Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
The PyroDetect System was the first MAT kit available on the market and Merck is the only supplier of a commercial MAT. PyroDetect system uses cryoblood (frozen human whole blood) and interleukin-1β as a read-out in the ELISA.