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Table 1 Characteristics of Rapid Diagnostic Tests (RDTs)

From: A comparative evaluation of the performance of commercially available rapid immunochromatographic tests for the diagnosis of visceral leishmaniasis in Bangladesh

Manufacturer Product Format Storage Temp. Control line Test line Sample volume (μl) Buffer volume (drops) Min. Reading time (Minute) Max. Reading time (Minute)
Span diagnostic Ltd. (Surat, India) Signal®KA Cassette 2–8 °C Yes rkE16 20 μl of serum/blood in 80 μl of saline. 50 μl of diluted sample Step 1:2 2 10
Step 2:2
Step 3:3
Span diagnostic Ltd. (Surat, India) Crystal®KA Dipstick 2–30 °C Yes rkE16 Blood 20 μl 5 15 30
Serum 20 μl
CTK Biotech. Inc (San Diego, USA) On site Leishmania Ab (Rev A) rapid test Cassette 4–30 °C Yes rk39 Blood 40 μl 1 1 15
Serum 30 μl
CTK Biotech. Inc (San Diego, USA) On site Leishmania Ab (Rev B) rapid test Cassette 4–30 °C Yes rk39 Blood 40 μl 1 1 15
Serum 30 μl
InBios international, Inc (Seattle, USA) Kala azar Detect™ Dipstick 4–30 °C Yes rk39 Blood 20 μl 3 10 10
Serum 20 μl