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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Fery, Andreas Fink, Rainer H. Graf, Birgit Fernandes, Paulo Paradossi, Gaio Cavalieri, Francesca Tzvetkov, George |
| Copyright Year | 2008 |
| Abstract | In this study we describe the first direct, real-space characterization of a novel type of poly(vinyl alcohol) (PVA) based microballoons in aqueous environment using scanning transmission X-ray microscopy (STXM). From the oxygen K-edge near-edge X-ray absorption fine structure (NEXAFS) spectra taken from the microballoon interiors we could unambiguously distinguish between water- and air-filled particles. We also demonstrate that STXM imaging below and above the O K-edge (520 eV and 550 eV) can provide unique information on the composition of microballoons in water. It was found that the particular microballoon system investigated here has a remarkable high stability and is able to contain gases for more than 6 months, making it well suited for biomedical applications. |
| Starting Page | 510 |
| Ending Page | 514 |
| Page Count | 5 |
| File Format | HTM / HTML PDF |
| ISSN | 1744683X |
| Volume Number | 4 |
| Issue Number | 3 |
| Journal | Soft Matter |
| DOI | 10.1039/b715392a |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Oxygen Vinyl alcohol Scanning transmission X-ray microscopy Electronvolt Glass microsphere PVA K-edge X-ray absorption fine structure |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Condensed Matter Physics |
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