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Author |
Rehor, I.; Mackova, H.; Filippov, S.K.; Kucka, J.; Proks, V.; Slegerova, J.; Turner, S.; Van Tendeloo, G.; Ledvina, M.; Hruby, M.; Cigler, P.; |
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Title |
Fluorescent nanodiamonds with bioorthogonally reactive protein-resistant polymeric coatings |
Type |
A1 Journal article |
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Year |
2014 |
Publication |
ChemPlusChem |
Abbreviated Journal |
Chempluschem |
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Volume |
79 |
Issue |
1 |
Pages |
21-24 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
The novel synthesis of a polymeric interface grown from the surface of bright fluorescent nanodiamonds is reported. The polymer enables bioorthogonal attachment of various molecules by click chemistry; the particles are resistant to nonspecific protein adsorption and show outstanding colloidal stability in buffers and biological media. The coating fully preserves the unique optical properties of the nitrogen-vacancy centers that are crucial for bioimaging and sensoric applications. |
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Wos |
000337974900002 |
Publication Date |
2013-12-11 |
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Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
2192-6506; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
2.797 |
Times cited |
34 |
Open Access |
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Notes |
EU 7FP Program (no.262348); European Soft Matter Infrastructure; ESMI; ERC (grant no.246791)-COUNTATOMS; FWO |
Approved |
Most recent IF: 2.797; 2014 IF: 2.997 |
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Call Number |
UA @ lucian @ c:irua:113088 |
Serial |
1235 |
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Permanent link to this record |
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Author |
Filippov, S.K.; Sedlacek, O.; Bogomolova, A.; Vetrik, M.; Jirak, D.; Kovar, J.; Kucka, J.; Bals, S.; Turner, S.; Stepanek, P.; Hruby, M.; |
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Title |
Glycogen as a biodegradable construction nanomaterial for in vivo use |
Type |
A1 Journal article |
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Year |
2012 |
Publication |
Macromolecular bioscience |
Abbreviated Journal |
Macromol Biosci |
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Volume |
12 |
Issue |
12 |
Pages |
1731-1738 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
It is demonstrated that glycogen as a biodegradable and inexpensive material coming from renewable resources can be used as a carrier for the construction of in vivo imaging nanoagents. The model system considered is composed of glycogen modified with gadolinium and fluorescent labels. Systematic studies of properties of these nanocarriers by a variety of physical methods and results of in vivo tests of biodegradability are reported. This represents, to the authors' best knowledge, the first such use of glycogen. |
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Thesis |
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Place of Publication |
Weinheim |
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Wos |
000312242600016 |
Publication Date |
2012-11-21 |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1616-5187; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.238 |
Times cited |
22 |
Open Access |
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Notes |
262348 ESMI; FWO; Hercules |
Approved |
Most recent IF: 3.238; 2012 IF: 3.742 |
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Call Number |
UA @ lucian @ c:irua:105286 |
Serial |
1354 |
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Permanent link to this record |
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Author |
Rehor, I.; Slegerova, J.; Kucka, J.; Proks, V.; Petrakova, V.; Adam, M.P.; Treussart, F.; Turner, S.; Bals, S.; Sacha, P.; Ledvina, M.; Wen, A.M.; Steinmetz, N.F.; Cigler, P.; |
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Title |
Fluorescent nanodiamonds embedded in biocompatible translucent shells |
Type |
A1 Journal article |
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Year |
2014 |
Publication |
Small |
Abbreviated Journal |
Small |
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Volume |
10 |
Issue |
6 |
Pages |
1106-1115 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) |
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Abstract |
High pressure high temperature (HPHT) nanodiamonds (NDs) represent extremely promising materials for construction of fluorescent nanoprobes and nanosensors. However, some properties of bare NDs limit their direct use in these applications: they precipitate in biological solutions, only a limited set of bio-orthogonal conjugation techniques is available and the accessible material is greatly polydisperse in shape. In this work, we encapsulate bright 30-nm fluorescent nanodiamonds (FNDs) in 1020-nm thick translucent (i.e., not altering FND fluorescence) silica shells, yielding monodisperse near-spherical particles of mean diameter 66 nm. High yield modification of the shells with PEG chains stabilizes the particles in ionic solutions, making them applicable in biological environments. We further modify the opposite ends of PEG chains with fluorescent dyes or vectoring peptide using click chemistry. High conversion of this bio-orthogonal coupling yielded circa 2000 dye or peptide molecules on a single FND. We demonstrate the superior properties of these particles by in vitro interaction with human prostate cancer cells: while bare nanodiamonds strongly aggregate in the buffer and adsorb onto the cell membrane, the shell encapsulated NDs do not adsorb nonspecifically and they penetrate inside the cells. |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Weinheim |
Editor |
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Language |
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Wos |
000333538000012 |
Publication Date |
2014-02-05 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1613-6810; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
8.643 |
Times cited |
79 |
Open Access |
Not_Open_Access |
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Notes |
262348 ESMI; Hercules; FWO |
Approved |
Most recent IF: 8.643; 2014 IF: 8.368 |
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Call Number |
UA @ lucian @ c:irua:115566 |
Serial |
1234 |
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Permanent link to this record |