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Conferences > ACPC > 2012 > ATh1E > ATh1E.4

The effect of calcium (Ca2+) induced externalization of ankyrin and phosphatidylserine on the viscoelasticity of human red blood cells measured by jumping optical tweezers

Yin-Quan Chen, Yi Chun Ho, Lanping Amy Sung, and Arthur Chiou

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Abstract

We trapped and stretched individual human red blood cells via jumping optical tweezers to demonstrate that calcium (Ca2+) induced externalization of ankyrin and phosphatidylserine increased their Young’s modulus by 38% and viscosity by 25%.

© 2012 Optical Society of America

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