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6th International Conference on Nanotechnologies and biomedical engineering, ICNBME 2023

作者： Sprincean, Veaceslav Caraman, Mihail Qiu, Haoyi Tjardts, Tim Sereacov, Alexandr Aktas, Cenk Adelung, Rainer Lupan, Oleg Faculty of Physics and Engineering Moldova State University 60 Alexei Mateevici Street ChisinauMD-2009 Moldova Department of Materials Science Faculty of Engineering Chair for Functional Nanomaterials Kiel University Kaiserstraße 2 Kiel24143 Germany Chair for Multicomponent Materials Department of Materials Science Faculty of Engineering Kiel University Kaiserstraße 2 Kiel24143 Germany Department of Metallurgical and Materials Engineering Middle East Technical University Ankara Turkey Center for Nanotechnology and Nanosensors Department of Microelectronics and Biomedical Engineering Technical University of Moldova 168 Stefan Cel Mare Av. ChisinauMD-2004 Moldova

ISBN: (纸本)9783031427749

The detection of radiation in the ultraviolet C (UVC) region (100–280 nm) is of great importance for numerous technical applications, such as fire detection in security devices, tracking astronomical missile trajectories, chemical-biological analyses, and medicinal applications. Wide bandgap semiconductors have emerged as ideal materials for electronic devices operating in this spectral range. Among the various promising materials, β-Ga2O3, a gallium oxide with a monoclinic crystal lattice, has garnered significant attention along with AlxGa1-xN, AlN, and BN. While thin layers of AlxGa1-xN suffer from structural instability, AlN exhibits photosensitivity to radiation with wavelengths shorter than 215 nm. On the other hand, cubic BN possesses an absorption band fundamental in the UV-vacuum region (λ ≤ 195 nm). Notably, β-Ga2O3, with its direct n-type energy bands and a bandgap of 4.5–4.9 eV, demonstrates high photosensitivity in the UVC range, making it an excellent material for photoreceptors in the 220–280 nm range. In this study, we investigate the elemental chemical composition, absorption band edge, vibrational and photoresponsive properties of β-Ga2O3 nano-wire/nano-ribbon assemblies on a substrate of monocrystalline lamellae from GaSxSe1-x solid solutions (x = 0.17). The nano-wire assemblies were grown using thermal oxidation of gallium compound semiconductors at temperatures ranging from 750 to 950 ℃ in an oxygen or water vapor-enriched atmosphere. Our findings provide valuable insights into the potential of β-Ga2O3 nanostructures as efficient photoreceptors for UVC radiation detection. © 2024, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Nanowires

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Development of a novel quality control indicator for coffee roasting based on the digitalization of smell by a portable electronic nose 20

Development of a novel quality control indicator for coffee ...

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20th International Joint Conference on Computer science and Software engineering, JCSSE 2023

作者： Somaudon, Varanya Sakuldee, Pathapee Kerdcharoen, Teerakiat Materials Science and Engineering Program Mahidol University Faculty of Science Bangkok Thailand School of Science Material Engineering Mae Fah Luang University Chiang rai Thailand Mahidol University Faculty of Science Department of Physics Bangkok Thailand

ISBN: (纸本)9798350300505

Northern Thailand is home to several Arabica coffee-growing regions, including Mae-kampong, Teentok, Mae-lord, and Monngo Valleys, whose coffees are featured throughout this study. These coffees have distinct aromas and flavors due to their varied cultivation locations, which are influenced by unique climatic conditions. The purpose of this paper is to comprehend the aroma of coffees brought from various locations and roasted under the same conditions. Our lab-made electronic nose (e-nose) was used to digitalize and analyze the smell of coffee. In order to monitor the coffee scent throughout roasting and assess how similar the aromas of coffee samples taken from various locations are to one another, principal component analysis and hierarchical cluster analysis were used. It was found that our e-nose system is an effective tool for determining the geo-location of the coffee origin as well as for quality control of coffee production. © 2023 IEEE.

关键词： Electronic nose

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Research progress on electronic and active site engineering of cobalt‐based electrocatalysts for oxygen evolution reaction

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Carbon Energy 2024年第8期6卷 134-165页

作者： Chuansheng He Linlin Yang Jia Wang Tingting Wang Jian Ju Yizhong Lu Wei Chen School of Materials Science and Engineering University of JinanJinanChina Catalonia Energy Research Institute—IREC Sant Adriàde BesòsBarcelonaSpain Department of Electronic and Biomedical Engineering University of BarcelonaBarcelonaSpain Graduate School of Integrated Sciences for Life Hiroshima UniversityHigashi‐HiroshimaHiroshimaJapan Wenzhou Institute University of Chinese Academy of SciencesWenzhouChina Oujiang Lab WenzhouChina School of Chemistry and Pharmaceutical Science Guangxi Normal UniversityGuilinChina

Electrocatalytic water splitting has been identified as a potential candidate for producing clean hydrogen energy with zero carbon ***,the sluggish kinetics of oxygen evolution reaction on the anode side of the watersplitting device significantly hinders its practical ***,the efficiency of oxygen evolution processes depends greatly on the availability of cost‐effective catalysts with high activity and *** recent years,extensive theoretical and experimental studies have demonstrated that cobalt(Co)‐based nanomaterials,especially low‐dimensional Co‐based nanomaterials with a huge specific surface area and abundant unsaturated active sites,have emerged as versatile electrocatalysts for oxygen evolution reactions,and thus,great progress has been made in the rational design and synthesis of Co‐based nanomaterials for electrocatalytic oxygen evolution *** the remarkable progress in this area,in this timely review,we highlight the most recent developments in Co‐based nanomaterials relating to their dimensional control,defect regulation(conductivity),electronic structure regulation,and so ***,a brief conclusion about recent progress achieved in oxygen evolution on Co‐based nanomaterials,as well as an outlook on future research challenges,is given.

关键词： Co‐based nanomaterial dimension regulation electronic structure and active site oxygen evolution reaction

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Optothermal multimodal manipulation of micro/nanoparticles

Optothermal multimodal manipulation of micro/nanoparticles

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2023 Conference on Lasers and Electro-Optics, CLEO 2023

作者： Ding, Hongru Kollipara, Pavana Siddhartha Yao, Kan Zheng, Yuebing Walker Department of Mechanical Engineering The University of Texas at Austin AustinTX78712 United States Materials Science & Engineering Program Texas Materials Institute The University of Texas at Austin AustinTX78712 United States

ISBN: (纸本)9781957171258

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Moderate-Refractive-Index Mie Resonators for Versatile Modulation of Two-Dimensional Excitons

Moderate-Refractive-Index Mie Resonators for Versatile Modul...

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2023 Conference on Lasers and Electro-Optics, CLEO 2023

作者： Fang, Jie Zheng, Yuebing Materials Science & Engineering Program Texas Materials Institute The University of Texas at Austin AustinTX78712 United States Walker Department of Mechanical Engineering The University of Texas at Austin AustinTX78712 United States

ISBN: (纸本)9781957171258

By coupling well-designed moderate-refractive-index Mie resonators to monolayer semiconductors, we have demonstrated efficient modulation of two-dimensional excitons in multiple dimensions: far-field excitonic radiation patterns, intrinsic excitonic quantum dynamics, and bosonic exciton-polariton emission lines. © 2023 The Author(s)

关键词： Resonators

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Host defense peptide-mimicking peptide polymer-based antibacterial hydrogel enables efficient healing of MRSA-infected wounds

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science China Chemistry 2023年第6期66卷 1824-1833页

作者： Zhongqian Qiao Wenjing Zhang Yueming Wu Weinan Jiang Ning Shao Jiayang Xie Guixue Xia Qimeng Chen Zhefeng Liu Jingcheng Zou Jiawei Gu Shifang Luan Haodong Lin Runhui Liu State Key Laboratory of Bioreactor Engineering East China University of Science and TechnologyShanghai 200237China Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic ChemistryShanghai Frontiers Science Center of Optogenetic Techniques for Cell MetabolismResearch Center for Biomedical Materials of Ministry of EducationSchool of Materials Science and EngineeringEast China University of Science and TechnologyShanghai 200237China Department of Orthopedic Surgery Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai 200080China State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China

Wound infections are a compelling health issue caused by the invasion and proliferation of pathogens in wound *** hydrogels are widely used to achieve anti-infectious wound ***,due to the quick emergence of drugresistant bacteria,such as methicillin-resistant Staphylococcus aureus(MRSA),wound infection has been a formidable challenge to human *** address MRSA-infected wounds,an antibacterial peptide polymer-loaded hyaluronic acid(HA)hydrogel(Gel-HA@P)is *** peptide polymer is designed to mimic host defense peptides as the antibiotic alternative showing potent antibacterial activity,low susceptibility to drug resistance and good stability against *** is biocompatible and biodegradable hydrogel substrate as a primary constituent of the extracellular matrix and suitable for cell migration and wound ***-HA@P shows potent activity against MRSA in vitro and in vivo,low toxicity during the treatment and promotes the wound healing in *** design has proven to be an effective and antibiotic-free strategy to enable the healing of MRSA-infected wounds.

关键词： peptide polymer wound healing MRSA drug-resistance host defense peptide

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Advancing electrochemical impedance analysis through innovations in the distribution of relaxation times method

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Joule 2024年第7期8卷 1958-1981页

作者： Maradesa, Adeleke Py, Baptiste Huang, Jake Lu, Yang Iurilli, Pietro Mrozinski, Aleksander Law, Ho Mei Wang, Yuhao Wang, Zilong Li, Jingwei Xu, Shengjun Meyer, Quentin Liu, Jiapeng Brivio, Claudio Gavrilyuk, Alexander Kobayashi, Kiyoshi Bertei, Antonio Williams, Nicholas J. Zhao, Chuan Danzer, Michael Zic, Mark Wu, Phillip Yrjänä, Ville Pereverzyev, Sergei Chen, Yuhui Weber, André Kalinin, Sergei V. Schmidt, Jan Philipp Tsur, Yoed Boukamp, Bernard A. Zhang, Qiang Gaberšček, Miran O'Hayre, Ryan Ciucci, Francesco Department of Mechanical and Aerospace Engineering The Hong Kong University of Science and Technology Hong Kong Metallurgical and Materials Engineering Colorado School of Mines Golden80401 United States Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology Department of Chemical Engineering Tsinghua University Beijing China Green Energy Storage Trento38123 Italy Department of Manufacturing and Production Engineering Faculty of Mechanical Engineering and Ship Technology Institute of Machine and Materials Technology Gdańsk University of Technology Gdańsk Poland Electrode Design for Electrochemical Energy Systems University of Bayreuth Bayreuth Germany School of Chemistry University of New South Wales Sydney Australia School of Advanced Energy Sun Yat-Sen University Shenzhen China Sustainable Energy Center CSEM Neuchâtel2002 Switzerland Interdisciplinary Faculty of Science and Engineering Shimane University Matsue Japan Centre for Electronic and Optical Materials National Institute for Materials Science Tsukuba Japan Department of Civil and Industrial Engineering University of Pisa Pisa Italy Department of Materials Imperial College London Exhibition Road LondonSW7 2AZ United Kingdom Department of Chemical Engineering Massachusetts Institute of Technology Cambridge02139 United States Electrical Energy Systems University of Bayreuth Bayreuth Germany Ruder Boskovic Institute Zagreb Croatia Department of Materials and Minerals Resources Engineering National Taipei University Taipei Taiwan Finland Johann Radon Institute for Computational and Applied Mathematics Linz Austria School of Science and Engineering Nanjing Tech. University Nanjing China Karlsruhe Germany Department of Materials Science and Engineering University of Tennessee KnoxvilleTN37996 United States Physical Science Division Pacific Northwest National Laboratory RichlandWA99354 United States Systems Engineering for Electrical Energy Storage University of B

Electrochemical impedance spectroscopy (EIS) is widely used in electrochemistry, energy sciences, biology, and beyond. Analyzing EIS data is crucial, but it often poses challenges because of the numerous possible equivalent circuit models, the need for accurate analytical models, the difficulties of nonlinear regression, and the necessity of managing large datasets within a unified framework. To overcome these challenges, non-parametric models, such as the distribution of relaxation times (DRT, also known as the distribution function of relaxation times, DFRT), have emerged as promising tools for EIS analysis. For example, the DRT can be used to generate equivalent circuit models, initialize regression parameters, provide a time-domain representation of EIS spectra, and identify electrochemical processes. However, mastering the DRT method poses challenges as it requires mathematical and programming proficiency, which may extend beyond experimentalists’ usual expertise. Post-inversion analysis of DRT data can be difficult, especially in accurately identifying electrochemical processes, leading to results that may not always meet expectations. This article examines non-parametric EIS analysis methods, outlining their strengths and limitations from theoretical, computational, and end-user perspectives, and provides guidelines for their future development. Moreover, insights from survey data emphasize the need to develop a large impedance database, akin to an impedance genome. In turn, software development should target one-click, fully automated DRT analysis for multidimensional EIS spectra interpretation, software validation, and reliability. Particularly, creating a collaborative ecosystem hinged on free software could promote innovation and catalyze the adoption of the DRT method throughout all fields that use impedance data. © 2024 Elsevier Inc.

关键词： Electrochemical impedance spectroscopy

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Digitally-defined ultrathin transparent wireless sensor network for room-scale imperceptible ambient intelligence

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npj Flexible Electronics 2024年第1期8卷 869-878页

作者： Yunxia Jin Mengxia Yu Dat T.Nguyen Xin Yang Zhipeng Li Ze Xiong Chenhui Li Yuxin Liu Yong Lin Kong John S.Ho Institute for Health Innovation and Technology National University of SingaporeSingapore 117599Singapore Department of Biomedical Engineering National University of SingaporeSingapore 119276Singapore Department of Electrical and Computer Engineering National University of SingaporeSingapore 117583Singapore Integrative Sciences and Engineering Programme National University of Singapore Graduate SchoolSingapore 119077Singapore The N.1 Institute for Health National University of SingaporeSingapore 117456Singapore Institute of Materials Research and Engineering Agency for Science Technology and ResearchSingapore 138634Singapore Department of Mechanical Engineering University of UtahSalt Lake CityUT 84112USA

Wireless and battery-free radio-frequency(RF)sensors can be used to create physical spaces that ambiently sense and respond to human *** such sensors ultra-flexible and transparent is important to preserve the aesthetics of living environments,accommodate daily activities,and functionally integrate with ***,existing RF sensors are unable to simultaneously achieve high transparency,flexibility,and the electrical conductivity required for remote room-scale ***,we report 4.5μm RF tag sensors achieving transparency exceeding 90%that provide capabilities in room-scale ambient wireless *** develop a laser-assisted water-based adhesion-reversion process to digitally realize computer-aided RF design at *** individually tagging multiple objects and regions of the human body,we demonstrate multiplexed wireless tracking of humanenvironment interactions and physiological signals at a range of up to *** radio-frequency identification sensors open opportunities for non-intrusive wireless sensing of daily living spaces for applications in health monitoring and elderly care.

关键词： network ambient transparent

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Optothermal Manipulation at Fluid Interfaces

Optothermal Manipulation at Fluid Interfaces

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2023 Conference on Lasers and Electro-Optics, CLEO 2023

作者： Kim, Youngsun Ponce, Carolina Chen, Zhihan Zheng, Yuebing Materials Science & Engineering Program Texas Materials Institute The University of Texas at Austin AustinTX78712 United States Walker Department of Mechanical Engineering The University of Texas at Austin AustinTX78712 United States

Optothermal manipulation of particles at fluid interfaces was studied with a film of gold nanoparticles assembled at aqueous/oil interfaces. The unique optothermal behaviors of particles and fluid interfaces under opt... 详细信息

ISBN: (纸本)9781957171258

关键词： Gold nanoparticles

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Vortex Formation of Active Particles within a Confined Geometry by Velocity Alignment

Vortex Formation of Active Particles within a Confined Geome...

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2023 Conference on Lasers and Electro-Optics, CLEO 2023

作者： Chen, Zhihan Ding, Hongru Zheng, Yuebing Materials Science & Engineering Program Texas Materials Institute The University of Texas at Austin AustinTX78712 United States Walker Department of Mechanical Engineering The University of Texas at Austin AustinTX78712 United States

We have developed an optical feedback control system with synchronous control of active particles to study collective motion in nature. Fish-like vortex is observed within a circular confined geometry based on the par... 详细信息

ISBN: (纸本)9781957171258

关键词： Adaptive control systems

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