Chemische Charakterisierung und Spurenanalytik
Filtern
Erscheinungsjahr
- 2021 (1)
Dokumenttyp
Sprache
- Englisch (1)
Referierte Publikation
- ja (1)
Schlagworte
- AFM (1)
- CdSe/ZnS quantum Dots (1)
- Cellular uptake (1)
- Fast single pulse response (1)
- HT22 (1)
- HeLa (1)
- LA-ICP-SFMS (1)
- Quantitative bioimaging (1)
- Single cell (1)
- pL-droplets (1)
Organisationseinheit der BAM
High spatially resolved quantitative bioimaging of CdSe/ZnS Quantum Dots uptake in two kinds of cells is investigated combining laser ablation inductively coupled plasma mass spectrometry and the spatially resolved analysis of dried pL-droplets from a solution with a known concentration of Quantum Dots. Single cells and dried pL-droplets are morphologically characterized by Atomic Force Microscopy. A number concentration of CdSe/ZnS QDs between 3.5 104 and 48 104 is estimated to be uptaken by several selected single cells, after being incubated in the presence of a QDs suspension added to a standard cell culture medium. Mono-elemental bioimaging at subcellular resolution seems to show a higher number concentration of the CdSe/ZnS QDs in the cytosol around the cell nucleus.