한국 천식아동의 기질특성

김승태,최성구,김상엽,정유숙,홍성도,김선우,이상일,이흥재 大韓神經精神醫學會 1997 신경정신의학 Vol.36 No.6

이 연구의 목적은 기관지 천식아동의 기질특성을 알아보기 위한 것이다. 저자중 일인의 예비연구에 의하면 천식아동집단은 습진이나 알러지성 비염 등의 만성질환을 가진 아동집단이나 정상아동과는 다른 기질특성을 갖는다. 세 살에서 일곱 살 사이의 정상아동과 기관지 천식을 앓는 아동 85명의 어머니들에게 한국판"부모기질설문(Parental Temperamental Questionnaire)"을 완성하도록 하여 기질을 측정하였다. 기질의 9가지 범주 및 요인 A점수를 비교하기 위하여 비모수적 통계법을 사용하였으며, 아동들의 기질진단을 비교하기 위하여 Chi-square통계법을 사용하였다. 그 결과 천식을 앓는 여아집단은 정상 여아집단에 비해 적응성과 반응의 역치 범주에서 통계적으로 유의하게 낮았다. 또 정상아동집단의 11%가 기질진단적으로 양육곤란형인 반면 천식아동집단은 22%를 차지했다. 두 집단은 기질진단면에서도 통계적으로 유의한 차이를 보였다. 이와 같은 결과는 천식아동에 특징적인 기질양상이 있음을 시사한다. 기질양상의 조기발견은 부모들에게 천식아동의 건강한 발달을 이해하고 행동장애 고위험집단인 만성질환을 앓는 소아들에게 적절한 양육을 제공하는데 도움을 줄 것이다. The objective of this study was to determine temperamental characteristics of children with bronchial asthma. An earlier preliminary study(Kim SP, Ferrara A, Chess 5, 1980) results show that the asthmatic children, as a group, are significantly different from two other control groups(1. children with eczema, allergic rhinitis, or both without asthma : Ⅱ. normal healthy children in their temperamental profile). The parents of 85 Korean children with bronchial asthma, ages 3 to 7 years, completed the Korean version of Parental Temperamental Questionnaire developed by Thomas and Chess. The data collected were of ordinal type, ranked from 1 to 7 and the non-parametric Mann-whitney U Test was utilized. Any child with a suspected history or diagnosis of premature birth, organic brain syndrome, mental retardation, childhood psychosis, congenital physical anomaly, hereditary disease or any other medical or surgical conditions, other than asthma, requiring continuous physicians care was excluded from the study population. The results showed that asthmatic female children were characterized by lower adaptability and lower threshold of responsiveness. And 22% of asthmatic children were of the difficult type, compared to 11% of normal children. Both groups were statistically different in terms of temperamental constellation. The findings strongly suggest the existence of a distinct temperamental profile of asthmatic children. Early detection of the profile may be of great value for parents and child health care providers in understanding the asthmatic children's correct developmental needs and in determining appropriate parenting approaches for the chronically ill children at the risk of behavioral disorder.

농기계의 보관 관리 실태에 관한 연구

이규승,김성엽,박원엽 성균관대학교 생명공학연구소 2001 生命工學硏究 Vol.7 No.1

This study was conducted to analyze the storage and management status of major farm machinery, and to present the basic information for the construction of multipurpose storage housing suitable to the individual farmers by identifying current problems. The average farm area of the surveyed farmers was 4.25ha, which represents relatively higher than the average of whole country. The mechanization rate for paddy farming was 98%. so, the individual storage housing should be concentrated on the farm machinery utilized in paddy farming. The annual operating time for the seasonal farm machinery(such as combine and rice transplanter) were showed high difference between farmers and machines. For the rice transplanter, the highest portion of annual operation time was 1∼10 days as 71%, and for the combine, that was over 20 days as 36% and the second was 16∼20 days as 23%. The average difference in repairing cost for combine between the farmers with and without common storage housing was 100,000 won. The percent of storaging farm machinery in the open field for farmers without housing were 44% for power tiller, 16% for farm tractor, 21% for rice transplanter, 10% for combine. Each farmer had the individual temporary simple housing with various kinds and structure. Most of the farmers, 63.7%, want to use the farm machinery storage housing as multipurpose utilization. Twenty nine percent of farmers want to use the farm machinery storage housing any for storaging purpose. And, most farmers prefer near the farm house as suitable position of housing, and prefer the area of 132∼198㎡ for storage housing. The current problems on common storage housing were insufficient area(44.8%), no problem(29%) improper position, excessive construction cost, inconvenient entrance, etc.

Effects of Motor Skill Learning and Treadmill Exercise on Motor Performance and Synaptic Plasticity in Harmaline Induced Cerebellar Injury Model of Rat

Kim, Gi-Do,Min, Kyung-Ok,Kim, Kyung-Yoon,Sim, Ki-Cheol,Nam, Ki-Won,Koo, Ja-Pung,Park, Joo-Hyun,Moon, Ok-Kon,Yu, Seong-Hun,Kim, Gye-Yeop International Academy of Physical Therapy Research 2010 Journal of International Academy of Physical Ther Vol.1 No.2

This study is intended to examine the motor skill learning and treadmill exercise on motor performance and synaptic plasticity in the cerebellar injured rats by harmaline. Experiment groups were divided into four groups and assigned 15 rats to each group. Group I was a normal control group(induced by saline); Group II was a experimental control group(cerebellar injured by harmaline); Group III was a group of motor skill learning after cerebellar injured by harmaline; Group IV was a group of treadmill exercise after cerebellar injured by harmaline. In motor performance test, the outcome of group II was significantly lower than the group III, IV(especially group III)(p<.001). In histological finding, the experimental groups were destroy of dendrities and nucleus of cerebellar neurons. Group III, IV were decreased in degeneration of cerebellar neurons(especially group III). In immunohistochemistric response of synaptophysin in cerebellar cortex, experimental groups were decreased than group I. Group III's expression of synaptophysin was more increased than group II, IV. In electron microscopy finding, the experimental groups were degenerated of Purkinje cell. These result suggest that improved motor performance by motor skill learning after harmaline induced is associated with dynamically altered expression of synaptophysin in cerebellar cortex and that is related with synaptic plasticity.

Evaluation of Sound Quality for Ergonomic Design of Movable Parts in a Refrigerator

Seong Yeop Kang(강성엽),Sae Rom So(소새롬),Gun Ou Kim(김건우),Ji Hoon Kim(김지훈),Sang Hu Park(박상후) 한국기계가공학회 2018 한국기계가공학회지 Vol.17 No.6

We propose a method for evaluating sound quality quantitatively to develop high-level home appliances (HA). Generally, a refrigerator has diverse movable parts such as slider, drawer, and folding shelf. Therefore, an engineering treatment to control the noise quality is considered as one of key technologies for a higher level refrigerator. Among the movable parts, we have selected a folding shelf as an example, which is commonly setup inside of a home refrigerator for increasing space convenience, to control the noise quality. However, it is known that its noise level is very high comparing to other movable parts when folding or unfolding actions. In order to evaluate and compare the noise quality, we have tested different eighteen models, and have suggested an impact sound quality index (ISQI) based on subjective evaluation data obtained experimentally by thirty two evaluators. The ISQI was formulated using three sound quality elements (noise peak, raising time, impact duration) to determine psycho-acoustic properties. Through this work, we developed an evaluating process and ISQI that was verified the usefulness by comparing the test results of personal perceptions given by evaluators with the prediction value of ISQI. We showed a good relations between them, so we believe that the proposed method and ISQI can be utilized to control of the noise quality of HA effectively.

Characterization of the novel tomato mutants with orange color fruits and increased shelf-life

Seong-Yeop Kim,Jung-Won Jung,Jae-Kwang Kim,Jihye An,Donghwa Chung,Jin-Ho Kang 한국육종학회 2023 한국육종학회 공동학술발표집 Vol.2023 No.-

A report of 38 unrecorded bacterial species in Korea, belonging to the phylum Actinobacteria

Kim, Mi-Sun,Lee, Ji-Hee,Kang, Joo-Won,Kim, Seung-Bum,Cho, Jang-Cheon,Yoon, Jung-Hoon,Joh, Ki-seong,Cha, Chang-Jun,Im, Wan-Taek,Bae, Jin-Woo,Jahng, Kwang-Yeop,Jeon, Che-Ok,Seong, Chi-Nam The National Institute of Biological Resources 2016 Journal of species research Vol.5 No.2

As a subset work for the collection of indigenous prokaryotic species in Korea, 38 actinobacterial strains were isolated from various environmental samples obtained from plant root, ginseng cultivating soil, mud flat, freshwater and seawater. Each strain showed higher 16S rRNA gene sequence similarity (>99.1%) and formed a robust phylogenetic clade with closest actinobacterial species which were defined and validated with nomenclature, already. There is no official description on these 38 actinobacterial species in Korea. Consequently, unrecorded 37 species of 24 genera in the 12 families belonging to the order Actinomycetales of the phylum Actinobacteria were found in Korea. Morphological properties, basic biochemical characteristics, isolation source and strain IDs are described in the species descriptions.

안면에 발생한 신경섬유종의 치험례

김희광,윤규호,전인성,김태열,김기엽,김현우 大韓顎顔面成形再建外科學會 2003 Maxillofacial Plastic Reconstructive Surgery Vol.25 No.1

Neurofibroma is benign neurogenic tumor originated from nerve tissue-Schwann cell, fibroblast, perineural cell. They have no sexual predirection and generally no symptom. Neurofibroma is classified to solitary type and multiple type and is rare in oral resion. They located in soft tissue of tongue, lip, palate and oral mucosa in form of sessile and pedunculated mass and are rare intraosseous region. In solitary type, complete excision is the choice of treatment due to their rare recurrence rate. In multiple type, the same is choice of treatment but bas some difficulty of plastic problem, bleeding

A report of 31 unrecorded bacterial species belonging to the class Alphaproteobacteria in Korea

Kim, Kyung Hyun,Yoon, Jung-Hoon,Kim, Seung-Bum,Jahng, Kwang-Yeop,Cho, Jang-Cheon,Joh, Ki-seong,Cha, Chang-Jun,Seong, Chi-Nam,Bae, Jin-Woo,Im, Wan-Taek,Jeon, Che Ok The National Institute of Biological Resources 2017 Journal of species research Vol.6 No.2

During a comprehensive investigation of indigenous prokaryotic species in Korea, a total 31 bacterial strains assigned to the class Alphaproteobacteria were isolated from diverse environmental habitats including freshwater, seawater, brackish water, ginseng soil, plant roots, natural caves, and tidal flats. Based on their high 16S rRNA gene sequence similarities(>99.1%) and formation of robust phylogenetic clades with the closest type species, each strain was assigned to an independent and predefined bacterial species. Because there were no published or official reports regarding the isolation of these 31 species in Korea, this study identified three species in two genera in the order Caulobacterales, 12 species in 10 genera in the order Rhodobacterales, three species in two genera in the order Rhizobiales, two species in two genera in the order Rhodospirillales and 11 species in seven genera, all in the order Sphingomonadaceae within the Alphaproteobacteria are reported as new alphaproteobacterial species in Korea. Gram reaction, colony and cell morphology, basic biochemical characteristics, isolation source, and strain IDs are described in the species description section.

In vitro and in vivo antimicrobial efficacy of natural plant-derived compounds against Vibrio cholerae of O1 El Tor Inaba serotype

Kim, Hyung-Ip,Kim, Ji-Ae,Choi, Eun-Jin,Harris, Jason B.,Jeong, Seong-Yeop,Son, Seok-Jun,Kim, Younghoon,Shin, Ok Sarah Japan Society for Bioscience, Biotechnology and Ag 2015 Bioscience, Biotechnology, and Biochemistry Vol.79 No.3

The Tomato Juhwang Mutant Accumulates a High Level of β-Carotene and has a Long Shelf-Life

Kim Seong-Yeop,Kim Seong-Min,천재인,Jung Jung-Won,Kim Jae Kwang,An Jihye,정동화,Kang Jin-Ho 한국식물학회 2023 Journal of Plant Biology Vol.66 No.1

Carotenoids have diverse functions in plants and animals. In tomato (Solanum lycopersicum), the red color of fruits is due to the accumulation of the carotenoid lycopene during fruit ripening. Here, the efect of a new recessive mutation juhwang (jh) on fruit color and shelf life was investigated during fruit ripening. The prominent phenotype of jh plants was orange fruit color. Carotenoid analysis revealed that jh fruits had lower lycopene and higher β-carotene levels than those in wild-type fruits after the fruit ripening stage. Expression analysis of carotenoid biosynthetic genes showed that the gene encoding lycopeneε-cyclase was upregulated and the β-carotene hydroxylase 2 gene was signifcantly downregulated in jh fruits compared with those in wild-type fruits during ripening. jh fruits also had a longer shelf-life than that of wild-type fruits based on the increased frmness. The gene expression patterns and levels of 1-aminocyclopropane-1-carboxylic acid synthases, pectate lyase, and polygalacturonase, which are fruit ripening and cell wall-softening-related genes, were delayed and reduced in jh fruits during fruit ripening compared with those in wild-type fruits. Therefore, jh may represent a novel gene, and these plants may serve as an important genetic resource to study fruit ripening related to carotenoids and shelf-life.