NIR-II window absorbing graphene oxide-coated gold nanorods and graphene quantum dot-coupled gold nanorods for photothermal cancer therapy-Reference-Cited by-同舟云学术

NIR-II window absorbing graphene oxide-coated gold nanorods and graphene quantum dot-coupled gold nanorods for photothermal cancer therapy

Published:2023-01-01 Issue:1 Volume:12 Page:
ISSN:2191-9097
Container-title:Nanotechnology Reviews
language:en
Short-container-title:

Author:

Lebepe Thabang C.¹²,Parani Sundararajan¹²,Maluleke Rodney¹²,Ncapayi Vuyelwa¹²,Aladesuyi Olanrewaju A.¹²,Komiya Atsuki³,Kodama Tetsuya⁴⁵,Oluwafemi Oluwatobi S.¹²

Affiliation:

1. Department of Chemical Science, University of Johannesburg , Johannesburg , 2028 , South Africa

2. Centre for Nanomaterials Sciences Research, University of Johannesburg , Johannesburg , 2028 , South Africa

3. Graduate School of Engineering, Institute of Fluid Science, Tohoku University , Sendai , 980-8577 , Japan

4. Laboratory of Biomedical Engineering for Cancer, Graduate School of Biomedical Engineering, Tohoku University , Sendai , 980-8575 , Japan

5. Biomedical Engineering Cancer Research Centre, Graduate School of Biomedical Engineering, Tohoku University , Sendai , 980-8575 , Japan

Abstract

Abstract The graphene-based materials have been used as a potential coating material for nanoparticles due to their excellent passivation. Herein, we report for the first time the colloidal stability, photothermal profile, thermal stability, cytotoxicity, and photo-cytotoxicity of graphene quantum dots (GQDs) coupled with the second infrared window (NIR-II) absorbing gold nanorods (AuNRs/GQDs) and compare it to graphene oxide (GO)-coated NIR-II absorbing AuNRs (AuNRs/GO). The composites were achieved by electrostatic interaction of the GO or GQDs with AuNRs. The results revealed that (i) AuNRs/GQDs were more stable in the aqueous phosphate buffer and cell culture media than AuNRs/GO and AuNRs; (ii) GO enhanced the photothermal efficiency of the AuNRs, whereas GQDs reduced it; (iii) GQDs enhanced the photothermal stability of AuNRs than GO; (iv) both AuNRs/GO and AuNRs/GQDs were biocompatible with mouse colon carcinoma (C26) cell lines and malignant fibrous histiocytoma‐like, expressing a fusion of the luciferase and enhanced green fluorescent protein genes (KM-Luc/GFP) cell lines; and (v) photo-cytotoxicity of AuNRs/GO and AuNRs/GQDs conducted against C26 cell lines showed significantly improved cell death compared to laser irradiation alone; however, AuNRs/GO exhibited high photo-toxicity than AuNRs/GQDs. This study shows that AuNRs/GO and AuNRs/GQDs composites possess unique properties to improve AuNRs and be utilised in photothermal applications.

Publisher

Walter de Gruyter GmbH

Subject

Surfaces, Coatings and Films,Process Chemistry and Technology,Energy Engineering and Power Technology,Biomaterials,Medicine (miscellaneous),Biotechnology

Link

https://www.degruyter.com/document/doi/10.1515/ntrev-2022-0541/pdf

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