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  1. Article: Effects of Electrolyte on Laser-Induced Periodic Surface Structures with Picosecond Laser Pulses.

    Kodama, Shuhei / Natsu, Wataru

    Nanomaterials (Basel, Switzerland)

    2021  Volume 11, Issue 2

    Abstract: Short-pulsed laser-induced periodic surface structures (SPLIPSSs) have the possibility to control tribology, wettability and biocompatibility. Nevertheless, the optimal structure depends on each functionality, which has not been clarified. The hybrid ... ...

    Abstract Short-pulsed laser-induced periodic surface structures (SPLIPSSs) have the possibility to control tribology, wettability and biocompatibility. Nevertheless, the optimal structure depends on each functionality, which has not been clarified. The hybrid process with a short-pulsed laser and electrochemical machining (SPLECM) is, then, proposed to fabricate micro/nano hybrid structures and to modify the surface composition for providing high functionalities with material surfaces. Electrochemical machining is a well-established micro-elution and deposition method with noncontact between a workpiece and a tool. In this study, the effects of electrolytes on SPLIPSSs were investigated experimentally by the picosecond laser irradiation on 304 stainless steel substrates in various electrolytes. The geometry of SPLIPSSs depended on the types and the concentration of electrolytes. In the case of copper nitrate solution and copper sulfate solution, LIPSSs and spheroidization of copper were obtained. This study demonstrated the possibility of SPLECM to fabricate micro/nano structures and to control surface composition.
    Language English
    Publishing date 2021-01-27
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662255-5
    ISSN 2079-4991
    ISSN 2079-4991
    DOI 10.3390/nano11020327
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Investigation of the possibility of using an augmented reality-based endotracheal aspiration simulation tool for nursing education.

    Arakida, Mikako / Takahashi, Tokiichiro / Matsuda, Yuko / Yamabe, Yuta / Miyamoto, Chizuko / Aoki, Emiko / Takahashi, Sawako / Ando, Mizuho / Moriya, Tomoaki / Kodama, Shuhei / Yamashita, Ruriko / Igarashi, Takahiro / Tanizaki, Keito / Uchida, Kenta

    Japan journal of nursing science : JJNS

    2023  Volume 21, Issue 2, Page(s) e12573

    Abstract: Aim: We developed an augmented reality technology-based endotracheal aspiration simulation tool (the AR tool) consisting of three modes: a mode for nursing students to learn endotracheal aspiration by themselves (learning mode); a mode for repeated ... ...

    Abstract Aim: We developed an augmented reality technology-based endotracheal aspiration simulation tool (the AR tool) consisting of three modes: a mode for nursing students to learn endotracheal aspiration by themselves (learning mode); a mode for repeated practice (practice mode); and a mode for confirmation testing (test mode). This study aimed to compare the learning outcomes of the AR tool with traditional training mannequins and identify potential uses and improvements of the AR tool.
    Methods: We invited students, and faculty members from the three universities who agreed to cooperate in conducting this study. Fifty-four students and nine faculty members agreed to participate in this study. The students were divided into two groups. One group was to study with the AR tool and the other group was to study with the traditional half-body training mannequin for suction. The students in both groups were asked to demonstrate endotracheal aspiration on another full-body type training mannequin which could be used as a patient with a tracheostomy (Skill test). Group interviews with faculty members focused on the topic of the AR tool's potential use in nursing education and improvement needed.
    Results: There was little significant difference in the skill test results of endotracheal aspiration of students in both groups. The students and faculty members both expressed an interest in the AR tool. They said it was suitable for self-study of endotracheal aspiration.
    Conclusions: This AR tool is an effective teaching tool for learning the sequence of endotracheal suctioning, although there are some areas that need improvement.
    MeSH term(s) Humans ; Augmented Reality ; Education, Nursing ; Manikins ; Learning ; Students ; Students, Nursing
    Language English
    Publishing date 2023-12-12
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2156618-5
    ISSN 1742-7924 ; 1742-7932
    ISSN (online) 1742-7924
    ISSN 1742-7932
    DOI 10.1111/jjns.12573
    Database MEDical Literature Analysis and Retrieval System OnLINE

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