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Author Lieberzeit, P.; Afzal, A.; Rehman, A.; Dickert, F.
Title Nanoparticles for detecting pollutants and degradation processes with mass-sensitive sensors Type Journal Article
Year 2007 Publication Sensors and Actuators B: Chemical Abbreviated Journal Sensors and Actuators B: Chemical
Volume 127 Issue 1 Pages 132-136
Keywords molecular imprinted polymer, MIP, recognition, quartz crystal microbalance, QCM, mass-sensitive sensor, detector
Abstract Compared with thin films, nanoparticle layers as coatings for QCM offer substantially increased interaction areas and sensitivities with favourable response times. Molybdenum disulphide (MoS2), e.g. has turned out to be a highly suitable material for interacting with thiols. The resulting materials are sufficiently soft according to Pearson to bind sulphur containing compounds reversibly. Depositing MoS2 nanoparticle submonolayers (particle size 200–300 nm) leads to an increase in sensor response by a factor of ten compared to a pure gold layer. Additionally, the nanoparticle layers show fully reversible sensor signals. Particle synthesis can also be combined with the molecular imprinting approach: by a precipitation technique, it is possible to generate molecularly imprinted TiO2 particles for engine oil degradation measurements. Compared with deposited thin layers, particles incorporate oxidised compounds from lubricants by a factor of two better.
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ISSN 0925-4005 ISBN Medium
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Call Number Serial 568
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Title Проект Радиоастрон Type
Year 2007 Publication Abbreviated Journal
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Language russian Summary Language Original Title
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Call Number RPLAB @ s @ RADIOASTRON_site_rus Serial 393
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Title Atacama large millimeter/submillimeter array Type
Year 2007 Publication Abbreviated Journal
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Call Number RPLAB @ s @ ALMA_proj Serial 403
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Author
Title Проект Миллиметрон Type
Year 2007 Publication Abbreviated Journal
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Language russian Summary Language Original Title
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Call Number RPLAB @ s @ MILLIMETRON_site_rus Serial 395
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Title Radioastron space VLBI mission Type
Year 2007 Publication Abbreviated Journal
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Call Number RPLAB @ s @ RADIOASTRON_site Serial 394
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