DNA extraction

There are many methods available for extracting DNA. The choice of which method to use depends on a number of factors, including the sample type and quantity; the speed and in some cases ability to automate the extraction procedure [1-4]; the success rate with forensic samples, which is a result of extracting the maximum amount of DNA from a sample and at the same time removing any PCR inhibitors that will prevent successful profiling [1, 5, 6]; the chemicals that are used in the extraction - most laboratories go to great lengths to avoid using hazardous chemicals; and the cost of the procedure. Another important factor is the experience of the laboratory staff.

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