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Hyperploarized Xenon Lung MRI

Lung cancer is currently the first major cancer that causes the human death. A lung, containing many alveolus, has a very low proton density, so it can not be imaged using the traditional proton MRI. CT and X-ray can be used to image the lungs, however, these techniques are radioactive and can only obtain the structure information of the lungs.

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Hyperploarized Xenon Molecular Sensors

As an inert gas, ₁₂₉Xe is endowed with high selectivity by functionalized cage molecular, which bridges the ultra high sensitivity of optically-pumped NMR technique to the MRI molecular imaging. We are focused on the broadening of the application range of the Xenon based molecular sensor and even higher NMR sensitivity by further modification of the sensor and development of new NMR/MRI pulse method.

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Hyperpolarized Instruments

The ₁₂₉Xe hyperpolarizer can produce hyperpolarized ₁₂₉Xe gas by the way of spin-exchange optical pumping with high polarization (~3-5 orders of magnitude than the thermal polarization) and high productivity (>0.6 L/h). Hyperpolarized ₁₂₉Xe gas should be used in the lung and brain MRI for the human and other animals. Based on its special feature, the gas also can be developed in the biosensor.

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Atomic Magnetometer and Laser-Detected NMR

At present, NMR spectrometers use the radiofrequency (RF) coils for detecting NMR signals. Due to Faraday's law of electromagnetic induction, this method's sensitivity depends badly on the frequency of NMR signal, and it has a poor efficiency of conversion from RF energy to the current or voltage signals in RF coils...

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Multimodality Molecular Sensors

Multimodal molecular imaging can offer a synergistic improvement of diagnostic ability over a single imaging modality. A combination of multifunctional molecular probes such as biomolecules, polymers, and nanoparticles continue to increase functionality for in vivo multimodal imaging and therapeutic agents.

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research
areas

New Technology Improves Detection of Lung Disease

After five years of research, group lead by Professor Xin Zhou at the Wuhan Institute of Physics and Mathematics at the Chinese Academy of Sciences obtained several clear images of human lungs displaying gas exchange functions - a vital indication of lung health - the first such images obtained in China.

Typical Achievement of "Facing People's Life and Health" - Hyperpolarized Gas MRI

To carry out the aim of General Secretary Xi "facing people's life and health", group lead by Professor Xin Zhou has made breakthrough in the field of hyperpolarized gas MRI, and made contributions to the development of MR technology in China.

Ultrasensitive Magnetic Resonance Research Group

Hyperploarized Xenon Lung MRI

Hyperploarized Xenon Molecular Sensors

Hyperpolarized Instruments

Atomic Magnetometer and Laser-Detected NMR

Multimodality Molecular Sensors

CHINESE ACADEMY OF SCIENCES LAB