光敏作用
- 网络photosensitization;Photosensitation
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背景:紫外线A(ultravioletA,UVA)照射皮肤可产生红斑等急性炎症反应,导致皮肤光老化、皮肤光敏作用和多种皮肤疾病的发生,甚至诱发皮肤癌。
Background : Ultraviolet A ( UVA ) radiation can lead to acute inflammation ( such as erythema ), photoaging , photosensitization , skin diseases , and skin cancer .
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巴氏碳球C(60)对红细胞膜的光敏作用研究
The Studies of the Photosensitization of Buckyball C_ ( 60 ) on the Erythrocyte Membrane
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叶绿素衍生物光敏作用的ESR波谱研究
The study for ESR on the photosensitization of chlorophyll derivative
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HPD及合成卟啉化合物对HEP-2细胞的光敏作用比较
A Comparison Study of Photosensitization between HPD and Synthetic Porphyrins in Cultured HEP-2 Cells
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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 .
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HPD光敏作用也可破坏靶分子的空间排列或构象,从而导致膜结构的无序和损伤。
HPD photosensitization may also destroy the arrangement and conformation of target molecules , leading to the disorder and damage of the cell membrane structure .
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藻胆蛋白色素肽与癌光啉光敏作用的比较实验
Comparison Experiment of Photosensitive Effect between Phycobiliprotein Chromophore Peptide and Photofrin ⅱ
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光敏作用形成臭氧的量子产率和反应机构
Mechanism and quantum yield of ozone formation by mercury photosensitization
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体外人癌细胞经光敏作用后的损伤和恢复
Damage and Recovery of Human Cancer Cells in vitro ExPosed to HematoPorPhyrin Derivatives and Light
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在静电文件复印机中,利用光敏作用形成静电潜象的一种元件。
The element in an electrostatic document copying machine that is sensitive to light and on which the latent electrostatic image is formed .
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结论:研究显示光敏作用完全能栓塞较大的静脉,因而光敏法治疗静脉漏性阳痿有一定的可行性。
CONCLUSION : Photosensitization is quite capable of embolizing the rather large veins , therefore , the photosensitive treatment for venae impotence show certain feasibility .
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丙酮对三唑酮在水中的光解有极显著的光敏作用,光敏效率与丙酮添加量有显著相关性;
It was also found that acetone was an effective aid to improve photosensitivity of tfiadimefon to photolysis and its photosensitization rate was found distinctly related to its concentration .
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首次用结构明确、物化性质稳定的新型的水溶性卟啉研究了对红细胞膜的光敏作用。
We first study the photosensitization to the red cell membrane with a new type of porphyrin , whose structure is definite and whose physical and chemical characteristics are stable .
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血卟啉对癌细胞DNA光敏化作用的一种可能机制:促进DNA与蛋白质的交联
A possible mechanism for hematoporphyrin photosensitization on cancer cell dna : enhancement of DNA-protein crosslinking
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ICG在PDT中对HPD光敏反应作用机制的研究
Mechanism of ICG depressing HPD photosensitization
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随着蔗糖浓度的上升,花青素积累量增加。2.光敏色素作用因子(Phytochromeinteractingfactors,PIFs)是一类bHLH型转录因子,是光形态建成的负调节因子。
And the anthocyanin accumulation increased with sucrose concentrations increase . 2 . Phytochrome interacting factors ( PIFs ) are bHLH type transcription factors , which are negative regulators of photomorphogenesis .
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在pH<3.0体系中用可见光照射,能使RhB染料在光敏化作用下有效降解,反应160min后矿化率达到71.8%。
It was found that , in the system with pH < 3.0 , visible light irradiation significantly accelerates the degradation process by photosensitive effect . After 160 min the RhB was mineralized with a yield of 71.8 % .
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忍冬藤提取物光敏化作用的初步研究
Photosensitizing Effect of Two Extracts from Caulis Lonicerae : a Preliminary Study
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根据上述研究发现探讨了植物光敏素作用模式与不同向光性反应信号转导途径之间可能存在的相互关系。
Relation between phytochrome action modes and possible multiple pathways for phototropic signal transduction was analyzed based on the experiment results .
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近年来研究发现,某些中草药如姜黄素、黄柏、补骨脂素等具有一定的光敏活性作用。
Recent research has showed that some Chinese herds such as curcumin , cortex phellodendri , psoralen et al , have photodynamic reaction .
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硬脂酸铁和硬脂酸铈的光敏化作用相近,均优于二乙基二硫代氨基甲酸铁;
Iron ( stearic ) and cerium stearic have the same photosensitive action on the film , which is better than that of diethyl iron dithiocarbamate .
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结果表明,H2O2对水中乙草胺具有光敏化降解作用,其敏化作用效应与·OH有关;
The results showed that H_ 2 O_ 2 exhibited photosensitive effects related to · OH .
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H2O2通过光解产生·OH,从而对水中乙草胺表现出显著的光敏化降解作用。
H2O2 produced hydroxyl radical ( OH ) upon UV irradiation , then - OH proceeded to react with acetochlor , so that the photodegradation of acetochlor was greatly promoted .
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植物中与光敏色素相互作用的因子PIFs
Phytochrome Interacting Factors ( PIFs ) in Plant
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8&MOP对体外培养人癌细胞的光敏灭活作用
Study on photosensitive inactivation of 8-MOP for human tumor cells in vitro
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本文列举53科100多属的需光种子的材料,并对它的概念、类型、发生、萌发习性与条件、光敏素的作用及其生态学意义进行介绍与分析。
This paper cited 53 family over 100 genus in light need from background materials and mainly recommend and analyse their concept , types , occurrence , germination and conditions , phytochrome function and ecological significance .
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水解钛醇盐制备TiO2膜及其与光敏染料的相互作用
Preparation of TiO_2 Film through Hydrolysis of Titanium Butoxide and Interaction between Sensitizing Dyes and the Film
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光动力学疗法(简称PDT)治疗癌症是利用光和光敏药物的相互作用产生一种单态氧的物质,从而杀死恶性肿瘤组织。
Photodynamic therapy uses the interaction between the light and light sensitive drug to produce singlet oxygen to kill the cancer cells .
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本文用~(31)P核磁共振技术研究在光敏药物PhotofrinⅡ作用下,DNA分子光敏损伤过程中的构象变化,损伤程度以及该药物与DNA分子可能的结合方式。
The variation of conformation of DNA during its photosensitization damage rocess induced by the interaction of photofrin ⅱ was studied by 31P NMR spectroscopy . The degree of damage and the possible mode of complexation are discussed .
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β胡萝卜素对皮肤光敏反应的对抗作用
The antagonism of β carotene to skin photosensitive action