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Determinants of Infection Prevention and Control Practices in Japanese Nursing Homes: A Scoping Review

Nursing & health sciences 2025年第2期27卷 e70125页

作者： Kanako Fujimoto Momoe Utsumi Ayako Suzuki Nahoko Harada Graduate School of Interdisciplinary Science and Engineering in Health Systems Okayama University Okayama Japan. Graduate School of Health and Nursing Sciences Kyoto Prefectural University of Medicine Kyoto Japan. Division of Health Sciences Graduate School of Medicine The University of Osaka Osaka Japan. Department of Infection Prevention and Control Hitachi General Hospital Ibaraki Japan. Faculty of Interdisciplinary Science and Engineering in Health Systems Okayama University Okayama Japan.

Understanding the determinants influencing healthcare workers' (HCWs) behaviors is essential for promoting infection prevention and control (IPC) in Japanese nursing homes (NHs). This scoping review aimed to map IPC determinants in Japanese NHs using two behavior change frameworks and to identify research gaps. We conducted a scoping review using three databases, following the Joanna Briggs Institute methodology. Reviewers independently screened reports, assessed eligibility, and extracted IPC behavior determinants. Extracted data were mapped and thematically analyzed using the Theoretical Domains Framework (TDF) and the Capability, Opportunity, and Motivation-Behavior model. Of 1778 records identified, 22 reports published between 2006 and 2021 met the inclusion criteria. We codified 70 determinants and generated 15 themes. Most reports addressed barriers related to limited IPC knowledge, skills, resources, and systems. Facilitators were mainly codified within motivation-related TDF domains, where an underexplored research gap was identified. Further research focusing on IPC motivation and a deeper understanding of NH contexts is important for developing context-appropriate IPC promotion strategies. A participatory approach involving NH residents and HCWs may be helpful in future research.

关键词： aged behavior and behavior mechanisms health personnel infection control long‐term care nursing homes residential facilities

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Dual-Band Concurrent LNA with Low Gain Deviation and Low Noise Figure

Dual-Band Concurrent LNA with Low Gain Deviation and Low Noi...

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Asia-Pacific Conference on Microwave

作者： Yuito Sawayama Takayuki Morishita Kiyotaka Komoku Nobuyuki Itoh Graduate School of Computer Science and Systems Engineering Okayama Prefectural University 111 Kuboki Japan Okayama Prefectural Univeristy 111 Kuboki Soja Japan

ISBN: (数字)9781728169620

ISBN: (纸本)9781728169637

This paper presents 1.7/3.5 GHz dual-band concurrent LNA with small gain deviation and low NF. Proposed LNA incorporates mutual induction matching circuit and notch filter matching circuit on input and output side to improve gain deviation. Also, a part of the primary inductor of the input matching circuit adopts an external inductor to improve NF. The measured S11, S22, S 21 and NF were -6.44,-15.7,10.9, and 2.67 dB at 1.7 GHz and -7.65, -6.05,10.2 and 2.02 (4.0 GHz) dB at 3.5 GHz, respectively. The power consumption is 14.0 mW from a 1.8 V supply voltage. The proposed LNA is designed and fabricated by using the TSMC-180 nm CMOS process. The concurrent LNA in this study gives the lowest NF in our knowledge.

关键词： Noise figure Power demand Impedance matching Dual band Inductors Gain Notch filters

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Nonlinear Swing down Control of the Acrobot ⁎

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IFAC-PapersOnLine 2020年第2期53卷 5813-5818页

作者： Xin Xin Maki Sakurai Shinsaku Izumi Taiga Yamasaki Jinhua She Yannian Liu Faculty of Computer Science and Systems Engineering Okayama Prefectural University 111 Kuboki Soja Okayama 719-1197 Japan School of Engineering Tokyo University of Technology Hachioji 192-0982 Japan School of Automation Southeast University 2 Sipailou Nanjing 210018 China

In this paper, we concern swing down control of the Acrobot which is a 2-link planar robot with a single actuator driving the second joint, whose control objective is to stabilize the Acrobot to the downward equilibrium point with the two links in the downward position for all initial states of the Acrobot with the exception of a set of Lebesgue measure zero. To achieve this control objective, we design a nonlinear controller by using nonnegative linear feedback of the sine function of the angle of the second joint in addition to the negative linear feedback of its angular velocity. By analyzing globally the solution of the closed-loop system consisting of the Acrobot and the presented controller and focusing on the equilibrium points of the closed-loop system and their stability, we prove that the control objective is achieved provided that some conditions on two control gains are satisfied. We design the two control gains such that the real parts of the dominant poles of the linearized model of the closed-loop system around the downward equilibrium point are minimized. We provide simulation results for two Acrobots to show the effectiveness of the presented controller.

关键词： Underactuated mechanical systems Acrobot swing down control robot control nonlinear control passivity Lyapunov stability motion analysis

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A Edge Master Computing for Pineapple Monitoring System with Drone and Data-management

A Edge Master Computing for Pineapple Monitoring System with...

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IIAI International Conference on Advanced Applied Informatics (IIAIAAI)

作者： Tomoki Kobayashi Tomoyuki Yokogawa Nao Igawa Yoichiro Satoh Kimihoro Sugino Hiroshi Miyata Satoshi Fujii Kazutami Arimoto Faculty of Computer Science and System Engineering Okayama Prefectural University Soja Okayama Japan National InstituteTechnology Okinawa College Henoko Nago Okinawa

ISBN: (纸本)9781728173986

This paper describes the pineapple monitoring system based on the edge computing which consists of the sensing drone and database. A huge sensing data transferred to the computer system will be changed from the cloud to edge, near future. The merits of this change are low power dissipation, reducing data transfer, real time operation, and security issues. To enjoy these merits, effective compaction of sensing data, energy efficient networking, and edge oriented data management architecture has been proposed. We design the pineapple monitoring system using above core technologies and evaluates the enhancement of system performance.

关键词： Databases System performance Real-time systems Energy efficiency Sensors Power dissipation Informatics

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Characteristics of Surface EMG During Gait with and Without Power Assistance 20th

Characteristics of Surface EMG During Gait with and Without ...

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20th Congress of the International Ergonomics Association, IEA 2018

作者： Saito, Seiji Muraki, Satoshi Faculty of Computer Science and Systems Engineering Okayama Prefectural University 111 Kuboki Soja-shiOkayama719-1197 Japan Faculty of Design Kyushu University 4-9-1 Shiobaru Minami-kuFukuoka815-8540 Japan

ISBN: (纸本)9783319960883

Technology that assists and extends various functions of human beings will soon be available not only to medical and welfare but also to healthy individuals. This study aimed to characterize surface electromyography (EMG) signals in response to walking assistive equipment. Ten healthy male students walked on an 8-m uphill road (5.8% incline) using an assist walker (RT.2, *** Co., Ltd) under assist and non-assist conditions. The EMG signals were recorded from four muscles (the rectus femoris [RF], biceps femoris, tibialis anterior, and lateral gastrocnemius). During loading response and terminal stance, the percent maximum voluntary isometric contraction (%MVC) peak value for RF was achieved more quickly in the assist condition than in the non-assist condition. However, during loading response and mid-swing, the %MVC peak value of RF was significantly lower in the assist condition than in the non-assist condition. These results indicate that humans alter muscle exertion patterns in specific muscles to adapt to walking assistance;such a change in the muscle exertion pattern may be adapted for smoother walking. © 2019, Springer Nature Switzerland AG.

关键词： Muscle

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Vibration ride quality of human body-wheelchair system 25

Vibration ride quality of human body-wheelchair system

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25th International Congress on Sound and Vibration 2018: Hiroshima Calling, ICSV 2018

作者： Yamamoto, Akihiro Ota, Shinichiro Okayama Prefectural University Faculty of Computer Science and Systems Engineering Okayama Japan

ISBN: (纸本)9781510868458

In the design of a human body-wheelchair system, the influence of the vibration characteristics on the ride quality should be considered to improve the ride quality. As vibrations occur during running, quality improvement focusing on such vibrations is important. In the human body-wheel chair system, since the resonance frequency differs depending on each part of the human body and the wheelchair, it is important to grasp the vibration characteristics of each part and to clarify the influence on the ride quality. The purpose of this study is to clarify the influence of vibrations of the frequency input on human vibration riding quality due to a wheelchair traveling on a road surface. In this research, frequency response experiment using a vibration generator and experiment for the evaluation of the input vibration were conducted. The influence of the input vibration on human riding quality revealed the relationship between the vibration characteristics of the human-wheelchair system and ride quality evaluation. As a result, four resonance points of the human body - wheelchair system can be confirmed, and resonance exists between 4 and 18 Hz. The primary resonance was the head and chest, the secondary resonance was the thigh and lower thigh, the tertiary resonance was the lower thigh, and the fourth resonance was the chest. Subjects feel uncomfortable due to the four resonance points during the sensory evaluation experiment. The pattern of the frequency response on the upper body and lower body is different. It is designed considering the tendency of the frequency response on the upper body and the lower body to be different. Reducing the vibration between 4 to 18 Hz, which is the range of the four frequency bands, can improve the vibration quality of the wheelchair. Copyright © (2018) by International Institute of Acoustics & Vibration. All rights reserved.

关键词： Wheelchairs

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Big data-driven target identification by machine learning: DRD2 as a therapeutic target for psoriasis

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Journal of dermatological science 2025年

作者： Takashi Sakai Ryusuke Sawada Otoha Ichinose Takeshi Terabayashi Yutaka Hatano Yoshihiro Yamanishi Toshimasa Ishizaki Department of Dermatology Faculty of Medicine Oita University Oita Japan. Electronic address: t-sakai@oita-u.ac.jp. Department of Pharmacology Okayama University Graduate School of Medicine Dentistry and Pharmaceutical Sciences Okayama Japan. Department of Bioscience and Bioinformatics Faculty of Computer Science and Systems Engineering Kyushu Institute of Technology Fukuoka Japan. Department of Pharmacology Faculty of Medicine Oita University Oita Japan. Department of Dermatology Faculty of Medicine Oita University Oita Japan. Department of Complex Systems Science Graduate School of Informatics Nagoya University Aichi Japan.

BACKGROUND:The development of medical treatments has traditionally relied on researchers leveraging scientific knowledge to hypothesize disease mechanisms and identify therapeutic agents. However, the depletion of novel therapeutic targets has become a significant challenge, resulting in stagnation within pharmaceutical research. OBJECTIVE:To address the scarcity of therapeutic targets, we developed a machine learning (ML)-based system capable of predicting therapeutic target molecules for diseases. To validate its utility, we applied this system to psoriasis, aiming to identify novel treatment strategies. METHODS:Our approach utilized a large clinical database to calculate reporting odds ratios for all drugs associated with the prevention of diseases of interest. We identified target proteins by analyzing large chemical structure databases to discover proteins commonly associated with preventive drug candidates. Experimental validation was conducted by administering a predicted therapeutic candidate in an imiquimod-induced psoriasis mouse model. RESULTS:The ML-based predictions identified drugs for Parkinson's disease as potential preventive candidates for psoriasis. Further analysis highlighted dopamine receptor D2 (DRD2) as a therapeutic target. Administration of a DRD2 agonist alleviated psoriasis symptoms in mice, evidenced by the downregulation of mRNA expression in the IL-17 pathway and reduced serum tumor necrosis factor-α levels. CONCLUSION:This study demonstrates the utility of a novel ML-based system for identifying therapeutic targets, as shown by its successful application in uncovering the role of DRD2 in psoriasis. Beyond psoriasis, this system offers significant potential for exploring pathological mechanisms and discovering therapeutic targets across various diseases.

关键词： artificial intelligence big data dopamine receptor D2 machine learning psoriasis

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Study of the transmittance properties for the stacked metallic sub-wavelength slit arrays

Study of the transmittance properties for the stacked metall...

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International Conference on Infrared and Millimeter Waves

作者： M. Nakajima H. Kitahara S. Watanabe K. Sakaguchi K. Akiyama Y. Tokuda Institute of Laser Engineering Osaka University Suita Osaka Japan Faculty of Computer Science and System Engineering Okayama Prefectural University Soja Okayama Japan Advanced Technology R&D Center Mitsubishi Electric Corporation Amagasaki Hyogo Japan

ISBN: (数字)9781728166209

ISBN: (纸本)9781728166216

The transmittance properties for the stacked metallic sub-wavelength slit arrays were experimentally and numerically investigated. The calculated spectra based on the FDTD method well reproduced the experimental spectra. The details of the airgap space dependence were measured, and the characteristic behavior of multiple optical modes are observed.

关键词： Optical variables measurement Finite difference methods

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Linear Controllability and Observability of n-Link Underactuated Planar Revolute Robot Moving in Constantly Rotating Frame in Horizontal Plane

Linear Controllability and Observability of n-Link Underactu...

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IEEE Annual Conference on Decision and Control

作者： Xin Xin Shinsaku Izumi Taiga Yamasaki Wei Lin Faculty of Computer Science and Systems Engineering Okayama Prefectural University Soja Okayama Japan Dept. of Electrical Engineering and Computer Science Case Western Reserve University

ISBN: (数字)9781728113982

ISBN: (纸本)9781728113999

For an n-link underactuated planar revolute robot connected to a fixed base in a horizontal plane, in this paper, we study an open problem: Under what actuator configuration is the robot moving in constantly rotating frame with all its links stretching straight out linearly controllable and observable? Different from the existing result for the robot with one unactuated joint, we prove that such linear controllability and observability are guaranteed for all its possible physical parameters, if and only if its first joint is active (actuated). Furthermore, when its first joint is passive (unactuated), we show that for any of its physical parameters, the robot is linearly uncontrollable and unobservable regardless of whether any of its rest joint(s) is active or not. We validate the above results via a physical 3-link underactuated planar revolute robot and a 4-link planar model of a gymnast on the high bar in existing references. This paper presents new insight of the linear controllability and observability for an n-link underactuated planar revolute robot moving in constantly rotating frame in a horizontal plane.

关键词： Robots Controllability Transmission line matrix methods Observability Actuators Mathematical model Symmetric matrices

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A Compact Low Power AI Module Mounted on Drone for Plant Monitor System

A Compact Low Power AI Module Mounted on Drone for Plant Mon...

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IIAI International Conference on Advanced Applied Informatics (IIAIAAI)

作者： Tomoki Kobayashi Tomoyuki Yokogawa Nao Igawa Yoichiro Sato Satoshi Fujii Kazutami Arimoto Graduate School of Computer Science and Systems Engineering Okayama Prefectural University Soja Okayama Japan Faculty of Computer Science and System Engineering Okayama Prefectural University Soja Okayama Japan Information and Communication Systems Engineering National Institute of Technology Okinawa College Nago Okinawa Japan

This paper describes the compact and low power AI DNN discriminator which is mounted on the small drone like a hobby type. By adopting this AI module, the effective plant monitoring system using the drone has been ach...

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