The Comparison of PCR Kits for the Detection of Erythrocytic Parasites on Filter Paper

Table 1

Characteristics of four types of filter papers.

Filter papers	Whatman CF12	Advantec 545	Sangon Gel Blot paper	Wuhan Jesiman Filter Paper
Weight (g/m^2)	182–187	177–182	184–187	110–115
Thickness (mm)	0.47–0.51	0.42–0.44	0.28–0.30	0.23–0.25
Human blood absorption time (s/50 μl)	5	4	553–1072	35–68
Human blood spot diameter (mm)	11–12	11–13	10–15	15–18
Mice blood absorption time (s/50 μl)	4	3	577–668	19–21
Mice blood spot diameter (mm)	12–13	13	12–15	17
Regularity of blood spot	Yes	Yes	No	No
Blood leakage (50 μl)	No	No	Yes	Yes
Price (USD/m^2)	39.66	29.05	23.56	17.44

The price was calculated based on the exchange rate: 1 CNY = 0.159 USD.