Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Effects of pH and molecular weight of PEI on layer thickness after 10 min incubation. In total, five polyelectrolyte layers were generated on planar (a) silanized with (3-glycidoxypropyl)trimethoxy silane and (b) non-silanized silicon surfaces using PEI with HMW = 750 kDa or LMW = 1.2 kDa.
