Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, volume 227, pages 117536
Room temperature synthesis of NIR emitting Ag2S nanoparticles through aqueous route and its influence on structural modulation of DNA
Publication type: Journal Article
Publication date: 2020-02-01
Quartile SCImago
Q2
Quartile WOS
Q1
Impact factor: 4.4
ISSN: 13861425
Spectroscopy
Analytical Chemistry
Atomic and Molecular Physics, and Optics
Instrumentation
Abstract
Near infra-red (NIR) light emitting nanomaterials had shown great promise in clinical imaging in view of negligible absorption by skin or tissue of mammalian. Thus, it demands for synthesizing stable NIR emitting nanomaterials in water environment. The present work presents synthesis of biologically acceptable luminescent near-IR emitting silver sulfide nanoparticles through an aqueous route using 2-mercaptoethanol. The prepared as-synthesized Ag2S nanoparticles exhibited bright photoluminescence with quantum yield of ca. 4%. X-ray diffraction (XRD) analysis indicated that the products were monoclinic α-Ag2S. Fourier transform infrared spectral analysis revealed that the stretching vibration at 2560 cm-1 responsible for S-H bond of thiol group disappeared suggesting the conjugation of 2-mercaptoethanol with Ag2S nanoparticles. In view of investigating any possible effect on genetic materials, interactions of the synthesized particles with calf thymus DNA was investigated employing Ethidium bromide (EB) as structural probe. To understand the binding mechanism, the UV-vis absorption, fluorescence and circular dichroism (CD) spectroscopic, as well as DNA melting studies measurements were carried out. The observed results confirm that nanoparticles interact with DNA through groove binding.
Top-30
Citations by journals
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1 publication, 11.11%
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International Journal of Nanomedicine
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ACS Applied Nano Materials
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Russian Chemical Reviews
1 publication, 11.11%
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Citations by publishers
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Elsevier
3 publications, 33.33%
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Frontiers Media S.A.
1 publication, 11.11%
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Springer Nature
1 publication, 11.11%
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Royal Society of Chemistry (RSC)
1 publication, 11.11%
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Taylor & Francis
1 publication, 11.11%
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American Chemical Society (ACS)
1 publication, 11.11%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 11.11%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Das T. K. et al. Room temperature synthesis of NIR emitting Ag2S nanoparticles through aqueous route and its influence on structural modulation of DNA // Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 2020. Vol. 227. p. 117536.
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Das T. K., Karmakar S., Maiti S., Kundu S., Saha A. Room temperature synthesis of NIR emitting Ag2S nanoparticles through aqueous route and its influence on structural modulation of DNA // Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 2020. Vol. 227. p. 117536.
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TY - JOUR
DO - 10.1016/j.saa.2019.117536
UR - https://doi.org/10.1016/j.saa.2019.117536
TI - Room temperature synthesis of NIR emitting Ag2S nanoparticles through aqueous route and its influence on structural modulation of DNA
T2 - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
AU - Das, Tushar Kanti
AU - Karmakar, Sudip
AU - Maiti, Susmita
AU - Kundu, Somashree
AU - Saha, Abhijit
PY - 2020
DA - 2020/02/01 00:00:00
PB - Elsevier
SP - 117536
VL - 227
SN - 1386-1425
ER -
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@article{2020_Das,
author = {Tushar Kanti Das and Sudip Karmakar and Susmita Maiti and Somashree Kundu and Abhijit Saha},
title = {Room temperature synthesis of NIR emitting Ag2S nanoparticles through aqueous route and its influence on structural modulation of DNA},
journal = {Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy},
year = {2020},
volume = {227},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016/j.saa.2019.117536},
pages = {117536},
doi = {10.1016/j.saa.2019.117536}
}