Compressibility measurement of DOPG vesicles by optical tweezers = Optical tweezers를 이용한 DOPG vesicle의 compressibility 측정

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A new method to measure compressibility of a vesicle suspension was developed with optical tweezers. By compressibility measurement, we can study about interactions between vesicles. Large unilamellar vesicles were prepared with DOPG, cholesterol and DiI. In the ”optical bottle” created by the IR laser, we observed concentration increase near the beam spot. Using concentration increase versus IR laser intensity results, we developed the method to estimate the trapping energy per particle and virial coefficients. We also calculated compressibility of DOPG vesicle suspension and compared these results with theoretical ideal gas and hard-sphere cases.
Advisors
Kim, Mahn-Wonresearcher김만원researcherYoon, Tae-Youngresearcher윤태영researcher
Description
한국과학기술원 : 물리학과,
Publisher
한국과학기술원
Issue Date
2008
Identifier
301912/325007  / 020063182
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 물리학과, 2008. 8., [ v, 20 p. ]

Keywords

compressibility; vesicle; optical tweezers; 압축률; 광학 집게; 베지클

URI
http://hdl.handle.net/10203/48731
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=301912&flag=dissertation
Appears in Collection
PH-Theses_Master(석사논문)
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