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Structural effects and nanoparticle size are essential for quantum dots-metallothionein complex formation
K. Tmejova, D. Hynek, P. Kopel, J. Gumulec, S. Krizkova, R. Guran, Z. Heger, M. Kalina, M. Vaculovicova, V. Adam, R. Kizek,
Colloids and surfaces. B, Biointerfaces.
2015 ;
134 (-) :
262-72.
[pub] 20150626
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články, práce podpořená grantem
Perzistentní odkaz
https://www.medvik.cz/link/bmc16028349
- MeSH
- elektrochemické techniky MeSH
- fluorescenční spektrometrie MeSH
- králíci MeSH
- kvantové tečky * MeSH
- metalothionein chemie MeSH
- molekulární struktura MeSH
- nanočástice * MeSH
- spektrometrie hmotnostní - ionizace laserem za účasti matrice MeSH
- zvířata MeSH
- Check Tag
- králíci MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Interaction between semiconductor nanocrystals, cadmium telluride quantum dots (CdTe QDs) capped with mercaptosuccinic acid (MSA) and metallothionein (MT) was investigated. MSA-capped CdTe QDs were synthesized in aqueous solution. Mixture of MT and MSA-capped CdTe QDs has been investigated by various analytical methods as follows: tris-tricine gel electrophoresis, fluorescence evaluation and electrochemical detection of catalysed hydrogen evolution. The obtained results demonstrate that MSA-capped CdTe QDs and MT do not create firmly bound stabile complex. However, weak electrostatic interactions contribute to the interaction of MT with MSA-capped CdTeQDs. It can be concluded that QDs size influences the QDs and MT interaction. The smallest QDs had the highest affinity to MT and vice versa.
Citace poskytuje Crossref.org
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- $a Tmejova, Katerina $u Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, European Union, CZ-613 00 Brno, Czech Republic; Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, European Union, CZ-616 00 Brno, Czech Republic.
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- $a Interaction between semiconductor nanocrystals, cadmium telluride quantum dots (CdTe QDs) capped with mercaptosuccinic acid (MSA) and metallothionein (MT) was investigated. MSA-capped CdTe QDs were synthesized in aqueous solution. Mixture of MT and MSA-capped CdTe QDs has been investigated by various analytical methods as follows: tris-tricine gel electrophoresis, fluorescence evaluation and electrochemical detection of catalysed hydrogen evolution. The obtained results demonstrate that MSA-capped CdTe QDs and MT do not create firmly bound stabile complex. However, weak electrostatic interactions contribute to the interaction of MT with MSA-capped CdTeQDs. It can be concluded that QDs size influences the QDs and MT interaction. The smallest QDs had the highest affinity to MT and vice versa.
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