A device for automated hydrodynamic shearing of genomic DNA
Author(s) -
Aric Joneja,
Xiaohua Huang
Publication year - 2009
Publication title -
biotechniques
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.617
H-Index - 131
eISSN - 1940-9818
pISSN - 0736-6205
DOI - 10.2144/000113123
Subject(s) - shearing (physics) , body orifice , genomic dna , microfluidics , dna , materials science , biology , nanotechnology , genetics , anatomy , composite material
We describe a device for automated fragmentation of genomic DNA by hydrodynamic shearing using a filter screen with uniform pores. Human genomic DNA can be fragmented reproducibly to a range of 2000-12,000 bp by using various fluid flow rates and screens with 0.5-10-microm pores. The utilization of disposable screens eliminates sample cross-contamination and the tendency of device clogging, commonly encountered in single-orifice shearing devices.
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