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Paper strip method for DNA extraction from agarose gels
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DNA Extraction via Chelex
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These are excellent for extracting DNA if you can afford them. They cost 1–2 US$ each. Manufacterers include Qiagen, Sigma, Novagen
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This a general method that may not work for all cell/tissue samples - tweak the solvent volumes per quantity of cells, centrifugation time and sonication may be applied for samples that are difficult to disrupt. For chloroform - handle under a chemical safety hood.
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A Salting Out Procedure for DNA extraction from cheek cells obtained by rinsing the mouth with 25mls of any commercial mouth wash solution available for about 30sec the first thing in the morning. It is important not to brush your teeth before collecting the specimen.