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.
Fluorescence images resulting from excitation with different lasers and bright field images. (a) Autofluorescence images of ABS, PET, PVC, and PLA excited with a 405 nm laser; (b) autofluorescence images of ABS, PET, PVC, and PLA excited with a 440 nm laser; (c) white light images of ABS, PET, PVC, and PLA. The scale bar indicates 50 µm.
