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| 1 | Enhanced electrocatalytic oxidation of dyes in aqueous solution using cobalt phthalocyanine modified activated carbon fiber anode显示文摘Cobalt tetra(2,4-dichloro-1,3,5-triazine)aminophthalocyanine(CoPc)was immobilized covalently on activated carbon fiber(ACF)felt to obtain CoPc-modified ACF(CoPc-ACF)catalyst,and an electrocatalytic oxidation system using CoPc-ACF as the anode was constructed.The electrocatalytic oxidation of Acid Red 1(AR1)was investigated in aqueous solution by an UV-vis spectrophotometer and UPLC.The results indicated that AR1 could be eliminated efficiently in this electrocatalytic oxidation system.In addition,the results of FTIR,TOC and GC-MS suggested that the electrocatalytic oxidation experienced the decoloration achieved by destroying the azo linkage and the further mineralization due to the cleavages of benzene ring and naphthalene ring.The intermediates were mainly small molecular compounds such as maleic acid and succinic acid,etc.Repetitive tests showed that CoPc-ACF can maintain high electrocatalytic activity over several cycles.The further EPR spin-trap experiments indicated that the hydroxyl radicals did not dominate the reaction in this electrocatalytic system,which was completely different from the traditional electro-Fenton system.Based on the non-radical reaction mechanism,the CoPc-modified ACF electrocatalyst has potential application in treating actual dyestuffs wastewaters,which are accompanied with high concentration of hydroxyl radical scavengers such as chlorine ions and additives in the textile printing and dyeing industry. | LI Nan DONG SuSu LV WangYang HUANG SanQing CHEN HaiXiang YAO YuYuan CHEN WenXing | 2013 | Science China Chemistry2013，56，12： | 2 |
| 2 | Lipid profiling of mammalian cells with in situ matrix-assisted laser desorption ionization-mass spectrometry显示文摘The analysis of cellular lipids and phospholipids has been of continuously increasing research interest due to the importance of these molecules in psychological process.In this work,a mass spectrometry-based method for direct,in situ analysis of lipids in cells was reported.Mammalian cells were directly cultured on ITO-coated glass and then analyzed by matrix-assisted laser desorption ionization-mass spectrometry(MALDI-MS).The matrix application process was achieved by electrospray coating,which produced a homogenous layer of matrix crystal on the sample.The detection results and reproducibility are satisfactory.With this method,a profile of abundant membrane lipids is generated,which is characteristic of cell type.In conclusion,this in situ MALDI-MS cellular lipid analysis method provides a platform for sensitive and robust molecular profiling of mammalian cells. | ZHANG YanDong LI HaiFang MA Yuan LIN JinMing | 2014 | Science China Chemistry2014，57，3： | 1 |
| 3 | TiO_2/ITO膜的液相沉积法制备及其用于4-氨基安替比林降解的光电催化活性(英文)显示文摘利用液相沉积(LPD)法在ITO表面制备TiO2薄膜。光电流和交流阻抗(EIS)测试表明,这种TiO2/ITO液相沉积膜具有良好的光电性能,对紫外光产生灵敏、快速的电流响应,在此膜电极上通过施加一定的阳极偏压可有效分离光生电子-空穴对。将TiO2/ITO膜用于4-氨基安替比林的光电催化降解研究,与其他方法相比,利用此液相沉积膜电极的光电催化技术对于4-氨基安替比林的降解具有明显的协同效果,适合于该污染物的降解处理。当外加阳极偏压为+0.8 V,支持电解质Na2SO4浓度为0.1 mol/L,溶液pH为2.0时,0.1 mmol/L 4-氨基安替比林120 min的光电催化降解效率最高可达95%。 | 李丹 童海霞 张玲 | 2013 | Transactions of Nonferrous Metals Society of China2013，23，11： | 0 |
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