Title :
The effect of calcium (Ca2+) induced externalization of ankyrin and phosphatidylserine on the viscoelasticity of human red blood cells measured by jumping optical tweezers
Author :
Yin-Quan Chen ; Yi Chun Ho ; Sung, L.A. ; Chiou, A.
Author_Institution :
Nat. Yang Ming Univ., Taipei, Taiwan
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%.
Keywords :
Young´s modulus; biological techniques; biomechanics; blood; calcium; cellular biophysics; radiation pressure; viscoelasticity; viscosity; Ca2+; Young´s modulus; ankyrin externalization; calcium effect; human red blood cell; jumping optical tweezers; phosphatidylserine externalization; viscoelasticity;
Conference_Titel :
Communications and Photonics Conference (ACP), 2012 Asia
Conference_Location :
Guangzhou
Print_ISBN :
978-1-4673-6274-0