Laboratory Medicine and Quality Assurance

Table. 1.

The Wright-Giemsa staining procedure used in the standard staining protocol and the experimental staining protocol

Staining protocol Extra-fixation (min)* Undiluted Wright (min) Wright, min (dilution ratio) Giemsa, min (dilution ratio)
Standard - 2.5 3 (1:10) 5 (1:25)
E1 - 2.5 3 (1:5) 5 (1:25)
E2 - 2.5 4 (1:5) 5 (1:25)
E3 - 2.5 4 (1:10) 5 (1:25)
E4 - 2.5 3 (1:10) 5 (1:13)
E5 - 2.5 3 (1:10) 8 (1:13)
E6 - 2.5 3 (1:10) 8 (1:25)
E7 - 4.5 4.5 (1:5) 5 (1:25)
E8 - 1.0 1 (1:10) 15 (1:9)
E9 - 4.5 1 (1:10) 5 (1:25)
E10 - 1.0 4.5 (1:5) 5 (1:25)
E11 1 2.5 3 (1:10) 5 (1:25)
E12 2 2.5 3 (1:10) 5 (1:25)
E13 3 2.5 3 (1:10) 5 (1:25)
E14 4 2.5 3 (1:10) 5 (1:25)
E15 5 2.5 3 (1:10) 5 (1:25)

*The blood smear was fixed on the slide using methyl alcohol prior to fixation by automated slide stainer.

Lab Med Qual Assur 2023;45:18~24 https://doi.org/10.15263/jlmqa.2023.45.1.18
© Lab Med Qual Assur