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      • KCI등재후보

        대학생의 건강생활 습관과 스트레스에 관한 연구

        김지향,오혜숙,민성희 동아시아식생활학회 2004 동아시아식생활학회지 Vol.14 No.3

        This study was performed in order to investigate to dietary behavior, preceived stress and their correlations of University students. The number of subjects was 549 and the results of this study are as followed: Only 13.9% of student-20% of male students, 10% of female students-exercise regularly. Regular exercise and health condition had no statistical relationship in this study. 83.9% of subjects had experience of alcohol drinking (19.4% of male students, 7.3% of female students). Many students replied that they drink alcohol 1~2 times per a week. 24.4% of students-only 2.6% of female students-were smoking and great number of smokers were drinking also. The BMI of 46.7% of subjects were in normal range. 48.2% were in under weighted and 5.1% were in over weighted or obesity. The stress factor of University students were analyzed into 12. Inner stress factors like as identity, coursework, friendship, health problem were more potent in female students than male. Among the health related habits, disease itself had a great effect on many stress factors but regular exercise had a little.

      • KCI등재

        Treacher Collins 증후군 환아의 증례보고

        박지현,김승혜,송제선,김성오,이제호 大韓小兒齒科學會 2010 大韓小兒齒科學會誌 Vol.37 No.3

        Treacher Collins 증후군(TCS)은 25,000명에서 50,000명당 1명의 빈도로 비교적 드물게 발생하는 난치성 질환이다. 이 질환은 정상적인 부모에게서 돌연변이로 발생하거나 상염색체 우성으로 유전된다고 알려져 있다. 하악과 상악, 협골의 발육 부전, 부정교합, 양측성 이개 기형, 안검렬의 반몽고증 사면(antimongoloid slant)이 특징적이며, 종종 구순열, 구개열, 외이도 폐쇄, 중이와 내이의 기형에 의한 청각소실, 왜소증, 심장과 골격의 이상 등을 동반한다. 또한, 인두의 형성부전, 소구, 거설증, 악골의 기형에 기인하여 수면 중 무호흡증, 만성 폐쇄성 무호흡증 등의 호흡 장애가 있을 수 있으며, 전신마취 유도 시에 기관내 삽관이 어렵다고 보고된 바 있다. 치과의사는 관련 신드롬에 대한 충분한 이해를 통해 환자에게 보다 안전하게 치료를 제공해야 하며 구강 건강 관리 및 선천성 안면 기형에 대한 문제 해결을 돕기 위해 적절한 치료 및 안면 수술에 관련된 가이드를 제시해야 한다. 본 증례는 전반적인 치아우식을 주소로 연세대학교 치과병원 소아치과에 내원하여 외래에서 치아우식 치료를 받은 TCS 환아에 대한 것으로, 문헌 고찰을 통해 얻은 다소의 지견을 함께 보고하는 바이다. Treacher Collins syndrome(TCS) is a rare, incurable condition occurring in approximately 1 of 25,000 to 50,000 births. It may occur as a spontaneous mutation out of genetically normal parents or it may be manifested as an autosomal dominant pattern. TCS is characterized by facial deformities such as, underdevelopment of the maxilla, mandible and zygoma, malocclusion, bilateral deformities of auricles, antimongoloid slant of the palpebral fissures. The syndrome is often associated with cleft lip and palate, ear malformations and hearing loss, short stature, and anomalies of the heart and skeleton. Respiratory difficulty associated with air way obstruction may also be observed, and there is considerable difficulty in airway management during general anesthesia. It is necessary that dentists provide safe dental treatments and guidelines to TCS patients by providing adequate understanding about the characteristics of the syndrome and proper ways of managements. The purpose of this study is to report the dental and medical characteristics of the patient who visited the Department of Pediatric Dentistry, Yonsei University for multiple dental caries treatment and to review the literatures of TCS.

      • 영덕 달산 지역 화산층서와 용암의 공급지

        황상구,함희수,김지영,정해오 안동대학교 기초과학연구소 1999 基礎科學 硏究論文集 Vol.10 No.1

        We traced the flow direction of Ipbong Andesite and dacite in Dalsan area, Yeongdeok. Elongate vesicles and lathlike plagioclase phenocysts are aligned in the outcrops or under microscope. The lineations from their alignment are excellently indicating the flow direction of lavas. The flow directions, which were measured from the lineations in the Ipbong Andesite, are NNW-SSE in the eastern part and NNE-SSW in the southwestern part. The flow lineations show a fanlike movement pattern from the mid-northern part that the diorite is distributed. The diorite area is prabably a potential source area of the andesite

      • 하수에서 분리한 합성세제 분해균의 특성

        정민선,전진경,정영건,이해경,권오진,지원대,김관배 嶺南大學校 環境問題硏究所 1993 環境硏究 Vol.13 No.1

        대구시와 경산시의 하수에서 음이온계 합성세제인 sodium dodecyl sulfate(SDS)와 sodium dodecylbenzene sulfonate(SDBS)를 유일한 탄소원으로 이용하는 균주 289종을 분리하고 이중 합성세제 분해력이 강한, 그람음성 간균으로 운동성인 8균주를 선정하여 그 선정균들의 특성을 조사하였다. 선정균은 40℃ 이상에서는 생육하지 못하였으며 생육 최적 pH는 균주간에 다소 차이가 있었으며 pH 4.0 이하에서는 선정균 모두 생육치 못하였다. 질소원으로는 SDS분해균의 생육에는 potassium nitrate가, SDBS 분해균의 생육에는 soytone이 좋았다. SDS 분해균인 DS-3, 6, 8, 24 및 SDBS 분해균인 BS-7, 8은 세제농도가 5.0% 이상에서도 생육이 가능하였다. 선정균들은 tetracycline에 감수성이 강한 것으로 나타났지만 penicillin에는 강한 내성을 띠는 것으로 나타났고, ??와 ??금속이온은 모든 선정균들의 생육을 억제하는 것으로 나타났다. On purpose to isolate the organisms, which would utilize detergents(sodium dodecyl sulfate, SDS and sodium dodecylbenzene sulfonate, SDBS) as a sole carbon source, from the waste water of Kyungsan and Taegu city 289 strains were isolated. Among them 8 strains, which are gram negative rods with motility and produce strong enzyme to biodegrade the synthetic detergents, were selected. The characteristics of them were investigated as follows, 8 strains were failed to grow above the temperature of 40℃ and below the pH 4.0 even though they have variable optimum pH. Potassium nitrate was very effective for the growth of SDS-biodegradable strains and soytone was effective for the growth of SDBS-biodegradable strains as a sole nitrogen source. Among 8 strains especially DS-3, DS-6, DS-8 and DS-24(SDS-biodegradation strains) and BS-7 and BS-8(SDBS-biodegradation strains) could grow above 5.0% of detergent concentration. All of 8 strains were very sensitive to tetracycline but resistant to penicillin. Selected 8 strains were inhibited by metal ions of ??(0.156mg/㎖) and ??(0.156mg/㎖).

      • 일부 흡연 대학생의 지각된 스트레스와 흡연실태에 대한 상관관계 연구

        강초록,권시내,권혜림,박수경,송인혜,오해인,이미지,한승아,황선아,김수지 이화여자대학교 간호과학대학 2003 이화간호학회지 Vol.- No.37

        In spite of the seriousness of smoking harm has been developed these days. the increase of national smoking rate and that the people in the twenties are especially leading the rise of national smoking rate is an important issue of national health. Smoking of the university students can occur health problem and cause loss of manpower and expenses in their social activity period. So then the actual state for prevention of smoking and development of a program to prohibit smoking has to be seized urgently and starting with the study of the realities of university students, the effort to find a related fluent of smoking has to be studied. Related to this, the purpose of this study is to seize the general characteristics of smoking university students and to find out the relationship between perceived stress and smoking status among smoking university students. In addition, by collating the relationship between perceived stress and smoking status among smoking university students we have the purpose to furnish the basal data of stress care, the best way to cope with stress through group training and the plan for nursing implementation to decrease the smoking rate. For this study, a survey was conducted for 204 smoking university students of 13 universities in Seoul from 9th of May to 16th of May, 2003. The collected data was analyzed by t-test, Pearson Correlation and ANOVA in the statistical packages SPSS/PC. Major findings of this study are as follows; 1. Of the 204 respondents 85.4% of them were male and 14.6% of them were female. The average age of the sample was 23.19 years old and 41.8% of them were in senior, 21.4% in junior, 16.9% in sophomore, 19.9% in freshman grade. The major motivation to start smoking was 'because of curiosity'(33.8%) and the first smoking experience was at 'senior high school' (41.9%) and at 'college' (41.9%). 2 The highest scored stress factor of smoking university students were stresses about school work. 3. 72.7% had experience to quit smoking at least one or more times. Most of the reason to keep on smoking was 'short will to quit'(51.0%) and the smoking place was usually at 'school' (41.4%). Most respondents for the number ofsmoking friends were '5 people and above' (73.2%). 4. There was a negative relationship between the general characteristics and the entire perceived stress, however, there was a positive relationship between the general characteristics and the perceived stress in 4 categories which is 'sex distinction', 'major of study', 'residence form' and' inmate'. 5. There was a negative relationship between the general characteristics and the entire smoking status, however, there was a positive relationship between the general characteristics and the smoking status in 2 categories which is 'presence of hobby' and 'number of smoking friends'. 6. There was a negative relationship between the perceived stress and the smoking status. Through this study we have seized the relationship between the general characteristics, perceived stress and the smoking status of smoking university students. There was a positive relationship between some of the general characteristics with the perceived stress and the smoking status of smoking university students. Also there was a negative relationship between the perceived stress and the smoking status.

      • SCIESCOPUSKCI등재
      • KCI등재

        정신분열병환자의 뇌량에 대한 신경병리적 고찰 : 확산텐서영상(Diffusion Tensor Image)기법의 적용

        이경진,신용욱,하태현,이종민,김인영,김선일,문원진,정은철,박해정,오정은,박지영,강경훈,권기원,권준수 大韓神經精神醫學會 2005 신경정신의학 Vol.44 No.4

        Objectives : Diffusion tensor imaging (DTI) is a new technique that can be used to visualize and measure the diffusion of water in brain tissue. It is particularly useful for evaluating white matter abnormalities. In this paper, we investigated the neuropathology of the corpus callosum in patients with schizophrenia through the new methods, diffusion tensor imaging. Methods : Diffuse tensor imaging was performed in 19 schizophrenic patients and 26 healthy controls. One complementary measure, fractional anisotropy (FA), which is considered to be sensitive indices of axonal integrity, was obtained from regions of interest in the five areas of the corpus callosum. Neuropsychological measurement also underwent for measurement of frontal lobe function in two groups. Results : There were no significant differences of FA in the DTI measures for either the schizophrenic patients compared with controls. FA was significantly decreased in women compared with men. Neuropsychological measurements such as Wisconsin card sorting test were correlated with FA of patients with schizophrenia. Conclusion : FA measures revealed no differences between schizophrenia and controls. The findings suggest that the structural integrity of white matter in patient with schizophrenia was not disrupted. The results are discussed in relation to previous studies reporting positive and negative findings. It is concluded that further studies using DTI in larger samples, improved and standardized methods of data acquisition and analysis are needed.

      • KCI등재

        The optimal scaffold for silk sericin-based bone graft: collagen versus gelatin

        Ji Hae Lee,HaeYong Kweon,Ji-Hyeon Oh,김성곤 대한악안면성형재건외과학회 2023 Maxillofacial Plastic Reconstructive Surgery Vol.45 No.-

        Background Silk sericin is an active ingredient in bone grafts. However, the optimal scaffold for silk sericin has yet to be identified. Method A critical-sized bone defect model in rat calvaria was used to evaluate bone regeneration. Silk sericin from Yeonnokjam, Bombyx mori, was incorporated into gelatin (group G, n = 6) and collagen (group C, n = 6). Bone regeneration was evaluated using micro-computed tomography (mCT) and histology. Results Group C showed a larger bone volume than group G in the mCT analysis (P = 0.001). Histological analysis showed a larger area of bony defects in group G than in group C. The bone regeneration area in group C was significantly larger than that in group G (P = 0.003). Conclusion Compared with gelatin, collagen shows better bone regeneration in silk sericin-based bone grafts.

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