| A combined nanoplasmonic and electrodeless quartz crystal microbalance setup. | |
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MedLine Citation:
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PMID: 20059168 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We have developed an instrument combining localized surface plasmon resonance (LSPR) sensing with electrodeless quartz crystal microbalance with dissipation monitoring (QCM-D). The two techniques can be run simultaneously, on the same sensor surface, and with the same time resolution and sensitivity as for the individual techniques. The electrodeless QCM eliminates the need to fabricate electrodes on the quartz crystal and gives a large flexibility in choosing the surface structure and coating for both QCM-D and LSPR. The performance is demonstrated for liquid phase measurements of lipid bilayer formation and biorecognition events, and for gas phase measurements of hydrogen uptake/release by palladium nanoparticles. Advantages of using the combined equipment for biomolecular adsorption studies include synchronized information about structural transformations and extraction of molecular (dry) mass and degree of hydration of the adlayer, which cannot be obtained with the individual techniques. In hydrogen storage studies the combined equipment, allows for synchronized measurements of uptake/release kinetics and quantification of stored hydrogen amounts in nanoparticles and films at practically interesting hydrogen pressures and temperatures. |
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Authors:
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Elin M Larsson; Malin E M Edvardsson; Christoph Langhammer; Igor Zori?; Bengt Kasemo |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The Review of scientific instruments Volume: 80 ISSN: 1089-7623 ISO Abbreviation: Rev Sci Instrum Publication Date: 2009 Dec |
Date Detail:
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Created Date: 2010-01-11 Completed Date: 2010-03-08 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0405571 Medline TA: Rev Sci Instrum Country: United States |
Other Details:
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Languages: eng Pagination: 125105 Citation Subset: IM |
Affiliation:
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Department of Applied Physics, Chemical Physics Group, Chalmers University of Technology, SE-41296 Gothenburg, Sweden. elarsson@chalmers.se |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Algorithms Biotinylation Hydrogen / chemistry Lipid Bilayers / chemistry Metal Nanoparticles / chemistry Microscopy, Electron, Scanning Nanotechnology / instrumentation* Optics and Photonics / instrumentation Palladium / chemistry Pressure Quartz* Recombinant Proteins / chemistry Sensitivity and Specificity Streptavidin / chemistry Streptomyces Surface Plasmon Resonance / instrumentation* Temperature Time Factors |
| Chemical | |
Reg. No./Substance:
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0/Lipid Bilayers; 0/Recombinant Proteins; 1333-74-0/Hydrogen; 14808-60-7/Quartz; 7440-05-3/Palladium; 9013-20-1/Streptavidin |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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