波谱呈现明显不同的形态。

    The ST-EPR spectra of the cholate treated and control F1-F0 complex samples spin labeled with maleimide were measured . The results indicate that the ST-EPR spectra of the former is significantly different from that of the latter .

  22. 本实验分别以ESR自旋标记法,采用两种脂肪酸自旋标记物5-DSA和16-DSA及TBA比色法测定大鼠离体心脏缺血,再灌注时心肌线粒体膜流动性及脂质过氧化物含量;

    The membrane fluidity of myocardial mitochondria isolated from Langendorff perfused rat hearts was studied by 5-DSA and 16-DSA spin label with ESR spin labeling technique , TBA method was used to detect the content of lipid Peroxides in the mitochondria .

  23. 用两种脂肪酸自旋标记物5-doxyl和16-doxyl研究了acd-b库存血保存期间红细胞膜的流动性及其温度相关性。

    Two fatty acid spin label , 5-doxyl stearic acid and16-doxyl stearic acid , were used to investigate the fluidity of human erythrocyte membranes and its temperature relevances during a35-day period of blood preservation in acd-b anticoagulant .

  24. W/S值随自旋标记物分子链长的增加而增大,与膜蛋白巯基结合位置呈圆锥形,其深度为15.33A;

    W / S increased with the increase of the chain length , the shape of binding sites between 5 chain lengths and the membrane protein SH were conical , and their depths were more than 15.33A .

  25. 动脉自旋标记成像在颅脑疾病诊断中的应用研究

    Applied Research of Arterial Spin Labeling in Diagnosis of Craniocerebral Diseases

  26. 自旋标记鬼桕类化合物圆二色谱的研究

    Studies on the Circular Dichroism of Spin - Labeled Derivatives of Podophyllotoxin

  27. 顺式铂自旋标记配合物对人红细胞膜通透特性的研究

    Study of permeability of CIS-SPIN labeled platinum complexes through human erythrocyte membrane

  28. 胸腺相关肽及其自旋标记类似物的抗氧化活性研究

    Studies on the Anti-oxidative Activity of Thymus-related Peptides and Their Spin-labelled Analogs

  29. 电子自旋标记方法对天青蛋白特征分析

    Analyse the Character of Azurin by Electron Spin Label Method

  30. 自旋标记抗癌药物&GP-7合成方法的研究

    Study on the Synthetic Method of Spin Labelling Anticancer Drug GP 7