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Identifying teaching competencies for medical residents using a modified Delphi method
Hashimoto Tadayuki,Kikukawa Makoto 한국의학교육학회 2024 Korean journal of medical education Vol.36 No.1
Purpose: This study aimed to identify the teaching competencies of medical residents.Methods: A modified Delphi study was conducted from January to March 2017. Twenty-four panelists (six medical educators, program directors, chief residents, and residents each) from various facilities in Japan participated in the study. The consensus criterion for this study was that more than 80% of the panelists gave a rating of 6 or higher on the 7-point Likert scale (“not at all important” to “extremely important”) without any comments. The modified Delphi approach resulted in a list of 27 resident teaching competencies after three rounds. These competencies were categorized based on Harden and Crosby’s 12 roles of medical teachers.Results: Our study revealed that, of the 12 roles, residents were primarily viewed as “clinical or practical teachers,” “teaching role models,” “on-the-job role models,” “learning facilitators,” and “student assessors.”Conclusion: The 27 resident teaching competencies indicate the importance of educational proximity for residents as teachers. It is expected that this finding will contribute to competency-based resident-as-teacher education.
The Japan Health Physics Society Guideline on Dose Monitoring for the Lens of the Eye
Yokoyama Sumi,Tsujimura Norio,Hashimoto Makoto,Yoshitomi Hiroshi,Kato Masahiro,Kurosawa Tadahiro,Tatsuzaki Hideo,Sekiguchi Hiroshi,Koguchi Yasuhiro,Ono Koji,Akiyoshi Masahumi,Kunugita Naoki,Natsuhori 대한방사선방어학회 2022 방사선방어학회지 Vol.47 No.1
Background: In Japan, new regulations that revise the dose limit for the lens of the eye (hereafter the lens), operational quantities, and measurement positions for the lens dose were enforced in April 2021. Based on the international safety standards, national guidelines, the results of the Radiation Safety Research Promotion Fund of the Nuclear Regulation Authority, and other studies, the Working Group of Radiation Protection Standardization Committee, the Japan Health Physics Society (JHPS) developed a guideline for radiation dose monitoring for the lens.Materials and Methods: The Working Group of the JHPS discussed the criteria of non-uniform exposure and the management criteria set not to exceed the dose limit for the lens.Results and Discussion: In July 2020, the JHPS guideline was published. The guideline consists of three parts: main text, explanations, and 26 examples. In the questions, the corresponding answers were prepared, and specific examples were provided to enable similar cases to be addressed.Conclusion: With the development of the guideline on radiation dose monitoring of the lens, radiation managers and workers will be able to smoothly comply with revised regulations and optimize radiation protection.
TADASHI HASEGAWA,TAKESHI AKASAKA,YUTAKA MAEDA,MASAHIRO HASHIMOTO,MAKOTO KANDA,TAKAHIRO TSUCHIYA,TAKATSUGU WAKAHARA,YUHEI MIYAUCHI,SHIGEO MARUYAMA,JING LU,SHIGERU NAGASE 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2007 NANO Vol.2 No.4
Single-walled carbon nanotubes (SWNTs) synthesized by catalytic decomposition of an alcohol were purified by extraction. The purified SWNTs were characterized on the basis of visible-near infrared (vis-NIR) absorption, photoluminescence and Raman spectroscopic analyses, scanning electron microscopy (SEM) observation, and thermal analysis. Selective extraction of metallic nanotubes was also achieved by the extraction condition.
Immunoelectron Microscopic Study on the Endocrine Pancreas of the Native Korean Goat
이재현,교본선춘,견태관,삼촌성,이형식,Lee, Jae-Hyun,Hashimoto, Yoshiharu,Kon, Yasuhiro,Sugimura, Makoto,Lee, Hyeung-Sik Korean Society of Electron Microscopy 1996 Applied microscopy Vol.26 No.1
한국재래산양의 췌장내분비세포에 대해 몇종의 항혈청을 이용하여 면역전자현미경적으로 관찰하여 다음과 같은 결론을 얻었다. 췌도에서는 glucagon (A), insulin (B), somatostatin (D) 및 pancreatic polypeptides (PP-I과 PP-II) 등 5종의 세포를 동정하였다. 이 중 A, B 및 D세포의 정태학적 특징은 다른포유동물의 그것과 유사하였고 D세포는 serotonin 면역성이 인정되었다. PP세포는 과립의 형태학적 특징으로 보아 두가지 형태가 인정되었으며, 제I형은 원형인 동질성의 과립 ($220{\sim}440nm$)을 가지며, 과립내용물과 한계막 사이에는 얇은 halo를 보였으나 제II형은 과립이 다형태성을 보이며 ($240{\sim}440nm$ major axis, $150{\sim}200nm$ minor axis) 과립내용물과 한계막 사이는 거의 밀착되어 있었다. 이상의 결과로 한국재래산양의 췌도에는 A, B, D, PP-I 및 PP-II 등 5형의 세포로 구성되어 있으며, 이 중 PP-I세포는 다른 포유류의 PP세포에, PP-II세포는 enterochromaffin cell에 상당할 것으로 생각되었다. Pancreases obtained from native Korean goats were used, and examined by immunoelectron microscopy using several antisera. Five types cells, glucagon (A), insulin (B), somatostatin (D), and pancreatic polypeptide (PP-I and PP-II) cells, were identified in the pancreatic islets. The morphologies of A, B, and D cells corresponded to the typical charateristics described in previous reports on other mammals. Serotonin immunoreactivity was observed in the D cells on the basis of the granular profiles. Two types of PP cells could be distinguished on the basis of the granular profile: the first type was formed by round, homogeneous secretory granules ($220{\sim}400nm$) having a narrow halo between the dense core and limiting membrane, while the other type consisted of cells whose secretory granules ($240{\sim}440\;nm$ in the major axis, $150{\sim}200nm$ in the minor axis) were pleomorphic, having a dense core and a closely fitting limiting membrane. From these results, we suggest that the pancreatic islets of the native Korean goat consist of five types of endocrine cells, A, B, D, PP-I and PP-II cells. Among these, PP-I type cells may correspond to the classical PP of other mammalian pancreases, while PP-II type cells may correspond to the enterochromaffin cells in other species.
Quantum spin Hall state in monolayer 1T'-WTe<sub>2</sub>
Tang, Shujie,Zhang, Chaofan,Wong, Dillon,Pedramrazi, Zahra,Tsai, Hsin-Zon,Jia, Chunjing,Moritz, Brian,Claassen, Martin,Ryu, Hyejin,Kahn, Salman,Jiang, Juan,Yan, Hao,Hashimoto, Makoto,Lu, Donghui,Moore NATURE PUBLISHING GROUP 2017 NATURE PHYSICS Vol.13 No.7
<P>A quantum spin Hall (QSH) insulator is a novel two-dimensional quantum state of matter that features quantized Hall conductance in the absence of a magnetic field, resulting from topologically protected dissipationless edge states that bridge the energy gap opened by band inversion and strong spin-orbit coupling(1,2). By investigating the electronic structure of epitaxially grown monolayer 1T'-WTe2 using angle-resolved photoemission (ARPES) and first-principles calculations, we observe clear signatures of topological band inversion and bandgap opening, which are the hallmarks of a QSH state. Scanning tunnelling microscopy measurements further confirm the correct crystal structure and the existence of a bulk bandgap, and provide evidence for a modified electronic structure near the edge that is consistent with the expectations for a QSH insulator. Our results establish monolayer 1T'-WTe2 as a new class of QSH insulator with large bandgap in a robust two-dimensional materials family of transition metal dichalcogenides (TMDCs).</P>