Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

High-Yield Production of Water-soluble MoS2 Quantum Dots for Fe3+ Detection and Cell Imaging

Version 1 : Received: 21 September 2020 / Approved: 21 September 2020 / Online: 21 September 2020 (14:49:23 CEST)

How to cite: Xu, B.; Zhang, Z.; Wang, L.; Yuan, R.; Ju, Z.; Zhang, P.; Liu, W. High-Yield Production of Water-soluble MoS2 Quantum Dots for Fe3+ Detection and Cell Imaging. Preprints 2020, 2020090504 (doi: 10.20944/preprints202009.0504.v1). Xu, B.; Zhang, Z.; Wang, L.; Yuan, R.; Ju, Z.; Zhang, P.; Liu, W. High-Yield Production of Water-soluble MoS2 Quantum Dots for Fe3+ Detection and Cell Imaging. Preprints 2020, 2020090504 (doi: 10.20944/preprints202009.0504.v1).

Abstract

Uniform water soluble MoS2 quantum dots (WS-MSQDs) are synthesized via a sequential combination of sintering/etching/exfoliation method and solvothermal route. The obtained WS-MSQDs with average size of approximately 3.4 nm exhibit sufficient water solubility and remarkable fluorescence properties. The WS-MSQDs have been utilized as a probe for detection of Fe3+ ions with high selectivity and specificity. Furthermore, the WS-MSQDs exhibit high fluorescence stability under different conditions. Finally, the WS-MSQDs are successfully applied for the fluorescence imaging of Fe3+ in living cells, which exhibited practical potential for biomedical applications.

Subject Areas

Water-soluble MoS2 quantum dots; , Fluorescent probe; Fe3+ ion sensor; Living cells

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