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.
A 2D concentration gradient aECM pattern created through dynamic mask optical lithography. (a) The computer-aid-designed gray-scale mask pattern displayed on DMD. (b) The fluorescence image of corresponding gradient aECM pattern made through lithography. (Scale bar 100 μm). (c) The characterization curve of protein gradient versus gray scale of the mask pixel
