Abstract
Objective
Medical imaging techniques have widely revolutionized the diagnosis and treatment of various health conditions. Among these techniques, magnetic resonance imaging (MRI) has stood out as a noninvasive and versatile tool. Now, a breakthrough innovation called “manganese-carbon dots” is poised to enhance MRI imaging and provide physicians with even greater insight into the human body.
Materials and methods
In this study, one-pot hydrothermal method was used to fabricate magneto-fluorescent carbon quantum dots using manganese citrate, urea, and Mn2+. Manganese citrateAQ3 acted as a carbon source and contrast agent. TEM,XPS, FTIR, UV–Vis, fluorescent analysis confirmed the successful synthesis of magneto-fluorescent carbon quantum dots. The MTT assay was used to study its biocompatiblity, Finallay application of itscompound for mri imaging was investigated.
Results
Characterization Techniques confirmed the succesful synthesis of product. MTT assay showed no toxicity of this product on HEK-293 cells. In addition, it exhibited high r1 relaxivity (7.4 mM–1 S−1) suggesting excellent potential of magneto-fluorescent carbon quantum dots as MRI T1 contrast agent and enabling specific imaging.
Conclusion
Based on the results obtained, the synthesized carbon quantum dots could be used as fluorescence/MRI bimodal platform for in vivo imaging.
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Data availability statement
The data that support the findings of this study are available from the corresponding author, upon reasonable request.
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This manuscript is prepared based on PhD thesis of first author at Rasht Branch, Islamic Azad University, Rasht, Iran.
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Ali, V., Kefayati, H., Shafiee Ardestani, M. et al. Synthesis and evaluation of new magneto-fluorescent carbon dot based on manganese citrate for MRI imaging. Magn Reson Mater Phy 37, 139–148 (2024). https://doi.org/10.1007/s10334-023-01117-8
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DOI: https://doi.org/10.1007/s10334-023-01117-8