Longstreet Ashley R, Chandler Rebecca R, Banerjee Tanmay, Zane Miller L, Hanson Kenneth, Tyler McQuade D
Department of Chemistry & Biochemistry, Florida State University, 95 Chieftan Way, Tallahassee, Florida 32306, USA.
Photochem Photobiol Sci. 2017 Apr 12;16(4):455-458. doi: 10.1039/c7pp00021a.
Two ylidenemalononitrile enamines, adsorbed to various media, undergo a cyclization reaction with primary amine vapors resulting in a fluorometric and colorimetric response. After determining the media with the fastest response rate for emission "turn-on" to be aluminum oxide activated neutral (AON), we further demonstrate the sensitivity (propylamine concentrations as low as 200 ppm are detected) and selectivity to various analytes including amines, methanol, and ethanethiol. Lastly, as an alternative means of detection, the colorimetric response dye on glass filter paper was shown to detect propylamine concentrations as low as 29 ppm.
两种吸附在各种介质上的亚甲基丙二腈烯胺与伯胺蒸汽发生环化反应，产生荧光和比色响应。在确定发射“开启”响应速度最快的介质为中性氧化铝（AON）后，我们进一步证明了其对包括胺、甲醇和乙硫醇在内的各种分析物的灵敏度（可检测低至200 ppm的丙胺浓度）和选择性。最后，作为另一种检测方法，玻璃滤纸上的比色响应染料被证明能够检测低至29 ppm的丙胺浓度。
