4篇
您的检索式：作者名="GuangHanLU"
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| 1 | A Multiwall Carbon Nanotube-chitosan Modified Electrode for Selective Detection of Dopamine in the Presence of Ascorbic Acid显示文摘A novel multiwall carbon nanotube-chitosan modified electrode has been prepared.The modified electrode resolves the overlapping voltammetric response of dopamine and ascorbicacid into two well-defined peak by 212 mV. The mechanism of discrimination of dopamine fromascorbic acid is discussed. Dopamine can be determined selectively with the carbonnanotube-chitosan modified electrode. The electrode shows good sensitivity, selectivity andstability. | LingYanJIANG ChuanYinLIU LiPingJIANG GuangHanLU | 2005 | Chinese Chemical Letters2005，16，2： | 6 |
| 2 | Simultaneous Determination of Dopamine and Uric Acid at 2-Amino-5-mercapto-[1, 3, 4]triazole Self-assembled Monolayers Gold Electrode显示文摘A newly synthesized reagent 2-amino-5-mercapto-[1, 3, 4]triazole (MATZ) has been usedto fabricate self-assembled monolayers (SAMs) on gold electrode for the first time. The SAMselectrode was characterized by electrochemical methods and scanning electronic microscopy (SEM),the SAMs electrode can be used to determinate dopamine (DA) and uric acid (UA) simultaneouslywith a detection limit of 8×10-7 mol/L for DA and 1×10-6 mol/L for UA respectively. The SAMscan also be used to detect the contents of DA and UA in synthetic urine sample with satisfactoryresults. | ChuanYinLIU LiZhuYANG FengSONG LingYanJIANG GuangHanLU | 2005 | Chinese Chemical Letters2005，16，2： | 1 |
| 3 | Determination of Surface pKa of Pure Mercaptoacetic Acid and 2-Mercaptobenzothiazole Mixed Monolayers by Impedance Titration显示文摘Interfacial proton transfer reactions of pure mercaptoacetic acid (MA) and 2-mercaptobenzothiazole (Mbz) mixed self-assembled monolayers (SAMs) have been studied using a.c. impedance titration method. The charge-transfer resistance (Rct) is measured with the monolayer composition and the ionic strength ofpH solution. The surface pKa can be obtained by the plots of Rct and pH, the reasons of shifts of surface pKa are also explained. | GuangHanLU ChuanYinLIU HongYanZHAO WeiLIU LiPingJIANG LingYanJIANG | 2004 | Chinese Chemical Letters2004，15，7： | 0 |
| 4 | Studies of Ce(Ⅲ)-ALC-F Interacting with Herring Sperm DNA by Electrochemical, Fluorimetric and UV-spectrophotometric Method显示文摘Ce(Ⅲ)-ALC-F^- complex can react with hsDNA to form an electrochemically non-active supermolecular complex Ce(Ⅲ)-ALC-F^--DNA in the buffer solution of (CH2)6N4(pH=4.9),which results in the decrease of the peak current of Ce(Ⅲ)-ALC-F^-.This method can be applied to determine DNA concentration.In addition,by using fluorimetric and UV-spectrophotometric methods with studies of denatured DNA and the effect of NaC1 solution,it is also found that the binding mode is intercalation. | GuangHanLU WeiLIU ChuanYinLIU LiPingJIANG FengSONG | 2004 | Chinese Chemical Letters2004，15，4： | 0 |
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