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Fig. 4 | Chinese Medicine

Fig. 4

From: Specific DNA identification of Pheretima in the Naoxintong capsule

Fig. 4

The sensitivity test of NXTC using primers AF3R1. DNA templates of NXTC (50 ng/μl) (50) were fivefold serial-diluted (51 to 57) and were amplified using specific primers AF3R1. The suggested detection limit of DNA concentration of NXTC was 10 ng/μl, which was indicated by red arrow. Pheretima-deficient NXTC (T40) was made as the negative control. M:DNA ladders, N:PCR without DNA template

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