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Synthesis and characterization of near-infrared fluorescent and magnetic iron zero-valent nanoparticles

Paper ID Volume ID Publish Year Pages File Format Full-Text
26429 43952 2016 7 PDF Available
Title
Synthesis and characterization of near-infrared fluorescent and magnetic iron zero-valent nanoparticles
Abstract

•PEG coated iron nanoparticles by inverse microemulsion.•Synthesis of near-infrared fluorescent PEGylated nanoparticles.•PEG coated iron zero-valent nanoparticles with good magnetic properties.

Polyethylene glycol coated iron nanoparticles were synthesized by a microemulsion method, modified and functionalized. The polymer coating has a crucial role, preventing the iron oxidation and allowing the functionalization of the particles. The nanoparticles were characterized and their magnetic properties studied. A photochemical study of the iron nanoparticles conjugated with a near-infrared fluorescent dye, Alexa Fluor 660, confirmed that the fluorescent dye is attached to the nanoparticles and retains its fluorescent properties. The bioimages in red and near-infrared (NIR) region are favourable due to its minimum photodamage and deep tissue penetration. The nanoparticles obtained in this study present a good magnetic and fluorescent properties being of particular importance for potential applications in bioscience.

Keywords
Iron zero valent nanoparticles; Fluorescent; Magnetic; Polyethylenglycol
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Synthesis and characterization of near-infrared fluorescent and magnetic iron zero-valent nanoparticles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 315, 15 January 2016, Pages 1–7
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us