alexa Rapid silver staining and recovery of PCR products separated on polyacrylamide gels.
General Science

General Science

Journal of Forensic Research

Author(s): Sanguinetti CJ, Dias Neto E, Simpson AJ, Sanguinetti CJ, Dias Neto E, Simpson AJ

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Abstract A rapid silver-staining procedure for DNA fragments in polyacrylamide gels is described. The time required for band detection is 15 min and the limit of sensitivity 3 pg/mm2. PCR products subjected to this rapid staining protocol are readily recovered from the gel by excision and elution by incubation at 95 degrees C for 20 min. Bands of up to 3 kb have been recovered and reamplified from either recently prepared or dried gels. The rapid staining protocol significantly decreases the processing time required for silver-stained polyacrylamide gels, which is of particular importance in diagnostic situations. The recovery protocol allows individual bands from complex mixtures to be easily recovered for sequencing or probe preparation.
This article was published in Biotechniques and referenced in Journal of Forensic Research

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