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Boran Ji(Boran Ji),Hayan Lee(Hayan Lee),Kyungtae Park(Kyungtae Park),Sang Yeob Lee(Sang Yeob Lee),Bo-Kook Jang(Bo-Kook Jang),In Hwan Chae(In Hwan Chae),Chung Youl Park(Chung Youl Park),Sung Pil Kwon(S 한국자원식물학회 2022 한국자원식물학회지 Vol.35 No.6
The demand for Chelidonium majus L. subsp. asiaticum H. Hara is expected to increase due to its pharmacological properties such as antibacterial, antioxidant, and anti-inflammatory effects. However, an effective propagation system for this species has not yet been established. This study was conducted to analyze the seed dormancy and germination characteristics of C. majus L. subsp. asiaticum H. Hara native to Korea and establish a mass propagation system. The dormancy type was primarily classified by analyzing the general information of the collected seeds. The seed dormancy breaking was investigated by comparing the effects of cold stratification (0, 2, 4, 8, 10, or 12 weeks) with warm stratification (S, summer temperature, 25/15°C) and intermediate temperature stratification (A, autumn temperature, 15/10°C) of alternating temperature stratification (S12-A4 or S12-A8 weeks). After dormancy break, 500 ㎎/L GA3 and GA4+7 treatment replaced cold stratification and improved seed germination. The results of this study are expected to provide basic data for future seed propagation and mass propagation by analyzing the dormancy and germination characteristics of C. majus L. subsp. asiaticum H. Hara seeds.
이하얀 ( Lee Hayan ) 서강대학교 언어정보연구소 2017 언어와 정보 사회 Vol.30 No.-
The Korean loanword orthography has been established by Joseoneo-society in 1940 as the Unified draft of Korean loanword orthography(Oeraeeo pyogibeop tongilan). Since then the Korean loanword orthography has changed its name and position in the Korean unified draft for spelling system. However, its change was not enough because the change was just little adjustment of loanword orthography. As a result, the present Korean loanword orthography is contradictory, not systematic, and confusing partly. Therefore, there is a need to correct these problems, not destroying whole system of the Korean Unified draft for spelling system. So I examine articles of the Korean loanword orthography microscopically and find problems. Also, I make suggestions for them to be more accurate, logical, easy to understand Korean loaword orthography.
이하얀(Lee, Hayan),황화상(Hwang, Hwa-sang) 한국어학회 2017 한국어학 Vol.74 No.-
This study aims to research an extension of grammatical function of Wanjeon(완전). It has been known that the word class of Wanjeon is a noun. However Wnajeon is used to an adverb besides a noun in modern Korean, especially in the spoken language. This means that the word class of Wanjeon was extended to an adverb from a noun. Wanjeon means ‘extreme degree’ as an adverb. The grammatical function of Wanjeon was extended step by step in both a meaning and a word class. First, the nouns modified by Wanjeon were extended to adjectival nouns, and consequently Wanjeon got to mean ‘extreme degree’. Second, the word classes modified by Wanjeon were extended to adjectives, and consequently Wanjeon got to have a grammatical status as an adverb. In addition, the elements modified by Wanjeon were extended to verbs and sentences.
Risk factors for postpartum endometritis after uterine artery embolization for postpartum hemorrhage
( Eun Jin Lee ),( Yun Ji Jung ),( Hayan Kwon ),( Ja-young Kwon ),( Young-han Kim ),( Joonho Lee ) 대한산부인과학회 2022 대한산부인과학회 학술대회 Vol.108 No.-
Objective: The aim of this study was to identify risk factors for the development of puerperal endometritis following uterine artery embolization (UAE) for postpartum hemorrhage (PPH). Methods: Retrospective cohort study including women who underwent delivery and UAE for PPH at Severance hospital between May 2010 and May 2022 was conducted. Maternal demographics and clinical characteristics were reviewed. Postpartum endometritis was defined as fever ≥ 38 with either fundal tenderness or abnormal vaginal discharge or odor in the absence of any other source. Univariative and multivariative analysis with logistic regression models were performed to determine the factors related to postpartum endometritis. Results: Of the 106 women who received UAE, 14 (13.2%) had postpartum endometritis and 3 patients were diagnosed with pathologically confirmed uterine necrosis. The presence of labor before delivery and the higher number of vaginal examination were associated with an increased risk of postpartum endometritis (adjusted for postpartum antibiotic use; p=0.004 and 0.002, respectively) In the subgroup analysis, higher number of vaginal examination were associated with an increased risk of postpartum endometritis in the vaginal delivery group (adjusted OR 1.62; p=0.012). In the Cesarean section group, emergency operation (adjusted OR 6.43; p=0.018) and the presence of labor before delivery (adjusted OR 9.60; p=0.011) were associated with an increase the risk of postpartum endometritis. Conclusion: We conclude that labor before delivery and multiple vaginal examination are strongly correlated with the development of postpartum endometritis after uterine artery embolization.