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has anyone used any other method for extracting dna samples from liquid environmental samples other than filters ?
how about soil?
how about soil?
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What are you interested in looking at? Bacteria, eukaryotes, viruses, total? There are other methods for concentrating cells (differential centrifugation, tangential flow etc.) but it depends on what you're looking for and the volumes you're dealing with.
With soil there are a million different extraction procedures in the literature, many good and bad, but need a bit more detail to help
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