Biologix Wash Buffers, sterilized by 0.22 μm filtration, DNase & RNase free, Protease-free, Pyrogen-free, are ideal for IHC, Western Blot, ELISA, Southern blot, Northern blot, and other immunoassay. They serve as antibody diluents or non-specific antibody washes containing PBS, PBST, TBS, TBST, and SSC buffers.