Proceedings of the Korean Society of Rheology Conference (한국유변학회:학술대회논문집)
- 2006.06a
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- Pages.61-64
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- 2006
Particle Tracking Microrheology and its application to dilute viscoelastic materials
입자추적 미세유변학의 묽은 점탄성 물질에 대한 응용
- Yim Yoon-Jae (School of Chemical and Biological Engineering, Seoul National University) ;
- Lee Sung-Sik (School of Chemical and Biological Engineering, Seoul National University) ;
- Ahn Kyung-Hyun (School of Chemical and Biological Engineering, Seoul National University) ;
- Lee Seung-Jong (School of Chemical and Biological Engineering, Seoul National University)
- Published : 2006.06.01
Abstract
Soft materials, such as polymer solutions, gels and filamentous protein materials in cells, show complicated behavior due to their complex structures and dynamics with multiple characteristic time and length scales. Several complementary techniques have been developed to measure viscoelastic of soft materials. Especially, particle tracking microrheology, using the Brownian motion of particles in a medium to get rheological properties, has recently been improved both theoretically and experimentally. Compared to other conventional methods, video particle tracking microrheology has some advantages such as small sample volume, detecting spatial variation of local rheological properties, and less damage to sample materials. With these advantages, microrheology is more suitable to measure the properties of complex materials than other mechanical rheometries.
Keywords