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	1. Fe-modified activated carbon fiber and its application for Fenton degradation of Rhodamine B
	TANG Dandan,CHEN Long,ZHANG Gaoke
	Environmental Science and Techology 01 December 2015
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	Abstract:An efficient Fe-modified activated carbon fiber (ACF-Fe) was successfully prepared as a heterogeneous catalyst for Fenton egradation of Rhodamine B by in situ physical and chemical activation method. X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) analysis confirm the existence of the Fe3O4 nanoparticles in the ACF-Fe catalyst. N2 adsorption-desorption analysis shows the specific surface area of the ACF-Fe could reach 432 m2/g. It is a typical microporous material. The catalytic activity of the ACF-Fe catalyst was evaluated by the degradation of Rhodamine B (RhB 100 mg/L) in the presence of hydrogen peroxide (H2O2) in the dark. The removal rate of RhB was over 95 % and the COD removal percentage was over 75 % by ACF-Fe/H2O2 Fenton system. Moreover, the catalyst still showed good catalytic property after being recycled for five times. Finally, a possible catalytic mechanism was proposed.
	TO cite this article:TANG Dandan,CHEN Long,ZHANG Gaoke. Fe-modified activated carbon fiber and its application for Fenton degradation of Rhodamine B[OL].[ 1 December 2015] http://en.paper.edu.cn/en_releasepaper/content/4666728


	2. The Influence of Adsorbed NOx Stability on NOx Trap Capacity below 200 ℃: Ceria-Zirconia Containing LNT Catalysts
	WANG Xinquan,LV Liangfang,ZHANG Qingqing,ZHANG Yuewei,WANG Jun,SHEN Meiqing
	Environmental Science and Techology 17 December 2012
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	Abstract:The NOx trap capacity has been investigated by temperature programmed adsorption (TPA) experiments over a variety of Ce/Zr-containing catalysts. A fresh (F) or aged (A) Ce/Zr component, such as Ce0.58Zr0.42O2 (CZ64) or Ce0.80Zr0.20O2 (CZ82), was physical mixed with Pt/Al2O3 (PA) to form a Ce/Zr-Pt/Al2O3 mixture. PA-FCZ64, PA-FCZ82 and PA-ACZ64 show significant improvement in slowing down the premature NO release as temperature ramp from 100 to 150 ℃ However, an obvious NO release occurs on PA-ACZ82 under the same conditions. Using in situ DRIFT spectrometer, we found that nitrites oxidation by lattice oxygen of Ce/Zr was promoted on the fresh samples. It results in low coverage of nitrite with high stability. On the other hand, a large amount of nitrite was formed on PA-ACZ82, which could desorb upon increasing temperature. XPS results show a surface enrichment of Zr on the Ce/Zr samples, and the degree of the enrichment on CZ64 is higher than that on CZ82 for both fresh and aged samples. Segregation of CeO2 from the Ce/Zr phase have occurred on ACZ82, resulting in a lower stability of the nitrite species.
	TO cite this article:WANG Xinquan,LV Liangfang,ZHANG Qingqing, et al. The Influence of Adsorbed NOx Stability on NOx Trap Capacity below 200 ℃: Ceria-Zirconia Containing LNT Catalysts[OL].[17 December 2012] http://en.paper.edu.cn/en_releasepaper/content/4500814


	3. Identification and characterization of cell wall proteins of a toxic dinoflagellate Alexandrium catenella using 2-D DIGE and MALDI TOF-TOF mass spectrometry
	WANG Dazhi,DONG Hongpo,LI Cheng,XIE Zhangxian,LIN Lin,HONG Huasheng
	Environmental Science and Techology 30 March 2011
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	Abstract:Cell wall is an important subcellular component of dinoflgaellate cells in regard to various aspects of cell surface associated ecophysiology but the full range of cell wall proteins (CWPs) and their functions remain to be elucidated. This study identified and characterized CWPs of a toxic dinoflagellate, Alexandrium catenella using a combination of 2-D fluorescence difference gel electrophoresis (DIGE) and MALDI TOF-TOF mass spectrometry approaches. Using sequential extraction and temperature shock methods, sequentially extracted CWPs and protoplast proteins were separated from A. catenella, respectively. Comparison between sequentially extracted CWPs labeled with Cy3 and protoplast proteins labeled with Cy5, 120 CWPs were confidentially identified in the 2-D DIGE gel. These proteins gave positive identification of protein orthologues in the protein database by de novo sequence analysis and homology-based search. Majority of the prominent CWPs identified were hypothetical or putative proteins with unknown function or no annotation, while cell wall modification enzymes, cell wall structural proteins, transporter/binding proteins, signaling and defense proteins were tentatively identified in agreement with the expected role of the extracellular matrix in cell physiology. This work represents the first attempt to investigate CWPs of dinoflagellates which provides a potential tool for future comprehensive characterization of CWPs and elucidation of physiological functions of CWPs in dinoflagellates.
	TO cite this article:WANG Dazhi,DONG Hongpo,LI Cheng, et al. Identification and characterization of cell wall proteins of a toxic dinoflagellate Alexandrium catenella using 2-D DIGE and MALDI TOF-TOF mass spectrometry[OL].[30 March 2011] http://en.paper.edu.cn/en_releasepaper/content/4419286


	4. Fluorescence-enhanced based on multi-walled nanotubes and cupral system for copper（Ⅱ）determination
	Yang Yanlin
	Environmental Science and Techology 21 September 2009
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	Abstract:A novel, sensitive and convenient determine technology based on the enhancing of the fluorescence intensity of multi-walled nanotubes (MWNTs(by copper(Ⅱ)and cupral complex was proposed.The MWNTs had the fluorescence at 367nm when excited at 230nm, when Cu2+ was added into the MWNTs and cupral system, it induces the enhancing of fluorescence emission at 367nm. Under optimum condition, the fluorescence intensity versus Cu2+ concentration gave a linear response with an excellent 0.99921 correlation coefficient, the linearity range of the calibration curve was 2.67×10-6 molL-1to 5.3×10-6 molL-1, the limit of detection(3σ/k) is 4.09×10-7molL-1, the concentrations of Cu2+ with the synthetic samples were determined by proposed method with a satifactory result.
	TO cite this article:Yang Yanlin. Fluorescence-enhanced based on multi-walled nanotubes and cupral system for copper（Ⅱ）determination[OL].[21 September 2009] http://en.paper.edu.cn/en_releasepaper/content/35324

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