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Open Access Advanced Materials and Measuring Techniques for Chemical Sensors

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This overview focuses on modifications of chemical compounds used in the development of chemical sensors, and on materials and chemical sensors which may be sufficiently mature to be used in the industry. Special attention is paid to gas-selective optode membranes which incorporate compounds such as cobyrinate derivatives and Ru(II)complexes that are chemically modified in view of a specific application. New materials are described, e.g. the magnesium-selective ionophores currently used for diagnostic applications, and a class of substituted polymethine dyes characterized by an amine donor and a bisdicyanovinyl-ideneindandione acceptor group, where the target pK a can be modulated by decisive substituents.

Three projects are discussed in more detail: 1) the development of ion-selective nanoprobes on the basis of coated AFM-tips; 2) reactands and chromoreactands which are covalently bound to acrylate-based copolymers and allow to monitor alcohols and amines continuously, and 3) a continuous-flow module integrating a fiber-optical probe that allows to monitor variations in the absorption spectrum of chromoreactands in the transflection mode.

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Document Type: Research Article

Publication date: March 1, 1999

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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