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photosensitive compounds
相关语句
  光敏化合物
     Superoxide dismutase activity was detected in the fourth instar larvae of cutworm Spodoptera litura and effects of the two photosensitive compounds, α-terthienyl and the synthesized compound lphenyl-4-(3, 4-methylene dioxy) phenyl-diacetylene(signified as compound No. 5), on superoxide dismutase activity, were compared under the specified condition.
     室内测试了斜纹夜蛾Spodoptera litura F. 4龄幼虫超氧物歧化酶的活性,并就α-三噻吩(α-terthienyl)和化合物5,即1-苯基-4-(3,4-亚甲基二氧)苯基-丁二炔等两种光敏化合物对其产生的影响进行了比较研究。
短句来源
     COMPARATIVE EFFECTS OF TWO PHOTOSENSITIVE COMPOUNDS ON SUPEROXIDE DISMUTASE ACTIVITY IN SPODOPTERA LITURA LARVAE
     两种光敏化合物对斜纹夜蛾超氧物歧化酶影响的比较研究(英文)
短句来源
     Assay of the gross content of oxygen radical in calli of barnyard grass induced by two photosensitive compounds under ultraviolet irradiation by ESR
     两种光敏化合物光诱导稗草细胞产氧自由基电子自旋共振的检测与分析
短句来源
     After treatment with photosensitive compounds and near ultraviolet irradiation, superoxide dismutase activity in vitro could be enhanced by the two chemicals, with α-terthienyl more effective, while in vivo it was hardly affected by the latter compound but could be inhibited by α-terthienyl.
     经光敏化合物处理后,在紫外光照下,超氧物歧化酶活体活力基本不受化合物5的影响,但能被α-三噻吩抑制。 离体情况下,两种化合物均促进其活力,α-三噻吩尤甚。
短句来源
     The technique of ESR was exploited to assay the gross content of oxygen radical inthe calli of barnyard grass,E. crusgalli,induced by two photosensitive compounds,alpha-ter-thienyl(α-T)and 1-phenyl-4-(3,4-methylenedioxy)-phenyl-diacetylene(compound 5),un-der UV-A.
     采用电子自旋共振光谱仪,检测两种光敏化合物α-三连噻吩(α-T)和1-苯基-4-(3,4-亚甲基二氧)苯基-丁二炔(简称化合物5)处理的稗草愈伤组织后,经近紫外光光照与非光照处理,诱导细胞内产氧自由基的总量。
短句来源
  “photosensitive compounds”译为未确定词的双语例句
     Photodynamic therapy (PDT), which was called photo radiation therapy (PRT) formerly, is a method by irradiating photosensitive compounds which had been injected into a patient's body with given wavelength light so that producing a series of chemical reactions, physical reactions, biological reactions for tumor diagnosis and tumor therapy.
     光动力疗法(photodynamic therapy,PDT),原称光辐射疗法(Dhotoradiation therapy,PRT),对肿瘤患者的静脉注射作为光敏剂的光敏性化合物,再用特定波长的光照射在一定的光敏物质后产生的一系列化学、物理、生物等反应以诊断和治疗肿瘤的一种方法,光动力疗法的治疗效果与所使用的光敏性化合物是有很大关系的,随着光敏剂的不同而显示出不同的疗效。
短句来源
     Photodynamic therapy (PDT) is a method by irradiating photosensitive compounds, which had been injected into a patient's body, with the given wavelength light it will produce singlet oxygen, which urge the putrescence of tumor tissue.
     光动力疗法(photodynamic therapy,PDT),对癌症患者的静脉注射作为光敏剂的光敏性化合物,再用特定波长的光照射,激发氧分子产生氧化能力极强的活性单线态氧来破坏肿瘤细胞促使恶性肿瘤组织发生坏死,进而达到治疗肿瘤的目的。
短句来源
     NEMATICIDAL ACTIVITY OF PERYLENEQUINONES PHOTOSENSITIVE COMPOUNDS
     苝醌类化合物的杀线虫活性
短句来源
     2,3,5,6-tetrafluorobenzyl alcohol is one of the most important intermediate in synthesis of medical products and pyrethroid insecticides-transfluthrin. It is also useful for pesticide and liquid crystals and photosensitive compounds.
     2,3,5,6-四氟苯甲醇是一种重要的医药中间体,也是新型杀虫剂拟除虫菊酯——四氟菊酯的中间体,也用于农药、光敏材料和液晶材料的合成。
短句来源
     This article mainly deals with a kind of novel photosensitive chitosan made from the mixture of photosensitive compounds and chitosan. Several series of photocrosslinked chitosan/poly vinyl alcohol (CTS/PVA) blend films were prepared and their structures were characterized.
     将壳聚糖与感光性物质混合制成感光性壳聚糖 ,再与聚乙烯醇按一定比例共混、成膜并进行光交联 ,制备了系列壳聚糖 (CTS) /聚乙烯醇 (PVA )光交联共混膜 ,并对共混膜的结构和性能进行比较 .
短句来源
  相似匹配句对
     NEMATICIDAL ACTIVITY OF PERYLENEQUINONES PHOTOSENSITIVE COMPOUNDS
     苝醌类化合物的杀线虫活性
短句来源
     A STUDY ON THE PHOTOSENSITIVE CHARACTERISTICS OF DIAZIDO-COMPOUNDS
     双叠氮化合物光敏性能的研究
短句来源
     Adjective Compounds
     妙解复合形容词
短句来源
     Target Compounds:
     目标化合物:
短句来源
     Photosensitive epilepsy
     光敏性癫痫(附5例报告)
短句来源
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  photosensitive compounds
However, in addition to photopigments, there may also exist other photosensitive compounds that mediate non-visual photoneuroendocrine responses.
      


Nifedipine is a photosensitive compound and subjected to degrada-tion in apparent first order reaction for its methanolic solution.The reaction rateconstant under diffused light is 1.6 times those under tungsten lamp.As for theinfluence of the initial concentration on reaction rate,kapp.5.28mg/100ml=13.28×10~(-3)min~(-1);kapp.42.60mg/100ml=3.81×10~(-3)min~(-1).

硝苯啶对光不稳定。在漫射光和钨灯光下其甲醇溶液的光解为表观一级反应,并受各种因素影响。本文报道波长、受光强度和浓度对光解的影响。在漫射光下表观速度常数为灯光下的1.6倍,而初始浓度降低可使反应速度常数扩大。

Nifediine is a photosensitive compound. The stability of the drug in different pH, organic solvents and in the presence of antioxidants was determined spectrophotometrically. The disappearance of nifedipine at lower concentrations was best described by apparent first-order kinetics. At higher concentrations zeroorder kinetics were followed. The drug was more stable at pH 5~8. The rate of photo-oxidation at pH 6 reached a minimun. The rate constant of the aqueous solutions of nifedipine is 1.2~1.3 times...

Nifediine is a photosensitive compound. The stability of the drug in different pH, organic solvents and in the presence of antioxidants was determined spectrophotometrically. The disappearance of nifedipine at lower concentrations was best described by apparent first-order kinetics. At higher concentrations zeroorder kinetics were followed. The drug was more stable at pH 5~8. The rate of photo-oxidation at pH 6 reached a minimun. The rate constant of the aqueous solutions of nifedipine is 1.2~1.3 times as much as that in the presence of NaHSO_3 or Na_2O_3. Nifedipine is photo-oxidized fastest in ethanol, then in ethyl ether and ethyl acetate, and slowest in toluene. Nifedipine is very stable to degradation when irradiated under sodium light. K_(app)=1.442×10~(-2) h~(-1), t_(1/2)=69.26 h.

硝苯吡啶对光不稳定。本文用紫外光谱法研究该药在不同pH、有机溶剂和抗氧剂作用下的稳定性。硝苯吡啶低浓度时光解反应呈表观一级反应,高浓度时为零级反应;在pH 5~8的范围内较稳定,以pH 6时光解速度最慢;无抗氧剂存在下的光解速度常数是有NaHSO_3或Na_2S_2O_3存在下的1.2~1.3倍。硝苯吡啶在乙醇中光解最快,其次为乙醚,乙酸乙酯,在甲苯中光解最慢。硝苯吡啶在钠光下很稳定,其光解的表观常数K_(表观)为1.442×10~(-2)h~(-1),半衰期t_(1/2)为69.26h。

Superoxide dismutase activity was detected in the fourth instar larvae of cutworm Spodoptera litura and effects of the two photosensitive compounds, α-terthienyl and the synthesized compound lphenyl-4-(3, 4-methylene dioxy) phenyl-diacetylene(signified as compound No. 5), on superoxide dismutase activity, were compared under the specified condition. Results indicated that the near ultraviolet irradiation (300-400 nm) almost had no effect on superoxide dismutase activity in vivo in the control...

Superoxide dismutase activity was detected in the fourth instar larvae of cutworm Spodoptera litura and effects of the two photosensitive compounds, α-terthienyl and the synthesized compound lphenyl-4-(3, 4-methylene dioxy) phenyl-diacetylene(signified as compound No. 5), on superoxide dismutase activity, were compared under the specified condition. Results indicated that the near ultraviolet irradiation (300-400 nm) almost had no effect on superoxide dismutase activity in vivo in the control larvae but could decrease superoxide dismutase activity in vitro. After treatment with photosensitive compounds and near ultraviolet irradiation, superoxide dismutase activity in vitro could be enhanced by the two chemicals, with α-terthienyl more effective, while in vivo it was hardly affected by the latter compound but could be inhibited by α-terthienyl. This suggested that the larvae treated by α-terthienyl were more susceptible to light than that by the latter compound whenever in vivo or in vitro. The possible mechanisms of action of the two photo-activated compounds were discussed.

室内测试了斜纹夜蛾Spodoptera litura F. 4龄幼虫超氧物歧化酶的活性,并就α-三噻吩(α-terthienyl)和化合物5,即1-苯基-4-(3,4-亚甲基二氧)苯基-丁二炔等两种光敏化合物对其产生的影响进行了比较研究。结果表明,近紫外光照(300-400nm)基本不影响对照幼虫超氧物歧化酶活体(invivo)活力,但对其离休(in vitro)活力有抑制作用。经光敏化合物处理后,在紫外光照下,超氧物歧化酶活体活力基本不受化合物5的影响,但能被α-三噻吩抑制。离体情况下,两种化合物均促进其活力,α-三噻吩尤甚。表明无论在离体还是活体情况下,幼虫对α-三噻吩均比化合物5具有更高的光敏性。对两种光敏化合物可能的作用机理进行了探讨。

 
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