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Rational design of natural leather-based water evaporator for electricity generation and functional applications

Journal of Energy Chemistry 2024年第9期96卷 129-144页

作者： Bingyuan Zhang Xiaoyu Guan Qingxin Han Haoxiang Guo Sai Zheng Xuhui Sun Afnan H.El-Gowily Mohammed A.Abosheasha Yanxia Zhu Motoki Ueda Meng An Haojun Fan Yoshihiro ito College of Bioresources Chemical and Materials Engineering Key Laboratory of Auxiliary Chemistry and Technology for Chemical IndustryMinistry of EducationShaanxi Collaborative Innovation Center of Industrial Auxiliary Chemistry and TechnologyShaanxi University of Science&TechnologyXi'an 710021ShaanxiChina Nano Medical Engineering Laboratory RIKEN Cluster for Pioneering Research2-1 HirosawaWako 351-0198SaitamaJapan Key Laboratory of Leather Chemistry and Engineering(Sichuan University) Ministry of EducationChengdu 610065SichuanChina College of Mechanical and Electrical Engineering Shaanxi University of Science&TechnologyXi'an 710021ShaanxiChina Biochemistry Division Chemistry DepartmentFaculty of ScienceTanta UniversityTanta 31527Egypt

In recent years,water evaporation-induced electricity has attracted a great deal of attention as an emerging green and renewable energy harvesting *** abundant materials have been developed to fabricate hydrovoltaic devices,the limitations of high costs,inconvenient storage and transport,low environmental benefits,and unadaptable shape have restricted their wide ***,an electricity generator driven by water evaporation has been engineered based on natural biomass leather with inherent properties of good moisture permeability,excellent wettability,physicochemical stability,flexibility,and *** numerous nano/microchannels together with rich oxygen-bearing functional groups,the natural leather-based water evaporator,Leather_(Emblic-NPs-SA/CB),could continuously produce electricity even staying outside,achieving a maximum output voltage of∼3 V with six-series ***,the leather-based water evaporator has enormous potential for use as a flexible self-powered electronic floor and seawater demineralizer due to its sensitive pressure sensing ability as well as its excellent photothermal conversion efficiency(96.3%)and thus fast water evaporation rate(2.65 kg m^(−2)h^(−1)).This work offers a new and functional material for the construction of hydrovoltaic devices to harvest the sustained green energy from water evaporation in arbitrary ambient environments,which shows great promise in their widespread applications.

关键词： Energy conversion Water evaporation-induced electricity Functional leather Flexible self-powered sensor Desalination

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历史与现代的无缝融合波尔图卡拉之家

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室内设计与装修 2024年第4期 68-73页

作者： [葡萄牙]Ren ito Arq01 悠扬(编译) Ren ito Arq

该项目原建筑位于葡萄牙波尔图市中心,是一栋历史悠久的独立住宅,出自葡萄牙著名建筑师贾努阿里奥·戈丁尼奥(Januário Godinho)之手,设计融合了现代主义和传统葡萄牙建筑风格,注重细节和实用性。贾努阿里奥·戈丁尼奥的作品在整个葡... 详细信息

该项目原建筑位于葡萄牙波尔图市中心,是一栋历史悠久的独立住宅,出自葡萄牙著名建筑师贾努阿里奥·戈丁尼奥(Januário Godinho)之手,设计融合了现代主义和传统葡萄牙建筑风格,注重细节和实用性。贾努阿里奥·戈丁尼奥的作品在整个葡萄牙以至国际上都备受推崇和欢迎。遗憾的是,由于这栋建筑近10年来一直无人问津,长时间的闲置导致屋顶和地板损坏严重,整个结构已然不宜作为居住之所。

关键词：建筑风格独立住宅著名建筑师注重细节无缝融合实用性葡萄牙设计融合

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Current perspectives of viral

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World Journal of Gastroenterology 2024年第18期30卷 2402-2417页

作者： Daisuke Usuda Yuki Kaneoka Rikuo Ono Masashi Kato Yuto Sugawara Runa Shimizu Tomotari Inami Eri Nakajima Shiho Tsuge Riki Sakurai Kenji Kawai Shun Matsubara Risa Tanaka Makoto Suzuki Shintaro Shimozawa Yuta Hotchi Ippei Osugi Risa Katou Sakurako ito Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Tomohisa Nomura Manabu Sugita Department of Emergency and Critical Care Medicine Juntendo University Nerima HospitalNerima 177-8521TokyoJapan Department of Sports Medicine Faculty of MedicineJuntendo UniversityBunkyo 113-8421TokyoJapan

Viral hepatitis represents a major danger to public health,and is a globally leading cause of *** five liver-specific viruses:Hepatitis A virus,hepatitis B virus,hepatitis C virus,hepatitis D virus,and hepatitis E virus,each have their own unique epidemiology,structural biology,transmission,endemic patterns,risk of liver complications,and response to antiviral *** remain few options for treatment,in spite of the increasing prevalence of viral-hepatitiscaused liver ***,chronic viral hepatitis is a leading worldwide cause of both liver-related morbidity and mortality,even though effective treatments are available that could reduce or prevent most patients’*** 2016,the World Health Organization released its plan to eliminate viral hepatitis as a public health threat by the year 2030,along with a discussion of current gaps and prospects for both regional and global eradication of viral ***,treatment is sufficiently able to prevent the disease from reaching advanced ***,future therapies must be extremely safe,and should ideally limit the period of treatment necessary.A better understanding of pathogenesis will prove beneficial in the development of potential treatment strategies targeting infections by viral *** review aims to summarize the current state of knowledge on each type of viral hepatitis,together with major innovations.

关键词： Hepatitis A virus Hepatitis B virus Hepatitis C virus Hepatitis D virus Hepatitis E virus Current perspectives

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Compelling Challenges in Antenna Technologies for Future Medical Applications

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Engineering 2022年第4期8卷 15-17页

作者： Koichi ito Center for Frontier Medical Engineering Chiba UniversityChiba 263-8522Japan

*** Numerous types of antennas have been developed,tested,and utilized for medical applications such as diagnosis,treatment,data transmission,and wireless power transfer(WPT).Recently,compact and robust antennas are needed to realize implantable and wearable wireless devices for medical applications such as delivering drugs from implanted capsules,stimulating nerve systems,and monitoring physiological data[1].Because antennas for medical applications are used close to or in a human body,their effects on the human body should be included in their development and evaluation[2].However,it is rather difficult due to ethical and practical reasons to employ a real human body when experimentally evaluating the characteristics of antennas or wireless devices for medical ***,numerical simulations are generally conducted as an alternative,using elaborate digital human models[3].Many different types of software are now commercially available for this purpose,along with digital human-body models.

关键词： antennas utilized diagnosis

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High-speed rendering pipeline for polygon-based holograms

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Photonics Research 2023年第2期11卷 313-328页

作者： FAN WANG TOMOYOSHI ito TOMOYOSHI SHIMOBABA Graduate School of Engineering Chiba UniversityChiba 263-8522Japan

As an important three-dimensional(3D) display technology, computer-generated holograms(CGHs) have been facing challenges of computational efficiency and realism. The polygon-based method, as the mainstream CGH algorithm, has been widely studied and improved over the past 20 years. However, few comprehensive and high-speed methods have been proposed. In this study, we propose an analytical spectrum method based on the principle of spectral energy concentration, which can achieve a speedup of nearly 30 times and generate highresolution(8K) holograms with low memory requirements. Based on the Phong illumination model and the subtriangles method, we propose a shading rendering algorithm to achieve a very smooth and realistic reconstruction with only a small increase in computational effort. Benefiting from the idea of triangular subdivision and octree structures, the proposed original occlusion culling scheme can closely crop the overlapping areas with almost no additional overhead, thus rendering a 3D parallax sense. With this, we built a comprehensive high-speed rendering pipeline of polygon-based holograms capable of computing any complex 3D object. Numerical and optical reconstructions confirmed the generalizability of the pipeline.

关键词： rendering polygon computer

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Impact of indoor ventilation efficiency on acetone inhalation exposure concentration and tissue dose in respiratory tract

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Building Simulation 2023年第3期16卷 427-441页

作者： Cong Li Sung-Jun Yoo Kazuhide ito College of Ocean and Civil Engineering Dalian Ocean UniversityDalian 116023China Faculty of Engineering Sciences Kyushu UniversityFukuoka816-8580Japan

A significant feature of the indoor environment is the heterogeneity of airflow and pollutant distributions,which are primarily dependent on ventilation *** the case of short-and high-concentration exposures to hazardous chemical pollutants,it may be necessary to precisely determine the concentration in the breathing zone or,more directly,the inhalation exposure concentration in the respiratory tract,rather than the representative room average concentration in an indoor environment,because of the non-uniformity of pollutant concentration *** this study,we developed a computer-simulated person with a detailed respiratory system to predict inhalation exposure concentration and inhalation dose via transient breathing and reported a demonstrative numerical simulation for analyzing acetone concentration distributions in a simplified model *** numerical analysis revealed that the ventilation efficiency distribution in a room could change significantly by changing the design of the ventilation system,and that the inhalation exposure concentration estimated by a computer-simulated person could differ from the representative concentration,such as perfect-mixing or volume-averaged acetone concentration,by a factor of two or more.

关键词： computational fluid dynamics computer simulated person inhalation exposure numerical respiratory tract physiologically based pharmacokinetics tissue dose

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Limb Stiffness Improvement of the Robot WAREC-1R for a Faster and Stable New Ladder Climbing Gait

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Journal of Bionic Engineering 2023年第1期20卷 57-68页

作者： Xiao Sun Akira ito Takashi Matsuzawa Atsuo Takanishi Department of Mechatronics University of YamanashiYamanashi400-8511Japan Faculty of Science and Engineering Waseda UniversityTokyo162-8480Japan

Ladder climbing is a relatively new but practical locomotion style for robots. Unfortunately, due to their size and weight, ladder climbing by human-sized robots developed so far is struggling with the speedup of ladder climbing motion itself. Therefore, in this paper, a new ladder climbing gait for the robot WAREC-1R is proposed by the authors, which is both faster than the former ones and stable. However, to realize such a gait, a point that has to be taken into consideration is the deformation caused by the self-weight of the robot. To deal with this issue, extra hardware (sensor) and software (position and force control) systems and extra time for sensing and calculation were required. For a complete solution without any complicated systems and time only for deformation compensation, limb stiffness improvement plan by the minimal design change of mechanical parts of the robot is also proposed by the authors, with a thorough study about deformation distribution in the robot. With redesigned parts, ladder climbing experiments by WAREC-1R proved that both the new ladder climbing gait and the limb stiffness improvement are successful, and the reduced deformation is very close to the estimated value as well.

关键词： Ladder climbing Legged robot Bionic robot Gait.Stiffness improvement Finite element analysis

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Label-free trace detection of bio-molecules by liquid-interface assisted surface-enhanced Raman scattering using a microfluidic chip

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Opto-Electronic Advances 2022年第10期5卷 12-21页

作者： Shi Bai Xueli Ren Kotaro Obata Yoshihiro ito Koji Sugioka Advanced Laser Processing Research Team RIKEN Center for Advanced Photonics2-1 HirosawaWakoSaitama 351-0198Japan Nano Medical Engineering Laboratory RIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitama 351-0198Japan

Surface-enhanced Raman scattering(SERS),owing to its high sensitivity based on localized surface plasmon resonance of nanostructured metals,is recently attracting much attention to be used for biotechnology,such as cell imaging and tumor *** the other hand,the trace detection of bio-molecules with large molecular weight is still challenging because the troublesome treatment of SERS substrate using coupling or cross-linking agents is *** this paper,we apply liquid interface assisted SERS(LI-SERS)method,which provides unique features of collection and self-immobilization of analyte molecules on the SERS substrate,to realize the label-free trace detection of bio-molecules with detection limits of pM~***,deoxyribonucleic acid(DNA)discrimination and quantitative detection ofβ-Amyloid(Aβ)in trace-concentration are demonstrated to illustrate the ultrahigh sensitivity and versatility of the LI-SERS *** results suggest LI-SERS is promising for the early-stage diagnosis of diseases such as virus infection and Alzheimer's disease.

关键词： femtosecond laser processing LI-SERS microfluidic chip DNA β-Amyloid

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Broadly tunable lens-coupled nonlinear quantum cascade lasers in the sub-THz to THz frequency range

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Photonics Research 2022年第3期10卷 703-710页

作者： Kazuue Fujita Shohei Hayashi Akio ito Tatsuo Dougakiuchi Masahiro Hitaka Atsushi Nakanishi Central Research Laboratory Hamamatsu Photonics K.K.5000 HirakuchiHamakita WardHamamatsu 434-8601Japan

Room-temperature terahertz(THz)quantum cascade laser sources with intracavity difference-frequency nonlinear mixing are electrically pumped monolithic semiconductor laser sources operating in the 0.6–6 THz spectral *** report widely tunable,low-frequency THz quantum cascade laser sources using a lens-coupled Cherenkov waveguide *** on a watt-class high-power,λ∼13.7μm quantum cascade laser,the monolithic THz source is strongly coupled with a high-resistivity silicon lens,which causes a major increase in the THz coupling efficiency and demonstrates significant performance improvements.A room-temperature 1.5 THz device produces a 0.2 mW peak output power with a high-quality beam *** THz outcoupling efficiency using the lens-coupled scheme enabled the demonstration of a high-performance external-cavity semiconductor THz source that is tunable from 420 GHz to 2 *** external-cavity,lens-coupled device configuration can technically be assembled into a butterfly-style package for a thumb-sized,widely frequency tunable THz semiconductor source.

关键词： tunable waveguide pumped

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Added value of indocyanine green fluorescence imaging in liver surgery

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Hepatobiliary & Pancreatic Diseases International 2022年第4期21卷 310-317页

作者： Nobuyuki Takemura Kyoji ito Fuyuki Inagaki Fuminori Mihara Norihiro Kokudo Department of Surgery Hepato-Biliary Pancreatic Surgery DivisionNational Center for Global Health and Medicine1-21-1 ToyamaShinjyuku-kuTokyo162-8655Japan

Recently,indocyanine green(ICG)fluorescence imaging has been widely used as a substitute for cholangiography in hepatobiliary surgery,to detect hepatic tumors,for accurate anatomical hepatectomy,and to increase the safety and accuracy of minimally invasive(laparoscopic and robotic)*** clinical relevance of this method has been increasing gradually,as new procedures develop in this *** important roles and the latest added value of ICG fluorescence imaging in liver surgery are discussed in this report.

关键词： Florescence imaging Indocyanine green Hepatocellular carcinoma Colorectal metastasis Hepatectomy Minimally invasive surgery

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