Construction of chromosome fiber analysis platform using MEMS technology

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In this study, we propose a simple observation method of the shape and molecular orientation of the chromosomes extracted from cells. The proposed technique is composed of total preparation technique such as cell immobilization, chromosomes extraction, stretching, suspension and analysis using a disposable microchip controlled by centrifugal force only. It is experimentally confirmed that the chip having two kinds of microstructures arranged concentrically on a chip immobilizes cells and stretches chromosomes extracted from the immobilized cells for a sample-to-analysis system in clinical diagnosis.