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Correlation of the size and shape of the solid particles in synovial fluid and knee joint disease
Zhen-Gang Zha,Cheng-Can Yao,Mei Tu,Yao-Xiong Huang 한국물리학회 2007 Current Applied Physics Vol.7 No.s1
The shape and size of solid particles and their distribution in synovial uid were observed and determined as functions of knee jointdiseases by using a multi-dimensional microscope. The results show that there is a close correlation between them, so that the measurement of the parameters might offer a reliable method for diagnosing joint diseases at an early stage and their prognosis.
Effects of incubation pH on the membrane deformation of a single living human red blood cell
Cheng-Can Yao,Zhen-gang Zha 한국물리학회 2007 Current Applied Physics Vol.7 No.s1
(RBC) were studied. A novel multi-dimensional microscope was employed to perform real time, non-invasivein situmeasurementson the cell shape and size, as well as the membrane bending and shearing elastic moduli of the cell. A phase-analysis micro-electropho-resis laser scattering technique was used to measure the surface charge density. It was shown that the incubation pH markedly inuencesthe surface charge density and the membrane elastic properties of the RBCs and thus leads to a change in their morphology anddeformability.