ANALYTICA CHIMICA ACTA Volume 475 issues 1—2, 3 January 2003 www.elsevier.com/locate/aca CONTENTS (Full texts are incorporated in CJELSEVIER, a file in the Chemical Journals Online database available on STN International; Abstracted, indexed in: Aluminium Abstracts; Anal. Abstr; Biol. Abstr; BIOSIS; Chem. Abstr.; Curr. Contents Phys. Chem. Earth Sci.; Engineered Materials Abstracts; Excerpta Medica; Index Med.; Life Sci; Mass Spectrum. Bull.; Material Business Alerts; Metals Abstracts; Sci. Citation Index) Sensors Review — Polyaniline as a new sensitive layer for gas sensors D. Nicolas-Debarnot and F. Poncin-Epaillard (Le Mans, France) Quantitative analysis of gas mixtures by voltammetric sensing R. Knake, R. Guchardi and PC. Hauser (Basel, Switzerland) Portable oral malodoranalyzer using highly sensitive In203 gas sensor combiwitnha esidmpl e gas chromatography system M. Hanada, H. Koda, K. Onaga, K. Tanaka (Hyogo, Japan),T .O kabayashi,T .t oh (Osaka, Japan) and H. Miyazaki (Niigata, Japan) Coupling conducting polymers and mediated electrochemical responses for the detection of Listeria A.l. Minett, U.N. Barisci and G.G. Wallace (Wollongong, Australia) Surface plasmon resonancetransients at an electrochemical interface: time resolvedmeasurements using a bicell photodiode J.E. Garland, K.A. Assiongbon, C.M. Pettit and D. Roy (Potsdam, NY, USA) Ytterbium (Ill)-selective membrane electrode based on cefixime M.R. Ganjali, L. Naji, T.P oursaberi (Tehran, Iran), M. Shamsipur (Kermanshah, Iran) and S. Haghgoo (Tehran, Iran) Nucleic acid taggants Survival and polymerase chain reaction-based detection of nucleic acid taggant markers during bacterial growth and sterilization B. Hall and A.D. Ellington (Austin,TX , USA) Immunoassay Fully automated immunoassay system of endocrine disrupting chemicals using monoclonal antibodies chemically conjugated to bacterial magnetic particles T. Matsunaga, F. Ueki (Tokyo, Japan), K. Obata, H. Tajima (Chiba, JapaTn. T)ana,ka , H. Takeyama (Tokyo, Japan), Y.Goda and S. Fujimoto (Osaka, Japan) Synthesis of haptens for immunoof oargasnopshosaphoyru s pesticides and effof heetecroltogy inhapten spacerarmlength onimmunoassay sensitivity Y.J. Kim (Gyongsan, South Korea), Y.A. Cho, H.-S. Lee (Daegu, South Korea)Y,. T.L ee (Gyongsan, South Korea), S.J. Gee and B.D. Hammock (Davis, CA, USA) Pesticide and drug analysis Determination of amitraz and other acaricide residues in beeswax E. Korta, A. Bakkali, L.A. Berrueta, B. Gallo, F.V icente (Bilbao, Spain) and S. Bogdanov (Bern, Switzerland) Evaluation ofa field-test kit for triazine herbicides (SensioScreen “TR500) as a fast assay to detect pesticide contamination inwater samples B. Ballesteros, D. Barcelé (Barcelona, Spain), A.D ankwardt, P. Schneider (Augsburg, Germany) and M.-P. Marco (Barcelona, Spain) lon-paired solid phase extraction as a sample preparation strategy for the high-performance liquid chromatographic determination of oxytetracycline in the bryophyte Fontinalis antipyretica R. Delepée and H. Pouliquen (Nantes, France) Rapid determination of diuretics in human urine by gas chromatography—mass spectrometry following microwave assisted derivatization L. Amendola, C. Colamonici, M. Mazzarino and F. Botre (Rome, Italy) Contents Kinetic analysis Quantifying catecholamines using multi-way kinetic modelling R.PH. Nikolajsen (Copenhagen, Denmark), K.S. Booksh (Arizona, AZ, USA), A.M. Hansen and R. Bro (Copenhagen, Denmark)... Light scattering Novel assay of thiamine based on its enhancement of total internal reflected resonance light scattering signals of sodium dodecylbenzene sulfonate at the water/tetrachloromethane interface W. Lu, C.Z. Huang and Y.F. Li (Chongqing, PR China) Chemiluminescence B-Cyclodextrin sensitized chemiluminescence of hemoglobin—hydrogen peroxide—carbonate and its analytical application S. Zhang and H. Ju (Nanjing, China) Inductively coupled plasma atomic emission spectrometry Determination of Ru, Rh, Pd, Te, Mo and Zr in spent pressurized water reactor fuels by ion exchange and extraction chromatographic separations and inductively coupled plasma atomic emission spectrometric analysis C.H. Lee, MY. Suh, K.S. Choi, J.S. Kim, Y.J. Park and W.H. Kim (Daejeon, South Korea) Archaeometry Investigation of a Roman age “bulk pigment” found in Vicenza G.A. Mazzocchin, F. Agnoli (Venice, Italy) and S. 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