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Electrochemical analysis of nitric oxide with the emulsion in imitational of living body

Electrochemical analysis of nitric oxide with the emulsion in imitational of living body
模拟活体乳液一氧化氮的电化学分析
批准号:
14540556
负责人:
CHEN Jingyuan
金额:
$2.3万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2003
资助国家:
日本
项目状态:
已结题
起止时间:
2003 至 --

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中文摘要
翻译
去年获得了单个油滴在水中的电化学数据,作为乳状液体系电极反应的模型,并将其应用于今年乳状液的油水界面上的离子运动。这些结果由9篇论文报道。当乳液分散在水中时,油滴中存在的氧化还原物种发生电极反应。反应伴随着离子对的转移,同时导致液滴的合并(文献4)。我们用视频显微镜观察了在电位作用下油滴与电极接触角的变化,并从油滴间界面作用力的变化来讨论相互作用。为了得到稳定的界面模型,我们将聚苯乙烯乳胶表面视为稳定的油滴表面。合成了含有氧化还原物种二茂铁的胶乳(文献3)。胶乳…的反应更多的S表现为部分电荷转移,因此胶乳的氧化还原物种转变为聚苯胺,这与在薄膜中的反应不同。研究了聚苯胺包覆胶乳的反应不可逆性(文献2)。将油水界面发展为金属I溶液界面。讨论了纳米银悬浮的分布条件及其电极反应(文献5)。为了获得一氧化氮在活体薄膜尺度上反应现象的基础数据(文献6),用纳米尺度详细地描述了相间界面。解决了NO2电化学生成NO的过程。首先,当施加负电位-0.25V vs.Ag|AgCl时,NO2与铁卟啉[Fe^<ll>(TMPyP)]^<4>生成不稳定的中间体[Fe^<ll>(NO2)(TMPyP)]^<3>;然后在磷酸盐缓冲溶液(pH 7.4)中转变为稳定的配位Fe^<最后,[Fe^<ll>(NO)(TMPyP)][Fe^<ll>(NO)(TMPyP)]^<4>溶液中的NO最终可以从[Fe^<ll>(NO)(TMPyP)]^<4>溶液中释放出来。目前,一氧化氮在油水界面的电化学分析和模拟活体的乳化基础正在进行。较少
英文摘要
The electrochemical data of single oil droplet in water were got as a model of the electrode reaction of emulsion system in the last year.It was applied to the movement of the ions which are brought on the oil water interface of emulsion in this year. Those results were reported by 9 papers.The electrode reaction of redox species which exists in oil droplet occur when emulsion which oil droplets dispersed in water was applied potential.The reaction accompanied with transferal of the pair ion induces a coalescence of droplets at same time (paper 4).We observed the variance of contact angles between oil droplet and electrode when potential was applied by a video microscope, then discussed the interaction that from the alteration of interface force between oil droplets.In order to get a model of stable interface, we think about the polystyrene latex surface as a stable oil droplet surface. The latexes contained redox species, ferrocene, were synthesized (paper 3).Those reactions of latexe … More s show the partial charge transfer.So the redox species of latex was changed to polyaniline.It was different from the response in a film. The reaction of polyaniline coated latex became irreversible (paper 2).An oil I water interface was developed into the metal I solution interface.The distributed condition of suspension of silver nanoparticle and an electrode reaction of them were discussed (paper 5).In order to get the fundamental data of the phenomenon of nitric oxide which reacting in a film scale of the living body, the interface between phases was minutely described by nanometer scale (paper 6).The process of electrochemical generation of NO from N0_2 has been solved. First, N0_2 coordinated with iron porphyrin [Fe^<ll>(TMPyP)]^<4+> to yield a unstable intermediate, [Fe^<ll>(NO_2)(TMPyP)]^<3+> when applied negative potential -0.25 V vs.Ag|AgCl.Then it was changes to a stable coordinated Fe^<ll>(NO)(TMPyP)]^<4+> in a phosphate buffer solution (pH7.4). Finaly, NO can be' released from [Fe^<ll>(NO)(TMPyP)]^<4+> solution by applied a positive potential 0.8 V vs.Ag|AgCl.At present, electrochemical analysis of nitric oxide in oil | water interface and the emulsion basis of imitational of living body are operating. Less
期刊论文(48)
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K.Aoki, P.Tasakorn, J.Chen: "Electrode reactions at nanometer-scaled oil|water|electrode interfaces"J.Electroanal.Chem.,. 542. 51-60 (2003)
K.Aoki、P.Tasakorn、J.Chen:“纳米级油|水|电极界面处的电极反应”J.Electroanal.Chem.,。
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J.Chen, K.Aoki, C.Xu: "Suspensions of poly(vinylferrocene)-coated latex particles"J.Electroanal.Chem.. 546. 79-86 (2003)
J.Chen、K.Aoki、C.Xu:“聚(乙烯基二茂铁)涂覆的乳胶颗粒的悬浮液”J.Electroanal.Chem.. 546. 79-86 (2003)
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J.Yoshida, J.Chen, K.Aoki: "Electrochemical coalescence of nitrobenzene|water emulsions"J.Electroanal.Chem.. 553. 117-124 (2003)
J.Yoshida、J.Chen、K.Aoki:“硝基苯|水乳液的电化学聚结”J.Electroanal.Chem.. 553. 117-124 (2003)
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J.J.Watkins, J.Chen, H.S.White, H.D.Abruna, E.Maisonhaute, C.Amatore: "Zeptomole Voltammetric Detection and Electron-Transfer Rate Measurements Using Platinum Electrodes of Nanometer Dimensions"Anal.Chem.. 75. 3962-3971 (2003)
J.J.Watkins、J.Chen、H.S.White、H.D.Abruna、E.Maisonhaute、C.Amatore:“使用纳米尺寸铂电极进行 Zeptomole 伏安检测和电子转移率测量”Anal.Chem.. 75. 3962-3971 (2003
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10
    Reversibility-increasing technique of the electric double layer capacitor by latex particles
    • 批准号:
      25420920
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
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    • 财政年份:
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    • 负责人:
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    • 依托单位:
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    • 批准号:
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    • 项目类别:
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    • 资助金额:
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    • 负责人:
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    • 批准号:
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    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
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    • 财政年份:
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    • 负责人:
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