Scientific Library

Polyethylene Glycols (aka. PEGs) are biologically inert, non-immunogenic, and hydrophilic molecules. These properties make them very attractive for research and drug discovery applications (ex. Antibody-Drug

Tetramethylbenzidine (TMB) is a classic substrate for peroxidase activity that is used for microwell plate analysis such as an ELISA test. A quantitative color change from yellow to blue reveals the activity