4X SDS Sample Buffer The 4X SDS Sample Buffer is a standard formulation commonly used for SDS-PAGE analysis of proteins. The solution includes DTT for complete denaturation of disulfid bonds. The buffer can be used at 2X for most applications. 产品信息 Avoid freeze/thaw 是的 商店和运输信息 Storage -20°C Ship Shipped at Ambient Temperature or with Blue Ice or with Dry Ice Harmful