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      • KCI등재

        Factors associated with the risk of colorectal neoplasia in young adults under age 40

        Ilsoo Kim,Han Hee Lee,Young Jae Ko,Ho Eun Chang,Dae Young Cheung,Bo-In Lee,Young-Seok Cho,Jin Il Kim,Myung-Gyu Choi 대한내과학회 2022 The Korean Journal of Internal Medicine Vol.37 No.5

        Background/Aims: Recent epidemiologic studies have shown a continued increase in colorectal cancer incidence among younger adults. Little is known about the factors that contribute to the development of young-onset colorectal neoplasia (CRN). Methods: A cross-sectional analysis was performed for individuals younger than 40 years who underwent colonoscopy in Seoul St. Mary’s Hospital and its affiliated health screening center. High-risk CRN was defined as adenoma or sessile serrated lesion ≥ 10 mm, with three or more adenomas, villous histology, high grade dysplasia, or carcinoma. Results: Of these 13,621 included participants, 2,023 (14.9%) had one and more CRN. Young patients with CRN tended to be elderly, male, obese, smoker, having a habit of drinking, and having comorbidities such as hypertension, dyslipidemia, diabetes, and chronic kidney disease. In a multivariate analysis adjusted for age, sex, obesity, smoking status, and alcohol intake, old age (odds ratio [OR], 1.086; 95% confidence interval [CI], 1.054 to 1.119), male sex (OR, 1.748; 95% CI, 1.247 to 2.451), obesity (OR, 1.439; 95% CI, 1.133 to 1.828), and smoking (OR, 1.654; 95% CI, 1.287 to 2.127) were independent risk factors for overall CRN. Obesity and smoking as two modifiable factors increased the risk for high-risk CRN even more than for overall CRN (OR, 1.734; 95% CI, 1.168 to 2.575 and OR, 1.797; 95% CI, 1.172 to 2.753, respectively). Conclusions: Obesity and smoking were modifiable risk factors for CRN in young adults. They increased the risk for highrisk CRN even more than for overall CRN. A colonoscopy might be beneficial for young individuals with these factors.

      • KCI등재후보

        법랑질 접착에 대한 습윤 효과

        고근호,조영곤,진철희,유상훈,김종욱,박병철,기영재,최희영,김종진 大韓齒科保存學會 2004 Restorative Dentistry & Endodontics Vol.29 No.3

        This study evaluated the microleakage and interfacial gap between enamel and composite resin under the dry and wet condition of the enamel surface, V shaped class 5 cavities were prepared on the occlusal portion of extracted human molars. Samples were divided into three groups: D group (air dry for 10-15s), BD group (blot dry with moist cotton pellet), and DR group (air dry for 10-15s and rewet with Aqua-Prep F for 20s). Cavities were filled using Aelitefil composite resin after applied One-Step. Microleakage was tested by 2% methylene blue dye solution and the data were statistically analysed by Kruskal-Wallis test and Mann-Whitney test. Also Enamel-resin interface was observed under SEM. Group BD showed statistically lower microleakage than group D (p〈0.05). but there was no statistically significant difference between group BD and DR (p)0.05). At the enamel-resin interface, group D showed the gap of 2 ㎛ thickness, but group BD and DR showed close adaptation. In conclusion, the use of blot dry and rewetting agent (Aqua-Prep F) resulted in decreased microleakage and improved adhesion between enamel and resin when using One-Step.

      • KCI등재후보

        영골(靈骨).강압혈(降壓穴) 자극(刺鍼)이 혈압(血壓)에 미치는 영향(影向)

        임영남,심성용,한지완,고호연,박종형,한양희,전찬용,김동우,Yim, Young-Nam,Sim, Sung-Yong,Han, Ji-Wan,Ko, Ho-Yeon,Park, Chong-Hyeong,Han, Yang-Hee,Chun, Chan-Yong,Kim, Dong-Woo 대한한방내과학회 2004 大韓韓方內科學會誌 Vol.25 No.2

        Objective : The purpose of this study is to evaluate the clinical effect of the non-pharmacological anti-hypertension method, acupuncture, for hypertensive patients. Methods : 26 patients diagnosed with hypertension were each treated by one of three methods: an anti-hypertension drug(adalat soft capsule), venepuncture, and acupuncture. In cases of rising blood pressure, patients were treated by their one of the three methods, and blood pressure was measured at regular intervals. Result : As for the group of acupuncture treated patients on Young-gol(ling-gu) and Gang-ap-hyul(jiang-ya-xue), readings dropped 18.0mmHg in systolic blood pressure and 6.50mmHg in diastolic blood pressure. This was a greater effect than that seen in the venepuncture treated patients. Blood pressure checked one hour after acupuncture treatment showed a greater difference than blood pressure checked after thirty minutes. Conclusion : Safe reductions in blood pressure were observed through the non-pharmacological method of acupuncture on Young-gol(ling-gu) and Gang-ap-hyul(Jiang-ya-xue).

      • 심한 골병변으로 발현된 기능성 낭종성 부갑상선 선종

        전숙,김영희,박지영,고관표,박철영,김덕윤,우정택,김성운,김진우,김영설,고석환 대한내분비학회 2003 Endocrinology and metabolism Vol.18 No.2

        낭종성 부갑상선 선종과 심한 골병변을 동반한 부갑상선 기능항진증은 매우 드문 질환으로서, 저자들은 양측 고관절의 통증을 초기 주소로 내원한 환자에서 고칼슘혈증과 부갑상선 호르몬 증가, 골병변의 방사선적 소견을 통해 부갑상선 기능항진증을 진단하고, 경부 초음파와 컴퓨터 단층 촬영, 부갑상선 스캔검사 및 수술중 부갑상선 낭종액 검사 등을 통해 기능성 부갑상선 낭종의 한 종류인 낭종성 부갑상선 선종을 진단하고 수술적 제거를 통하여 정상화된 1예를 경험하였다. A cystic parathyroid adenoma is rare. A case of primary hyperparathyroidism, with the cystic formation of a parathyroid adenoma and a severe bony lesion, is reported. A 52-year-old male was admitted due to pain in both hips and for evaluation of hypercalcemia. The plasma level of the intact parathyroid hormone (iPTH) was elevated to 1424 pg/mL. Ultrasonography and the computed tomography revealed a parathyroid cyst on the left thyroid lower pole. Parathyroid scintigraphy detected a parathyroid adenoma. A radiograph showed a subperiosteal bone resorption on the phalanges, and a brown tumor (osteitis fibrosa cystica) on the femur shaft was noted. A surgical excision of the parathyroid adenoma was performed. The PTH level in the cystic fluid was increased. A histological examination confirmed a cystic parathyroid adenoma. The PTH level was normalized after the operation (J Kor SOC Endocrinol 18:214-220, 2003).

      • 쪽파의 callus 배양에 의한 변이체 유기

        고영은,고찬훈,임순희,김현정,안장순 全南大學校 農業科學技術硏究所 1998 農業科學技術硏究 Vol.33 No.-

        A. wakegi Araki의 배발생 캘러스 유도에는 2,4-D의 단독 첨가가 보다 효과적이었으나 2,4-D의 농도가 높을수록 기형배의 배발생율이 높았다. BA를 혼합첨가하였을 때는 기형배가 보다 많이 발생하였다. 외식편의 부위별로는 경정, 인편, 엽조직 중, 경정이 배형성을 위한 외식편으로 가장 좋았으며 그 다음 인편, 엽조직 순으로 정상적인 배도 가장 많이 발생하였다. Sucrose 7%에서 배발생 callus 유도가 가장 좋았지만 기형 배의 발생율도 가장 높았다. 재분화 식물체의 염색체 변이는 인편유래 callus에서보다 경정유래 callus에서 높았다. Explant source, growth regulators and sugar contents in the culture media suitable for in vitro plant regenerations through somatic embryogenesis in Allium wakegi Araki were examined. Adition of 2,4-D alone was more effective on embryogenic callus induction than its addition in combination with BA. The embryogenic calluses induced on the media containing 2,4-D at high concentration or 2,4-D in combination with BA produced abnormal embryos at high frequency. Stem apex was the best explant source for normal embryo production, followed in order by scale and in vitro leaf segments. sucrose at 7% resulted in the best embryogenic callus induction though the callus produced abnormal embryos at highest frequency. The highest level of chromosomal variation was shown in the regenerants from the shoot apex-derived embryogenic callus.

      • KCI등재

        갈륨합금과 아말감의 전기화학적 부식거동 비교

        고영무,최한철,강성남,강희영,이승윤 대한치과기재학회 1998 대한치과재료학회지 Vol.25 No.3

        A gallium based alloy(GA) that was developed as a substitute for dental amalgam was investigated for electrochemical corrosion behavior in 4 kinds of electrolytes(1% lactic acid, 0.05% HCI, Modified Fusayama's artificial saliva, and 0.9% NaCl). The related corroded microstructure were examined and microanalyses were conducted using ICPES. Polarization tests were conducted by scanning from -1,500㎷ to 1,000㎷(vs.SCE) at 75㎷/min. The obtained results were as follows: 1. GA showed wide passivation area next to SYB in artificial saliva, suggesting good stability. 2. The amounts of Sn, Cu released from GA were similiar to those of CAV, and decreased in the order of KAT, SYB. 3. All of specimens were observed pits at the area of pores in electrolytes containing chloride ions, and forming much corrosion products in 1% lactic acid and artificial saliva after corrosion test. 4. From the surface analyses of XRD, GA showed much corosion products containing gallium at the surface after corrosion test. In conclusion, the corrosion resistance of GA was lower than that of SYB and similiar to that of CAV and KAT.

      • KCI등재후보

        산업폐수 슬럿지를 이용한 경량골재 개발에 관한 연구

        고영민,이내우,최재욱,우희철,신학기 한국산업안전학회 2002 한국안전학회지 Vol.17 No.1

        Among the disposal techniques of inorganic wastewater sludges from industries, most of sludges were dealed with buring underground inefficiently. But we have tried to recycle the resources that exhausted inorganic sludges were properly blended to certain ratioes to make lightweight aggregate, that means manufacturing of it can be possible through blending of various components, drying, sintering, cooling and crushing to certain sizes that are needed by consumers. As disposal method of inorganic wastewater sludge is changed to environmentally fraternative method, this method could be very useful to make lightweight aggregates for decoration of building and the other so many purposes of those usages. That could be economically useful due to expected income for buring costs of ordinary disposal method from industries and sales income after manufacturing it. The second important profit is saving foreign currency from purchasing self-developed lightweight aggregate instead of importing expensive foreign product. This product will be also very impressive to user because of the fraternative lightweight to be composed of apatite structure that is important part of human body.

      • KCI등재

        사춘기 초기 적응 교육과정 개발을 위한 요구 분석

        고영희,홍후조 안암교육학회 2012 한국교육학연구 Vol.18 No.2

        본 연구의 목적은 초등학교 고학년 사춘기 초기 적응을 위한 교육과정을 개발하기 위하여 요구를 파악하고, 향후 초등학교 고학년 사춘기 초기 적응을 위한 교육과정 기준을 마련하 기 위함에 있다. 이를 위해 사춘기의 개념과 선행연구를 간략히 개관하고, 초등학교 6학년 (276명), 고등학교 1-2학년(271명), 초등학교 5-6학년 담임교사(196명), 초등학교 6학년 학 부모(150명)를 대상으로 설문조사를 실시하였다. 연구 결과, 사춘기 초기 적응을 위한 교육 과정 내용으로 건강관리, 마음 다스리기, 정서.심리 변화, 사춘기의 자기 관리와 장래 설 계가 중요하다고 파악되었다. 사춘기 초기 적응을 위한 교육과정 내용의 가르칠 비중에서 는 친구 관계 향상 방법과 사춘기의 자기 관리와 장래 설계가 높게 수용되었다. The purpose of this study was to investigate the needs for development of early adolescence adaptation curriculum in Elementary school students in higher grades, and to suggest criteria of early adolescence adaptation curriculum for school teachers and parents. This study reviewed the concepts of puberty and prior studies about adolescent. Survey was carried out by asking a series of questions in the form of a questionnaire distributed to a group of the sixth grade students(276 persons), the eleventh-twelfth grade students(271 persons), the fifth-sixth grade teachers(196 persons) and parents of the sixth grade students(150 persons). The major findings of this study were as follows: It is concluded that early adolescence adaptation curriculum needs to be focused on health management, mind control, emotional and psychological change, self-management, and planning for the future. And proportion of teaching time is to be taken more for friend relationship, self-management, and planning for the future.

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