FRET Between Riboflavin and 9-Anthraldehyde Based Fluorescent Organic Nanoparticles Possessing Antibacterial Activity

Journal Article · Mon Jan 15 00:00:00 EST 2018 · Journal of Fluorescence (Online)

DOI:https://doi.org/10.1007/S10895-017-2183-2· OSTI ID:22795682

Dige, Nilam C.; Suryawanshi, Sonali B.; Dalavi, Dattatray K.; Kamble, Avinash A. ^[1]; Bhopate, Dhanaji P. ^[2]; Kadam, Abhijit N. ^[3]; Kondalkar, Vijay V. ^[4]; Kolekar, Govind B.

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1. Shivaji University, Department of Chemistry (India)
2. Chonbuk National University, Division of Advanced Materials Engineering (Korea, Republic of)
3. Gachon University, Department of Chemical and Biochemical Engineering (Korea, Republic of)
4. Ajou University, Department of Electrical and Computer Engineering (Korea, Republic of)

The aqueous suspension of fluorescent nanoparticles were prepared by using 9-anthradehdye derivative (AH). The nanoparticles (AHNPs) were characterized using DLS-zeta sizer and SEM techniques. The photo physical properties of nanoparticles and precursor were measured and compared using UV-absorption spectroscopy, fluorescence spectroscopy and fluorescence lifetime studies. The significant overlap between fluorescence spectrum of AHNPs and excitation spectrum of Riboflavin (RF) led us to explore Fluorescence Resonance Energy Transfer (FRET) studies between AHNPs and RF in aqueous medium. The mechanism of FRET from AHNPs to RF discussed on spectral observations, thermodynamic parameters and changes produces in fluorescence lifetime in absence and presence of different concentrations of RF to AHNPs. The limit of detection for RF (0.071 µM) is considerably low compared with reported methods. Thus, we explore AHNPs as novel nano probe for quantitative determination of RF in pharmaceutical samples based on FRET study. In addition with this, AHNPs has excellent antibacterial activity than the bulk material for two different bacteria culture viz. E. coli and Bacillus sps. .

• OSTI ID: 22795682
• Journal Information: Journal of Fluorescence (Online), Vol. 28, Issue 1; Other Information: Copyright (c) 2018 Springer Science+Business Media, LLC, part of Springer Nature; Article Copyright (c) 2017 Springer Science+Business Media, LLC; http://www.springer-ny.com; Country of input: International Atomic Energy Agency (IAEA); ISSN 1573-4994
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
ABSORPTION SPECTROSCOPY
BACILLUS
CONCENTRATION RATIO
DRUGS
EXCITATION
FLUORESCENCE
FLUORESCENCE SPECTROSCOPY
NANOPARTICLES
PRECURSOR
RIBOFLAVIN
SCANNING ELECTRON MICROSCOPY
SUSPENSIONS