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Cellular interfaces...
Cellular interfaces with hydrogen-bonded organic semiconductor hierarchical nanocrystals
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- Sytnyk, Mykhailo (author)
- Friedrich Alexander University of Erlangen Nurnberg, Germany; Energie Campus Nurnberg EnCN, Germany
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- Jakesova, Marie (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska fakulteten,Johannes Kepler University of Linz, Austria
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- Litvinukova, Monika (author)
- Johannes Kepler University of Linz, Austria
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- Mashkov, Oleksandr (author)
- Friedrich Alexander University of Erlangen Nurnberg, Germany; Energie Campus Nurnberg EnCN, Germany
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- Kriegner, Dominik (author)
- Charles University of Prague, Czech Republic
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- Stangl, Julian (author)
- University of Linz, Austria
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- Nebesarova, Jana (author)
- Academic Science Czech Republic, Czech Republic
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- Fecher, Frank W. (author)
- Bayer Zentrum Angew Energieforsch ZAE Bayern, Germany
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- Schoefberger, Wolfgang (author)
- Johannes Kepler University of Linz, Austria
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- Serdar Sariciftci, Niyazi (author)
- Johannes Kepler University of Linz, Austria
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- Schindl, Rainer (author)
- Johannes Kepler University of Linz, Austria; Medical University of Graz, Austria
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- Heiss, Wolfgang (author)
- Friedrich Alexander University of Erlangen Nurnberg, Germany; Energie Campus Nurnberg EnCN, Germany
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- Glowacki, Eric (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska fakulteten,Johannes Kepler University of Linz, Austria
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(creator_code:org_t)
- 2017-07-21
- 2017
- English.
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In: Nature Communications. - : NATURE PUBLISHING GROUP. - 2041-1723. ; 8
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Abstract
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- Successful formation of electronic interfaces between living cells and semiconductors hinges on being able to obtain an extremely close and high surface-area contact, which preserves both cell viability and semiconductor performance. To accomplish this, we introduce organic semiconductor assemblies consisting of a hierarchical arrangement of nanocrystals. These are synthesised via a colloidal chemical route that transforms the nontoxic commercial pigment quinacridone into various biomimetic three-dimensional arrangements of nanocrystals. Through a tuning of parameters such as precursor concentration, ligands and additives, we obtain complex size and shape control at room temperature. We elaborate hedgehog-shaped crystals comprising nanoscale needles or daggers that form intimate interfaces with the cell membrane, minimising the cleft with single cells without apparent detriment to viability. Excitation of such interfaces with light leads to effective cellular photostimulation. We find reversible light-induced conductance changes in ion-selective or temperature-gated channels.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Sytnyk, Mykhailo
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Jakesova, Marie
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Litvinukova, Mon ...
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Mashkov, Oleksan ...
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Kriegner, Domini ...
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Stangl, Julian
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show more...
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Nebesarova, Jana
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Fecher, Frank W.
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Schoefberger, Wo ...
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Serdar Sariciftc ...
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Schindl, Rainer
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Heiss, Wolfgang
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Glowacki, Eric
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Nature Communica ...
- By the university
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Linköping University