Methods and apparatuses for processing blood and other biological samples
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United States of America Patent
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Dec 8, 2020
Grant Date -
Feb 8, 2018
app pub date -
Oct 11, 2017
filing date -
Apr 28, 2015
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Abstract
Systems and methods for the high yield extraction and recovery of higher quality target molecule(s) (e.g., DNA, RNA, protein, lipids, metabolites) from blood spots. High quality DNA recovered from dried blood spots can be an input source for high throughput analytical methods, such as for polymerase chain reaction (e.g., qPCR) and/or next generation sequencing (NGS). In various embodiments, at least 20.0 nanograms of nucleic acid (e.g., DNA, RNA), or at least 8.0 milligrams of protein, may be extracted and recovered per an amount of dried blood corresponding to approximately 5 microliters of fresh blood. In some embodiments, a majority (e.g., greater than 50%, greater than 60%, up to 95-100%) of the nucleic acid that is extracted and recovered from the blood spot via focused acoustics may be of a quality suitable for amplification via PCR or NGS.
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