Interaction of laser radiation and complexes of gold nanoparticles linked with proteins S. V. Zar’kov, Yu. A. Avetisyan, A. N. Yakunin [et al.]
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ArticleContent type: Текст Media type: электронный Subject(s): лазерное излучение | наночастицы золота | локализация поля | биосенсоры | флуоресценция белкаGenre/Form: статьи в журналах Online resources: Click here to access online
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Quantum electronics Vol. 51, № 1. P. 52-63Abstract: 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.
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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.
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