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Table 2 Permutations for human clinical samples

From: Optimisation of the DNA dipstick as a rapid extraction method for Schistosoma japonicum in infected mice samples and spiked human clinical samples

 

Faeces

Urine

Sera

1

Heat + metal beads

Genomic DNA

Naturally infected samples

2

Metal beads—shake vigorously

Cracked eggs

Naturally infected samples + heat

3

Metal beads + PK

Genomic DNA + filter paper

4

Metal beads + PK + heat

Cracked eggs + filter paper

5

Silica beads + PK

Cracked eggs + 37 °C + 10 min

6

Silica beads + heat

Cracked eggs + 65 °C + 10 min

7

Silica beads + PK + heat

Cracked eggs + 95 °C + 10 min

8

Cracked eggs + 37 °C + 20 min

9

Cracked eggs + 65 °C + 20 min

10

Cracked eggs + 95 °C + 20 min

11

Cracked eggs + 37 °C + 30 min

12

Cracked eggs + 65 °C + 30 min

13

Cracked eggs + 95 °C + 30 min

14

Naturally infected samples filtered and allowed to dry O/N + lysis buffer

15

Naturally infected samples filtered and allowed to dry O/N + 600 µl milliQ water

  1. *Lysis buffer was added in all permutations except samples where genomic DNA was used
  2. PK Proteinase K, O/N overnight, – not applicable