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Chemical Research in Chinese Universities 2001年第4期17卷 400-406页

作者： Chen Bin zhuang zhixia Wang Xiaoru FRANKs.c.lee 厦门大学教育部现代分析科学重点实验室福建厦门 361005 香港浸会大学香港

A novel technique of Moveable Reduction Bed Hydride Generator（MRBHG）was applied tohe hydride generation or cold vapor generation of As，Se，Ge，and Hg existing In TraditionalChinese Medicinal Material（TCM）．The simultaneous determination of the multi－elements wasperformed with ICP－MS．A solid reduction system involving the use of potassiumtetraborohydride and tartaric acid was applied to generating metal hydride or cold *** factors affecting the metal cold vapor generation were *** mainadvantage of the technique is that only a 4μL volume of sample was required for the cold vapor

关键词： for the Simultaneous Determination of As,Se,Ge A Novel Sample Introduction Technique Chinese Material Medicinal and Hg Ge

Development of an amperometric glucose biosensor based on the immobilization of glucose oxidase in an ormosil-PVA matrix onto a Prussian Blue modified electrode

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Science China Chemistry 2009年第8期52卷 1128-1135页

作者： HaiLing Chen Li Zhao Xi Chen zhixia zhuang XiaoRu Wang Testing Center for Food and Drug Safety Huaxia Vocational College Xiamen 361005 China State Key Laboratory of Marine Environmental Science Xiamen University Xiamen 361005 China

An amperometric glucose biosensor was developed based on the immobilization of glucose oxidase in the organically modified silicate (ormosil)-polyvinyl acetate (PVA) matrix onto a Prussian Blue (PB)-modified glassy carbon electrode. A higher stability PB-modified electrode was prepared by the electrochemical deposition of FeCl3, K3[Fe(CN)6] and ethylenediamine tetraacetic acid (EDTA) under cyclic voltammetric (CV) conditions. The effects of the potential range of CV conditions, electrolyte cations, applied potential, pH, temperature and co-existing substances were investigated. The detection limit of the glucose biosensor was 8.1 μmol·L−1 (S/N = 3) with a linear range from 20 μmol·L−1 to 2 mmol·L−1 (R = 0.9965). The biosensor presented a fast response and good selectivity. Additionally, excellent reproducibility and stability of the biosensor were observed.

关键词： Prussian Blue glucose oxidase ormosil-PVA ethylenediamine tetraacetic acid biosensor

Adhesion of pathogenic Vibrio alginolyticus to the gill mucus of Pseudosciaena crocea

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Acta Oceanologica Sinica 2007年第3期26卷 101-109页

作者： CHEN Qiang YAN Qingpi MA Shen zhuang zhixia WANG Xiaoru Fisheries College Jimei University Xiamen 361021 China Fisheries College Ocean University of China Qingdao 266003 China First Institute of Oceanography State Oceanic Administration Qingdao 266061 China

Adhesion of Vibrio alginolyticus to the gill mucus of Pseudosciaena crocea has been investigated using [ methyl-^3 H ] thymidine as isotope tracer. The results showed that： the adhesive quantity of V. alginolyticus increased with bacterial concentrations and reached equilibrium after incubated for 180 min; the higher adhesive quantity was obtained at 15 ~ 30 ℃ and sourish conditions; adhesion of V. alginolyticus could not achieved without Na^＋ , and Ca^2＋ played an auxiliary role in the bacterial adhesion; adhesion of V. alginolyticus was inhibited remarkably by starvation, heat treatment and periodic acid treatment; all of the eight kinds of carbohydrates investigated enhanced the adhesion of V. alginolyticus to the gill mucus of P. crocea, among them, glucose, mannose, fructose and maltose showed the specially enhanced adhesion. The results indicated that E alginolyticus could adhere to the gill mucus of P. crocea facilely in seawater, and this bacterial adhesion was influenced by environmental factors and closely related to superficial carbohydrate structures and some heat-sensitive structures.

关键词： Vibrio alginolyticus adhesion Pseudosciaena crocea gill mucus

Starvation effects on pathogenic Vibrio alginolyticus in natural seawater

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Acta Oceanologica Sinica 2008年第4期27卷 120-129页

作者： YI Jiabo CHEN Qiang ZOU Wenzheng YAN Qingpi zhuang zhixia WANG Xiaoru Fisheries College Key Laboratory of Science and Technology for Aquaculture and Food Safety Jimei University Xiamen 361021 China First Institute of Oceanography State Oceanic Administration Qingdao 266061 China

To get a better understanding of the starvation survival strategy of pathogenic Vibrio alginolyticus, log-phase cells were inoculated into sterile natural seawater for starvation studies. The results showed that all of total bacteria number, viable bacteria number and CFU number of V. alginolyticus increased remarkably at the initial starvation stage; after reaching their peaks at 5 d, both total bacteria number and viable bacteria number of V. alginolyticus fell slowly, while the CFU number fell more quickly after reaching its peak at 10 d; V. alginolyticus elongated their cells at the prophase of starvation, and then shrunk their volume and turned their shapes into ovals from rods at the anaphase of starvation; starved cells showed more sensitivity to heating and UV; starved cells showed no significant difference from unstarved ones at the lowest detection limit determined by indirect enzyme-linked immu- nosorbent assay （ELISA） ; starved cells＇ ability to adhere to the skin mucus of large yellow croaker （ Pseudosciaena crocea） showed a sharp decline as the starvation time increases; the cellular protein of V. alginolyticus increased remarkably at the ariaphase of starvation. The results indicated that pathogenic V. alginolyticus could survive in starvation for relatively long periods of time （ ≥2 months） in 28℃ natural seawater due to the morphological and physiological changes; however, starved V. alginolyticus cells showed less virulence and higher sensitivity under environmental stresses.

关键词： Vibrio alginolyticus starvation survival adhesion ELISA resistance

Study on Photocatalytic Degradation of Organic Dye by Titanium Dioxide Nanotube Array

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Agricultural Biotechnology 2016年第6期5卷 50-52页

作者： Huabin HUANG Wei GU zhixia zhuang Xiaoru WANG Xiamen Huaxia Uiversity Department of Inspection Science and TechnologyXiamen 361024China Tokyo Denki Kagaku Xiamen Branch Xiamen 36102China College of Chemistry and Chemical Engineering Xiamen UniversityXiamen 361005China

Titanium based titanium dioxide （TiO2） nanotube arrays were prepared by electrochemical oxidation method, their microstructures were characterized, and the effects of sintering temperature and initial dye concentration and pH value on degradation performance of TiO2 nanotubc arrays wcrc investigated with methyl orange as a degradation object. The results showed that TiO2 nanotube arrays prepared by sintering at 500 ℃ exhibited good morphology and the highest photocata- lyric degradation efficiency; the degradation efficiency of the TiO2 nano material （500 ℃ ） to high concentration dye was higher than that to low concentration dye; the TiO2 nanotube array （500 ℃ ） exhibited higher degradation efficiency on dye solution at the pH of 3 than on that at the pH of 5.77 ; and the degradation efficien- cy of the TiO2 nanotube array （500 ℃） to 10 mg/L methyl orange solution （pH =3） reached 85.2%.

关键词： Titanium dioxide Nanotube array Photocatalytie Organic dyes

Separation and Enrichment of Melamine in Feed by a New Molecularly Imprinted Solid-phase Extraction Column

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Animal Husbandry and Feed Science 2014年第1期6卷 10-13页

作者： Huang Huabin zhuang zhixia Zhou Yanli Zhao Li Wang Xiaoru Xiamen Huaxia Vocational College College of Chemistry and Chemical Engineering Xiamen University

[ Objective] The research aimed to develop a new molecular imprinting solid-phase extraction column for the separation and enrichment of melamine in feed. [ Method] The molecular imprinting polymer of melamine was prepared by mass polymerization method. This polymer was used as filler to prepare molecular imprinting polymer solid-phase extraction（MIP-SPE） column of melamine. The solid-phase extraction conditions were optimized and melamine content in concentrated solution was determined by using HPLC. [ Result] Melamine eould be separated selectively from feed and enriehed by self-made MIP-SPE column. It could wipe off complex matrix from feed and the addition recovery rate was 95%. The contrast experiment between MIP-SPE column and NMIP-SPE （ non-imprinted polymer- solid phase extraction） column showed that the extraction efficiency of the former was obviously higher than the latter. [ Conclusion] The home-made MIP- SPE column could be used to separate and enrich melamine in feed efficiently, with a broad application prospect.

关键词： Molecular imprinting Solid-phase extraction Feed Melamine

A Device for Rapid Detection of Dithiocarbamate Pesticide Residues in Fruits

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Plant Diseases and Pests 2014年第3期5卷 39-41页

作者： Huang Huabin Zhou Yanli Lin Huixia He Shaogui zhuang zhixia Xiamen Huaxia Vocational College College of Chemistry and Chemical Engineering Xiamen University

Based on the chemical properties of dithiocarbamate pesticides,a device for rapid detection was developed in the paper,and the experimental conditions were optimized. Dithiocarbamate residues in fruits were successfully detected using molecular absorption spectro-photometry,and the recovery rate was over 80%.The rapid detection method was simple to operate with low cost,and was conducive to application in basic level and enterprise laboratories.

关键词： Dithiocarbamate Pesticide residues Rapid detection Fruit