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Plasma functionalized MoSe2 for efficient nonenzymatic sensing of hydrogen peroxide in ultra-wide pH range

SmartMat 2022年第3期3卷 491-502页

作者： Yang Luo Donghai Wu Zehui Li Xiao‐Yan Li Yinghong Wu Shien‐Ping Feng Carlo Menon Houyang Chen Paul K.Chu Department of Physics Department of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongHong KongChina Empa Swiss Federal Laboratories for Materials Science and TechnologyETH DomainDübendorfSwitzerland Centre for Water Technology and Policy Department of Civil EngineeringThe University of Hong KongHong KongChina Henan Key Laboratory of Nanocomposites and Applications Institute of Nanostructured Functional MaterialsHuanghe S&T UniversityZhengzhouChina State Key Laboratory for Mesoscopic Physics Collaborative Innovation Center of Quantum MatterSchool of PhysicsPeking UniversityBeijingChina Biomedical and Mobile Health Technology Lab Department of Health Sciences and TechnologyETH ZürichZürichSwitzerland Department of Mechanical Engineering The University of Hong KongHong KongChina Department of Chemical and Biological Engineering State University of New York at BuffaloNew YorkUSA

Enzymatic sensors have inherent problems such as the low stability and limited pH range in industrial and biomedical applications and therefore,more efficient nonenzymatic sensors are highly ***,plasmafunctionalized defective MoSe_(2)is prepared and studied as a highly efficient catalyst for electrochemical sensing of H_(2)O_(2).Experiments and theoretical computations show that the plasma-induced Se multi-vacancies and nitrogen dopants generate new active sites,expose more edge active surfaces,narrow the bandgap,and strengthen binding with the·OH intermediate,which imparts new fundamental knowledge about the roles of defects in *** defective MoSe_(2)-catalyzed sensor delivers competitive performance in hydrogen peroxide detection such as a low detection limit of 12.6 nmol/L,wide operational pH range of 1−13,good long-term stability,and high *** portable sensor produced by screen printing confirms the excellent commercial potential and in addition,the results not only reveal a novel concept to design and fabricate high-performance sensors for H_(2)_(O2)but also provide insights into the effectiveness of surface modification of diverse catalytic materials.

关键词： MoSe_(2) plasma functionalization electrochemical sensors hydrogen peroxides portable devices

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Social media in cardiology:Reasons to learn how to use it

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World Journal of Cardiology 2019年第10期11卷 217-220页

作者： Rafael Vidal-Perez Jose Juan Gómez de Diego Julia Grapsa Ricardo Fontes-Carvalho Jose Ramon Gonzalez-Juanatey Heart Failure Unit Cardiology DepartmentHospital Clinico Universitario de SantiagoSantiago de Compostela 15706A CorunaSpain Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares SpainSantiago de Compostela 15706A CorunaSpain Cardiovascular Institute Hospital Universitario San CarlosMadrid 28040Spain Cardiology Department St Bartholomew HospitalBarts Health TrustLondon EC1A 7BEUnited Kingdom Cardiology Department Centro Hospitalar GaiaUniversity of PortoPorto 4434-502Portugal

Social media has changed the way we learn,educate,and interact with our *** dynamic nature of social media and their immediate availability through our portable devices(smartphones,tablets,smartwatches,etc.)is quickly transforming the way we participate in *** scope of these digital tools is broad as they deal with many different aspects:Teaching and learning,case discussion,congresses coverage,peer to peer interaction,research are examples worth *** scientific societies considered more innovative,are promoting these tools between their *** new concepts need to be known by the cardiologists to stay updated,as countless information is moving rapidly through these *** summarize the main reasons why learning how to use these tools to be part of the conversation is essential for the cardiologist in training or fully stablished.

关键词： Social media Cardiology Congress Learning Teaching Interaction Cardiovascular diseases Impact Factor portable devices Smartphone Tablet

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