Theoretical Study on the Structures and Electronic Spectra of the Derivatives of C_(60)-P-2,4,6-Triphenyl Borazinc

1 INTRODUCTION The electron-transfer reaction of C60 derivatives, especially light-induced electron-transfer reaction, has been an active research field for a long time. Many researches are focused on the long-live charge- separated state caused by electron-transfer[1]. And several electron-transfers between electron donor and C60 or intramolecular electron-transfer have been confirmed. As an example, TTF-C60 is proved to be a short-live charge-separated compound[2].Due to the excelle…     

TETRABUTYLAMMONIUM－TETRACYANOQUINODIMETHANE AS ELECTRON－TRANSFER MEDIATOR IN AMPEROMETRIC GLUCOSE SENSOR

ＴＥＴＲＡＢＵＴＹＬＡＭＭＯＮＩＵＭ－ＴＥＴＲＡＣＹＡＮＯＱＵＩＮＯＤＩＭＥＴＨＡＮＥＡＳＥＬＥＣＴＲＯＮ－ＴＲＡＮＳＦＥＲＭＥＤＩＡＴＯＲＩＮＡＭＰＥＲＯＭＥＴＲＩＣＧＬＵＣＯＳＥＳＥＮＳＯＲ￥ＣｈａｎｇＱｉｎｇＳＵＮ；ＷｅｎＢｅＳＯＮＧ；ＤｕｏＺ...     

A New Chemiluminescence Amplification Reaction for the Determination of HRP and Labelled HRP

A new chemiluminescence amplification reaction has been developed, which is on the coupling of the oxidation of Eosin by hydrogen peroxide under the catalysis of HRP at pH 3. 5 to the chemiluminescent reaction of luminol and hydrogen peroxide catalyzed by HRP at pH 10 to measure the activity of HRP and labelled-HRP. The detection limit of HRP is 10-10 g/mL. The lowest dilution ratio of HBsAb-HRP is 1 : 1. 8×102 and 1 : 106 for the direct method and coupled method respectively.     

介紹在課外活动中自制的气体發生器

一.使用的材料与制法:見下圖及說明: 1.小橡皮管;2.較大的橡皮管;3.截断的小玻璃管;4.玻璃直管,長10厘米,口徑为1.2厘米;5.有孔的小軟木塞;6.眼药水滴管上的橡皮盖子,用鑽孔器鑽一略小於玻璃直管的孔;7.眼药水滴管,下端的管口在酒精灯上灼红封閉;8.木座,木座上的虛線表示用圓鑿所     

CHARACTERIZATION AND CATALYTIC PERFORMANCE OF PLATINUM SUPPORTED ON Sn-MgAl_2O_4

IntroductionSupportedPt-Sncatalystsareimpo~inthepdrileumandpthechendcalindustricsbecauseoftheirsuperiorcatalyticperformances.Forexample,Pt-Snsupportedonaneutralsupporthasbeenreportedtoexhibithighdehydrogenationselectivityanddebilitythansupportedplatinumca…     

Synthesis and Crystal Structure of a Copper(II) Complex with a Tab-Tab Disulfide Ligand (Tab-Tab)[CuBr_4](Tab=Trimethylammoniumphenyl-4-thiolate)

1 INTRODUCTION In the past decades, metal disulphides have recei- ved much attention due to their diversity struc- tures[1~4] and applications as potential ligands for metal ions in biological system[5]. Metal disulfide compounds are usually prepared from the direct reactions of metal ions with organic disulphide[1~5], while some others are isolated from the reactions of metal salts and thiolates with the presence of certain oxidizing agents (e.g., O2, H2O2, etc.)[6, 7]. A large number o…     

Electrocatalysis of Metalloporphyrins(Ⅷ)——Electrocatalytic Reduction of Molecular Oxygen with Water-Soluble Cobalt (Ⅱ) Tetrakis(4-Trimethyl Ammonium Phenyl) Porphyrin Catalyst

Reported here is the electrocatalytic reduction of molecular oxygen in the presence of water-soluble cobalt(Ⅱ) tetrakis(4-trimethyl ammonium phenyl) porphyrin (Co(Ⅱ)TTAPP) as catalyst in solutions of various pH values. The overpotential of molecular oxygen reduction is reduced by ca. 200-400 mV in acidic and neutral solutions compared with several decades of millivolts in alkaline solutions, indicating that Co(Ⅱ)TTAPP possesses much higher catalytic activity in acidic and neutral solutions than in alkaline. H2TTAPP in solutions of various pH exhibits no significant catalytic activity for oxygen reduction. The significant difference in the electrocatalytic activity of Co(Ⅱ)TTAPP from that of H2TTAPP for oxygen reduction indicates that the electrocatalytic activity of Co(Ⅱ)TTAPP should be attributed to the central cobalt atom (Co(Ⅱ)) coordinated by N4 internal ring in Co(Ⅱ)TTAPP. The total number of electrons involved in oxygen reduction electrocatalyzed by Co (Ⅱ)TTAPP is 2, and the product of suc     

The Photopolymerization Kinetics of Acryl amide Sensitized with Toluidine Blue-Alcoholamine Induced by He-Ne Laser

Toluidine blue(TB) is a good sensitizer for the polymerization of acrylnmide(AM) induced by He-Ne laser. With TB as a sensitizer and various alcoholamine as donors, the photoredox of TB and the polymerization kinetics of AM induced by He-Ne laser were investigated. It was found that either for the photoredox of TB or for the polymerization of AM, the activity of alcoholamine increases in the order of EOA相似文献   

Synthesis，X－ray Structure and Spectral Propertiesofa Tetra－component Heteropoly Compound

Ｓｙｎｔｈｅｓｉｓ，Ｘ－ｒａｙＳｔｒｕｃｔｕｒｅａｎｄＳｐｅｃｔｒａｌＰｒｏｐｅｒｔｉｅｓｏｆａＴｅｔｒａ－ｃｏｍｐｏｎｅｎｔＨｅｔｅｒｏｐｏｌｙＣｏｍｐｏｕｎｄＺＨＡＮＧＨｅｎｇ－ｂｉｎ，ＹＡＮＧＧｕａｎｇ－ｄｉ，ＱＩＸｉｎｇ－ｙｉａｎｄＬＩＳｈｕ...     

Piezoelectric Fiber－optic Spectroelectrochemistry──A New Technique of Spectroelectrochemistry in Combination With Piezoelectric Quartz Crystal Detection

ＰｉｅｚｏｅｌｅｃｔｒｉｃＦｉｂｅｒ－ｏｐｔｉｃＳｐｅｃｔｒｏｅｌｅｃｔｒｏｃｈｅｍｉｓｔｒｙ──ＡＮｅｗＴｅｃｈｎｉｑｕｅｏｆＳｐｅｃｔｒｏｅｌｅｃｔｒｏｃｈｅｍｉｓｔｒｙｉｎＣｏｍｂｉｎａｔｉｏｎＷｉｔｈＰｉｅｚｏｅｌｅｃｔｒｉｃＱｕａｒｔｚＣｒ...