- - What is GPC?
- - What is the structure of PS-OBG?
- - What do Mw, Mn, Mz, Mp and Pd stand for?
- - How to choose the appropriate GPC standards?
- - What are concretely the advantages of Putus GPC standards?
- - What are the differences between PS-OBG and Pullulan or Dextran?
- - Compared to Pullulan and Dextran, what is the difference when you use PS-OBG as GPC standards?