Structure of fluorescent metal clusters on a DNA template.

A. A. Vdovichev; T. S. Sych; Z. V. Reveguk; A. A. Smirnova; D. A. Maksimov; R. R. Ramazanov; A. I. Kononov

doi:10.1088/1742-6596/741/1/012069

Structure of fluorescent metal clusters on a DNA template.

A. A. Vdovichev, T. S. Sych, Z. V. Reveguk, A. A. Smirnova, D. A. Maksimov, R. R. Ramazanov, A. I. Kononov

Research output: Contribution to journal › Conference article › peer-review

Abstract

Luminescent metal clusters are a subject of growing interest in recent years due to their bright emission from visible to near infrared range. Detailed structure of the fluorescent complexes of Ag and other metal clusters with ligands still remains a challenging task. In this joint experimental and theoretical study we synthesized Ag-DNA complexes on a DNA oligonucleotide emitting in violet- green spectral range. The structure of DNA template was determined by means of various spectral measurements (CD, MS, XPS). Comparison of the experimental fluorescent excitation spectra and calculated absorption spectra for different QM/MM optimized structures allowed us to determine the detailed structure of the green cluster containing three silver atoms in the stem of the DNA hairpin structure stabilized by cytosine-Ag+-cytosine bonds.

Original language	English
Article number	012069
Journal	Journal of Physics: Conference Series
Volume	741
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/741/1/012069
State	Published - 15 Sep 2016
Externally published	Yes
Event	3rd International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures, Saint Petersburg OPEN 2016 - St Petersburg, Russian Federation Duration: 28 Mar 2016 → 30 Mar 2016

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title = "Structure of fluorescent metal clusters on a DNA template.",

abstract = "Luminescent metal clusters are a subject of growing interest in recent years due to their bright emission from visible to near infrared range. Detailed structure of the fluorescent complexes of Ag and other metal clusters with ligands still remains a challenging task. In this joint experimental and theoretical study we synthesized Ag-DNA complexes on a DNA oligonucleotide emitting in violet- green spectral range. The structure of DNA template was determined by means of various spectral measurements (CD, MS, XPS). Comparison of the experimental fluorescent excitation spectra and calculated absorption spectra for different QM/MM optimized structures allowed us to determine the detailed structure of the green cluster containing three silver atoms in the stem of the DNA hairpin structure stabilized by cytosine-Ag+-cytosine bonds.",

author = "Vdovichev, {A. A.} and Sych, {T. S.} and Reveguk, {Z. V.} and Smirnova, {A. A.} and Maksimov, {D. A.} and Ramazanov, {R. R.} and Kononov, {A. I.}",

note = "Publisher Copyright: {\textcopyright} Published under licence by IOP Publishing Ltd.; 3rd International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures, Saint Petersburg OPEN 2016 ; Conference date: 28-03-2016 Through 30-03-2016",

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T1 - Structure of fluorescent metal clusters on a DNA template.

AU - Vdovichev, A. A.

AU - Sych, T. S.

AU - Reveguk, Z. V.

AU - Smirnova, A. A.

AU - Maksimov, D. A.

AU - Ramazanov, R. R.

AU - Kononov, A. I.

N1 - Publisher Copyright: © Published under licence by IOP Publishing Ltd.

PY - 2016/9/15

Y1 - 2016/9/15

N2 - Luminescent metal clusters are a subject of growing interest in recent years due to their bright emission from visible to near infrared range. Detailed structure of the fluorescent complexes of Ag and other metal clusters with ligands still remains a challenging task. In this joint experimental and theoretical study we synthesized Ag-DNA complexes on a DNA oligonucleotide emitting in violet- green spectral range. The structure of DNA template was determined by means of various spectral measurements (CD, MS, XPS). Comparison of the experimental fluorescent excitation spectra and calculated absorption spectra for different QM/MM optimized structures allowed us to determine the detailed structure of the green cluster containing three silver atoms in the stem of the DNA hairpin structure stabilized by cytosine-Ag+-cytosine bonds.

AB - Luminescent metal clusters are a subject of growing interest in recent years due to their bright emission from visible to near infrared range. Detailed structure of the fluorescent complexes of Ag and other metal clusters with ligands still remains a challenging task. In this joint experimental and theoretical study we synthesized Ag-DNA complexes on a DNA oligonucleotide emitting in violet- green spectral range. The structure of DNA template was determined by means of various spectral measurements (CD, MS, XPS). Comparison of the experimental fluorescent excitation spectra and calculated absorption spectra for different QM/MM optimized structures allowed us to determine the detailed structure of the green cluster containing three silver atoms in the stem of the DNA hairpin structure stabilized by cytosine-Ag+-cytosine bonds.

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T2 - 3rd International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures, Saint Petersburg OPEN 2016

Y2 - 28 March 2016 through 30 March 2016

ER -

Structure of fluorescent metal clusters on a DNA template.

Abstract

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