Journal
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
Volume 38, Issue -, Pages 20-27Publisher
ELSEVIER
DOI: 10.1016/j.msec.2014.01.038
Keywords
Saccharum officinarum juice; Fluorescence microscopy; DLS; TEM; Bacteria and yeast cells
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We are reporting highly economical plant-based hydrothermal method for one-pot green synthesis of water-dispersible fluorescent carbon dots (CDs) by using Saccharum officinarum juice as precursor. The synthesized CDs were characterized by UV-visible, fluorescence, Fourier transform infrared (FT-IR), dynamic light scattering (DLS), high-resolution transmission electron microscopic (HR-TEM), and laser scanning confocal microscopic techniques. The CDs are well dispersed in water with an average size of similar to 3 nm and showed bright blue fluorescence under UV-light (lambda(ex) = 365 nm). These CDs acted as excellent fluorescent probes in cellular imaging of bacteria (Escherichia coli) and yeast (Saccharomyces cerevisiae). (C) 2014 Elsevier B.V. All rights reserved.
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