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.
Delivery of polystyrene beads. A. Amine-modified 1 µm polystyrene beads were conjugated to SPv using SPDP, and labeled with cy5. B. U87 cells treated with SPv-conjugated beads readily uptake the beads (red) 2 hrs following treatment. C. Merged channels in B with DIC showing distortion of cell membrane upon internalization of beads. D. Untreated cells. (Scale bar = 10 µm).
