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Computations identified Mn cations as candidate surface binding sites that undergo redox\u2010triggered changes in the strength of binding to nitrogen\u2010based LCs upon exposure to Cl\n                    <jats:sub>2<\/jats:sub>\n                    gas. Guided by these predictions, \u03bcm\u2010thick films of nitrile\u2010 or pyridine\u2010containing LCs were prepared on surfaces decorated with Mn\n                    <jats:sup>2+<\/jats:sup>\n                    binding sites as perchlorate salts. Following exposure to Cl\n                    <jats:sub>2<\/jats:sub>\n                    , formation of Mn\n                    <jats:sup>4+<\/jats:sup>\n                    (in the form of MnO\n                    <jats:sub>2<\/jats:sub>\n                    microparticles) was confirmed and an accompanying change in the orientation and optical appearance of the supported LC films was measured. In unoptimized systems, the LC orientational transitions provided the sensitivity and response times needed for monitoring human exposure to Cl\n                    <jats:sub>2<\/jats:sub>\n                    gas. The response was also selective to Cl\n                    <jats:sub>2<\/jats:sub>\n                    over other oxidizing agents such as air or NO\n                    <jats:sub>2<\/jats:sub>\n                    and other chemical targets such as organophosphonates.\n                  <\/jats:p>","DOI":"10.1002\/anie.201803194","type":"journal-article","created":{"date-parts":[[2018,6,22]],"date-time":"2018-06-22T04:10:25Z","timestamp":1529640625000},"page":"9665-9669","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Redox\u2010Triggered Orientational Responses of Liquid Crystals to Chlorine Gas"],"prefix":"10.1002","volume":"57","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4218-1570","authenticated-orcid":false,"given":"Tibor","family":"Szilv\u00e1si","sequence":"first","affiliation":[{"name":"Department of Chemical and Biological Engineering University of Wisconsin-Madison  1415 Engineering Drive 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