4%PFA in PB (pH=7.4) 緩衝液

Paraformaldehyde solution 4% in 0.1M PB 緩衝試劑

4%多聚甲醛固定液（Paraformaldehyde-PB Fixative Solution）
Paraformadehyde 4% solution (PFA) (pH=7.4) 緩衝液

4%PFA in PB