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 of the cell viability assay of the nonwoven silk fabrics prepared using fibers from different silk cocoon layers. The white bars represent 200 μm.
| Control | 1st Layer | 2nd Layer | 3rd Layer | 4th Layer | 5th Layer | |
|---|---|---|---|---|---|---|
| 24 h |
|
|
|
|
|
|
| 48 h |
|
|
|
|
|
|
