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- W2585721444 abstract "This thesis is dedicated to applications of nanodiamonds with colour centres for imaging and magnetic field sensing. Diamond nanocrystals with optically active defects such as nitrogen-vacancy (NV) or silicon-vacancy (SiV) can be used as optical markers. They are characterized by highly stable emission in contrast to other known optical markers. Owing to this they are attractive for studies of biological systems. First part of this thesis demonstrates application of nanodiamonds for drug delivery process. Stabilization of the nanocrystal’s surface in different solutions was achieved by coating with HSA-protein. Utilizing protein-protected nanodiamonds as carriers for chemotherapy drug (Doxorubicin), targeted delivery to the acidic tumor was demonstrated. Pre-clinical test proved the effectivity of this method compared to free drug molecules. The negatively charged nitrogen-vacancy centre due to unique combination of its optical and spin properties can be used as an atomic scale magnetic sensor. It combines in one high sensitivity and high resolution. In second part of this thesis these properties are exploited for detection of the metallo-protein – ferritin. The measurements of spin relaxation times allow to reveal the presence of ferritin in close vicinity of NV centre. The demonstrated experiments pave the way to a new method of ferritin’s core investigation, which is invaluable for diagnostics of different diseases." @default.
- W2585721444 created "2017-02-10" @default.
- W2585721444 creator A5044943756 @default.
- W2585721444 date "2017-02-01" @default.
- W2585721444 modified "2023-09-24" @default.
- W2585721444 title "Single spins in diamond for nanoscale sensing and microscopy" @default.
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- W2585721444 doi "https://doi.org/10.18725/oparu-4215" @default.
- W2585721444 hasPublicationYear "2017" @default.
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