Natalia Jurga

Natalia Jurga
Adam Mickiewicz University | UAM · Department of Rare Earths

Master of Science

About

7
Publications
403
Reads
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16
Citations
Additional affiliations
April 2019 - present
Adam Mickiewicz University
Position
  • PhD Student
Education
October 2017 - March 2019
Adam Mickiewicz University
Field of study
  • Chemistry

Publications

Publications (7)
Article
Full-text available
Water-dispersible up-converting nanoparticles (UCNPs) are known to be very effective in biomedical applications. Research groups have paid special attention to the synthesis of hydrophilic UCNPs with good physicochemical properties. Being aware of this, we decided to improve the ligand-free modification method of OA-capped NaYF 4 :Yb 3+ ,Er 3+ /NaY...
Article
Full-text available
The right choice of synthesis route for upconverting nanoparticles (UCNPs) is crucial for obtaining a well-defined product with a specific application capability. Thus we decided to compare the physicochemical, cytotoxic, and temperature-sensing properties of UCNPs obtained from different rare earth (RE) ions, which has been made for the first time...
Preprint
Full-text available
Water-dispersible up-converting nanoparticles (UCNPs) are known to be very effective in biomedical applications. Research groups have paid special attention to the synthesis of hydrophilic UCNPs with good physicochemical properties. Being aware of this, we decided to improve the ligand-free modification method of OA-capped NaYF 4 :Yb ³⁺ ,Er ³⁺ /NaY...
Article
NaYbF4 luminophores doped with Ho³⁺ and increasing amount of Ce³⁺ were synthesized by the solvothermal method in a DAB-2 reactor. The structure and morphology of the obtained materials were determined by X-ray diffraction and a scanning electron microscope. It was confirmed that the phase structure and morphology can be changed by modifying the con...

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Projects

Projects (3)
Project
The aim of the study is to evaluate the influence of lanthanide-doped nanoparticles on biology, ecology and behaviour of invertebrates. Project's research hypothesis assumes that nanoparticles (NPs) are taken up by animals, accumulated in their body and have impact on them. Therefore, the occurrence of bioaccumulation of the nanocrystals in freshwater and terrestrial biota will be determined. Moreover, the sublethal effects of the studied NPs to freshwater and terrestrial invertebrates will be identified. In addition, influence of the nanoparticles on biology and physiology of plants will be analysed. One of the project goals is verification of the hypothesis that lanthanide-doped nanocrystals are transferred in trophic chains (freshwater and terrestrial).
Project
The main goal of the project is to synthesize nanoparticles with the core/shell structure showing up-conversion luminescence under excitation with radiation from the second or third biological window (1000 –1350 nm or 1500 –1870 nm, NIR-II or NIR-III respectively).
Project
• to obtain cellulose fibres and paper – ecological materials, which structure will be modified with luminescent modifiers, ML, synthesized, • to prepare yarn or knitted structure based on modified cellulose fibres, • to synthesize printer inks modified with ML and to get luminescence overprints on paper. In the project research tasks were created: • a synthesis of ML – inorganic micro- and nanophosphors with suitably designed spectroscopic properties, based on rare earth elements, which emit visible light with desired colour, under dual-mode excitation of ultraviolet UV or/and infrared radiation IR, • the synthesis of ML with the use of selected method, including: hydro- and solvothermal reactions, precipitation in the high-boiling solvents and co-precipitation in the presence of compounds preventing agglomeration of the crystallites, • optimization of the preparation method of the cellulose fibres modified with ML and fabrication yarn or knitted structure, • development of the manufacturing process and production of the modified paper, • designing and production of the inks containing ML.