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

. 2021 Feb 17;16:1331–1344. doi: 10.2147/IJN.S293736

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

© 2021 Zhang et al.

This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php).

PMC Copyright notice

Characterization of NPs. (A) Digital photos of ICG, the lipid film of CREKA-LIP NPs, CREKA-LIP NPs, and CREKA-ICG-LIP NPs solutions. (B) Optical microscopy image (scale bar = 10 um) and (C) TEM image (scale bar = 200 nm) of CREKA-ICG-LIP NPs. (D) Average size and (E) zeta potential of CREKA-ICG-LIP NPs, ICG-LIP NPs, and CREKA-LIP NPs. (F) Size of CREKA-ICG-LIP NPs at different time points (1 d, 3 d, 5 d, 7 d). (G) UV-vis-NIR spectra of ICG solution at different concentrations (2, 4, 6, 8, and 10 µg/mL). (H) Standard curve of ICG solution at 780 nm. (I) UV-vis-NIR spectra of ICG, CREKA-ICG-LIP NPs, and CREKA-LIP NPs.