The 20x Wash Buffer TBS (WB5) is designed for washing steps in situ hybridization (ISH) procedures on cytological or formalin-fixed, paraffin-embedded specimens. It is meant to be used with Gene Bio Solution probes and implementation kits, intended exclusively for professional use. All tests involving the product should be conducted in a certified and licensed anatomic pathology laboratory, supervised by a pathologist/human geneticist, and executed by qualified personnel.