Journal
MATERIALS SCIENCE AND ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
Volume 48, Issue -, Pages 700-703Publisher
ELSEVIER
DOI: 10.1016/j.msec.2014.11.058
Keywords
Hydrophobic; Carbon dots; Paraplast; Breast cancer stem cells; Biological imaging
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We have reported synthesis of bright blue colored hydrophobic carbon dots (hC-dots) using highly pure blend of polymers called Paraplast We developed a hot injection method for making nearly monodispersed hC-dots with a diameter in a range: 5-30 nm as confirmed by high resolution transmission electron microscopy (HRTEM). The involvement of various functional groups was confirmed by Fourier transform infra-red (FTIR) spectroscopy. These hC-dots were incubated with breast cancer stem cells in order to check the entry as well as biological imaging. The cells were analyzed using epifluorescent microscopy. hC-dots showed concentration dependent cytotoxicity (LD50: 50 mg/ml) and could be used for bioimaging even at lower concentration (0.5 mg/ml). hC-dots were found to be versatile agents for peeping inside the cells which could also be used for delivery of water insoluble chemotherapeutic agents to variety of solid tumors. (C) 2014 Elsevier B.V. All rights reserved.
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