Biocompatible functionalized AuPd bimetallic nanoparticles decorated on reduced graphene oxide sheets for photothermal therapy of targeted cancer cells
Copyright © 2020 Elsevier B.V. All rights reserved..
Graphene, which is a unique 2D nanomaterials has received widespread attention for photothermal therapy (PTT) application. Here, we have designed the nanocomposite using polydopamine (PDA) functionalized reduced graphene oxide (rGO) nanosheets and bimetallic AuPd nanoparticles (NPs). The bimetallic AuPd nanoparticles decorated PDA functionalized rGO (AuPd-rGO/PDA) nanocomposite is synthesized by simple chemical reduction technique resulting in an average size of AuPd bimetallic nanostructure of 4.18 nm. The photothermal activity of the AuPd-rGO/PDA nanocomposite is explored under the irradiation of near infrared (NIR) laser sources of wavelength 915 nm. The temperature rises nearly 51 ± 3 °C within 3 min of irradiation NIR laser light resulting in the ablation of MDAMB-231 cancer cells up to concentration of 25 μg mL-1 of AuPd-rGO/PDA nanocomposite. This high performance of the ablation of cancer cells by photothermal therapy technique was facilitated using a low concentration of the nanocomposite by the synergistic effects of the bimetallic AuPd as well as rGO and PDA functionalization. The AuPd-rGO/PDA nanocomposite demonstrated the high biocompatibility towards normal healthy cell lines (L929) and exhibits survival efficiency of more than 85%. We also demonstrated the biocompatibility of the AuPd-rGO/PDA nanocomposite materials on the zebrafish embryos (Danio rerio). This work thus illustrates that the AuPd-rGO/PDA nanocomposite could behave as favourable nanoplatform for tumor therapeutics.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:212 |
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| Enthalten in: |
Journal of photochemistry and photobiology. B, Biology - 212(2020) vom: 01. Nov., Seite 112028 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Das, Punamshree [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 21.05.2021 Date Revised 21.05.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jphotobiol.2020.112028 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2020 Elsevier B.V. All rights reserved. | ||
| 520 | |a Graphene, which is a unique 2D nanomaterials has received widespread attention for photothermal therapy (PTT) application. Here, we have designed the nanocomposite using polydopamine (PDA) functionalized reduced graphene oxide (rGO) nanosheets and bimetallic AuPd nanoparticles (NPs). The bimetallic AuPd nanoparticles decorated PDA functionalized rGO (AuPd-rGO/PDA) nanocomposite is synthesized by simple chemical reduction technique resulting in an average size of AuPd bimetallic nanostructure of 4.18 nm. The photothermal activity of the AuPd-rGO/PDA nanocomposite is explored under the irradiation of near infrared (NIR) laser sources of wavelength 915 nm. The temperature rises nearly 51 ± 3 °C within 3 min of irradiation NIR laser light resulting in the ablation of MDAMB-231 cancer cells up to concentration of 25 μg mL-1 of AuPd-rGO/PDA nanocomposite. This high performance of the ablation of cancer cells by photothermal therapy technique was facilitated using a low concentration of the nanocomposite by the synergistic effects of the bimetallic AuPd as well as rGO and PDA functionalization. The AuPd-rGO/PDA nanocomposite demonstrated the high biocompatibility towards normal healthy cell lines (L929) and exhibits survival efficiency of more than 85%. We also demonstrated the biocompatibility of the AuPd-rGO/PDA nanocomposite materials on the zebrafish embryos (Danio rerio). This work thus illustrates that the AuPd-rGO/PDA nanocomposite could behave as favourable nanoplatform for tumor therapeutics | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Ghar, Sachin |e verfasserin |4 aut | |
| 700 | 1 | |a Rengan, Aravind K |e verfasserin |4 aut | |
| 700 | 1 | |a Das, Manash R |e verfasserin |4 aut | |
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