국내 의학용 스마트폰 앱의 분류 및 분석

신지윤, 김우현, 이태수 충북대학교 의과대학 충북대학교 의학연구소 2011 忠北醫大學術誌 Vol.21 No.2

-본문참고-

방광 크롬친화세포종과 동반된 배뇨후 벼락두통

하윤석,강성진,허소영,이지현,김민정,김종국,김광수 고신대학교 의과대학 2009 고신대학교 의과대학 학술지 Vol.24 No.1

Thunderclap headache is a hyperacute, severe headache that is so named because the pain strikes suddenly and severely, and is sometimes a sign of a medical emergency. We report a case of pheochromocytoma in the urinary bladder in a 48-year-old woman who presented with recurrent thunderclap headache after voiding and exercise. So we think thunderclap headache during or immediately after micturition may be an important diagnostic clue of bladder pheochromocytoma.

건축물 고형시료 중 석면 분석을 위한 방해 물질 제거방법에 대한 연구

김윤재,임지현,장봉기 순천향대학교 기초과학연구소 2021 순천향자연과학연구 논문집 Vol.27 No.1.2

In this study the following pretreatment methods are proposed using solid samples of buildings : furnace ashing methods according to the existing waste process, acid treatment after furnace ashing, acid treatment using graphite block acid circulation, a new method of attempting. This study propose a method for pretreatment of solid samples in buildings containing asbestos with a comparison of the asbestos analysis obstruction removal rates according to the above mentioned methods. The materials used in this study are 48 slates of 3 types and 48 textures of 3 types, total 96 samples which are solid samples in buildings. Pretreatment and acid treatment methods were classified in four ways: Electric high temperature furnace ashing methods according to the existing waste process and acid treatment with HCl(1+3)(Group A), Electric high temperature furnace ashing methods and acid treatment with aqua regia(HCl 3 : HNO3 1)(Group B), acid treatment with aqua regia(Group C) using graphite block acid circulation, a new method of attempting and acid treatment with inverse aqua regia(Group D). The removal rate of furnace ashing from slate samples in A and B treatment groups was 13.91%, and the removal rate of furnace ashing from texture samples in A and B treatment groups was 9.21%, so the removal rate of furnace ashing from slate samples was significantly higher than texture samples(p<0.001). The removal rate of asbestos analysis interfering substances from slate samples and texture samples in C treatment group with acid treatment with aqua regia using graphite block acid circulation were 30.50% and 30.58%, respectively. So in both slates and texture samples, the removal rate of asbestos analysis interfering substances from the slates and texture samples of A, B, and D treatment groups was significantly higher(p<0.001). The newly proposed acid treatment with aqua regia using graphite block acid circulation method in this study significantly eliminated more acid solubility material and asbestos analysis interfering substances than electric high temperature furnace ashing methods according to the existing waste process and acid treatment with HCl(1+3), and this method does not go through the process with high temperature furnace ashing, it is believed that asbestos analysis can be made easier by preventing changes in the characteristics of asbestos and the use of graphite block acid collection devices when acid treatment of solid samples in buildings containing large amounts of asbestos analysis interfering substances can be more effective than conventional methods.

구치의 1급, 2급 와동에 은 아말감, 구치용 복합레진, 복합레진 인레이로 수복시 치아의 파절저항성

안연실,김미자,이광원,손호현 全北大學校 齒醫學硏究所 1991 전북치대논문집 Vol.9 No.1

The purpose of this study was to evaluate the fracture resistance of the marginal ridge of posterior teeth with class Ⅰ & Ⅱ silver amalgam, posterior composite, and composite resin inlay. The seventy-two extracted caries free human upper premolars were divided into six groups. Class Ⅰ and Class Ⅱ cavities were prepared and filled with amalgam, light curing composite resin, and resin inlay. Fracture strength was measured at the marginal ridge with "Instron". The results were as follows ; 1. Class Ⅰ restorations were stronger than Class Ⅱ in amalgam and composite resin filled group(P<0.05). There was no statistically significant difference in strength between Class Ⅰ resin inlay and Class Ⅰ resin inlay. 2. In the Class Ⅰ and the Class Ⅱ restorations, the best fracture resistance obtained in resin inlay, followed by composite resin, amalgam(P<0.05). In the Class Ⅰ restorations, result was the same but had no significant difference. 3. Class Ⅰ composite resin and Class Ⅰ resin inlay were stronger than Class Ⅱ amalgam(P<0.05). 4. In the Class Ⅰ restorations, when the marginal ridge was fractured, only enamel or enamel/material were involved. In the Class Ⅱ composite resin and Class Ⅱ resin inlay, enamel/material or only material were involved. In the Class Ⅱ amalgam, only material was fracture.

혐오자극과 모델링 및 언어적 지시가 발달지체 아동의 상동행동에 미치는 효과 : 사례연구

한현민,함소희,김윤선,지지영,홍희영 대진대학교 교육연구소 2000 교육연구 Vol.2 No.1

The experiment was undertaken to determine the combined effects of aversive, modeling, and verbal instruction on the self-stimulatory stereotyped benavior exhibited by a three-year two-month old with developmental delay, The behavioral interventions were consisted of lemon juice(aversive), behavioral rehearsal(moleling), verbal instruction(prompting), and defferential reinforcement of incompatible behavior (DRI), and continued over 73 sessions. The data gathered across multitreatments design (A-BCD-A-BD-DE) were visually analyzed. The results revealed that all the treatments reduced the occurrences of stereotyped behavior, the significant differences among any interventions were not found, and more importantly, the behavior effects were maintained.

잔류응력 완화 중 나노접촉 형상의 천이거동 모델링을 통한 DLC 박막의 잔류응력 평가

李潤熙,池源宰,鄭增鉉,權東一 대한금속재료학회 2002 대한금속·재료학회지 Vol.40 No.7

Assessment of residual stress is an important point to prevent the failures of thin film devices. Nanoindentation technique was proposed as a stress-measuring method of thin film in a previous research. However, the stress-analyzing model used at the previous research had the problems of a partial deformation-irrelative stress interaction concept and no consideration of the change in the contact area during continuous stress relaxation. Therefore, we modified the model by analyzing a new residual stress-induced normal load based on deformation-dependent shear stress component and by calculating the continuous relaxation procedure as an integration method. The modified model was applied to evaluate the residual stresses in two diamond-like carbon films. The evaluated residual stresses from the newly modified model were more consistent with the results from the conventional curvature method than those from the earlier model.

정신분열병 환자의 유ㆍ소아기 발달 및 소아 청소년기의 병전 사회 적응에 대한 연구

문지현,우행원,김영철,연규월,김종원,임원정 大韓神經精神醫學會 1999 신경정신의학 Vol.38 No.6

연구목적: 주요 정신 질환 가운데 하나인 정신분열병은 병의 증상이 나타나기 훨씬 이전인 유아기 및 소아기 때부터 앉기, 서기, 걷기, 말하기, 대소변 가리기 등의 발달 양상과 언어 기능, 운동 기능 등의 양상에서 차이가 나며, 소아 청소년기의 적응 정도도 좋지 않다고 알려져 왔다. 본 연구에서는 대조군과 정신분열병환자군의 발병 전 과거 발달 과정과 병전 적응 정도를 비교하여 그 차이를 알아보고자 하였다. 방 법: 연구 대상은 이대부속 동대문병원 정신과에 입원하였던 환자들 중 정신과 진단 편람 제4판 진단 기준에 의거하여 정신분열병으로 진단 받은 환자군 56명(남자 26명, 여자 30명)과 대조군 51명(남자 25명, 여자 26명)이었다. 연구 방법은 환자와 환자 가족과의 직접 면담 및 병록지 검토를 통해 유아기 발달 과정의 주요 이정표 획득 시기, 소아기의 언어 기능과 운동 기능을 평가하였고, Lewis의 산과적 합병증 척도를 이용하여 출산 합병증을 평가하였으며, 병전 사회 적응 척도를 이용하여 소아 청소년기의 병전 적응 정도를 평가하였다. 사춘기 이차 성징 획득에 관한 정보는 Tanner stage에 기초하여 수집하였다. 결 과: 1) 출산시의 산과적 합병증은 환자군과 대조군에서 유의한 차이가 없었다. 유아기 발달 과정 상 환자군에서 처음 앉은 시기, 걸음마를 시작한 시기, 처음 문장을 말한 시기가 대조군에 비해 유의하게 지연되었다(p<0.05). 2) 소아기 발달 과정을 보면 언어 발달상의 문제는 환자군에서 유의하게 많았으나(p<0.05). 운동 기능 장애의 빈도는 두 군 사이에 차이가 없었다. 읽고 쓰기 시작한 연령은 환자군에서 지연되었다(p<0.05). 환자군에서 언어 기능 장애 및 운동 기능 장애의 빈도는 성별간의 차이를 보이지 않았다. 3) 소아기의 병전 적응 정도는 환자군에서 대조군에 비해 좋지 않은 편이었으나 유의하지 않았다(p=0.06). 반면 청소년기의 적응 정도는 환자군이 유의하게 좋지 않았다(p<0.05). 소아기와 청소년기 동안의 병전 적응 정도를 사회성 영역과 학업 영역으로 나누어 보았을 때 두 영역 모두 환자군에서 유의하게 좋지 않은 것으로 나타났다(p<0.05). 환자군에서 발병 연령이 빠를수록 병전 적응 정도가 좋지 않은 경향이 있었으나 통계적 유의성에는 이르지 못했다(Spearman`s coeff=-0.27, p=0.07). 4) 성별에 따라 살펴보았을 때 남자 환자가 여자 환자보다 학업 영역에서 좋지 않은 적응 정도를 보였다(p<0.05). Tanner Stage에 기초한 이차 성징의 발현은 두 군 사이에 차이가 없었다. 결 론: 이상의 결과를 종합하면, 환자군에서 유아기 발달 과정상 처음 앉는 시기와 걸음마를 시작한 시기 등의 운동 발달 영역과 처음 문장을 말한 시기 등 인지 발달 영역이 대조군에 비해 지연되며, 소아기의 언어 발달 과정에 문제가 있는 경우가 많았고, 읽고 쓰기 시작한 연령이 늦어지며, 발병 전 청소년기의 적응 정도가 대조군에 비하여 좋지 않았다. Objectives: Schizophrenia, one of the major mental illnesses, shows abnormal developmental patterns such as delayed developmental milestones, impaired language and motor function, and poor premorbid social adjustment long before the onset of clinical symptoms of illness. In this study, we tried to find out developmental patterns and premorbid adjustment during childhood and adolescence in schizophrenic patients. Methods: The subjects were 56 inpatients(26 male patients and 30 female patients) who met the diagnostic criteria for schizophrenia by DSM-Ⅳ and 52 healthy control subjects(25 male patients and 26 female patients). Interview with subjects and their families and the review of medical records were done to assess sociodemographic factors, timing of developmental milestones, language and motor function of childhood, and timing of sexual maturational events. Obstetrical Complication Scale of Lewis was used to get information on the subjects prenatal and perinatal history, and Premorbid Social Adjustment Scale(PSAS) to assess premorbid adjustment. Results: 1) There were no significant differences in the rates of obstetrical complications. The developmental milestones during infancy such as sitting, walking, age of first sentence were significantly delayed in the schizophrenics than in the controls(p<0.05). 2) Disturbances of speech and language development were significantly more common in the schizophrenics than in the controls(p<0.05), but there were no significant differences in the rates of disturbance in motor development. Mean ages of reading and writing were significantly delayed in schizophrenics than in the controls(p<0.05). No significant differences were found between males and females for either language disturbance or motor disturbance in the schizophrenics. 3) During adolescence, premorbid adjustment was poorer in schizophrenic patients(p<0.05). The schizophrenic patients scored significantly worse than the controls on both sociability and schooling domains(p<0.05). There was a trend for correlation between poor premorbid functioning and early age of onset, but it failed to achieve statistical significance(Spearman`s coeff=-0.27, p=0.07). 4) Male schizophrenic subjects showed poorer premorbid functioning on schooling domain than female schizophrenic subjects(p<0.05). No significant difference was recognized in timing of sexual maturational events between schizophrenics and controls. Conclusion: In summary, the schizophrenics were significantly delayed in infantile developmental milestones, impaired in development of language, delayed mean age of reading and writing, and showed poorer premorbid social adjustment than the controls.

SiCOI용 3C-SiC기판의 직접접합 특성

정연식,류지구,김규현,정귀상 경북대학교 센서기술연구소 2002 센서技術學術大會論文集 Vol.13 No.1

2002년과 2007년 건강검진 수진자 특성비교

김윤진,김영주,이정규,박현지 부산대학교 병원 암연구소 2009 부산대병원학술지 Vol.- No.25

Roxythromycin-tylosin-furaltadone 합제의 닭 유래 세균에 대한 시험관내 항균효과

김지영,채미경,윤효인,서상희,박배근,김현수,전무형 충남대학교 수의과대학 동물의과학연구소 2003 動物醫科學硏究誌 Vol.11 No.-

In vitro antimicrobial susceptibility of roxythromycin (Rx), tylosin (Tyl), erythromycin (EM) and furaltadone (Fur) was studied, either by the single type or the combinated type of Rx-Tyl-Fur (RTF) against E. co1i (30 strains), Staph. aureus (20 strains) and Mycoplasma gallisepticum (5 strains) that are the major pathogens in poultry farm. The paper disk diffusion and MIC tests were applied. In screening test by paper disk diffusion method, the single types of antibiotics showed the sensitivity against 55 strains of bacteria in order of Fur, EM, Rx and Tyl. The combinated RTF showed the higher rate of sensitivity (80∼83.3% at 64㎍/disk, 60-75% at 32㎍/disk) and wider range of growth inhibiting zone (19.6±3.7-24.8±4.7mm) than those of the single drugs. In MIC test, the sensitivity against the 55 strains appeared in order of Fur. EM, Rx and Tyl as similar to those of paper disk diffusion method. The MIC ranges of RTF were 0.125∼16㎍/ml for E. coli, 0.25∼16㎍/ml for Staph. aureus and 1-8㎍/ml for Myco. gallisepticum, showing evidently lower than those of the single types. The MIC_(50) and MIC_(90) of RTF were estimated l∼4㎍/ml and 8∼16㎍/ml, respectively, and remarkably lower than those of the single drugs.