4.6 Article

A patterned colorimetric sensor array for rapid detection of TNT at ppt level

Journal

RSC ADVANCES
Volume 4, Issue 21, Pages 10672-10675

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra47152g

Keywords

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Funding

  1. DARPA RealNose program
  2. iSense LLC
  3. Korea NRF [2010-0029409, 2011-0031978]
  4. Department of Defence [JIEDDO/TSWG CB3614]
  5. National Research Foundation of Korea [2011-0031978, 2010-0029409, 2010-0027955] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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We describe a simple photolithographic method for patterning a porous membrane to create well-defined polymer walls to improve the printability of a colorimetric sensor array. The resulting array demonstrated highly selective detection of 2,4,6-trinitrotoluene (TNT) vapour and other nitroaromatic compounds.

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