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감염근관에서 Black-Pigmented Bacteria의 동정에 대한 연구
권은경,김은숙,곽주석,이황,이수종,임미경 大韓齒科保存學會 2002 Restorative Dentistry & Endodontics Vol.27 No.1
Black-pigmented bacteria have been implicated in the endodontic infections. This group of microorganisms includes Porphyromonass endodontalis, Porphyromonas gingicalis, Prevotella intermedia, and Prevotella nigresceus. The organisms display a wide variety of virulence factors that may be pertinent to acute endodontic infections. The aim of this study was to identify P.endodontalis, P.gingivalis, P.intermedia, and P.nigrescens by using special potency disk test, filter paper spot test, 16S rRNA gene-directed PCR, and API 32A. Microbial samples were collected from root canals of 33 intact teeth with necrotic pulp and/or apical periodontitis. Conventional laboratory methods were used for identification of the strains of black pigmented bacteria. Eighteen of 33 samples were positive for the growth of black-pigmented bacteria. Five colonies were cultured from each pure cultured colonies from Brucella agar plate. Seventy seven colonies were positive for the growth of black-pigmented bacteria. Thirty three of 77(42.6%) were identifed as P.nigrescens, 10 of 77(12.9%) were P.gingivalis, 6 of 77(7.8%) were P.endodontalis, 10 of 77(12.9%) were P.intermedia. On the contraty the reference strains of P.nigrescens, experimental strains of P.nigrescens was sensitive to kanamycin in special potency disk test. 16S rRNA gene PCR and API test after rapid presumptative identification methods. such as special potency disk test and filter paper spot test, would be accurate detection methods for black-pigmented bacteria.
남은우,박경화,허종,서종범,임부경,西野憲史,芭修一 고신대학교보건과학연구소 2001 보건과학연구소보 Vol.11 No.-
Since increasing number of the elderly, Korean society has discussed needs of long-term care insurance for them. Those Japanese experiences should give lots of implications to manage institutions for caring dementia patients in Korea. In the case of Japan, if hospitals hospitalized dementia elderly patients with strange behaviors (like wandering) over one third of all patients, the hospitals can take higher nursing care fee due to needs of special protective cares. Japanese long-term insurances allow dementia patients to the reconstructive fee of elder dementia wards in short-term intensive cares. This policy encompassed day care fee, hospitalization fee of a serious dementia patient and hospitalization fee for the elderly dementia patients. Long term care coverage of Japan (Kanbyoungin-ryo) reimburses long-term care assistance (a Japanese care manager, or Kaigo hoken staffs) but health insurance coverage of Korea do not have that coverage. As a result, all patients have paid that cost since Korean medical care law did not permit long term care hospitals and did not allow special reimbursement of staffs who work for long-term care. Thus, Korean medical care law should be revised and allow nursing fee (kanbyoungin-ryo) to health care organizations.
편입학생의 실태와 교육 모형 및 프로그램 개발을 위한 연구 : Development of educational model & counseling program
이숙임,이은경 이화여자대학교 교과교육연구소 1998 교과교육학연구 Vol.2 No.2
본 연구는 이화여대 편입학생의 효율적인 적응을 지도하기 위한 프로그램 개발과 교육체계 모형개발을 위한 연구를 목적으로 한다. 이를 위하여 편입학생에 대한 현황, 학력배경, 부모의 사치경제적 배경을 포함한 가정배경영역, 편입학과 관련되어 준비정도와 만족도 등을 알아보는 편입학 관련배경, 전공선택 배경 , 편입학 전후 학교 적응의 정도를 알아보는 적응영역, 편입학생 개인의 심리적 성향을 알아보는 심리적 특성영역, 그리고 편입학생 입학시험과 관련된 영역 등과 관련된 자료를 수집하는 실태조사를 시행하였다. 그리고 이 결과들을 토대로 편입학생의 효율적인 지도를 위한 교육모형과 지도프로그램의 내용을 제시하였다. 편입학생을 지도하기 위한 교육모형은 이들의 환경적 특성과 심리사회적 특성을 각 단계로 나누어 적응모형을 제시하였고 지도프로그램에서는 구체적인 정보제공과 심리적인 적응을 도울 수 있도록 구성하였다. 본 연구는 편입학생에 대한 자료가 파악되어 있지 않은 상태에서 편입학생의 기초적인 자료를 파악하여 편입학생들의 적응을 도울 수 있는 프로그램 구성에 초점을 두었다. 그러나 편입학생의 적응과 관련된 요인들을 밝히기 위해서는 앞으로 편입학생 적응과 관련된 프로그램의 효과연구, 편입학생들의 사회 적응 만족도 조사, 보다 심층적인 개별면접 등과 같은 후속연구가 뒤따라야 할 것이다. This study focuses on the development of the adjustment enriching program for the enrolled-student of university and educational model. In order to research, we surveyed the information of 440 enrolled-students of Ewha Womans University. The enrolled-student questionnaire consists of personal Information, academic background, family background, transfer readiness and satisfaction, major choice, school and personal life adjustment, psychological characteristics and opinion of entrance examination for enrolled-students. On the basis of the results of survey, educational model for effective guidance of enrolled-student and adjustment enriching programs are suggested. we divide two dimensions of adjustment of enrolled-student : environment-adjustment and psychosocial-adjustment. The counseling programs consists of giving major-specific and educational matters information, resolving conflicts in relationships, giving study skills and making positive self-concept and function as a healthy whole person in university. Despite some limitations, this study provides helpful data of enrolled-students in university. The extensive research such as the outcome of enrolled-student adjustment enriching program, social-adjustment satisfaction and intensive personal interview and counseling should allow the development of appropriate educational model for enrolled-student in university.
방성윤,최규연,박은희,강미경,김미경,이정재,이임순 순천향의학연구소 2005 Journal of Soonchunhyang Medical Science Vol.11 No.1
Short-rib polydactyly syndromes(SRPS) comprise a group of rare, generally lethal skeletal dysplasias. This group is manifested by short-limb short stature, short ribs with thorasic hypoplasia, and polydactyly. This heterogenous group of recessively inherited disorder has distinct imaging findings and ancillary findings on both pre-and postnatal assessments may enable individual cases to be classified into one of four subtypes : SRPS Ⅰ(Saldino-Noonan); SRPS Ⅱ (Majewski); SRPS Ⅲ (Verma-Naumoff); and SRPS Ⅳ (Beemer-Langer)1,2,3). All forms of the SRPS described to date are thought to be inherited in an autosomal recessive manner. There are difficulties in the clssification of these disorders because of the frequent overlap. We experienced one case of recurrent short-rib polydactyly syndrome and presented with review of literature.
Functional Identification of an 8-Oxoguanine Specific Endonuclease from Thermotoga maritima
Im, Eun-Kyoung,Hong, Chang-Hyung,Back, Jung-Ho,Han, Ye-Sun,Chung, Ji-Hyung Korean Society for Biochemistry and Molecular Biol 2005 Journal of biochemistry and molecular biology Vol.38 No.6
To date, no 8-oxoguanine-specific endonuclease-coding gene has been identified in Thermotoga maritima of the order Thermotogales, although its entire genome has been deciphered. However, the hypothetical protein Tm1821 from T. maritima, has a helix-hairpin-helix motif that is considered to be important for DNA binding and catalytic activity. Here, Tm1821 was overexpressed in Escherichia coli and purified using Ni-NTA affinity chromatography, protease digestion, and gel filtration. Tm1821 protein was found to efficiently cleave an oligonucleotide duplex containing 8-oxoguanine, but Tm1821 had little effect on other substrates containing modified bases. Moreover, Tm1821 strongly preferred DNA duplexes containing an 8-oxoguanine:C pair among oligonucleotide duplexes containing 8-oxoguanine paired with four different bases (A, C, G, or T). Furthermore, Tm1821 showed AP lyase activity and Schiff base formation with 8-oxoguanine in the presence of $NaBH_4$, which suggests that it is a bifunctional DNA glycosylase. Tm1821 protein shares unique conserved amino acids and substrate specificity with an 8-oxoguanine DNA glycosylase from the hyperthermophilic archaeon. Thus, the DNA recognition and catalytic mechanisms of Tm1821 protein are likely to be similar to archaeal repair protein, although T. maritima is an eubacterium.