Talanta - 88, 2012

Contents:


Editorial Board

Editorial Board

Analytical procedures for the determination of surfactants in environmental samples
Ewa Olkowska, Żaneta Polkowska, Jacek Namieśnik

Current trends in explosive detection techniques
J. Sarah Caygill, Frank Davis, Seamus P.J. Higson

Arsenic speciation in environmental samples by hydride generation and electrothermal atomic absorption spectrometry
Hossain Md Anawar

Novel multifunctional acceptor phase additive of water-miscible ionic liquid in hollow-fiber protected liquid phase microextraction
Wei Liu, Zhenyi Wei, Qing Zhang, Fang Wu, Zian Lin, Qiaomei Lu, Fen Lin, Guonan Chen, Lan Zhang

Optimization of supercritical fluid extraction combined with dispersive liquid–liquid microextraction as an efficient sample preparation method for determination of 4-nitrotoluene and 3-nitrotoluene in a complex matrix
Mina Jowkarderis, Farhad Raofie

Electrochemical sensing of ammonium ion at the water/1,6-dichlorohexane interface
José A. Ribeiro, F. Silva, Carlos M. Pereira

Collective mode frequency shifts in l-serine and a series of isotopologues in the terahertz regime
David C. Hufnagle, Anita R. Taulbee-Combs, Wolfgang U. Spendel, Gilbert E. Pacey

Microspheres aided introduction of ionophore and ion-exchanger to the ion-selective membrane
Marcin Wojciechowski, Anna Kisiel, Ewa Bulska, Agata Michalska

Dioxin analysis in water by using a passive sampler and CALUX bioassay
Amr Addeck, Kim Croes, Kersten Van Langenhove, Michael Denison, Marc Elskens, Willy Baeyens

Effectiveness of high-throughput miniaturized sorbent- and solid phase microextraction techniques combined with gas chromatography–mass spectrometry analysis for a rapid screening of volatile and semi-volatile composition of wines—A comparative study
Berta Mendes, Joao Gonçalves, José S. Câmara

Feature selection versus feature compression in the building of calibration models from FTIR-spectrophotometry datasets
Alexander Vergara, Eduard Llobet

Method validation and determinations of levofloxacin, metronidazole and sulfamethoxazole in an aqueous pharmaceutical, urine and blood plasma samples using quantitative nuclear magnetic resonance spectrometry
Alaa A. Salem, Hussein A. Mossa

Synthesis and characterization of InNbO4 nanopowder for gas sensors
C. Balamurugan, E. Vijayakumar, A. Subramania

Allosteric coextraction of sodium and metal ions with calix[4]arene derivatives 2: First numerical evaluation for the allosteric effect on alkali metal extraction with crossed carboxylic acid type calix[4]arenes
Tomoaki Yoneyama, Hirotoshi Sadamatsu, Shigemasa Kuwata, Hidetaka Kawakita, Keisuke Ohto

Molecularly imprinted polymer as sorbent in micro-solid phase extraction of ochratoxin A in coffee, grape juice and urine
Tien Ping Lee, Bahruddin Saad, Wejdan Shakir Khayoon, Baharuddin Salleh

NMR analysis of the rat neurochemical changes induced by middle cerebral artery occlusion
Mingxing Yang, Shu Wang, Fuhua Hao, Yajie Li, Huiru Tang, Xuemin Shi

Optimization of comprehensive two-dimensional gas-chromatography (GC × GC) mass spectrometry for the determination of essential oils
Jone Omar, Ibone Alonso, Maitane Olivares, Asier Vallejo, Nestor Etxebarria

Selective detection of carbon dioxide using LaOCl-functionalized SnO2 nanowires for air-quality monitoring
Do Dang Trung, Le Duc Toan, Hoang Si Hong, Tran Dai Lam, Tran Trung, Nguyen Van Hieu

A micro GC detector array based on chemiresistors employing various surface functionalized monolayer-protected gold nanoparticles
Rih-Sheng Jian, Rui-Xuan Huang, Chia-Jung Lu

Simultaneous laser-induced fluorescence, coaxial thermal lens spectroscopy and retro-reflected beam interference detection for capillary electrophoresis
Bo Xiong, Wei Wang, Xueyan Miao, Lijia Liu, Liping Wang, Xiaodong Zhou, Jiming Hu

A microsecond microfluidic mixer for characterizing fast biochemical reactions
Ying Li, Dalu Zhang, Xiaojun Feng, Youzhi Xu, Bi-Feng Liu

Sensitive detection of acetaminophen based on Fe3O4 nanoparticles-coated poly(diallyldimethylammonium chloride)-functionalized graphene nanocomposite film
Daban Lu, Yan Zhang, Letao Wang, Shaoxiong Lin, Chunming Wang, Xiaofeng Chen

Arsenic species extraction of biological marine samples (Periwinkles, Littorina littorea) from a highly contaminated site
K.J. Whaley-Martin, I. Koch, K.J. Reimer

Quantification of acylglycines in human urine by HPLC electrospray ionization-tandem mass spectrometry and the establishment of pediatric reference interval in local Chinese
Bonnie Mei-Wah Fong, Sidney Tam, Kelvin Sze-Yin Leung

Voltammetric determination of cysteine using carbon paste electrode modified with Co(II)-Y zeolite
Alireza Nezamzadeh-Ejhieh, Habibeh-Sadat Hashemi

Determination of six pyrethroid insecticides in fruit juice samples using dispersive liquid–liquid microextraction combined with high performance liquid chromatography
Suthasinee Boonchiangma, Wittaya Ngeontae, Supalax Srijaranai

Electrochemical DNA sensor based on methylene blue functionalized polythiophene as a hybridization indicator
Mengqin Liu, Chunhua Luo, Hui Peng

Determination of rutin and quercetin in Chinese herbal medicine by ionic liquid-based pressurized liquid extraction–liquid chromatography–chemiluminescence detection
Hongwei Wu, Meilan Chen, Yunchang Fan, Fawzi Elsebaei, Yan Zhu

Development of a fluorescence-based microplate method for the determination of volatile fatty acids in anaerobically digested and sewage sludges
F. Robert-Peillard, E. Palacio-Barco, B. Coulomb, J.L. Boudenne

Cigarette filters as adsorbents of solid-phase extraction for determination of fluoroquinolone antibiotics in environmental water samples coupled with high-performance liquid chromatography
Bo Chen, Weidong Wang, Yuming Huang

A novel sensitive DNA–biosensor for detection of a carcinogen, Sudan II, using electrochemically treated pencil graphite electrode by voltammetric methods
Ali A. Ensafi, Behzad Rezaei, Maryam Amini, Esmaeil Heydari-Bafrooei

Characterisation and calibration of active sampling Solid Phase Microextraction applied to sensitive determination of gaseous carbonyls
Elena Gómez Alvarez, Mónica Vázquez Moreno, Sasho Gligorovski, Henri Wortham, Miguel Valcárcel Cases

A novel hydrogen peroxide biosensor based on the Sn–ZnNPs/MWNTs nanocomposite film
Aili Sun, Hongye Zhao, Jianbin Zheng

Chemometrics optimization of six antihistamines separations by capillary electrophoresis with electrochemiluminescence detection
Derong Zhu, Xia Li, Jinying Sun, Tianyan You

Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MS
Maria Sánchez-Martínez, Erik Galvao P. da Silva, Teresa Pérez-Corona, Carmen Cámara, Sergio L.C. Ferreira, Yolanda Madrid

Dispersive liquid–liquid microextraction and preconcentration of thallium species in water samples by two ionic liquids applied as ion-pairing reagent and extractant phase
Leticia B. Escudero, Paula Berton, Estefanía M. Martinis, Roberto A. Olsina, Rodolfo G. Wuilloud

Pressurised hot water extraction followed by headspace solid-phase microextraction and gas chromatography–tandem mass spectrometry for the determination of N-nitrosamines in sewage sludge
Anna Llop, Francesc Borrull, Eva Pocurull

Poly(acrylic acid)-templated silver nanoclusters as a platform for dual fluorometric turn-on and colorimetric detection of mercury (II) ions
Yu Tao, Youhui Lin, Zhenzhen Huang, Jinsong Ren, Xiaogang Qu

Highly sensitive thrombin detection by matrix assisted laser desorption ionization-time of flight mass spectrometry with aptamer functionalized core–shell Fe3O4@C@Au magnetic microspheres
Xueyang Zhang, Shaochun Zhu, Chunhui Deng, Xiangmin Zhang

Feasibility study of FT-MIR spectroscopy and PLS-R for the fast determination of anthocyanins in wine
M. Romera-Fernández, L.A. Berrueta, S. Garmón-Lobato, B. Gallo, F. Vicente, J.M. Moreda

Establishment of reliable mass spectra and retention indices library: Identification of fatty acids in human plasma without authentic standards
Liangxiao Zhang, Binbin Tan, Maomao Zeng, Hongmei Lu, Yizeng Liang

Sensing behavior of YSZ-based amperometric NO2 sensors consisting of Mn-based reference-electrode and In2O3 sensing-electrode
Han Jin, Michael Breedon, Norio Miura

Capillary electrophoresis with Orbitrap-Velos mass spectrometry detection
Roza Wojcik, Yihan Li, Michael J. MacCoss, Norman J. Dovichi

Simultaneous determination of four synthesized metabolites of mequindox in urine samples using ultrasound-assisted dispersive liquid–liquid microextraction combined with high-performance liquid chromatography
Jiaheng Zhang, Haixiang Gao, Bing Peng, Yubo Li, Songqing Li, Zhiqiang Zhou

Precise determination of triple Sr isotopes (?87Sr and ?88Sr) using MC-ICP-MS
Hou-Chun Liu, Chen-Feng You, Kuo-Fang Huang, Chuan-Hsiung Chung

A dynamic study on reversal of multidrug resistance by ginsenoside Rh2 in adriamycin-resistant human breast cancer MCF-7 cells
Bei Zhou, Xiuli Xiao, Lili Xu, Lian Zhu, Liang Tan, Hao Tang, Youyu Zhang, Qingji Xie, Shouzhuo Yao

Development of a miniature analytical system in a lab-on-valve for determination of trace copper by bead injection spectroscopy
Yong-Liang Yu, Ying Jiang, Rong-Huan He

A multiway chemometric and kinetic study for evaluating the thermal stability of edible oils by 1H NMR analysis: Comparison of methods
C.B.Y. Cordella, T. Tekye, D.N. Rutledge, R. Leardi

Continuous-flow fractionation of selenium in contaminated sediment and soil samples using rotating coiled column and microcolumn extraction
Elena Yu. Savonina, Petr S. Fedotov, Rainer Wennrich

Influence of chemical and mineralogical properties of organic amendments on the selection of an adequate analytical procedure for trace elements determination
C. García-Delgado, V. Cala, E. Eymar

Determination of ribavirin in human serum using liquid chromatography tandem mass spectrometry
Henk van der Lijke, Jan-Willem C. Alffenaar, Wim Th. Kok, Ben Greijdanus, Donald R.A. Uges

Preconcentration via ion associated complexes combined with inductively coupled plasma optical emission spectrometry for determination of heavy metals
Barbara Feist, Barbara Mikula, Katarzyna Pytlakowska, Bozena Puzio, Rafal Sitko

Fine control of carbon nanotubes–polyelectrolyte sensors sensitivity by electrostatic layer by layer assembly (eLbL) for the detection of volatile organic compounds (VOC)
B. Kumar, Y.T. Park, M. Castro, J.C. Grunlan, J.F. Feller

Thiolated DAB dendrimers and CdSe quantum dots nanocomposites for Cd(II) or Pb(II) sensing
M. Algarra, B.B. Campos, B. Alonso, M.S. Miranda, Á.M. Martínez, C.M. Casado, J.C.G. Esteves da Silva

Determination of nicotine exposure in dogs subjected to passive smoking using methanol extraction of hair followed by hydrophilic interaction chromatography in combination with Fourier transform mass spectrometry
Saud Bawazeer, David G. Watson, Clare Knottenbelt

Synthesis and characterization of molecularly imprinted polymers for the selective extraction of cocaine and its metabolite benzoylecgonine from hair extract before LC–MS analysis
Valérie Thibert, Patrice Legeay, Florence Chapuis-Hugon, Valérie Pichon

NMR based geographical characterization of roasted coffee
Roberto Consonni, Laura Ruth Cagliani, Clelia Cogliati

Determination of Cr(VI) in the presence of high excess of a Cr(III) by adsorptive stripping voltammetry
Mieczysław Korolczuk, Anna Stępniowska

Amperometric fructose sensor based on ferrocyanide modified screen-printed carbon electrode
Julien Biscay, Estefanía Costa Rama, María Begona González García, A. Julio Reviejo, José Manuel Pingarrón Carrazón, Agustín Costa García

Fabrication of DNA/graphene/polyaniline nanocomplex for label-free voltammetric detection of DNA hybridization
Meng Du, Tao Yang, Xiao Li, Kui Jiao

Synthesis, characterization, and electrochemical applications of carbon nanoparticles derived from castor oil soot
K. Sudhakara Prasad, Min-Chieh Chuang, Ja-An Annie Ho

DNA G-quadruplex-templated formation of the fluorescent silver nanocluster and its application to bioimaging
Jun Ai, Weiwei Guo, Bingling Li, Tao Li, Dan Li, Erkang Wang

Classification of Sherry vinegars by combining multidimensional fluorescence, parafac and different classification approaches
Raquel M. Callejón, José Manuel Amigo, Erola Pairo, Sergio Garmón, Juan Antonio Ocana, Maria Lourdes Morales

A compact and highly sensitive light-emitting diode-induced fluorescence detector for capillary flow systems
Xuhui Geng, Dapeng Wu, Yafeng Guan

Evaluation of seven cosubstrates in the quantification of horseradish peroxidase enzyme by square wave voltammetry
Silvina V. Kergaravat, Maria Isabel Pividori, Silvia R. Hernandez

Electro polymerized 4-vinyl pyridine on 2B pencil graphite as ionophore for cadmium (II)
Joanna Lim Wee Ling, Anish Khan, Bahruddin Saad, Sulaiman Ab Ghani

Flow injection analysis of nanomolar silicate using long pathlength absorbance spectroscopy
Jian Ma, Robert H. Byrne

Optimization of colorimetric DET technique for the in situ, two-dimensional measurement of iron(II) distributions in sediment porewaters
William W. Bennett, Peter R. Teasdale, David T. Welsh, Jared G. Panther, Dianne F. Jolley

Determination of inorganic contaminants in polyamide textiles used for manufacturing sport T-shirts
Erika Matoso, Solange Cadore

Development of an analytical method using reversed-phase HPLC-PDA for a semipurified extract of Paullinia cupana var. sorbilis (guaraná)
Traudi Klein, Renata Longhini, Joao Carlos Palazzo de Mello

Dithizone modified magnetic nanoparticles for fast and selective solid phase extraction of trace elements in environmental and biological samples prior to their determination by ICP-OES
Guihong Cheng, Man He, Hanyong Peng, Bin Hu

Cloud point extraction and spectrophotometric determination of mercury species at trace levels in environmental samples
Halil Ibrahim Ulusoy, Ramazan Gürkan, Songül Ulusoy

Combined voltammetric and spectroscopic analysis of small molecule–biopolymer interactions: The levodopa and serum albumin system
Qiulan Zhang, Yongnian Ni, Serge Kokot

Determination of chromium(III), chromium(VI) and total chromium in chromate and trivalent chromium conversion coatings by electrospray ionization mass spectrometry
Hiroki Hotta, Katsuya Yata, Kamurul Fakir Bin Kamarudin, Shota Kurihara, Kin-ichi Tsunoda, Natsuo Fukumoto, Isao Kojima, Shin-ichi Kinugasa

An automated approach for analysis of Fourier Transform Infrared (FTIR) spectra of edible oils
Siong Fong Sim, Woei Ting

Supercritical fluid extraction from spent coffee grounds and coffee husks: Antioxidant activity and effect of operational variables on extract composition
Kátia S. Andrade, Ricardo T. Gonçalvez, Marcelo Maraschin, Rosa Maria Ribeiro-do-Valle, Julian Martínez, Sandra R.S. Ferreira

Determination of carbofuran in surface water and biological tissue by sol–gel immunoaffinity extraction and on-line preconcentration/HPLC/UV analysis
Luz E. Vera-Avila, Bani P. Márquez-Lira, Marcos Villanueva, Rosario Covarrubias, Gustavo Zelada, Valérie Thibert

Automated determination of total captopril in urine by liquid chromatography with post-column derivatization coupled to on-line solid phase extraction in a sequential injection manifold
Theano D. Karakosta, Paraskevas D. Tzanavaras, Demetrius G. Themelis

Prefractionation and separation by C8 stationary phase: Effective strategies for integral membrane proteins analysis
Qun Zhao, Liangliang Sun, Yu Liang, Qi Wu, Huiming Yuan, Zhen Liang, Lihua Zhang, Yukui Zhang

Multiresidue determination of pesticides in industrial and fresh orange juice by hollow fiber microporous membrane liquid–liquid extraction and detection by liquid chromatography–electrospray-tandem mass spectrometry
Gizelle Cristina Bedendo, Isabel Cristina Sales Fontes Jardim, Eduardo Carasek

Analysis of low concentration reduced sulfur compounds (RSCs) in air: Storage issues and measurement by gas chromatography with sulfur chemiluminescence detection
M.A.H. Khan, M.E. Whelan, R.C. Rhew

Spectrofluorometric determination and chemical speciation of trace concentrations of tungsten species in water using the ion pairing reagent procaine hydrochloride
M.S. El-Shahawi, L.A. Al Khateeb

FRET detection of DNA sequence via electrostatic interaction of polycationic phenyleneethynylene dendrimer with DNA/PNA hybrid
Paitoon Rashatasakhon, Kunnigar Vongnam, Warathip Siripornnoppakhun, Tirayut Vilaivan, Mongkol Sukwattanasinitt

Characterization of Pt-protein complexes by nHPLC–ESI-LTQ MS/MS using a gel-based bottom-up approach
Estefanía Moreno-Gordaliza, Benito Canas, María A. Palacios, M. Milagros Gómez-Gómez

Comparison of the predictive ability of several second-order multivariate methods in the simultaneous determination of two therapeutic drugs in human urine
M.C. Hurtado-Sánchez, I. Durán-Merás, M.I. Rodríguez-Cáceres, A. Jiménez-Girón, A.C. Olivieri

Validation of an analytical methodology to quantify melamine in body fluids using micellar liquid chromatography
S. Marco-Peiró, B. Beltrán-Martinavarro, M. Rambla-Alegre, J. Peris-Vicente, J. Esteve-Romero

New concept for HPTLC peak purity assessment and identification of drugs in multi-component mixtures
Ismail I. Hewala, Mona M. Bedair, Sherif M. Shousha

Real-time monitoring of anticancer drug release in vitro and in vivo on titania nanoparticles triggered by external glutathione
Mira Kim, Ji Hye Seo, Won Il Jeon, Mi-Yeon Kim, Keunchang Cho, So Yeong Lee, Sang-Woo Joo

On-line concentration and separation of cationic and anionic neurochemicals by capillary electrophoresis with UV absorption detection
Ming-Mu Hsieh, En-Ping Lin, Shiou-Wen Huang

Determination of five nitroimidazole residues in artificial porcine muscle tissue samples by capillary electrophoresis
Yingyun Lin, Yan Su, Xiulin Liao, Na Yang, Xiupei Yang, Martin M.F. Choi

Ultrasonic or accelerated solvent extraction followed by U-HPLC-high mass accuracy MS for screening of pharmaceuticals and fungicides in soil and plant samples
Carmen Lidia Chitescu, Efraim Oosterink, Jacob de Jong, Alida Adriana Maria (Linda) Stolker

A novel rapid method for simultaneous determination of three diagnostically important porphyrins in erythrocytes using hyphenated synchronous fluorescence techniques
Qian Liu, Wei Huang, Ali Abbas Falih Shindi, Yao-Qun Li

Sample preparation method for the speciation of polybrominated diphenyl ethers and their methoxylated and hydroxylated analogues in diverse environmental matrices
Jianteng Sun, Jiyan Liu, Qian Liu, Guangbo Qu, Ting Ruan, Guibin Jiang

A comparison of the extraction procedures and quantification methods for the chromatographic determination of polycyclic aromatic hydrocarbons in charcoal grilled meat and fish
O. Viegas, P. Novo, O. Pinho, I.M.P.L.V.O. Ferreira

A novel permanganate-sensitive fluorescent nano-chemosensor assembled with a new 8-hydroxyquinoline-functionalized SBA-15
Mohammad Reza Ganjali, Vinod Kumar Gupta, Morteza Hosseini, Zahra Rafiei-Sarmazdeh, Farnoush Faridbod, Hassan Goldooz, Ali Reza Badiei, Parviz Norouzi

Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters
Ivan N.B. Castilho, Bernhard Welz, Maria Goreti R. Vale, Jailson B. de Andrade, Patricia Smichowski, Abdallah A. Shaltout, Lígia Colares, Eduardo Carasek

Sensitive electrochemical detection of nitrobenzene based on macro-/meso-porous carbon materials modified glassy carbon electrode
Jiayue Ma, Yunsong Zhang, Xiaohua Zhang, Gangbing Zhu, Bo Liu, Jinhua Chen

An automated on-line minicolumn preconcentration cold vapour atomic absorption spectrometer: Application to determination of cadmium in water samples
Serkan Şahan, Ugur Şahin


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