Article ; Online: Gold Nano-Island Platforms for Localized Surface Plasmon Resonance Sensing: A Short Review.
Molecules (Basel, Switzerland)
2020 Volume 25, Issue 20
Abstract: ... The localized surface plasmon resonance (LSPR) band of gold nano-islands was found to be sensitive to changes ... in the surrounding environment, making it a suitable platform for sensing and biosensing applications. In this review ... we revisit the development of the concept of nano-island(s), the thermodynamics of dewetting of thin metal ...
| Abstract | Nano-islands are entities (droplets or other shapes) that are formed by spontaneous dewetting (agglomeration, in the early literature) of thin and very thin metallic (especially gold) films on a substrate, done by post-deposition heating or by using other sources of energy. In addition to thermally generated nano-islands, more recently, nanoparticle films have also been dewetted, in order to form nano-islands. The localized surface plasmon resonance (LSPR) band of gold nano-islands was found to be sensitive to changes in the surrounding environment, making it a suitable platform for sensing and biosensing applications. In this review, we revisit the development of the concept of nano-island(s), the thermodynamics of dewetting of thin metal films, and the effect of the substrate on the morphology and optical properties of nano-islands. A special emphasis is made on nanoparticle films and their applications to biosensing, with ample examples from the authors' work. |
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| MeSH term(s) | Animals ; Biosensing Techniques/instrumentation ; Gold/chemistry ; Growth Hormone/analysis ; Humans ; Lab-On-A-Chip Devices ; Milk/chemistry ; Nanocomposites/chemistry ; Nanotechnology/methods ; Point-of-Care Systems ; Surface Plasmon Resonance/instrumentation ; Surface Plasmon Resonance/methods |
| Chemical Substances | Gold (7440-57-5) ; Growth Hormone (9002-72-6) |
| Keywords | covid19 |
| Language | English |
| Publishing date | 2020-10-13 |
| Publishing country | Switzerland |
| Document type | Journal Article ; Review |
| ZDB-ID | 1413402-0 |
| ISSN | 1420-3049 ; 1431-5165 ; 1420-3049 |
| ISSN (online) | 1420-3049 |
| ISSN | 1431-5165 ; 1420-3049 |
| DOI | 10.3390/molecules25204661 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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