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Dual-behavior of Palatalized Nasals in Irish Assimilation
Yon-hee Koh 이화여자대학교 영미학연구소 2001 영어학 연구 Vol.- No.6
Koh, Yon-hee 2000 DuaI-behavior of palatalized nasals in Irish assimilation Journal of English Linguistics, 6, PP 1-19 This paper examines the phonological characteristics of secondary articulations with the examples of dual behavior of palatalized nasals in Irish assimilation I will discuss this phenomenon in the framework of feature geometry models of Clements and Hume (1995) and Davis (1993) Though they can explain the dual-behavior of palatalized nasals, I will argue against them since they fail to capture another interesting phonological characteristic of secondary articulation, mutual exclusiveness of three secondary articulations I will modify the concept of aperture positions originally suggested by Steriade (1993) and propose a feature geometry model to represent the dual behavior of secondary articulations and the mutual exclusiveness effectively (Korea Tourism College)
English Plural Suffix in Optimality Theory
고연희 이화영어학회 1999 영어학 연구 Vol.- No.4
The purpose of this article is to explain the three allomorphs of English plural suffix by the notions of constraint ranking and violability provided by Optimality Theory (OT). Though the analysis based on rule ordering in the classical model of generative phonology derives correct outputs of three allomorphs, rule ordering is so controversial that it is hardly accepted. The analysis in OT explains the allomorphs by several constraints and their violations according to constraint hierarchy without rule ordering problem.
고연희 이화여자대학교 영미학연구소 1998 영어학 연구 Vol.- No.3
This paper examines the superfluity of [consonantal] Since McCarthy's (1988) proposal that [sonorant] and [consonantal] are included inside the root node because they do not assimilate nor dissimilate, there have been various arguments by Black(1991), Kaisse(1992), and Cho and Inkelas (1993) against this proposal, with examples where the feature [consonantal] spreads or delinks Hume and Odden (1995) challenge these arguments, reanalyzing the cases of [consonantal] spreading and insist on superfluity of this feature I will argue for their suggestion Furthermore, I will propose a model of feature geometry using aperture positions in which the root node is able to classify a segment without containing the feature [consonantal] (University of Maryland Asian Division)
The senescence-induced staygreen protein regulates chlorophyll degradation.
Park, So-Yon,Yu, Jae-Woong,Park, Jong-Sung,Li, Jinjie,Yoo, Soo-Cheul,Lee, Na-Yeoun,Lee, Sang-Kyu,Jeong, Seok-Won,Seo, Hak Soo,Koh, Hee-Jong,Jeon, Jong-Seong,Park, Youn-Il,Paek, Nam-Chon American Society of Plant Physiologists 2007 The Plant cell Vol.19 No.5
<P>Loss of green color in leaves results from chlorophyll (Chl) degradation in chloroplasts, but little is known about how Chl catabolism is regulated throughout leaf development. Using the staygreen (sgr) mutant in rice (Oryza sativa), which maintains greenness during leaf senescence, we identified Sgr, a senescence-associated gene encoding a novel chloroplast protein. Transgenic rice overexpressing Sgr produces yellowish-brown leaves, and Arabidopsis thaliana pheophorbide a oxygenase-impaired mutants exhibiting a stay-green phenotype during dark-induced senescence have reduced expression of Sgr homologs, indicating that Sgr regulates Chl degradation at the transcriptional level. We show that the leaf stay-greenness of the sgr mutant is associated with a failure in the destabilization of the light-harvesting chlorophyll binding protein (LHCP) complexes of the thylakoid membranes, which is a prerequisite event for the degradation of Chls and LHCPs during senescence. Transient overexpression of Sgr in Nicotiana benthamiana and an in vivo pull-down assay show that Sgr interacts with LHCPII, indicating that the Sgr-LHCPII complexes are formed in the thylakoid membranes. Thus, we propose that in senescing leaves, Sgr regulates Chl degradation by inducing LHCPII disassembly through direct interaction, leading to the degradation of Chls and Chl-free LHCPII by catabolic enzymes and proteases, respectively.</P>
Cohort profile: National Investigation of Birth Cohort in Korea study 2008 (NICKs-2008)
Kim, Ju Hee,Lee, Jung Eun,Shim, So Min,Ha, Eun Kyo,Yon, Dong Keon,Kim, Ok Hyang,Baek, Ji Hyeon,Koh, Hyun Yong,Chae, Kyu Young,Lee, Seung Won,Han, Man Yong The Korean Pediatric Society 2021 Clinical and Experimental Pediatrics (CEP) Vol.64 No.9
Background: An adequate large-scale pediatric cohort based on nationwide administrative data is lacking in Korea. Purpose: This study established the National Investigation of Birth Cohort in Korea study 2008 (NICKs-2008) based on data from a nationwide population-based health screening program and data on healthcare utilization for children. Methods: The NICKs-2008 study consisted of the Korean National Health Insurance System (NHIS) and the National Health Screening Program for Infants and Children (NHSPIC) databases comprising children born in 2008 (n=469,248) and 2009 (n=448,459) in the Republic of Korea. The NHIS database contains data on age, sex, residential area, income, healthcare utilization (International Classification of Diseases10 codes, procedure codes, and drug classification codes), and healthcare providers. The NHSPIC consists of 7 screening rounds. These screening sessions comprised physical examination, developmental screening (rounds 2-7), a general health questionnaire, and age-specific anticipatory guidance. Results: During the 10-year follow-up, 2,718 children (0.3%) died, including more boys than girls (hazard ratio, 1.145; P<0.001). A total of 848,048 children participated in at least 1 of the 7 rounds of the NHSPIC, while 96,046 participated in all 7 screening programs. A total of 823 infants (0.1%) weighed less than 1,000 g, 3,177 (0.4%) weighed 1,000-1,499 g, 37,166 (4.4%) weighed 1,500-2,499 g, 773,081 (91.4%) weighed 2,500-4,000 g, and 32,016 (5.1%) weighed over 4,000 g. There were 23,404 premature babies (5.5%) in 2008 compared to 23,368 (5.6%) in 2009. The developmental screening test indicated appropriate development in 95%-98% of children, follow-up requirements for 1%-4% of children, and recommendations for further evaluation for 1% of children. Conclusion: The NICKs-2008, which integrates data from the NHIS and NHSPIC databases, can be used to analyze disease onset prior to hospitalization based on information such as lifestyle, eating habits, and risk factors.
연미영(Mi Yong Yon),이윤나(Yoon Na Lee),김도희(Do Hee Kim),이지연(Jee Yeon Lee),고은미(Eun Mi Koh),남은정(Eun Jeong Nam),신혜형(Hye Hyung Shin),강백원(Baeg Won Kang),김종욱(Jong Wook Kim),허석(Seok Heo),조해영(Hea Young Cho),김초일(C) 대한지역사회영양학회 2011 대한지역사회영양학회지 Vol.16 No.4
We attempted to define the sources of sodium intake for the Korean population at prepared dish level to provide a basis for developing sustainable nutrition policies and feasible programs for sodium intake reduction. Dietary intake data from 2008 and 2009 Korea National Health and Nutrition Examination Survey was used in the analysis for sodium intake sources. Sodium intake from individual dish consumed by each subject was calculated and used in delineating major sodium sources at dish and dish group level for sub-populations of different sex and age. Also, sodium intake was compared between eaters and non-eaters of some specific dish groups with considerable contribution to total sodium intake. The number of subjects included in the analysis was 18,022 and mean sodium intake was 4,600 mg/capita/day. Major sources of sodium intake at dish group level were in the following order: kimchi (1125 mg, 24.5%), noodles (572 mg, 12.4%), soups (488 mg, 10.6%), stews (399 mg, 8.7%), and cooked rice (284 mg, 6.2%). The magnitude of contribution to total sodium intake by soups and stews was different by age group. Sodium intake difference between eaters and non-eaters was much larger for kimchi group (2,343 mg for male, 1,452 mg for female) than for soups or stews. Interaction between consumption of aforementioned specific dish groups and age was highly significant (p < 0.0005) for both sexes. This study revealed an importance of having not only the control over sodium content of foods/dishes, but also the customized approach for different groups of population to accomplish an appreciable reduction in sodium intake. (Korean J Community Nutr 16(4) : 473~487, 2011)
증례 : 하시모토 갑상선염에서 갑상선 유두암과 여포암이 동시 발견된 1예
홍진헌 ( Jin Hon Hong ),남수민 ( Soo Min Nam ),이미영 ( Mi Young Lee ),고장현 ( Jang Hyun Koh ),신장열 ( Jang Yeol Shin ),정춘희 ( Choon Hee Chung ),조미연 ( Mee Yon Cho ) 대한내과학회 2007 대한내과학회지 Vol.72 No.5
저자들은 하시모토 갑상선염 환자에서 갑상선 유두암과 여포암이 동반되어 발생한 드문 예를 경험하여 보고하는 바이며 하시모토 갑상선염 환자에서 갑상선 결절에 대한 적절한 추적과 감시가 갑상선 암의 조기 발견과 치료에 도움이 될 수 있을 것으로 생각한다. We report here on a rare case of papillary and follicular carcinoma of the thyroid gland that developed in a 31 years old woman who was previously diagnosed with Hashimoto`s thyroiditis. Her chief complaint was a palpable neck mass. The antimicrosomal and antithyroglobulin antibody levels were elevated. Ultrasonography of the left thyroid gland revealed a 2.5×2.0 cm sized thyroid nodule. Fine needle aspiration biopsy of the thyroid nodule was done and this was diagnosed as Hashimoto`s thyroiditis. There was no evidence of thyroid cancer. After 1 year, thyroid ultrasonography and biopsy were repeated for examining an enlarged thyroid nodule. Total thyroidectomy was then performed. The histopathologic examination revealed that the right and left thyroid glands were in accordance with the diagnosis of papillary and follicular cancer, respectively. Until now, no known case of simultaneous papillary and follicular carcinoma in Hashimoto`s thyroiditis has been reported. This case suggests that adequate follow up for Hashimoto`s thyroiditis patients with thyroid nodule may help the early detection and management of thyroid cancer. (Korean J Med 72:558-562, 2007)