Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2023 Jan 25;11:1110604. doi: 10.3389/fbioe.2023.1110604

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2023 Lin, Lin, Zhou, Yang, Lin, Li, Zhang, Ouyang, Zhu, Sun, Huang, Liao and Zhu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

In vitro release of Rhodamine B from the MNs into the agarose hydrogel that acted as a skin model. (A) Schematic for the vitro release design. (B) Left: Snapshot showing the depthwise color change in the cross section of the agarose hydrogel after Rhodamine B (10 mg/ml) release from the microneedles over time. Right: Line graph of RGB color change of scanned image, analyzed with Photoshop software. X-axis represents the grey level at the corresponding position, and Y-axis indicates the grey levels of each color channel (Red, Green, Blue). PN MNs: physically crosslinked network MNs. Points represent means ± SD. (n = 3).