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.
Special-shaped microparticles prepared by droplet-based microfluidics. (a) Poly tripropyleneglycol diacrylate particles with different shapes determined by the microchannel dimension; (b) Polylactic acid (PLA) crescent-shaped composite microparticles from core-shell microcapsules in the microfluidic chip; (c) One-step prepared doughnut-shaped SiO2 microparticles. Reproduced with permission from [45,47,48].
