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Nano-Micro Letters 2025年第2期17卷 169-186页

作者： Bitgaram Kim Myeong‑Chang Sung Gwang‑Hee Lee Byoungjoon Hwang Sojung Seo Ji‑Hun Seo Dong‑Wan Kim department of Materials Science and Engineering Korea University145 Anam‑RoSeongbuk‑GuSeoul 02841Republic of Korea School of Civil Environmental and Architectural EngineeringKorea University145 Anam‑RoSeongbuk‑GuSeoul 02841Republic of Korea Materials Science and Chemical Engineering Center Institute for Advanced Engineering(IAE)Yongin 17180Republic of Korea

A critical challenge hindering the practical application of lithium–oxygen batteries(LOBs)is the inevitable problems associated with liquid electrolytes,such as evaporation and safety *** study addresses these problems by proposing a modified polyrotaxane(mPR)-based solid polymer electrolyte(SPE)design that simultaneously mitigates solvent-related problems and improves ***-SPE exhibits high ion conductivity(2.8×10^(−3)S cm^(−1)at 25℃)through aligned ion conduction pathways and provides electrode protection ability through hydrophobic chain *** this mPR-SPE into solid-state LOBs resulted in stable potentials over 300 *** situ Raman spectroscopy reveals the presence of an LiO_(2)intermediate alongside Li_(2)O_(2)during oxygen *** situ X-ray diffraction confirm the ability of the SPE to hinder the permeation of oxygen and moisture,as demonstrated by the air permeability *** present study suggests that maintaining a low residual solvent while achieving high ionic conductivity is crucial for restricting the sub-reactions of solid-state LOBs.

关键词： Solid polymer electrolyte Lithium-oxygen batteries Polyrotaxane ion conductivity Hydrophobic chain

Synthesis, Characterization and Cytotoxicity of Ammine/Methylamine Platinum(Ⅱ) Complexes with Carboxylates

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Chemical Research in Chinese Universities 2006年第3期22卷 278-282页

作者： ZHANG Jin-chao SHEN Yong YANG Meng-su department of chemistry College of Chemistry ＆ Environmental Science Hebei University Baoding 071002 P. R. China department of biology and chemistry City University of Hong Kong Hong Kong P. R. China

Seven novel platinum （Ⅱ） complexes [ Pt（Ⅱ）（NH3）（CH3NH2）X2] （Ⅰ-Ⅶ ）（ X： CH3COO^-, CH2CICOO^- , CHCI2COO^- , C6H5-COO^- , p-CH3O--C6H4-COO^- , p-NH2-C6H4-COO^- , p-NO2--C6H4- COO^-） were prepared and characterized by means of elemental analysis, molar conductivity, thermal analysis, IR, UV, and ^1H NMR spectrometries. The cytotoxicity against HCT-8, BGC-823, MCF-7, EJ, and HL-60 cell lines increases in the following sequence： cisplatin 〉 Ⅳ 〉 Ⅴ 〉 Ⅵ 〉 Ⅶ 〉 Ⅰ 〉 Ⅱ 〉 Ⅲ. Moreover, the complexes （ Ⅰ --Ⅻ） display substantially greater activities agaist EJ and HL-60 cell lines than those against the cell lines from other carcinomas. They can induce a concentration-dependent accumulation of HL-60 cells in the G2/M phase of the cell cycle as cisplatin. There is no significant correlation between total DNA platination levels and cytotoxicity of the complexes.

关键词： Ammine/methylamine platinum(Ⅱ) complex Synthesis Cytotoxicity Cell cycle: DNA-binding

Optimization of Fenton pretreatment for 2-chlorophenol solution

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Journal of Central South University 2013年第10期20卷 2791-2795页

作者：贺仲兵刘云国肖玉 College of environmental Science and Engineering Hunan University Key Laboratory of environmental biology and Pollution Control Ministry of Education (Hunan University) department of chemistry Kaili University

Fenton oxidation was used as the pretreatment of 2-chlorophenol wastewater with the objective of dechlorination, as it was considered that after breakage of aryl—Cl bond, the generated intermediates may be easily biodegraded. Hence, the optimization of pH and the low Fenton reagent doses for dechlorination was investigated. More than 99% dechlorination is obtained at the optimal pH 4 and the Fenton reagent doses of 86 mmol/L H2 O2 and 2.87 mmol/L Fe2+. The corresponding 2-chlorophenol is degraded completely, 80.02% COD is also removed, and the biodegradability, evaluated in terms of the BOD5 /COD ratio, is increased up to 0.41. To test the effect of this pretreatment, the pretreated 2-chlorophenol wastewater was fed to a sequencing batch reactor(SBR). The results show that complete mineralization is achieved. It is demonstrated that, for the treatment of recalcitrant compounds like 2-chlorophenol, the Fenton pretreatment could be quite effective and economical for enhancing the biodegradability in a Fenton-biological coupled system.

关键词： 2-chlorophenol Fenton-biological coupled system dechlorination sequencing batch reactor(SBR) biodegradability

Decolourization of Reactive Brilliant Blue KN-R by immobilized cells of Aspergillus ficuum

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Journal of environmental Sciences 2003年第3期15卷 377-382页

作者： DONG Xin-jiao, CHEN Zhu (department of biology & environmental Science, Wenzhou Normal College, Wenzhou 325003, China.) department of biology & environmental Science Wenzhou Normal College Wenzhou 325003

Aspergillus ficuum was immobilized with sodium alginate, and decolourization of Reactive Brilliant Blue KN-R was studied on immobilized and free Aspergillus ficuum. The optimal preparation condition of the strain immobilization was obtained by the orthogonal test, it is sodium alginate 3%, CaCl_2 5%, wet mycelia 30 g/L, calcific time 8 h. It was found that the immobilized cells could effectively decolourize Reactive Brilliant Blue KN-R, the optimum temperature and pH were 33℃ and 5.0, respectively. The kinetics study of decolourization of immobilized cells showed that the decolourization of Aspergillus ficuum immobilized conformed to zero-order reaction model. The decolourization efficiency of immobilized cell compared with that of free cell in different physical conditions. Results showed that the decolourization of immobilized cells with mycelia had the best efficiency. The immobilized cells could be reused after the first decolourization.

关键词： immobilized cell Reactive Brilliant Blue KN-R decolourization Aspergillus ficuum

Use of sub-micron sized resin particles for removal of endocrine disrupting compounds and pharmaceuticals from water and wastewater

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Journal of environmental Sciences 2017年第1期29卷 256-264页

作者： Audrey Murray Banu rmeci Edward P.C.Lai department of Civil and environmental Engineering Carleton University department of chemistry Carleton University

Endocrine disrupting compounds（EDCs） and pharmaceuticals pose a challenge for water and wastewater treatment because they exist at very low concentrations in the presence of substances at much higher concentrations competing for adsorption ***-micron sized resin particles（approximately 300 nm in diameter）（SMR） were tested to evaluate their potential as a treatment for EDCs including：17-β estradiol（E2）,17-α ethinylestradiol（EE2）,estrone（E1）,bisphenol A（BPA）,and diethylstilbestrol（DES） as well as 12 *** were able to remove 98%of spiked E2,80%of EE2,87%of BPA,and up to 97%of DES from *** a 0.5 ppm mixture of E2,EE2,E1,BPA and DES,the minimum removal was24%（E2） and the maximum was 49%（DES）.They were also able to remove the pharmaceuticals from deionized water and ***,SMR are a promising advanced treatment for removal of both EDCs and pharmaceuticals.

关键词： Water treatment Wastewater treatment Pharmaceuticals Endocrine disrupting compounds Micropollutants Adsorption

Ultrasonic-assisted extraction of pectin from chaenomeles

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Journal of Central South University 2014年第11期21卷 4115-4120页

作者：李新社刘争艳陆步诗 department of biology and chemistry Engineering Shaoyang University

Ultrasound was applied for the extraction of pectin from chaenomeles. The content of pectin was evaluated by carbazole colorimetric method. Based on the results of the single factor experiment and the orthogonal tests, the optimum extraction parameters are as follows: the solid-to-liquid ratio is 1:4 g/m L, the ultrasonic power is 320 W, the ultrasonic-assisted extraction temperature is 60 °C, the ultrasonic-assisted extraction time is 50 min, and p H value is 2.0. Compared with acid hydrolyze methods, the extraction time of the present technique decreases from 70 min to 50 min, and the extraction yield increases from 1.39% to 2.61%. The results show that ultrasonic-assisted extraction is time-saving and highly efficient, so it provides a new way to extract pectin from chaenomeles.

关键词： chaenomeles pectin orthogonal experiments

Sensitivity and specificity of different staining methods to monitor apoptosis induced by oxidative stress in adherent cells

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Chinese Medical Journal 2003年第12期116卷 1923-1929页

作者：赵进顺 Alexandra Schmid-Kotsas Hans-Juergen Gross Adolf Gruenert Max G. Bachem department of Occupational and environmental Medicine department of Clinical chemistry and Pathobiochemistry

Objective To study the sensitivity and specificity of different staining methods to monitor apoptosis induced by oxidative stress in adherent *** Sensitivity and specificity of several common methods for apoptosis determination were evaluated (Apo2.7-expression, Annexin V-binding, TUNEL-reaction, poly-(ADP-ribose)-polymerase-(PARP) cleavage and single-stranded-DNA (ssDNA) staining). Apoptosis was induced by oxidative stress generated by hydrogen peroxide in 3 cultured cells types growing as adherent monolayer (MiaPaCa-2, Hep-G2 and human skin fibroblasts), necrosis was induced by depletion of cellular ATP using sodium azide. Cells positively stained by the respective apoptosis assay were quantified and alterations of cell morphology were monitored by fluorescence microscopy. The date was analyzed by one-way analysis of variance and significance test of correlation *** One hour after apoptosis induction significant cell fractions were positively stained for ssDNA (33% with MiaPaCa-2 cells, 35% with Hep-G2 cells, 56% with human skin fibroblasts). PARP-cleavage was less sensitive compared to the ssDNA-staining. Apo2.7-expression, Annexin V-binding and TUNEL-reaction were not applicable to detect early apoptosis induced by oxidative stress (below 2 hours), but were efficiently monitoring late apoptosis. Specificity of ssDNA-staining was complete with each cell type even 4 hs after induction of necrosis by the highest sodium azide concentration. In contrast, the same experimental conditions resulted in 50%-90% positively stained necrotic cells by using Apo2.7-expression, TUNEL-reaction or AnnexinV-binding. Surprisingly, specificity of PARP-cleavage was highly depending on the respective cell *** Our study prove that among the five methods investigated only ssDNA-staining allowed to completely differentiate apoptosis from necrosis, and is thus suitable to reliably detect early as well as late apoptosis. Therefore, the ssDNA-stainin

关键词： apoptosis staining method sensitivity specificity oxidative stress adherent cell

Production of microbial oils co-fermented by *** and Trichosporon cutaneum with Daqu distiller's grains

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Journal of Central South University 2011年第5期18卷 1738-1743页

作者：李新社陆步诗唐伟 department of biology and chemistry Engineering Shaoyang University

Abstract： Daqu distiller＇s grains were co-fermented as raw materials by *** and Trichosporon cutaneum to produce microbial oils, which can provide raw materials for bio-diesel development. The single factor tests were used to investigate the effects of ratio of strains, inoculum size, culture temperature and culture time on the production of microbial oils. The best processing conditions were obtained by orthogonal test through measuring the content of microbial oils in product. The result shows that the microbial oils content of the co-fermented product under the ratio of *** to Trichosporon cutaneum of 1：1, the inoculum size of strains of 11% at 28 ℃ for 6 d is 7.15 g/L. It is shown that the production of microbial oils co-fermented by *** and Trichosporon cutaneum with Daqu distiller＇s grains is possible. The research provides a new idea for the reuse of Daqu distiller＇s grains and also provides a new way for the development of microbial oils.

关键词： Daqu distiller's grains Trichoderma.koningii Trichosporon cutaneum co-fermentation microbial oils

Olive leaf extract inhibits lead poisoning-induced brain injury

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Neural Regeneration Research 2013年第22期8卷 2021-2029页

作者： Yu Wang Shengqing Wang Wenhui Cui Jiujun He Zhenfu Wang Xiaolu Yang department of biology and chemistry Longnan Teachers College

Olive leaves have an antioxidant capacity, and olive leaf extract can protect the blood, spleen and hippocampus in lead-poisoned mice. However, little is known about the effects of olive leaf extract on lead-induced brain injury. This study was designed to determine whether olive leaf extract can inhibit lead-induced brain injury, and whether this effect is associated with antioxidant capacity. First, we established a mouse model of lead poisoning by continuous intragastric administration of lead acetate for 30 days. Two hours after successful model establishment, lead-poisoned mice were given olive leaf extract at doses of 250, 500 or 1 000 mg/kg daily by intragastric administration for 50 days. Under the transmission electron microscope, olive leaf extract attenuated neuronal and capillary injury and reduced damage to organelles and the matrix around the capillaries in the frontal lobe of the cerebral cortex in the lead-poisoned mice. Olive leaf extract at a dose of 1 000 mg/kg had the greatest protective effect. Spectrophotometry showed that olive leaf extract significantly in- creased the activities of superoxide dismutase, catalase, alkaline phosphatase and acid phes- phatase, while it reduced malondialdehyde content, in a dose-dependent manner. Furthermore, immunohistochemical staining revealed that olive leaf extract dose-dependently decreased Bax protein expression in the cerebral cortex of lead-poisoned mice. Our findings indicate that olive leaf extract can inhibit lead-induced brain injury by increasing antioxidant capacity and reducing apop- tosis.

关键词： neural regeneration traditional Chinese medicine olive leaf extract lead brain injury superoxidedismutase catalase alkaline phosphatase acid phosphatase malondialdehyde apoptosis neu-ropathology grants-supported paper neuroregeneration

Ru doping triggering reconstruction of cobalt phosphide for coupling glycerol electrooxidation with seawater electrolysis

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Journal of Energy chemistry 2025年第1期100卷 317-326页

作者： Binglu Deng Jie Shen Jinxing Lu Chuqiang Huang Zhuoyuan Chen Feng Peng Yunpeng Liu School of Materials Science and Hydrogen Energy Foshan University School of chemistry and Chemical Engineering Guangzhou University Guangdong Key Laboratory for Hydrogen Energy Technologies

Seawater electrolysis is a promising approach for sustainable energy without relying on precious ***,the large-scale seawater electrolysis is hindered by low catalytic efficiency and severe anode corrosion caused by the harmful *** contrast to the oxygen evolution reaction （OER）and chlorin ion oxidation reaction （ClOR）,glycerol oxidation reaction （GOR） is more thermodynamically and kinetically favorable ***,a Ru doping cobalt phosphide （Ru-CoP2） is proposed as a robust bifunctional electrocatalyst for seawater electrolysis and GOR,for the concurrent productions of hydrogen and value-added *** in situ and ex situ characterization analyses demonstrated that Ru doping featured in the dynamic reconstruction process from Ru-CoP2to Ru-CoOOH,accounting for the superior GOR *** coupling GOR with hydrogen evolution was realized by employing Ru-CoP2as both anode and cathode,requiring only a low voltage of 1.43 V at 100 mA cm-2,which was 250 m V lower than that in alkaline *** work guides the design of bifunctional electrocatalysts for energy-efficient seawater electrolysis coupled with biomass resource upcycling.

关键词： Anodes