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Microwave-assisted Weak Acid Hydrolysis of Proteins
( Miyeong Seo ),( Jinhee Kim ),( Sehwan Park ),( Ji-hye Lee ),( Taehee Kim ),( Jihyeon Lee ),( Jeongkwon Kim ) 한국질량분석학회 2012 Mass spectrometry letters Vol.3 No.2
Myoglobin was hydrolyzed by microwave-assisted weak acid hydrolysis with 2% formic acid at 37 oC, 50 oC, and 100 oC for 1 h. The most effective hydrolysis was observed at 100 oC. Hydrolysis products were investigated using matrixassisted laser desorption/ionization time-of-flight mass spectrometry. Most cleavages predominantly occurred at the C-termini of aspartyl residues. For comparison, weak acid hydrolysis was also performed in boiling water for 20, 40, 60, and 120 min. A 60- min weak acid hydrolysis in boiling water yielded similar results as a 60-min microwave-assisted weak acid hydrolysis at 100 oC. These results strongly suggest that microwave irradiation has no notable enhancement effect on acid hydrolysis of proteins and that temperature is the major factor that determines the effectiveness of weak acid hydrolysis.
A Sociolinguistic Study on Korean Names of Immigrants in Korean Society
Miyeong Kang,Sujeong Kim,Mijeong Kang 한국중원언어학회 2022 언어학연구 Vol.- No.65
The purpose of this study is to find out factors that immigrants settling in Korean society decide their names and the social value of their names. In order to accomplish this, an online survey was conducted from August 1 to 5, 2022 to collect a total of 80 valid questionnaires, and a phone interview was conducted to complement its shortcomings. Results of the study are summarized as follows. First, as a result of examining the immigrants’ names by word types, they were found in the order of Chinese character words, loanwords, and mixed words. Second, the meanings immigrants wanted to include in their names was in the order of appearances, attitudes of life, ability and success, and luck and grace. Third, those who named the immigrants appeared in the order of parents, spouses, myself, or parents-in-law, acquaintances, relatives and grandparents. This study can be said to be of great significance in that it is possible to grasp one aspect of the language culture that immigrants are building in their lives by examining sociolinguistic characteristics of their names in Korean society.
Miyeong Jeon 이화여자대학교 통일학연구원 2016 Journal of peace and unification Vol.6 No.1
This paper examines the change in recognition of reality by North Korean intellectuals by analyzing North Korean journals in the recent 12 years. The paper looks into the features of the cognition change and the dual identity of the North Korean intellectuals as the force protecting the regime and promoting reform at the same time. Research has noticed the changes in the awareness of reality by the North Korean intellectuals, a reality different from the past. However, pronounced asymmetry appears in the new reality recognition according to the different fields of research. Awareness of the reform and opening is clearly strengthened in economy and science areas, whereas the political thought sector still holds fast to the established political and social consciousness. This asymmetry of altered consciousness is due to the dual attributes of the identity and the roles imposed on the North Korean intellectuals. Over the historical process, North Korean intellectuals have been accustomed to defending the regime, and the identity as followers of the system seems to affect their perception of reality. North Korea, in promoting a reform drive in recent years, has given new roles to the intellectuals. North Korean intellectuals are now required to take the role of an expert group to lead in the changing times as supporters of the Kim Jong-un regime.
강미영 ( Miyeong Kang ),이은옥 ( Eunok Lee ),박우창 ( Uchang Park ) 한국정보처리학회 2010 한국정보처리학회 학술대회논문집 Vol.17 No.2
본 연구에서는 내용 기반의 텍스타일 이미지 검색 시스템을 구축하였다. 텍스타일 이미지에 대한 색상, 질감, 모양 특성 추출 조합을 각각 혹은 가중치를 이용한 방법으로 검색한다. 검색은 사용자 인터페이스에서 오라클 데이터베이스 시스템에서 제공되는 이미지의 색상, 질감 특성 값에 대한 검색과 결과 피드백을 보면서 진행된다. 또 검색 대상 이미지들을 유사도에 따라 다차원 비례법에 의하여 2차원 화면에 클러스터링하여 전체 이미지의 군집화 특성을 쉽게 파악할 수 있는 기능을 구현하였다.
‘2000년 국어의 로마자 표기법’ 표기 방식에 관한 소론 1
강미영(Miyeong Kang) 한국중원언어학회 2016 언어학연구 Vol.0 No.41
This study aims to present solutions to the controversial issues on Korean Romanization Rule enacted in 2000. The findings of a survey study with 84 undergraduates led to the following suggestions for the current Romanization Rule. First, Korean Romanization needs to be based on the electromagnatic method. Second, no symbols other than the Roman alphabets should be used. Third, the Korean vowels ‘ㅓ e’, ‘ㅡ u’, and ‘ㅢ uy’ need to be transcribed as ‘eo’, ‘eu’, and ‘eui.’ Fourth, the initial and final sound difference in Korean lax consonants of plosives should be clarified in writing. That is, for a Korean alphabet ‘ㄱ k’, its initial sound should be romanized as ‘g’, and its final one as ‘k.’ Fifth, the Korean fortis consonant ‘ㄱ k’ needs to be romanized as ‘gg.’ Finally, when there occurs a sound shift, its consequence should not be reflected. The unified Romanization Rule should reflect the public’s opinions so that they can easily learn and widely use the Rule. The findings of this study have significant implications for enacting a new easy-to-use Romanization Rule.
데이터베이스에서 개인정보보호를 위한 정책기반 쿼리 변환기 설계 및 구현
김미영 ( Miyeong Kim ),이영록 ( Younglok Lee ),이형효 ( Hyunghyo Lee ),김용민 ( Bongnam Noh ) 한국정보처리학회 2008 한국정보처리학회 학술대회논문집 Vol.15 No.1
인터넷으로 대표되는 정보통신망 및 컴퓨터를 이용한 개인 정보 수집과 활용이 일반화됨에 따라 수집된 개인정보의 불법적인 접근 유출 사례가 증가하고 있다. 현재의 개인정보 이용 환경은 데이터 접근 시 사용자의 질의 내용과 그에 대한 결과가 그대로 노출되어 사용자의 프라이버시를 침해하는 문제를 안고 있다. 본 논문에서는 데이터베이스에서 개인정보보호를 위해 접근제어 정책 기반 쿼리 처리 시스템인 보안 게이트웨이를 설계하고 구현한다. 이 시스템은 클라이언트가 TDS 프로토콜을 이용하여 DBMS에 접근해 정보를 요청할 때 보안 정책을 반영함으로써 단순한 차단은 물론 변환된 쿼리 응답을 한다. 본 시스템은 불법적인 접근에 대한 제어는 물론이고, 정당한 인증자의 실수나 고의적인 개인정보 유출로 인한 경제적, 사회적 손실을 방지할 수 있다. 또한 주민등록번호 등 보안 대상 정보를 제외한 기타 정보에 대한 접근을 허용함으로써 데이터베이스 가용성을 보장한다.
신미영(Miyeong Shin),김영인(Youngin Kim),박영배(Youngbae Park) 한국정보과학회 1991 한국정보과학회 학술발표논문집 Vol.18 No.2
대량의 음소 패턴 데이타를 중에서, 유사성이 가장 높은 음소를 판별하여 음소를 인식 하는일은 음소 패턴 데이타가 가변길이면서, 음소 패턴 전체를 처음부터 끝까지 순차적으로 탐색해야 하므로 많은 시간을 필요로 한다. 본 논문에서는 탐색 시간을 줄이기 위해서 전체 음소 패턴을 처음부터 끝까지 탐색하지 않고 클러스터링된 패턴만을 탐색할 수 있도록 음소 패턴 데이타들 중에서 특성이 유사한 음소들을 추출하는 클러스터링 알고리즘을 두가지 제시한다. 첫째는 신경 회로망의 Back Propagation알고리즘을 이용하여 음소 패턴 데이타를 학습한후 그 결과를 클러스터링에 이용하는 방법이고, 둘째는 DP-매칭을 이용한 알고리즘으로 유사성이 높은 음소 패턴 데이타들의 거리값이 가장 짧은 음소 패턴 데이타들을 클러스터링하는 방법이다.
Park, Miyeong,Jeong, Sang-Ho,Lee, Young-Joon,Park, Ji-Ho,Choi, Sang-Kyung,Hong, Soon-Chan,Jung, Eun-Jung,Ju, Young-tae,Jeong, Chi-Young,Lee, Jeong-Hee,Ha, Woo-Song The Korean Gastric Cancer Association 2017 Journal of gastric cancer Vol.17 No.1
An 84-year-old man was diagnosed with two synchronous adenocarcinomas, a Borrmann type IV advanced gastric adenocarcinoma in his antrum and a well-differentiated Borrmann type I carcinoma on the anterior wall of the higher body of his stomach. Pre-operatively, computed tomography of the abdomen revealed the presence of advanced gastric cancer with peri-gastric and para-aortic lymph node (LN) metastasis. He planned for palliative total gastrectomy owing to the risk of obstruction by the antral lesion. We performed a frozen biopsy of a para-aortic LN during surgery and found that the origin of the para-aortic LN metastasis was from undiagnosed prostate cancer. Thus, we performed radical total gastrectomy and D2 LN dissection. Post-operatively, his total prostate-specific antigen levels were high (227 ng/mL) and he was discharged 8 days after surgery without any complications.