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SEPARATION METHOD OF BIOLOGICAL OBJECTS RELATIVE TO THEIR VISCOELASTIC PROPERTIES
SEPARATION METHOD OF BIOLOGICAL OBJECTS RELATIVE TO THEIR VISCOELASTIC PROPERTIES
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机译:与其粘弹性特性相关的生物对象的分离方法
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摘要
The present invention relates to a method for the separation of biological objects in a solution which have different viscoelastic properties, wherein said method comprises a filtration step allowing the higher viscoelastic biological objects to pass through the membrane while retaining the lower viscoelastic biological objects above the membrane, and a recovery step wherein the separated lower viscoelastic biological objects are recovered above or onto the membrane and/or the separated higher viscoelastic biological objects are recovered in the filtrate. Advantageously, the biological objects are cells. More advantageously, the recovered cells are viable cells. In one preferred embodiment, the cells are tumor cells. In another preferred embodiment, the cells are fetal cells and the method finds an application in prenatal diagnosis.
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