20% (w/v) Sodium Dodecyl Sulfate (SDS) - - 100 mL

SDS, sodium dodecyl sulfate is an anionic surfactant. SDS is commonly used in laboratory as component of buffer for cell lysis, cell lysis during DNA extraction and mostly in SDS-PAGE running buffer. Indeed, SDS is an anionic detergent applied to protein sample to linearize proteins and to impart a negative charge to linearized proteins.