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Temperature-regulation liquid gating membrane with controllable gas/liquid separation

Green Energy & Environment 2023年第6期8卷 1501-1508页

作者： baiyi chen Huimeng Wang Jiadai Xu Liting Pan Yuan Jing Xu Hou State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen361005China Department of Physics Research Institute for Biomimetics and Soft MatterFujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen361005China Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) Xiamen361102China State Key Laboratory of Bio-Fibers and Eco-Textiles Qingdao UniversityQingdao266071China

Membrane separation technology with the ability to regulate gas/liquid transport and separation is critical for environmental fields, such as sewerage treatment, multiphase separation, and desalination. Although numerous membranes can dynamically control liquid-phase fluids transport via external stimuli, the transport and separation of gas-phase fluids remains a challenge. Here, we show a temperature-regulation liquid gating membrane that allows in-situ dynamically controllable gas/liquid transfer and multiphase separation by integrating a thermo-wettability responsive porous membrane with functional gating liquid. Experiments and theoretical analysis have demonstrated the temperature-regulation mechanism of this liquid gating system, which is based on thermo-responsive changes of porous membrane surface polarity, leading to changes in affinity between the porous membrane and the gating liquid. In addition, the sandwich configuration with dense Au-coated surfaces and heterogeneous internal components by a bistable interface design enables the liquid gating system to enhance response sensitivity and maintain working stability. This temperature-regulation gas/liquid transfer strategy expands the application range of liquid gating membranes,which are promising in environmental governance, water treatment and multiphase separation.

关键词： Temperature-regulation Liquid gating membrane Sandwich configuration Multiphase separation Environmental governance

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Light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control

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Light(Science & Applications) 2021年第7期10卷 1155-1163页

作者： baiyi chen Rongrong Zhang Yaqi Hou Jian Zhang Shiyan chen Yuhang Han Xinyu chen Xu Hou State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Collaborative Innovation Centre of Chemistry for Energy Materials Xiamen UniversityXiamen 361005China Department of Physics Research Institute for Biomimetics and Soft MatterFujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen 361005China Tan Kah Kee Innovation Laboratory Xiamen 361102China

Safe and precise control of gas flow is one of the key factors to many physical and chemical processes,such as degassing,natural gas transportation,and gas *** practical application,it is essential for the gas-involved physicochemical process to keep everything under control and safe,which significantly relies on the controllability,safety,and stability of their *** we show a light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control under a constant pressure by incorporating dynamic gating liquid with light responsiveness of solid porous *** experimental and theoretical analysis reveal that the photoisomerization of azobenzene-based molecular photoswitches on the porous substrate enabled the gas valve to possess a light-responsive and reversible variation of substantial critical pressure of non-thermal effective gas flow ***,the chemically inert gating liquid prevented the solid substrate from corrosion and,by combining with the high spatiotemporal resolution of light,the gas valve realizes a precisely positional open and close under a steady-state *** application demonstrations in our results show the potentials of the new gas valve for bringing opportunities to many applications,such as gas-involved reaction control in microfluidics,soft actuators,and beyond.

关键词： corrosion flow liquid

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Thermodynamics for the non-conventional synthesizing of out-of-plane ordered double-transition metal“312”and“413”MAX phases(o-MAX):A high throughput linear programing first-principles calculation

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Journal of Materials Science & Technology 2023年第3期134卷 81-88页

作者： Xianghui Feng Nan Li baiyi chen Chao Zeng Tianyu Bai Kai Wu Yonghong cheng Bing Xiao School of Electrical Engineering State Key Laboratory of Electrical Insulation and Power EquipmentXi’an Jiaotong UniversityXi’an 710049China

The reaction thermodynamics for synthesizing the“312”and“413”o-MAX phases using the powder met-allurgy are investigated using a linear programing optimization algorithm based on the high-throughput first principles phonon *** validity and reliability of the current methodology are verified by correctly predicting the impurities in four experimentally known o-MAX systems including Cr-Ti-Al-C,Cr-V-Al-C,Mo-Sc-Al-C and *** formability of each investigated o-MAX phase is evaluated by means of formation enthalpy and formation Gibbs free energy in a temperature range from 0 K to 1700 *** is revealed that the thermodynamic stability of the“413”o-MAX structure is no better than that of the“312”*** formability of“413”o-MAX is also reduced at high sintering temperature,compared to that of“312”*** optimal synthetic routes are predicted for all thermodynamically stable“312”and“413”o-MAX *** is found that most o-MAX phases considered could be prepared as the single phase using the non-conventional synthetic routes from the aspect of reaction *** of them including Cr_(2)TaAlC_(2),Nb_(2)HfAlC_(2),Nb_(2)TaAlC_(2),Nb_(2)Hf_(2)AlC_(3),Nb_(2)Ta_(2)AlC_(3),Mo_(2)V_(2)AlC_(3)and Mo_(2)Ta_(2)AlC_(3)are predicted to be either destabilized at high temperature or overwhelmed by the most competing side reaction.

关键词： Thermodynamics First-principles calculation Synthesis o-MAX phase

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Energy saving thermal adaptive liquid gating system

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The Innovation 2022年第3期3卷 81-86页

作者： baiyi chen Mengchuang Zhang Yaqi Hou Huimeng Wang Rongrong Zhang Yi Fan Xinyu chen Xu Hou State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Institute of Artificial Intelligence Xiamen UniversityXiamen 361005China Department of Physics Research Institute for Biomimetics and Soft MatterFujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen 361005China School of Civil Aviation Northwestern Polytechnical UniversityXi’an 710072China College of Ocean and Earth Sciences Carbon Neutral Innovation Research Center(CNIR)Xiamen UniversityXiamen 361005China Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) Xiamen 361005China

Thermal transfer systems involving temperature control through heating,ventilation,and air conditioning applications have emerged as one of the largest energy issues in *** approaches mainly comprise closed and open systems,both of which have certain advantages and disadvantages in a single heating or cooling *** we report a thermal adaptive system with beneficial energy-saving properties,which uses functional liquid to exhibit high metastability,providing durability in a temperature-responsive liquid gating system.

关键词： process. liquid thermal

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Photothermally induced liquid gate with navigation control of the fluid transport

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Fundamental Research 2021年第6期1卷 800-806页

作者： Yuhang Han Yunmao Zhang Mengchuang Zhang baiyi chen Xinyu chen Xu Hou State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of ChemistryCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Department of Physics Research Institute for Biomimetics and Soft MatterFujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen 361005China Tan Kah Kee Innovation Laboratory Xiamen 361102China

The ability to control multiphase flows is essential for applications such as microvalves,chemical analyses,mi-croreactors,and multiphase ***,more specific controls,including the positional naviga-tion control of fluids under steady-state pressures,will improve the development of these ***,we present a fundamentally new photothermally induced liquid gating system that allows light-controlled con-tactless fluid transport and gas/liquid separations at designated locations,with seconds response times,under constant *** and theoretical calculations demonstrate the stability of our system and its novel regulation mechanism,which is based on a photothermally induced liquid-reconfigurable gate with a change in the surface/interfacial tension and Marangoni flow redistribution of the gating liquid at the illuminated *** regulation mechanism with positional navigation properties requires neither mechanical parts nor complex accessories and can further enable the miniaturization and integration of various engineering *** ap-plication demonstrations confirm the potential of this system in fields of smart valves,multiphase separations,multiphase microreactors,and beyond.

关键词： Liquid gating Navigation control Photothermally induced Marangoni flow Fluid transport

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Performance prediction of magnetorheological fluid‐based liquid gating membrane by kriging machine learning method

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Interdisciplinary Materials 2022年第1期1卷 157-169页

作者： Mengchuang Zhang Yuan Jing Jian Zhang Zhizhi Sheng Yaqi Hou Jiadai Xu baiyi chen Jing Liu Miao Wang Xu Hou Department of Physics Research Institute for Biomimetics and Soft MatterFujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamenChina Institute of Artificial Intelligence Xiamen UniversityXiamenChina School of Civil Aviation Northwestern Polytechnical UniversityXi'anChina Yangtze River Delta Research Institute of Northwestern Polytechnical University Taicang CityJiangsu ProvinceChina State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamenChina Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of SciencesSuzhouChina Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) XiamenChina

Smart liquid gating membrane is a responsive structural material as a pressure-driven system that consists of solid membrane and dynamic liquid,responding to the external *** accurate prediction of rheological and mechanical properties is important for the designs of liquid gating membranes for various ***,high predicted accuracy by the traditional sequential method requires a large amount of experimental data,which is not practical in some *** conquer these problems,artificial intelligence has promoted the rapid development of material science in recent years,bringing hope to solve these *** we propose a Kriging machine learning model with an active candidate region,which can be smartly updated by an expected improvement probability method to increase the local accuracy near the most sensitive search region,to predict the mechanical and rheolo-gical performance of liquid gating system with an active minimal size of ex-perimental *** this,this new machine learning model can instruct our experiments with optimal *** methods are then verified by liquid gating membrane with magnetorheological fluids,which would be of wide interest for the design of potential liquid gating applications in drug release,microfluidic logic,dynamic fluid control,and beyond.

关键词： active candidate region techniques artificial intelligence Kriging machine learning method magnetorheological fluid-based liquid gating membrane rheological and mechanical model

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Expert Consensus on Polymyxin Antimicrobial Susceptibility Testing and Clinical Interpretation

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Chinese Medical Sciences Journal 2021年第1期36卷 1-16页

作者： Qiwen Yang Xiaoling Ma Fupin Hu Jing Zhang Tongwen Sun baiyi chen Yingchun Xu Youning Liu Chinese Committee on Antimicrobial Susceptibility Testing(ChiCAST) Expert Committee on Infectious Diseases,China Medical Education Association Department of Clinical Laboratory State Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100730China Department of Laboratory Medicine the First Affiliated HospitalUniversity of Science and Technology of ChinaHefei 230001China lnstitute of Antibiotics Huashan HospitalFudan UniversityShanghai 200040China General ICU the First Affiliated HospitalZhengzhou UniversityZhengzhou 450052China Department of Infectious Diseases the First Affiliated HospitalChina Medical UniversityShenyang 110001China Department of Respiratory Medicine the First Medical Center of PLA General HospitalBeijing 100853China 不详

The polymyxins are important antimicrobial agents against antibiotic-resistant gram-negative *** 2020,the Clinical and Laboratory Standards Institute modified the clinical breakpoints for polymyxin susceptibility test by eliminating the"susceptible"interpretive category,only reporting intermediate(≤2 mg/L)and resistant(≥4 mg/L).However,the European Committee on Antimicrobial Susceptibility Testing recommended the use of clinical breakpoints of W2 mg/L as susceptible and>2 mg/L as *** first-line laboratorians and clinicians in China have been perplexed by the inconsistence of international polymyxin clinical breakpoints and discouraged by the difficulty of conducting polymyxin susceptibility ***,it is urgently needed to make it clear for the laboratorians in China to know how to accurately carry out polymyxin susceptibility testing and standardize the interpretation of susceptibility testing *** this end,the experts from relevant fields were convened to formulate this consensus statement on the testing and clinical interpretation of polymyxin *** recommendations are proposed accordingly for laboratorians and clinicians to streamline their daily work.

关键词： polymyxin antimicrobial susceptibility testing clinical interpretation expert consensus

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社区获得性肺炎经验性抗感染治疗的临床微生物思维

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中华结核和呼吸杂志 2021年第6期44卷 588-591页

作者：郑旭婷陈佰义中国医科大学附属第一医院感染病科沈阳110001

社区获得性肺炎(CAP)是一种社区发生的重要急性感染病,早期充分治疗可以改善预后。临床抗感染实践必须要培养临床微生物思维,即对病原体及其耐药性的评估。指南推荐的两种方案为CAP治疗的多样化提供了可能,抗菌药物选择的多样化是遏制... 详细信息

社区获得性肺炎(CAP)是一种社区发生的重要急性感染病,早期充分治疗可以改善预后。临床抗感染实践必须要培养临床微生物思维,即对病原体及其耐药性的评估。指南推荐的两种方案为CAP治疗的多样化提供了可能,抗菌药物选择的多样化是遏制耐药发生发展的关键之所在。本文从CAP主要病原体及耐药性的流行病学与个体化评、CAP经验性治疗中两个方案的临床实践以及病情严重程度对选择治疗方案的影响三方面展开阐述具有临床微生物思维的经验性抗感染治疗可以最大程度减少CAP中过度的抗感染治疗。

关键词：临床微生物社区获得性肺炎经验性抗感染治疗经验性治疗病情严重程度抗菌药物选择流行病学临床实践

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高毒力肺炎克雷伯菌感染研究进展

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中华结核和呼吸杂志 2020年第10期43卷 870-874页

作者：张欣陈佰义中国医科大学附属第一医院感染病科沈阳110001

高毒力肺炎克雷伯菌日益活跃,已成为全球关注的重要病原体之一。与经典的肺炎克雷伯菌不同,该细菌多造成免疫功能健全宿主的感染,以肝脓肿最为常见,常伴有多器官系统的共感染或血流感染,导致发生严重致残、致死事件。本文从高毒力肺炎... 详细信息

高毒力肺炎克雷伯菌日益活跃,已成为全球关注的重要病原体之一。与经典的肺炎克雷伯菌不同,该细菌多造成免疫功能健全宿主的感染,以肝脓肿最为常见,常伴有多器官系统的共感染或血流感染,导致发生严重致残、致死事件。本文从高毒力肺炎克雷伯菌的起源、定义、流行病学特点、发病机制以及临床诊疗等方面进行综述。

关键词：器官系统共感染肺炎克雷伯菌流行病学特点肝脓肿血流感染临床诊疗免疫功能

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利奈唑胺与万古霉素对小鼠巨噬细胞RAW264.7吞噬功能的影响

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中国感染与化疗杂志 2013年第1期13卷 59-64页

作者：徐鹃鹃陈佰义中国医科大学附属第一医院感染科辽宁沈阳110001

目的探讨利奈唑胺和万古霉素对金葡菌肽聚糖(PG)刺激的小鼠巨噬细胞系RAW264.7吞噬功能的影响。方法在激光共聚焦显微镜和荧光显微镜下观察巨噬细胞吞噬荧光微球的过程。将小鼠巨噬细胞系分为3组:对照组、PG组和抗菌药组(低、中、高剂... 详细信息

目的探讨利奈唑胺和万古霉素对金葡菌肽聚糖(PG)刺激的小鼠巨噬细胞系RAW264.7吞噬功能的影响。方法在激光共聚焦显微镜和荧光显微镜下观察巨噬细胞吞噬荧光微球的过程。将小鼠巨噬细胞系分为3组:对照组、PG组和抗菌药组(低、中、高剂量),用流式细胞仪计算吞噬率和吞噬指数。结果异硫氰酸荧光素(FITC)标记的微球可被吞入巨噬细胞内。与对照组相比,经PG刺激后,小鼠巨噬细胞吞噬功能明显上升(P0.05)。结论亚MIC和治疗浓度的利奈唑胺能抑制金葡菌PG刺激引起的吞噬功能的增高,而治疗浓度的万古霉素能增强其吞噬功能。2种药物对吞噬功能不同影响的临床意义尚待阐明。

关键词：利奈唑胺万古霉素巨噬细胞吞噬肽聚糖

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