Manufacturing & Analytical Characterization
Joseph Campbell, PhD (he/him/his)
Senior Scientist
Prolytix - Essex Junction, VT
Essex Junction, Vermont
Description: Polysorbate 80 (PS80) is a highly heterogeneous, hydrophilic, nonionic surfactant commonly included in the formulation of biotherapeutics. The complex composition of PS80 as well as its lack of a chromophore present significant challenges to its determination. Using a mixed mode HPLC method we have improved upon an older reverse phase method for the analysis of PS80. The new method gives base line resolution, is faster and eliminates cumbersome sample preparation.