Sensing capability of molecularly imprinted self-assembled monolayer fabricated using dithiol compound

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Synthesis of 3,5-di(6-mercaptohexyloxy)toluene (DMHT) was achieved starting from orcinol. A molecularly imprinted self-assembled monolayer (SAM) was fabricated by forming an SAM with both DMHT and the template molecule (cholesterol), followed by removal of the template molecules by solvent extraction. These imprinted SAMs were capable of discriminating the imprinted substrate. The stability of the imprinted SAMs was estimated precisely using a quartz crystal microbalance. In comparison to the results used monothiol compounds, the duration of the sensing capability of this imprinted SAM was improved greatly. The two thiol functional groups in DMHT clearly had a significant effect on the duration.
Publisher
ELSEVIER SCIENCE INC
Issue Date
2014-01
Language
English
Article Type
Article
Keywords

ULTRATHIN FILMS; RECOGNITION; SURFACE; SENSOR; CHOLESTEROL; TNT; NANOPARTICLES; ADSORPTION; POLYMERS; STRATEGY

Citation

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.20, no.1, pp.91 - 95

ISSN
1226-086X
DOI
10.1016/j.jiec.2013.04.022
URI
http://hdl.handle.net/10203/188703
Appears in Collection
RIMS Journal Papers
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