Method and Apparatus for Gender Selection Based on PH
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United States of America Patent
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Jan 28, 2016
app pub date -
Sep 18, 2015
filing date -
Jan 16, 2007
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Abstract
The present invention includes methods and apparatus to separate X or Y-chromosome bearing sperm cells in a population by first placing the population of sperm cells at physiological pH environment, and simultaneously contacting the population of sperm cells with one or more additional sub-environments with different pH values. The exposure allows mobile sperm cells bearing X or Y-chromosome to migrate to the different pH sub-environments, wherein each cell only exposed or come in contact with one pH sub-environment. Finally, the collecting X or Y-chromosome enriched population of sperm cells is performed.
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