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Radio Frequency Based Emergency Exit Node Technology
최영우,김동규,강도욱,최완식 사단법인 항법시스템학회 2013 Journal of Positioning, Navigation, and Timing Vol.2 No.1
This paper introduces an indoor sensor fusion wireless communication device which provides the Location Based Service (LBS) using fire prevention facility. The proposed system can provide information in real time by optimizing the hardware of Wi-Fi technology. The proposed system can be applied to a fire prevention facility (i.e., emergency exit) and provide information such as escape way, emergency exit location, and accident alarm to smart phone users, dedicated terminal holders, or other related organizations including guardians, which makes them respond instantly with lifesaving, emergency mobilization, etc. Also, the proposed system can be used as a composite fire detection sensor node with additional fire and motion detect sensors.
최영우,Park Hae-Sim,김윤근 대한천식알레르기학회 2023 Allergy, Asthma & Immunology Research Vol.15 No.3
Extracellular vesicles (EVs) are an end product released from almost all living cells such as eukaryotic cells and bacteria. These membrane vesicles containing proteins, lipids, and nucleic acids are mainly involved in intracellular communications through the transfer of their components from donor to acceptor cells. Moreover, EVs have been implicated in many functions in response to environmental changes, contributing to health and disease; bacterial EVs depending on their specific parental bacterium have diverse effects on immune responses to play a beneficial or pathogenic role in patients with various allergic and immunologic diseases. As bacterial EVs are a completely new area of investigation in this field, we highlight our current understanding of bacterial EVs and discuss their diagnostic and therapeutic potentials (as immunomodulators) for targeting asthma and atopic dermatitis.
최영우,김화수 국제다문화의사소통학회 2021 국제다문화의사소통학회 학술대회 Vol.2021 No.6
본 연구는 장애 아동의 어휘적 모호성 이해 능력을 측정하는 연구의 동향을 분석하여 연구의 중요성에 대해 강조하고, 효과적인 어휘적 모호성 이해 중재 프로그램 개발의 기초 자료를 제공하기 위해 진행되었 으며, 2010년부터 2021년 상반기까지 발간된 총 6편의 국내 학위논문 및 학술지들을 대상으로 분석하였 다. 수집된 논문은 일반적인 특성(연도별 출판 수, 연구 대상 연령, 연구 대상 장애 유형)과 연구 환경 및 평가 내용(평가 장소, 문제 유형, 자료처리 분석)을 세부적 분석 기준에 따라 빈도 분석하여 서술하였다. 논문 분석 결과, 2010년 이후로 장애 아동의 어휘적 모호성 이해 능력에 관한 연구는 매년 한편 이상 꾸 준히 진행되었으나, 2017년, 2019년, 2020년에는 연구가 진행되지 않았고, 연구 대상은 주로 초등 저학년 기의 대상자에 집중되어 있었으며, 장애 유형은 읽기이해부진 아동에 관한 연구가 4편으로 가장 높은 비 율을 차지하였다. 연구 환경 및 평가 내용에 대하여 평가 장소는 주로 소음에 방해받지 않는 조용한 공간 에서 진행되었으며, 문제 유형은 주로 단답형 문제로 평가 문항으로 구성되었고, 측정 방법은 주로 평가 점수를 활용하여 처리한 것으로 나타났다. 이와 같은 결과를 바탕으로 이후에 진행될 추후 연구 방향을 논의하였다.
최영우,김태경,강민철,이재훈,차지윤,장혜원,최윤상 한국식품조리과학회 2022 한국식품조리과학회지 Vol.38 No.4
Purpose: This study sought to contribute to the vitalization of the food industry through a food scientific analysis of edible insects as an alternative protein source. The demand for protein is expected to increase due to population growth. Currently, protein supply relies on traditional livestock farming. However, it will be difficult to meet the growing demand for protein from these traditional production resources, thus creating the need for alternative protein sources. Methods: A food scientific analysis was conducted for the evaluation of edible insects as food material. Results: There are a total of 10 types of edible insects registered as raw food materials by the Ministry of Food and Drug Safety, Korea including Oxya japonica Thunberg, Bombyx mori, Tenebrio molitor, Gryllus bimaculatus, Protaetia brevitarsis, Allomyrina dichotoma, Zophobas morio, Apis mellifera, and Locusta migratoria. These were recognized as food ingredients based on the following factors: traditional consumption, safety inspection, raw material characteristics, and manufacturing methods. A pre-treatment process is utilized to improve the processing aptitude of edible insects, involving methods such as blanching, drying, degreasing, extraction, and powderization. Edible insects have traditionally been prepared using cooking methods such as frying, stewing, roasting, and saute, and in modern times, they are consumed in various forms, such as snacks, pastes, or sauces. Many start-up companies around the world have been seeking to improve the utilization and functionality of edible insects and are attracting investments. Conclusion: The results of this study showed that the food science research suitable for evaluating the characteristics of edible insects must go beyond the application of these insects as simple food additives. It is anticipated that the active use of edible insects as food will be possible in the future.
On a compact and minimal real hypersurface in a quaternionic projective space
최영우,정임순 대한수학회 2005 대한수학회보 Vol.42 No.2
For a compact and orientable minimal real hypersurface M inQP^n, we prove that if the minimum of the sectional curvaturesof M is 3/(4n-1), then M is isometric to the geodesicminimal hypersphere M^Q_{0,n-1}.