DESIGNED PLASMONIC NANOCATALYSTS FOR THE REDUCTION OF EOSIN Y: ABSORPTION AND FLUORESCENCE STUDY

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KOMALAM ABHA; MURALEEGHARAN LEKHA GIRIJA; SUBBURAJ SUGANTHI; SUSEELA SUJI; BABU ASWATHY; GEORGE SONY

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Journal: INTERNATIONAL NANO LETTERS (INL) Year:2012 | Volume:2 | Issue:2 Page(s): 1-9

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Title

DESIGNED PLASMONIC NANOCATALYSTS FOR THE REDUCTION OF EOSIN Y: ABSORPTION AND FLUORESCENCE STUDY

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Abstract

In this work, we report a one-step green synthesis of gold nanoparticles (AuNPs) by microwave irradiation using nontoxic and biodegradable polysaccharide chitosan as a reducing and stabilizing agent. The interaction between gold nanoparticles with the amine group of chitosan was confirmed by Fourier transform infrared spectroscopy analysis, and the stability of the nanoparticle is ascertained by zeta potential measurements. Transmission electron microscopy photograph and dynamic light scattering measurements confirmed the average size of gold nanoparticles as 25 nm. The ability of the synthesised gold nanoparticles as a catalyst for the reduction of eosin dye in the presence of NaBH4 was monitored by means of spectrofluorometry and spectrophotometry. It is found that the NaBH4-induced reduction of eosin is enhanced in the presence of AuNPs even without a catalyst. Time-resolved fluorescence decay studies also confirmed the reduction of eosin in the presence of AuNPs.

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APA: Copy

KOMALAM, ABHA, MURALEEGHARAN, LEKHA GIRIJA, SUBBURAJ, SUGANTHI, SUSEELA, SUJI, BABU, ASWATHY, & GEORGE, SONY. (2012). DESIGNED PLASMONIC NANOCATALYSTS FOR THE REDUCTION OF EOSIN Y: ABSORPTION AND FLUORESCENCE STUDY. INTERNATIONAL NANO LETTERS (INL), 2(2), 1-9. SID. https://sid.ir/paper/321407/en

Vancouver: Copy

KOMALAM ABHA, MURALEEGHARAN LEKHA GIRIJA, SUBBURAJ SUGANTHI, SUSEELA SUJI, BABU ASWATHY, GEORGE SONY. DESIGNED PLASMONIC NANOCATALYSTS FOR THE REDUCTION OF EOSIN Y: ABSORPTION AND FLUORESCENCE STUDY. INTERNATIONAL NANO LETTERS (INL)[Internet]. 2012;2(2):1-9. Available from: https://sid.ir/paper/321407/en

IEEE: Copy

ABHA KOMALAM, LEKHA GIRIJA MURALEEGHARAN, SUGANTHI SUBBURAJ, SUJI SUSEELA, ASWATHY BABU, and SONY GEORGE, “DESIGNED PLASMONIC NANOCATALYSTS FOR THE REDUCTION OF EOSIN Y: ABSORPTION AND FLUORESCENCE STUDY,” INTERNATIONAL NANO LETTERS (INL), vol. 2, no. 2, pp. 1–9, 2012, [Online]. Available: https://sid.ir/paper/321407/en

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