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Title: Polymer-supported metals and metal oxide nanoparticles: Synthesis, characterization, and applications
Authors: Sarkar, Sudipta
Guibal E.
Quignard F.
SenGupta A.K.
Published in: Journal of Nanoparticle Research
Abstract: Metal andmetal oxide nanoparticles exhibit unique properties in regard to sorption behaviors, magnetic activity, chemical reduction, ligand sequestration among others. To this end, attempts are being continuously made to take advantage of them in multitude of applications including separation, catalysis, environmental remediation, sensing, biomedical applications and others. However, metal and metal oxide nanoparticles lack chemical stability andmechanical strength. They exhibit extremely high pressure drop or head loss in fixed-bed column operation and are not suitable for any flow-through systems. Also, nanoparticles tend to aggregate; this phenomenon reduces their high surface area to volume ratio and subsequently reduces effectiveness. By appropriately dispersing metal and metal oxide nanoparticles into synthetic and naturally occurring polymers,many of the shortcomings can be overcome without compromising the parent properties of the nanoparticles. Furthermore, the appropriate choice of the polymer host with specific functional groups may even lead to the enhancement of the properties of nanoparticles. The synthesis of hybrid materials involves two broad pathways: dispersing the nanoparticles (i) within pre-formed or commercially available polymers; and (ii) during the polymerization process. This review presents a broad coverage of nanoparticles and polymeric/biopolymeric host materials and the resulting properties of the hybrid composites. In addition, the review discusses the role of the Donnan membrane effect exerted by the host functionalized polymer in harnessing the desirable properties of metal and metal oxide nanoparticles for intended applications. ¬© Springer Science+Business Media B.V. 2012.
Citation: Journal of Nanoparticle Research(2012), 14(2): -
Issue Date: 2012
Keywords: Biopolymers
Ion exchangers
Metal nanoparticles
Metal oxide nanoparticles
Supported catalysts
Synthetic polymers
ISSN: 13880764
Author Scopus IDs: 57201440577
Author Affiliations: Sarkar, S., Environmental Engineering Program, Lehigh University, 1 West Packer Avenue, Bethlehem, PA 18015, United States, Department of Biotechnology and Environmental Sciences, Thapar University, Patiala, Punjab 147004, India
Guibal, E., Laboratoire G
Corresponding Author: SenGupta, A.K.; Environmental Engineering Program, Lehigh University, 1 West Packer Avenue, Bethlehem, PA 18015, United States; email:
Appears in Collections:Journal Publications [CE]

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