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3篇 您的检索式:作者名="FengLinZHAO"
    题名 作者 年代 出处 被引量
1Spectrophotometric Study on the Interaction between Arsenazo M and Proteins显示文摘Arsenazo M could bind with bovine serum albumin to form a complex in Clark-Lube buffer at pH 2.3 and room temperature, which gives a maximum absorption peak at 625 nm with a red shift of 75 nm compared with that of Arsenazo M itself. The apparent molar absorptivity of the BSA-Arsenazo M complex is 3.21105 Lmol-1cm-1. The linear ranges for protein determination are wide (at least 0-100 mg/mL).QiuLuanHU FengLinZHAO2002Chinese Chemical Letters2002,13,1:17
2Molecular Spectroscopic Study on the Interaction between Heparinand Neutral Red显示文摘The interaction between heparin and neutral red was investigated by molecular spectroscopic methods. The change of all spectra suggested that positively charged neutral red had interacted with negatively charged heparin. The study of influence factors indicated that electrostatic force and hydrophobic bond might be involved in the interaction. The total binding number per disaccharide unit and intrinsic binding constant were obtained using Scatchard model.LiZHANG NaLI FengLinZHAO KeAnLI 2004Chinese Chemical Letters2004,15,6:1
3Spectrophotometric Study on the Interaction of Water with Chloranilic Acid and its Analytical Application显示文摘The reaction between chloranilic acid and water in alcohol was studied spectrophotometrically. The conditions of reaction were investigated in detail. The stable purple complex with an absorption wavelength at 530 nm was produced from the reaction between chloranilic acid and water. As a method for determination of H2O, Beer’s law was obeyed in range of 0-6.0 % or 0-8.0 % (V/V) with the detection limit of 0.13 %. The relative standard deviation (RSD) was less than 2 %. The proposed method has been applied to determination of trace amount of water in ethanol, flour and food flavoring, respectively. The recoveries of water in samples were 97~102 %.FengLinZHAO XiLanFENG XueJingLIU NaLI KeAnLI 2005Chinese Chemical Letters2005,16,7:1
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