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Lab-on-Robot: Unmanned Mass Spectrometry Robot for Direct Sample Analysis in Hazardous and Radioactive Environments
Ximeng Liu1, Xuan Liu1, Boping Li2
1College of Environment and Climate, Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for On-line Source Apportionment System of Air Pollution, and Guangdong Provincial Key Laboratory of Speed Capability Research, Jinan University, Guangzhou 510632, China.
Abstract:
Onsite, safe, and reliable mass spectrometry (MS) analysis of hazardous and radioactive samples plays a crucial role in timely chemical emergency management and response in real environments. The current study reports the development of a smart MS robot by integrating miniature MS, quadruped robot, switchable robotic arm sampler, and direct ionization for remote-controlled chemical analysis of complex samples in inaccessible hazardous and radioactive environments. High automation and excellent analytical performance have been achieved in the real-time analysis of volatile toxic substances in air and onsite detection of explosive particles in air aerosols. Successful detection of hazardous compounds has been performed from raw wastewater. The chemical analysis of radioactive ore samples has also been demonstrated. Low limits of detection at ng/g or ng/mL (signal-to-noise ratio, S/N = 3) and good relative standard deviation (RSD < 12.0%, n = 6) were obtained by the MS robot for analyzing different gaseous, aerosol, liquid, and solid samples. The remote detection results of the MS robot were further validated. The reported study encourages the future development of a smart lab-on-robot, which functions with smart operation to replace the traditional laboratory procedures for MS analysis of dangerous chemical and environmental samples.
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