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Author  |
Lieberzeit, Peter A.; Dickert, Franz L. |
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Title |
Chemosensors in environmental monitoring: challenges in ruggedness and selectivity |
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Journal Article |
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Year |
2009 |
Publication |
Analytical and Bioanalytical Chemistry |
Abbreviated Journal |
Anal Bioanal Chem |
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393 |
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2 |
Pages |
467-472 |
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Keywords |
environmental monitoring, in situ sensing, artificial recognition materials, real-life application, molecular imprinting, QCM |
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Abstract |
Environmental analysis is a potential key application for chemical sensors owing to their inherent ability to detect analytes on-line and in real time in distributed systems. Operating a chemosensor in a natural environment poses substantial challenges in terms of ruggedness, long-term stability and calibration. This article highlights current trends of achieving both the necessary selectivity and ruggedness: one way is deploying sensor arrays consisting of robust broadband sensors and extracting information via chemometrics. If using only a single sensor is desired, molecularly imprinted polymers offer a straightforward way for designing artificial recognition materials. Molecularly imprinted polymers can be utilized in real-life environments, such as water and air, aiming at detecting analytes ranging from small molecules to entire cells. |
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1618-2642 |
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564 |
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