Open Access
Dual-functional nano-photosensitizers: Eosin-Y decorated gold nanorods for plasmon-enhanced fluorescence and singlet oxygen generation
Publication type: Journal Article
Publication date: 2024-04-18
scimago Q1
wos Q2
SJR: 0.777
CiteScore: 7.6
Impact factor: 4.6
ISSN: 20462069
PubMed ID:
38633485
General Chemistry
General Chemical Engineering
Abstract
Photosensitizer (PS) with enhanced fluorescence is attractive for image-guided photodynamic therapy (PDT) due to its dual functional role in Singlet Oxygen Generation (SOG) and producing high fluorescence signals. Here, Eosin-Y (Ey) decorated polymer coated gold nanorods (GNRs) of different aspect ratios are synthesized and introduced as novel plasmon-enhanced nano-photosensitizers for this purpose. We show, upon excitation at 519 nm, simultaneous enhancement in fluorescence and SOG was achieved for the hybrid nanostructure. The best enhancement factors of 110 and 18 for metal-enhanced fluorescence and metal-enhanced SOG, respectively, are obtained with GNRs of length 133 nm and width 45 nm, where Ey is positioned at 12.6 nm from the metal core using layer-by-layer assembly of oppositely charged polymers. The observed plasmonic effect is critically analysed by comparing the near field damping rate along with decay length, far field scattering and nonradiative energy transfer of the nanohybrids.
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4
Total citations:
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Citations from 2024:
4
(100%)
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Kaja S., Mathews A. V., Nag A. Dual-functional nano-photosensitizers: Eosin-Y decorated gold nanorods for plasmon-enhanced fluorescence and singlet oxygen generation // RSC Advances. 2024. Vol. 14. No. 18. pp. 12417-12427.
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Kaja S., Mathews A. V., Nag A. Dual-functional nano-photosensitizers: Eosin-Y decorated gold nanorods for plasmon-enhanced fluorescence and singlet oxygen generation // RSC Advances. 2024. Vol. 14. No. 18. pp. 12417-12427.
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TY - JOUR
DO - 10.1039/d4ra01551g
UR - https://xlink.rsc.org/?DOI=D4RA01551G
TI - Dual-functional nano-photosensitizers: Eosin-Y decorated gold nanorods for plasmon-enhanced fluorescence and singlet oxygen generation
T2 - RSC Advances
AU - Kaja, Sravani
AU - Mathews, Ashin Varghese
AU - Nag, Amit
PY - 2024
DA - 2024/04/18
PB - Royal Society of Chemistry (RSC)
SP - 12417-12427
IS - 18
VL - 14
PMID - 38633485
SN - 2046-2069
ER -
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BibTex (up to 50 authors)
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@article{2024_Kaja,
author = {Sravani Kaja and Ashin Varghese Mathews and Amit Nag},
title = {Dual-functional nano-photosensitizers: Eosin-Y decorated gold nanorods for plasmon-enhanced fluorescence and singlet oxygen generation},
journal = {RSC Advances},
year = {2024},
volume = {14},
publisher = {Royal Society of Chemistry (RSC)},
month = {apr},
url = {https://xlink.rsc.org/?DOI=D4RA01551G},
number = {18},
pages = {12417--12427},
doi = {10.1039/d4ra01551g}
}
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MLA
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Kaja, Sravani, et al. “Dual-functional nano-photosensitizers: Eosin-Y decorated gold nanorods for plasmon-enhanced fluorescence and singlet oxygen generation.” RSC Advances, vol. 14, no. 18, Apr. 2024, pp. 12417-12427. https://xlink.rsc.org/?DOI=D4RA01551G.