Hierarchical polyethylene glycol (PEG) structure on a nanoparticle surface for drug delivery. Courtesy ACS Nano Nanoparticles avoid liver cells thus circulating longer in the bloodstream. Courtesy ACS ...
The crystal structure of PEG-PDI is achieved using cobaltocene as a reducing agent and omitting solvents and hydrogen atoms for clarity. Carbon atoms are gray, nitrogens are blue, oxygens red and ...