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Fluorescent Nanodiamonds for Quantum Sensing in Biology
Jia Su1,2, Zenghao Kong1,2,3, Linyu Zeng1,2
1CAS Key Laboratory of Microscale Magnetic Resonance and School of Physical Sciences, University of Science and Technology of China, Hefei, China.
Summary
Fluorescent nanodiamonds with nitrogen-vacancy centers offer unique quantum sensing capabilities. This review highlights their surface functionalization and applications in bio-imaging, intracellular tracking, and magnetic resonance spectroscopy.
Area of Science:
- Physics and Biology
- Quantum Mechanics
- Materials Science
Background:
- Fluorescent nanodiamonds possess excellent optical and biocompatible properties.
- The nitrogen-vacancy (NV) center in diamonds exhibits unique quantum properties at room temperature.
- NV centers are sensitive to external physical properties like magnetic fields, electric fields, temperature, and pressure.
Purpose of the Study:
- To review the surface functionalization of nanodiamonds.
- To summarize recent advancements in applying nanodiamonds as quantum sensors.
- To explore applications in intracellular orientation tracking, temperature sensing, and magnetic resonance.
Main Methods:
- Surface functionalization techniques for nanodiamonds.
- Utilizing the quantum properties of NV centers for sensing.
- Reviewing literature on nanodiamond applications in quantum sensing and bio-sensing.
Main Results:
- Nanodiamonds can be functionalized to enhance their properties and applications.
- NV centers in nanodiamonds enable high-sensitivity quantum sensing.
- Applications include intracellular tracking, temperature sensing, and advanced magnetic resonance techniques.
Conclusions:
- Surface functionalization is key to tailoring nanodiamonds for specific applications.
- Nanodiamonds are versatile quantum sensors with significant potential in biology and physics.
- Further research promises expanded applications in quantum technologies and biomedical fields.
