Study of PEG Tether Length of Pegylated-Lipid Sensing Films in QCM Odor Sensors
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概要
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Odor sensing system using quartz crystal microbalance (QCM) sensor array and pattern recognition technique has been for a long time an important research topic. Research of novel sensing materials for QCM odor sensors is vital for realization of artificial olfaction and related devices such as odor recorder. Herein we study quartz crystal microbalance (QCM, 20 MHz, AT-cut) sensors coated with lipopolymers with polyethylene glycol (PEG) as a tether. The tethers molecular weights were 1000, 2000 and 5000. In addition, we fabricated QCM sensors coated with PEGs of molecular weights 1000, 2000 and 4000. The fabricated sensors properties were evaluated during experiments of exposures to vapors of alcohols, esters and acids. From the obtained results it is clear that the tethers length (molecular weight) is an important factor influencing the resulting materials sensing properties. Sensititivity patterns of the lipopolymeric sensors were clealrly different from the ones for respective polymers. The obtained sensors seem to have a good capability to discriminate among odor samples according to the functional group of an odorant.
- 社団法人 電気学会の論文
- 2007-03-01
著者
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NAKAMOTO Takamichi
Department of Physical Electronics, Graduate School of Science and Engineering, Tokyo Institute of T
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Wyszynski Bartosz
Department Of Physical Electronics Tokyo Institute Of Technology
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Wyszynski Bartosz
Tokyo Institute Of Technology Department Of Physical Electronics
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Nakamoto Takamichi
Tokyo Institute Of Technology Department Of Physical Electronics
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Nakamoto Takamichi
Department Of Electrical And Electronics Engineering Tokyo Institute Of Technology
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SOMBOON Pakpum
Department of Physical Electronics, Tokyo Institute of Technology
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Somboon Pakpum
Department Of Physical Electronics Tokyo Institute Of Technology
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