Special Issue "Biomimetic Receptors and Sensors"
A special issue of Sensors (ISSN 1424-8220).
Deadline for manuscript submissions: closed (31 March 2014)
Prof. Dr. Franz L. Dickert
Chemical Sensors and Optical Molecular Spectroscopy, Department of Analytical Chemistry, University of Vienna, 1090 Vienna, Austria
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Interests: chemical sensors; physical sensors; metrology; supramolecular chemistry; molecular imprinting; molecular recognition; biomimitics; intermolecular interactions; anisotropic phases; physicochemical basis of sensors
Molecular Recognition has been the dominant challenge of chemistry over the last decades. According to J.-M. Lehn, tackling this challenge can lead to biomimetic receptors realized by supramolecular chemistry—molecular systems based on interactions between molecules and ions. In this way, innovative receptors can be designed mimicking biological analogues, such as antibodies and enzymes. These phenomena can be understood according to host–guest chemistry. Synthetic crown ethers, e.g. as synthesized by C.J. Pedersen, show a high selectivity to potassium ions, in analogy to the cyclic antibiotic valinomycin. Template-directed syntheses are often used to create synthetic receptors using biomimetic strategies. These ideas are further developed by molecular imprinting, embedding these receptors created by template-directed synthesis into a robust polymer. Furthermore, these processes are based on self-organisation without time-consuming synthesis. These biomimetic coatings can selectively bind both ions and neutral molecules to complex bioanalytes. SPE leads to cleaning and selective enrichment of analytes. These materials are favourably used as sensitive layers for sensors combined with a variety of transducer principles such as optical, electrochemical and mass-sensitive detection. Analytes are widely available from the environment, and applications are obvious for environmental challenges, bio/medical and process engineering monitoring. The size of analytes cover a wide range, from sub-nano-metre for molecules to micro-metre for biological particles.Prof. Dr. Franz Dickert
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- biomimetic receptors
- supramolecular and host-guest chemistry
- imprinted polymers
- molecule and ion detection