Micropreconcentration units based on carbon nanotubes (CNT) |
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Authors: | Chaudhery Mustansar Hussain Somenath Mitra |
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Institution: | (1) Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ 07102, USA; |
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Abstract: | Carbon nanotubes (CNT) have some highly desirable sorbent characteristics which make them attractive for a variety of analytical
applications. High adsorption capacity and rapid desorbability make CNT excellent candidates for micro-scale devices for gas
and liquid-phase analysis. In gas-phase analysis one can implement a micro-concentrator or a micro-sorbent trap, which have
been used in a variety of on-line chromatography and sensing applications. Interesting liquid-phase microtrapping applications
include micro-scale solid-phase extraction (μ-SPE) and solid-phase micro extraction (SPME). In addition, the ease of surface
functionalization, self assembly by chemical vapor deposition, and the formation of diverse polymer composites may well make
CNT the high-performance sorbent of the future. |
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Keywords: | |
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