Investigation of dual plasmonic core-shell Ag@CuS nanoparticles for potential surface-enhanced Raman spectroscopy-guided photothermal therapy

被引：9

作者：

Das, Anindita ^{[1
]}

Arunagiri, Vinothini ^{[2
]}

Tsai, Hsieh-Chih ^{[2
,3
,4
]}

Prasannan, Adhimoorthy ^{[5
]}

Lai, Juin-Yih ^{[2
,3
,4
]}

Da-Hong, Po ^{[5
]}

Moirangthem, Rakesh S. ^{[1
]}

机构：

[1] Indian Inst Technol, Indian Sch Mines, Nanophoton Lab, Dept Phys, Dhanbad 826004, Bihar, India

[2] Natl Taiwan Univ Sci & Technol, Grad Inst Appl Sci & Technol, Taipei 106, Taiwan

[3] Natl Taiwan Univ Sci & Technol, Adv Membrane Mat Ctr, Taipei 106, Taiwan

[4] Chung Yuan Christian Univ, R&D Ctr Membrane Technol, Taoyuan 320, Taiwan

[5] Natl Taiwan Univ Sci & Technol, Dept Mat Sci & Engn, Taipei 106, Taiwan

来源：

NANOMEDICINE | 2021年 / 16卷 / 11期

关键词：

Ag@CuS metal-semiconductor nanocomposite; electric field; heat dissipation energy; photothermal effect in potential therapy PTT; surface-enhanced Raman spectroscopy (SERS); surface plasmon resonance; RESONANCE; NANOMEDICINE; HEAT;

D O I：

10.2217/nnm-2020-0385

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Aim: To prepare efficient metal-semiconductor nanoparticles as noninvasive, real-time imaging probes for photothermal therapy (PTT) applications. Materials & methods: A bottom-up approach was used to fabricate core-shell Ag@CuS nanoparticles (NPs). PTT and Raman mapping were done using HeLa cells. Theoretical simulation of electric field enhancement and heat dissipation density of Ag@CuS NPs was performed. Results: PTT-induced hyperthermia was achieved under 940 nm near-infrared light irradiation. Surface-enhanced Raman spectroscopy (SERS) signals of dye molecules were observed when conjugated with Ag@CuS NPs. Conclusion: Ag@CuS NPs are found to be efficient for SERS imaging and localized heating under laser irradiation, making a promising candidate for SERS-guided PTT.

引用

页码：909 / 923

页数：16

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