Presentation 2013-01-24
Measurement of the specific adsorption of biotinylated microbubbles using a quartz crystal microbalance
Takashige MURAMOTO, Ryosuke SHIMOYA, Kenji YOSHIDA, Yoshiaki WATANABE,
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Abstract(in English) In addition to the application of microbubbles as contrast agent for diagnostic ultrasound, microbubbles are also applied as the drug camer in drug delivery system. Targeting microbubbles enables to get the strong signal on ultrasound tissue imaging and deliver drug to the objective site. In this report, we prepared biotinylated mirobubbles and evaluated the specific adsorption of microbubbles with a quartz crystal sensor. When a substance deposited on the QCM electrode, the resonance frequency decreases. By tracking resonance frequency, we can observe attachment of microbubbles. We attached Biotin-SAMs on the QCM electrode and monitored binding behavior of streptavidm and biotinylated microbubles. The resonance frequency declined rapidly by biotinylated microbubbles compared to the case of normal microbubbles. That indicates this method is effective to evaluate the specific adsorption of microbubbles
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Keyword(in English) Ultrasound / Microbubble / Specific adsorption / Piezoelectric sensor / Drug Delivery System
Paper # US2012-88
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Committee US
Conference Date 2013/1/17(1days)
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Language JPN
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Title (in English) Measurement of the specific adsorption of biotinylated microbubbles using a quartz crystal microbalance
Sub Title (in English)
Keyword(1) Ultrasound
Keyword(2) Microbubble
Keyword(3) Specific adsorption
Keyword(4) Piezoelectric sensor
Keyword(5) Drug Delivery System
1st Author's Name Takashige MURAMOTO
1st Author's Affiliation Faculty of Life and Medical Sciences,Doshlsha University()
2nd Author's Name Ryosuke SHIMOYA
2nd Author's Affiliation Faculty of Engeneering,Doshlsha University
3rd Author's Name Kenji YOSHIDA
3rd Author's Affiliation Faculty of Life and Medical Sciences,Doshlsha University
4th Author's Name Yoshiaki WATANABE
4th Author's Affiliation Faculty of Life and Medical Sciences,Doshlsha University
Date 2013-01-24
Paper # US2012-88
Volume (vol) vol.112
Number (no) 387
Page pp.pp.-
#Pages 6
Date of Issue