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Fig. 1 | BMC Research Notes

Fig. 1

From: Effects of freezing storage on the DNA extraction and microbial evaluation from anaerobic digested sludges

Fig. 1

Total bacteria (triangles) and methanogens (dots) in the four fresh and frozen sample types. Black and grey colours indicate DNA extraction from fresh sample (first extraction) and from 10 days-frozen storage samples, respectively. (A samples input secondary WWTP sludge; B samples output secondary WWTP sludge; C samples input mixed WWTP sludge; D samples output mixed WWTP sludge)

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