Anyone with a history of immediate allergic reaction of any severity to any component of mRNA COVID-19 vaccines or to polysorbate should not be vaccinated, the CDC said in updated interim guidance.

HPLC coupled with charged aerosol detection is a suitable analytical technique to quantitate and characterize polysorbate-80 in therapeutic products; allowing quality assessment of raw material, ...

EtO is broadly utilized as a feedstock in chemical production, including in producing polyethylene glycols (PEGs), used as emulsifiers and surfactants in perfumes, cosmetics, and pharmaceuticals. 1 ...