Interaction of laser radiation and complexes of gold nanoparticles linked with proteins

S. V. Zar'kov; Y. A. Avetisyan; A. N. Yakunin; I. G. Meerovich; A. P. Savitsky; D. Fixler; V. V. Tuchin

doi:10.1070/qel17492

Interaction of laser radiation and complexes of gold nanoparticles linked with proteins

S. V. Zar'kov, Y. A. Avetisyan, A. N. Yakunin, I. G. Meerovich, A. P. Savitsky, D. Fixler, V. V. Tuchin

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Abstract

The results of numerical simulation of the near-field distribution inside and in the vicinity of two types of gold nanoparticles (nanospheres and nanorods) intended for producing complexes of gold nanoparticles linked with proteins and exciting photosensitizers in the wavelength range of 532 - 770 nm are presented. Quantitative estimates of the field localisation (enhancement) are obtained depending on the type of gold nanoparticles and dimensional factors. The tendency of the red shift of the wavelength at which the maximum local field enhancement is achieved relative to the positions of the maxima of the absorption and scattering cross sections of nanoparticles and complexes is described.

Original language	English
Pages (from-to)	52-63
Number of pages	12
Journal	Quantum Electronics
Volume	51
Issue number	1
DOIs	https://doi.org/10.1070/qel17492
State	Published - Jan 2021

Bibliographical note

Publisher Copyright:
© 2021 Turpion Ltd.. All rights reserved.

Funding

Acknowledgements. The work was supported by the Russian Foundation for Basic Research (Grant No. 19-54-06008 MNTI_a) and the Ministry of Science and Technology of Israel (Grant No. 3-16536). The results presented in Section 2 were obtained within the framework of the State Assignment of the Institute of Precision Mechanics and Control, Russian Academy of Sciences. The results shown in Fig. 4 were obtained under the support from the Russian Foundation for Basic Research (Grant No. 19-07-00378).

Funders	Funder number
Ministry of Science and Technology of Israel	3-16536, 19-07-00378
Russian Foundation for Basic Research	19-54-06008 MNTI_a

Keywords

Biosensor
Field localisation
Gold nanoparticles
Laser radiation
Nanoparticle-protein complex
Protein fluorescence

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keywords = "Biosensor, Field localisation, Gold nanoparticles, Laser radiation, Nanoparticle-protein complex, Protein fluorescence",

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AU - Savitsky, A. P.

AU - Fixler, D.

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Interaction of laser radiation and complexes of gold nanoparticles linked with proteins

Abstract

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Keywords

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