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A crosstalk-free dual-mode sweat sensing system for naked-eye sweat loss quantification via changes in structural reflectance

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Bio-Design and Manufacturing 2024年第4期7卷 428-438页

作者： Bowen Zhong Hao Xu Xiaokun Qin Lingchen Liu Hailong Wang Lili Wang State Key Laboratory for Superlattices and Microstructures Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China Center of Materials Science and Optoelectronic Engineering University of Chinese Academy of SciencesBeijing 100049China

Sweat loss monitoring is important for understanding the body’s thermoregulation and hydration status,as well as for comprehensive sweat *** recent advances,developing a low-cost,scalable,and universal method for the fabrication of colorimetric microfluidics designed for sweat loss monitoring remains *** this study,we propose a novel laserengraved surface roughening strategy for various flexible *** process permits the construction of microchannels that show distinct structural reflectance changes before and after sweat *** leveraging these unique optical properties,we have developed a fully laser-engraved microfluidic device for the quantification of naked-eye sweat *** sweat loss sensor is capable of a volume resolution of 0.5µL and a total volume capacity of 11µL,and can be customized to meet different performance ***,we report the development of a crosstalk-free dual-mode sweat microfluidic system that integrates an Ag/AgCl chloride sensor and a matching wireless measurement flexible printed circuit *** integrated system enables the real-time monitoring of colorimetric sweat loss signals and potential ion concentration signals without ***,we demonstrate the potential practical use of this microfluidic sweat loss sensor and its integrated system for sports medicine via on-body studies.

关键词： Sweat loss sensor Microfluidic design Structural reflectance Dual-mode integration crosstalk-free

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crosstalk-free colloidosomes for high throughput single-molecule protein analysis

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Science China Chemistry 2020年第10期63卷 1507-1514页

作者： Kun Yin Xi Zeng Xuan Liang Haopai Wei Huimin Zeng Wei Qi Weidong Ruan Yanling Song Chaoyong Yang Zhi Zhu The Key Laboratory of Chemical Biology of Fujian Province the MOE Key L aboratory of Spectrochemical Analysis&InstrumentationState Key Laboratory of Physical Chemistry of Solid SurfacesCollaborative Innovation Center of Chemistry for Energy MaterialsDepartment of Chemical EngineeringDepartment of Chemical BiologyCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Institute of Molecular Medicine Renji HospitalShanghai Jiao Tong University School of MedicineShanghai 200127China

Droplet microfluidics is a powerful platform for high-throughput single-molecule protein ***,the issues of coalescence and crosstalk of droplets compromise the accuracy of detection and hinder its wide *** address these limitations,a novel colloidosome-based method was presented by combining a Pickering emulsion with droplet microfluidics for single-molecule protein *** the self-assembly of easily synthesized colloidal surfactant F-SiO2 NPs at the water/oil interface,the colloidosomes are rigidly stabilized and can effectively avoid the leakage of fluorescent *** crosstalk-free colloidosomes enable high-throughput single-molecule protein analysis,including heterogenous dynamic studies and digital *** a robust and accurate method,colloidosome-based microfluidics is promising as a powerful tool for a wide variety of applications,such as directed enzyme evolution,digital enzyme-linked immunosorbent assay(ELISA),and screening of antibiotics.

关键词： colloidosomes droplet microfluidics crosstalk-free single-molecule analysis protein detection

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维普期刊数据库

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crosstalk-free achromatic full Stokes imaging polarimetry metasurface enabled by polarization-dependent phase optimization

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Opto-Electronic Advances 2022年第11期5卷 16-28页

作者： Yaxin Zhang Mingbo Pu Jinjin Jin Xinjian Lu Yinghui Guo Jixiang Cai Fei Zhang Yingli Ha Qiong He Mingfeng Xu Xiong Li Xiaoliang Ma Xiangang Luo State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering Institute of Optics and ElectronicsChinese Academy of SciencesChengdu 610209China Research Center on Vector Optical Fields Institute of Optics and ElectronicsChinese Academy of SciencesChengdu 610209China School of Optoelectronics University of Chinese Academy of SciencesBeijing 100049China Key Laboratory of Optoelectronic Technology and System Ministry of EducationChongqing UniversityChongqing 400030China

Imaging polarimetry is one of the most widely used analytical technologies for object detection and *** date,most metasurface-based polarimetry techniques are severely limited by narrow operating bandwidths and inevitable crosstalk,leading to detrimental effects on imaging quality and measurement ***,we propose a crosstalkfree broadband achromatic full Stokes imaging polarimeter consisting of polarization-sensitive dielectric metalenses,implemented by the principle of polarization-dependent phase *** with the single-polarization optimization method,the average crosstalk has been reduced over three times under incident light with arbitrary polarization ranging from 9μm to 12μm,which guarantees the measurement of the polarization state more *** experimental results indicate that the designed polarization-sensitive metalenses can effectively eliminate the chromatic aberration with polarization selectivity and negligible *** measured average relative errors are 7.08%,8.62%,7.15%,and 7.59%at 9.3,9.6,10.3,and 10.6μm,***,the broadband full polarization imaging capability of the device is also *** work is expected to have potential applications in wavefront detection,remote sensing,light-field imaging,and so forth.

关键词： metasurface broadband achromatic crosstalk-free full polarization imaging polarimetry

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