Abstract
Cystine-capped CdSe@ZnS nanocomposites were synthesized mechanochemically with the aim to prepare a material which could be used in medicine for biosensing applications. Although synthesized CdSe@ZnS nanocomposites were capped with l-cysteine, cystine was formed from l-cysteine during the milling process. It was proven that water plays the key role in this oxidative transformation. The novel material was characterized by the complex of physico-chemical methods (FTIR, XPS, SEM, EDX, surface area measurements) and CHNS analysis. The leakage of Cd2+ and Zn2+ ions into physiological solution was also studied.
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Abbreviations
- FTIR:
-
Fourier-transform infrared spectroscopy
- XPS:
-
X-ray photoelectron microscopy
- SEM:
-
Scanning electron microscopy
- EDX:
-
Energy-dispersive photoelectron spectroscopy
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Acknowledgements
The support through the projects of the Agency for Science and Development APVV (VV-0189-10, SK-BG-0031-10), the Slovak Grant Agency VEGA (2/0009/11) and SAS Centre of Excellence SAS: CFNTMVEP is gratefully acknowledged. This work would not be possible without the support of the European Regional Development Fund-projects NANOCEXMAT 1 (ITMS 26220120019) and NANOCEXMAT 2 (ITMS 26220120035).
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Baláž, M., Baláž, P., Tjuliev, G. et al. Cystine-capped CdSe@ZnS nanocomposites: mechanochemical synthesis, properties, and the role of capping agent. J Mater Sci 48, 2424–2432 (2013). https://doi.org/10.1007/s10853-012-7029-3
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DOI: https://doi.org/10.1007/s10853-012-7029-3