This book constitutes the refereed proceedings of the 9th International Conference on Discovery Science, DS 2006, held in Barcelona, Spain in October 2006, co-located with the 17th International Conference on Algorithmic Learning Theory, ALT 2006. The 23 revised long papers and the 18 revised regular papers presented together with five invited papers were carefully reviewed and selected from 87 submissions.
This volume is ba. sed on the presentations gi ven at the ElectroFinnAnalysis conference held on J une 6-9, 1988 in Turku-Äbo, Finland. This event was the second in a series of electroanalytical conferences. The first was held in Ireland 1986 and the next will be held in Spain 1990. The aim of these conferences is tobring tagether scientists who use electroanalytical methods in their research. This is also reflected in the disposition of this volume where instrumentation and applications from the different fields have their own chapters. The editors are grateful to Mr. Johan Nyman, Mr. Kent Westerbolm and Mr. Markku Lehto for their technical assistance during the editorial work of this volume. Ari Ivaska Andrzej Lewenstam Ralf Sara V CONTENTS lntroduction Ari Ivaska ELECTROCHEMICAL INSTRUMENTATION AND METHODS New Instrumental Approaches to Fast Electro-Chemistry at Ultramicroelectrodes ... 5 Larry R. Faulkner, Michael R. Walshand Chuanjing Xu Photoelectroanalytical Chemistry - Methods and Instrumentation ... 15 J ouko J. Kaukare Experiences of an On-Line Fourier Transform Faradaic Admittance Measurement (FT-FAM) SystemBasedon Digital Signal Processors ... ... 21 Sten 0. Engblom, Mikael Wasberg, Johan Bobacka and Ari Iva. ska Processor-Controlled Fast Potentiostat . '. . . 31 J. Kaukare and J. Lukka. ri Smoothing of AC Polaragraphie Data by FFT Filtering . ' ... 37 J oha. n Bobacka. a. nd Ari Jvaska Reverse Pulse Voltammetry at Microelectrodes. New Possibilities in Analytical Chemistry ... 47 Zbigniew Stojek Multiple Sensor Arrays: Advantages and lmplications 51 Dermot Diamond Simultaneaus ESR-Electrochemical Investigations at Solid Electrodcs.
Each year, the concentration of dissolved inorganic carbon (DIC) in the mixed layer at Station S in the Sargasso Sea decreases from winter to summer by about 30 umol/kg. The authors of this study demonstrate that by simultaneously observing changes in the stable isotopic ration of DIC, it is possible to quantify the contribution of physical and biological processes to this summer-fall drawdown. They find that biology is the dominant contrbutor to the drawdown, but that physical processes also play an important role.