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Materials 2017, 10(7), 836; https://doi.org/10.3390/ma10070836

Surface Plasmon Resonance or Biocompatibility—Key Properties for Determining the Applicability of Noble Metal Nanoparticles

1,†
,
1,†
,
2,†,* , 2,†
and
2,3,†,*
1
Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute on Bio-Nano-Sciences, Babeș-Bolyai University, 400271 Cluj-Napoca, Romania
2
Nanostructured Materials and Bio-Nano-Interfaces Center, Interdisciplinary Research Institute on Bio-Nano-Sciences, Babeș-Bolyai University, 400271 Cluj-Napoca, Romania
3
Institute of Environmental Science and Technology, University of Szeged, 6720 Szeged, Hungary
All authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 6 June 2017 / Revised: 6 July 2017 / Accepted: 10 July 2017 / Published: 21 July 2017
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Abstract

Metal and in particular noble metal nanoparticles represent a very special class of materials which can be applied as prepared or as composite materials. In most of the cases, two main properties are exploited in a vast number of publications: biocompatibility and surface plasmon resonance (SPR). For instance, these two important properties are exploitable in plasmonic diagnostics, bioactive glasses/glass ceramics and catalysis. The most frequently applied noble metal nanoparticle that is universally applicable in all the previously mentioned research areas is gold, although in the case of bioactive glasses/glass ceramics, silver and copper nanoparticles are more frequently applied. The composite partners/supports/matrix/scaffolds for these nanoparticles can vary depending on the chosen application (biopolymers, semiconductor-based composites: TiO2, WO3, Bi2WO6, biomaterials: SiO2 or P2O5-based glasses and glass ceramics, polymers: polyvinyl alcohol (PVA), Gelatin, polyethylene glycol (PEG), polylactic acid (PLA), etc.). The scientific works on these materials’ applicability and the development of new approaches will be targeted in the present review, focusing in several cases on the functioning mechanism and on the role of the noble metal. View Full-Text
Keywords: bioactive glasses; noble metal nanoparticles; surface plasmon resonance; plasmonic biosensors; diagnostics; photocatalysis; composite photocatalysts; photoactivity. bioactive glasses; noble metal nanoparticles; surface plasmon resonance; plasmonic biosensors; diagnostics; photocatalysis; composite photocatalysts; photoactivity.
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Craciun, A.M.; Focsan, M.; Magyari, K.; Vulpoi, A.; Pap, Z. Surface Plasmon Resonance or Biocompatibility—Key Properties for Determining the Applicability of Noble Metal Nanoparticles. Materials 2017, 10, 836.

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