ANALAO 121 (6) 5344R, 697-888, 73N-92N (1 996) JUNE 1996I1111REVIEWS53 RICONFERENCE PAPERSFOREWORD 697PLENARY 69970571 171 573374374975576 1767773779785789793'"An al y stThe analytical journal of The Royal Society of ChemistryCONTENTSSilicones and Their Determination in Biological Matrices-A Review-Biljana A. CaviC-Vlasak, MichaelThompson, Dennis C. SmithSensors and Signals Ill-Malcolrcl R. SmythConducting Polymers and the Bioanalytical Sciences: New Tools for Biomolecular Communications-AReview-S. 6. Adeloju, G. G. WallaceSurface Modification of Thin Film Gold Electrodes for Improved In Vivo Performance-Mark Hyland, JamesA. McLaughlin, Dao-Min Zhou, Eric T. McAdamsMoisture-activated, Electrically Conducting Bioadhesive Interfaces for Biomedical Sensor Applications-A.David WoolfsonReaction/Diffusion With Michaelis-Menten Kinetics in Electroactive Polymer Film. Part 1.The Steady-stateAmperometric Response-Michael E. G. Lyons, James C. Greer, Catherine A. Fitzgerald, ThomasBannon, Philip N. BarlettKinetic Separation of Amperometric Sensor Responses -Robert J. ForsterInterpreting Signals From an Array of Nonspecific Piezoelectric Chemical Sensors-Patricia McAlernon,Jonathan M. Slater, Philip Lowthian, Mark AppletonChemometric Techniques in Multivariate Statistical Modelling of Process Plant-M. Hartnett, G. Lightbody,G. W. IrwinDetermination of 2-Furaldehyde in Transformer Oil Using Flow Injection With Pulsed AmperometricDetection-John W. Dilleen, Chris M. Lawrence, Jonathan M.SlaterCharacterization of Carbon Paste Electrodes In Vitro for Simultaneous Amperometric Measurement ofChanges in Oxygen and Ascorbic Acid Concentrations In Vivo-John P. Lowry, Martyn G. Boutelle, RobertD. O'Neill, Marianne FillenzBispecific Multivalent Antibody Studied by Real-time Interaction Analysis for the Development of anAntigen-inhibition Enzyme-linked lmmunosorbent Assay-Heiko W. Reinartz, John G. Quinn, Kurt Zanker,Richard O'KennedyStrategies for Decreasing Ascorbate Interference at Glucose Oxidase-modifiedPoly(epheny1enediamine)-coated Electrodes-Karl McAteer, Robert D. O'NeillDifferential-pulse Voltammetric Determination of Clenbuterol in Bovine Urine Using a Nafion-modifiedCarbon Paste Electrode-Siobhan Moane, Malcolm R.Smyth, Michael O'KeefeDissolved Oxygen Sensor Based on Fluorescence Quenching of Oxygen-Sensitive Ruthenium ComplexesImmobilized in Sol-Gel-derived Porous Silica Coatings-Aisling K. McEvoy, Colette M. McDonagh, BrianD. MacCraithSensing of Chlorinated Hydrocarbons and Pesticides in Water Using Polymer Coated Mid-infrared OpticalFibres-James E. Walsh, Brian D. MacCraith, Mary Meaney, Johannes G. Vos, Fiona Regan, AntonioLancia, Slava ArtjushenkoPreparation of Polypyrrole Composites and the Effect of Volatile Amines on Their ElectricalProperties-Benjamin P. J. de Lacy Costello, Phillip Evans, Norman M. RatcliffeSAMPLE HANDLING799803807Formation of Thiocyanate During Removal of Sulfide as Lead Sulfide Prior to CyanideDetermination-John C. Wilmot, Ljiljana Solujic, Emil B.Milosavljevic, James L. Hendrix, W. Scott RaderExtraction of Salinomycin From Finished Layers Ration by Microwave Solvent Extraction Followed byLiquid Chromatography-M. Humayoun Akhtar, Louise G. CroteauDithizone-anchored Poly(viny1pyridine) as a Chelating Resin for the Preconcentration and Separation ofGold(iii) From Platinum(iv), Copper(ii) and Mercury(ii)-Rupal Shah, Surekha DeviContinued on inside back cover-THE ROYALCHEMISTRYl~fofTflationServices Cambridge, EnglandTypeset and printed by Black Bear Press Limited,0003-2654C199616:l-81 3 Simple Flow Injection Spectrofluorimetric Method for Speciation of Thallium-Tomas Perez-Ruiz, CarmenMartinez-Lozano, Virginia Tomas, Rocio CasajusATOMIC SPECTROSCOPY/SPECTROMETRY81 7825Anion Mobilization From Aqueous Media by Ion Associate Extraction Into Supercritical Carbon DioxideWith On-line Detection by Flame Atomic Absorption Spectrometry-Jin Wang, William D.MarshallInductively Coupled Plasma Atomic Emission Spectrometric Determination of Gallium, Phosphorus andOther 0x0-anion Forming Elements in Geological Materials-K. Satyanarayana, K. Subramaniam, A. V.Raghunath, G. V. RamanaiahMOLECULARSPECTROSCOPY/SPECTROMETRY831835Enhancement by Cycloalkanes of the Chemiluminescent Oxidation of Sulfite-David A. Paulls, AlanTownshendIn Situ Surface Enhanced Resonance Raman Scattering Analysis of a Reactive Dye Covalently Bound toCotton-P. C. White, C. H. Munro, W. E. SmithCapillary Electrophoretic Separation of Metal Ions in the Presence of Polyethylene Glycols-CostasStathakis, Richard M.CassidyHigh-performance Liquid Chromatography Coupled With Array Inductively Coupled Plasma OpticalEmission Spectrometry for the Separation and Simultaneous Detection of Metal and Non-metal Species inSoybean Flour-Jorg Schoppenthau, Joachim Nolte, Lothar DunemannDiscriminative Analysis of Zooplankton Individuals by Pyrolysis-Gas Chromatography Combined WithOn-line Methylation-Yasuyuki Ishida, Shinichi Isomura, Shin Tsuge, Hajime Ohtani, Tatsuki Sekino,Masami Nakanishi, Takashi KimotoDevelopment of a Fluorescence Polarization lmmunoassay for the RGirtine Detection ofN-Desmethylzopiclone in Urine Samples-Erik Mannaert, Paul DaenensDevelopment and Evaluation of a Dipstick lmmunoassay Format for the Determination of AtrazineResidues On-site-Christine Wittmann, Ursula Bilitewski, Thomas Giersch, Ulrich Kettling, Rolf D.SchmidStabilized Needle Electrode System for In Vivo Glucose Monitoring Based on Open FlowMicroperfusion-Geraldine P. Rigby, Paul W. Crump, Pankaj VadgamaDevelopment of Ultraviolet-polymerizable Enzyme Pastes: Bioprocess Applications of Screen-printedL-Lactate Sensors-Ingrid Rohm, Meike Genrich, Wendy Collier, Ursula BilitewskiImpedance Sensor for Dissolved Nitrogen Oxide Using a Series Piezoelectric Crystal Device-Yuanjin Xu,Changyin Lu, Yan Hu, Lihua Nie, Shouzhuo YaoSEPARATION SCIENCE839845853BIOANALYTICAL857863SENSORS871877883887 CUMULATIVE AUTHOR INDEXN E w S AN D VIEWS 73N78N Conference DiaryBook and Software Reviews83N Courses84N89N Sensing A Better Future91 N Papers in Future Issues92N Technical Abbreviations and AcronymsInterviews with Professor G. Guilbault and Mr R. LundinCover picture: A composite of the significant elements discussed during the 'Sensors and Signals'symposium held in Dublin, showing the sensors (membrane and gas), signal processing andinterpretation of results