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Conferences > CLEOPR > 2011 > OTT > C149
  • Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011
  • (Optica Publishing Group, 2011),
  • paper C149

Using Differential Confocal Microscopy to Measure the Membrane Rigidity of a Lipid Vesicle in Optical Trap

Chau-Hwang Lee, Tze-Hsuan Liu, Jian-Long Xiao, and Jiunn-Yuan Lin

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Abstract

We use laser tweezers to trap a lipid vesicle and differential confocal microscopy to measure the out-of-plane fluctuations of the membrane. Bending rigidities of fluidic- and gel-phase membranes are obtained from the measured fluctuation amplitudes.

© 2011 AOS

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