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Extraction of genomic DNA using a new amino silica monolithic column
A new amino silica monolithic column was developed for DNA extraction in a miniaturized format. The monolithic column was prepared in situ by polymerization of tetraethoxysilane (TEOS) and N-(β-aminoethyl)-γ-aminopropylmethyldimethoxysilane (AEAPMDMS). DNA was loaded in 50 mM tris(hydroxylmethyl)ami...
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Published in: | Journal of separation science 2009-08, Vol.32 (15-16), p.2752-2758 |
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container_issue | 15-16 |
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container_title | Journal of separation science |
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creator | Liu, Lijia Yu, Shengbing Yang, Shuixian Zhou, Ping Hu, Jiming Zhang, Yibing |
description | A new amino silica monolithic column was developed for DNA extraction in a miniaturized format. The monolithic column was prepared in situ by polymerization of tetraethoxysilane (TEOS) and N-(β-aminoethyl)-γ-aminopropylmethyldimethoxysilane (AEAPMDMS). DNA was loaded in 50 mM tris(hydroxylmethyl)aminomethane-EDTA buffer at pH 7.0 and eluted with 300 mM potassium phosphate solution at pH 10.0. Under optimal condition, a 6.0-cm monolithic column provided a capacity of 56 ng DNA with an extraction efficiency of 71 ± 5.2% (X ± RSD). When the amino silica monolithic column was applied to extract genomic DNA from the whole blood of crucian carp, an extraction efficiency of 52 ± 5.6% (X ± RSD) was obtained by three extractions. Since the chaotropic-based sample loading and organic solvent wash steps were avoided in this procedure, the purified DNA was suitable for downstream processes such as PCR. This amino silica monolithic column was demonstrated to allow rapid and efficient DNA purification in microscale. |
doi_str_mv | 10.1002/jssc.200900208 |
format | article |
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The monolithic column was prepared in situ by polymerization of tetraethoxysilane (TEOS) and N-(β-aminoethyl)-γ-aminopropylmethyldimethoxysilane (AEAPMDMS). DNA was loaded in 50 mM tris(hydroxylmethyl)aminomethane-EDTA buffer at pH 7.0 and eluted with 300 mM potassium phosphate solution at pH 10.0. Under optimal condition, a 6.0-cm monolithic column provided a capacity of 56 ng DNA with an extraction efficiency of 71 ± 5.2% (X ± RSD). When the amino silica monolithic column was applied to extract genomic DNA from the whole blood of crucian carp, an extraction efficiency of 52 ± 5.6% (X ± RSD) was obtained by three extractions. Since the chaotropic-based sample loading and organic solvent wash steps were avoided in this procedure, the purified DNA was suitable for downstream processes such as PCR. This amino silica monolithic column was demonstrated to allow rapid and efficient DNA purification in microscale.</description><identifier>ISSN: 1615-9306</identifier><identifier>EISSN: 1615-9314</identifier><identifier>DOI: 10.1002/jssc.200900208</identifier><identifier>PMID: 19585530</identifier><language>eng</language><publisher>Weinheim: Wiley-VCH Verlag</publisher><subject>Actins - genetics ; Animals ; Carps - genetics ; Chromatography, Liquid - instrumentation ; Chromatography, Liquid - methods ; DNA - isolation & purification ; DNA purification ; Genome ; Genomic DNA ; Microfluidics ; Microscopy, Electron, Scanning ; Monolithic column ; Silicon Dioxide - chemistry ; Solid-phase extraction</subject><ispartof>Journal of separation science, 2009-08, Vol.32 (15-16), p.2752-2758</ispartof><rights>Copyright © 2009 WILEY‐VCH Verlag GmbH & Co. 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Sep. Science</addtitle><description>A new amino silica monolithic column was developed for DNA extraction in a miniaturized format. The monolithic column was prepared in situ by polymerization of tetraethoxysilane (TEOS) and N-(β-aminoethyl)-γ-aminopropylmethyldimethoxysilane (AEAPMDMS). DNA was loaded in 50 mM tris(hydroxylmethyl)aminomethane-EDTA buffer at pH 7.0 and eluted with 300 mM potassium phosphate solution at pH 10.0. Under optimal condition, a 6.0-cm monolithic column provided a capacity of 56 ng DNA with an extraction efficiency of 71 ± 5.2% (X ± RSD). When the amino silica monolithic column was applied to extract genomic DNA from the whole blood of crucian carp, an extraction efficiency of 52 ± 5.6% (X ± RSD) was obtained by three extractions. Since the chaotropic-based sample loading and organic solvent wash steps were avoided in this procedure, the purified DNA was suitable for downstream processes such as PCR. 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Since the chaotropic-based sample loading and organic solvent wash steps were avoided in this procedure, the purified DNA was suitable for downstream processes such as PCR. This amino silica monolithic column was demonstrated to allow rapid and efficient DNA purification in microscale.</abstract><cop>Weinheim</cop><pub>Wiley-VCH Verlag</pub><pmid>19585530</pmid><doi>10.1002/jssc.200900208</doi><tpages>7</tpages></addata></record> |
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subjects | Actins - genetics Animals Carps - genetics Chromatography, Liquid - instrumentation Chromatography, Liquid - methods DNA - isolation & purification DNA purification Genome Genomic DNA Microfluidics Microscopy, Electron, Scanning Monolithic column Silicon Dioxide - chemistry Solid-phase extraction |
title | Extraction of genomic DNA using a new amino silica monolithic column |
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