Aromatic Hydrocarbon Detection Using Self-Assembled Monolayer Coated Cantilevers

机译：自组装单层涂层悬臂检测芳烃

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The presence of toluene and xylene is sensed via surface stress induced deflection of microcantilevers functionalized with self-assembled monolayers (SAMs). Monolayers are formed on gold coated cantilevers using alkanethiols, mercaptanols, and aromatic thiols. These coatings create a variety of chemical functionalities at the cantilever surface, which impact the interactions between target molecules and the cantilever. The differential responses of the cantilevers are investigated as a means to selectively detect aromatic vapors at parts per thousands (ppt_h) levels.

机译：甲苯和二甲苯的存在是通过表面应力诱导的用自组装单分子层（SAMs）功能化的微悬臂梁的挠曲来检测的。使用烷硫醇，硫醇和芳族硫醇在镀金悬臂上形成单层。这些涂层在悬臂表面产生各种化学功能，这会影响目标分子与悬臂之间的相互作用。悬臂的微分响应被研究为一种以千分之几（ppt_h）的水平选择性检测芳族蒸气的手段。

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《Symposium Proceedings vol.915; Symposium on Nanostructured Materials and Hybrid Composites for Gas Sensors and Biomedical Applications; 20060418-20; San Francisco,CA(US)》|2006年|P.95-101|共7页
会议地点 San FranciscoCA(US)
作者
Andrew E Riley; Alan M Schilowitz; Dalia G Yablon; Mark M Disko;
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ExxonMobil, 1545 Route 22 East, Annandale, NJ, 08801;

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正文语种 eng
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Aromatic Hydrocarbon Detection Using Self-Assembled Monolayer Coated Cantilevers

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