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불소화계면활성제 함유 DPPC/Cholesterol 및 DPPG/Cholesterol 베지클의 BSA(bovine serum albumin)친화성 연구
권경옥,김명자,김현영 숙명여자대학교 자연과학연구소 1998 자연과학논문집 Vol.- No.9
본 연구에서는 항원(antigen). 항체(antibody) 등을 삽입시켜 자극반응성 베지클을 제조의 예비실험으로 대표적인 생체 단백질 BSA(bovine serum albumin)와 베지클의 친화도에 관해 알아보았다. DPPC(dipalmitoylphosphatidylcholine)/Chol, DPPG(dipalmitoylphos-Phatidylglycerol)/Chol,DPPC/Chol/FFS(ammonium pentadeca-fluorooctyrate)/FS(sodium bis(1H,1H,2H,2H-heptadecafluorodecyl)-2-sulfosuccinate), DPPG/Chol/ FFS/FS의 4종의 베지클을 제조하고, 제조된 4종의 베지클에 대해 column chromatography 법에 의해 BSA와의 흡착 여부를 확인했다. 실험 결과, 각 계의 베지클 입자크기는 BSA의 흡착으로 인해 감소하는 것으로 나타났고, 감소하는 정도는 DPPC/Chol와 DPPG/Chol에서 큰 것으로 나타났다. 반면, 제조된 계의 제타전위(ξ-Potential)값에는 거의 변화가 없었다. BSA와의 결합친화력의 비교에서는 DPPC/Chol. DPPG/Chol. DPPC/Chol/FFS/FS. DPPG/Chol/FFS/FS 순으로 낮아진다는 결과를 얻었다. 이들 실험결과에 바탕하여, 위의 4종의 베지클과 BSA와의 결합친화력에 대해 베지클의 표면전하와 베지클 막의 밀집성(compactness)이 영향을 미친다는 결론을 얻었다. The purpose of this study is to prepare a functional vesicle for the possible use as a biosensor. In this work, we have performed a preliminary experiment for biosensor, Four different systems of vesicle have been prepared with the composition of DPPC(dipalmitoylphosphatidylcholine)/Chol, DPPG (dipalmitoylphos-phatidylglycerol)/Chol, DPPC/Chol/FFS(ammonium pentadecafluoro-octyrate)/FS(sodium bis(1H,1H,2H,2H-heptadecafluorodecyl)-2-sulfosuccinate) and DPPG/Chol/FFS/FS. By use of column chromatography, it was found that BSA has been adsorbed onto the vesicle structure. The size of vesicle was found to decrease as adsorption occurs between the two species and the extent was greater in the systems of DPPC/Chol and DPPG/Chol. However, the δ-potential of the system remained essentially unchanged. The affinity of vesicle to BSA was found to decrease in the order of DPPC/Chol, DPPG/Chol, DPPC/Chol/FFS/FS and DPPG/Chol/FFS/FS. Based on these findings, it may be concluded that the affinity of vesicles onto BSA was affected by the surface charge and the compactness of vesicle.
기관내 삽관 후 발생한 기관 괴사와 협착증 : 증례보고 A case report
권진형,구자욱,유시현 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Tracheal necrosis and stenosis are rare complications of prolonged endotracheal intubation. A 62 years old female was performed cerebral aneurysmal neck clipping under general anesthesia via endotracheal intubation and transferred to the 12th intensive care unit. The patient was mechanically ventilated and tracheostomy was done on the postoperative day. Necrotic tissue, pus and stenosis were found around the ballooning site of the trachea. T-tube insertion was done on the both postoperative day and the patient was discharged on the 80th postoperative day.
신규간호사를 위한 맞춤형 멘토 프로그램(새싹프로그램)의 개발 및 적용 : 일개 대학병원 중환자실을 중심으로
권은옥,조정숙,송경자,최스미,장선주,김주희,박승현,신효연,유미,김정아 대한간호학회 간호행정학회 2009 간호행정학회지 Vol.15 No.4
Purpose: The purpose of this study was to develop specialized mentor program to improve adaptation for new nurses of intensive care unit and to identify the effect of the program on early resignation rate. Methods: The study adopted nonequivalent control group, non synchronized design. Based on the identification of problems and the needs of new nurses, a 6 month specialized mentor program was developed. The program was consisted of three parts; developing knowledge, improving interpersonal relationship and increasing coping competency for emergency situation. Data were collected between July 2006 and 2008 from 37 nurses and the early resignation rate was compared before and after the implementation of the mentoring program. Results: Early resignation rate of the nurses who received the mentor program was significantly lower than that of the nurses who didn't. The resignation rate within 1 year dropped from 44.5% to 8.3%(p=.034). Conclusions: The specialized six month mentoring program was effective in reducing early resignation rate.
체외충격파 쇄석술 시행 후 5년 뒤 발생한 요관 협착 및 농신장 1예
이현승,권균홍,조용건,김봉진,임창섭,김자영,허동,임학 고신대학교의과대학 2008 고신대학교 의과대학 학술지 Vol.23 No.4
A 40-years-old woman was admitted to this hospital with flank pain and high grade fever for 2 weeks. As a matter of her past history, extracorporeal shock wave lithotripsy (ESWL) was performed for treatment of renal stones 5 years ago. Her abdominal CT findings were hydronephrosis with pyonephrosis and renal stones. Antibiotics administered for 5 days had no effects on her symptom improvement. A right ureteral stricture was noticed by ultrasonography follow up. We inserted double J stent and continued antibiotics therapy for 10 days, and then her fever was disappeared and flank pain was improved. ESWL is one of the most important treatment of renal and ureteral stone. However, its complications should not be negligible including bleeding, pain, ureteral obstruction, infection and so on. Complications of ESWL can be divided into acute and chronic courses. When we treat pyelonephritis patient with past history of ESWL, possibility of ureteral stricture must also be considered. In this study we report a case of pyelonephritis caused by ureteral stricture, possibly as a chronic complication of ESWL performed 5 years earlier
간호실무에서 신봉이론(Espoused theories)에 대한 탐색적 연구
서문자,김혜숙,이은희,박영숙,조경숙,강현숙,임난영,김주현,이소우,조복희,이명하,지성애,하양숙,손영희,권성복,김희진,추진아 성인간호학회 2001 성인간호학회지 Vol.13 No.1
As a nursing practice involves nurses' actions in a specific context of health care, this study has focused on exploring the espoused theories in nursing practice within the action science perspectives, Espoused theories are the belief, principles, and rationale expressed by the practitioner as guiding her/his actions in a situation of practice. The data were analysed qualitatively and 25 elements of espoused theories of nursing action were identified and clustered into 6 categories. The 25 elements of espoused theories are as follows: The clinical nurse worked in wholistic and individual nursing, focussed on the patient's needed, comfort and supportive nursing (5 theories of nursing goal) ; excellent skills, knowledge based, assessment and data collection, explaining, educating or a scientific basis(6 theories of nursing intervention): advocacy, value oriented, treatment, account- ability and commitment(4 theories of nursing ethics) ; human respect. partnership, trust(3 theories of patient-nurse relationship) : knowledgable, accumulated clinical experiences and personally lived experiences. positive perspectives(4 theories of nurse), role of intervention. rewarding peer relationship(3 theories of situations) The above mentioned espoused theories are similar to that of nursing textbooks which students learned through basic nursing education and almost the same as the Acts ofa Nurse in Korean. However, we are doubtful whether nurses actually do as they think. Therefore. it is recommended to review the theories-in-use in order to and any discrepancies between the espoused theories and the reality of nursing actions
서문자,손행미,강현숙,권성복,김주현,박영숙,이은희,임난영,조경숙,지성애 성인간호학회 2002 성인간호학회지 Vol.14 No.4
purpose: This study was conducted to describe qualitatively the entities of nurse's experiences in general hospitals and to suggest basic data guiding research on developing Standards of clinical nursing practice in Korea. Method: Fourteen nurses working at general hospitals with over 300 beds in Seoul were interviewed in-depth until saturation using tape-recorders and transcription. Result: The central theme of clinical nursing practice experienced by subjects was "being with clients" that means accepting client's personal character, solving client's needs and providing client-centered nursing. A also "being with clients" was felt to be the responsibility of nurses which was learned from their nursing schools. The nursing strategies performed in order to be with patients were proving skillful nursing techniques, accepting, educating, emotional support, advocating, and self-reflecting, the subjects experienced somewhat problematic affects such as difficulties in interpersonal relationship, work overload, negative image of nursing, deficit of self-confidence for nursing actions, poor working conditions, and unfair treatment. Nurses at the hospital practiced with pride when they felt that they were accepted by clients. Conclusion: Further research is needed to analysis problems in clinical practice and the comparison of nurses' experiences of clinical practice, with nurses' experiences in various settings.
내시경역행성담췌관조영술 후 발생한 종격동기종, 피하공기증, 긴장성 기흉 1예
조용건,이현승,권균홍,김자영,김봉진,김지연,배용목,박선자 고신대학교의과대학 2008 고신대학교 의과대학 학술지 Vol.23 No.4
However, Endoscopic retrograde cholangiopancreatography (ERCP) is still helpful procedure for the diagonosis of the pancreatobiliary disease and treatment through endoscopic sphinterectomy (EST) is relatively safe, these have possiblity of complications such as hemorrhage, infection, panceatitis, and perforation. ERCP related perforation was rarely reported in 0.3 to 1.1% of previous study, but most serious complication. A report of Pneumomediastinum, Tension Pneumothorax complicating perforation after ERCP and EST is very uncommon. In our hospital, we experienced case of pneumomediastinum, subcutaneous emphysema, and tension pneumothorax after ERCP and EST, and the patient (a 58 years old female with suspicious common bile duct stone) was treated successfully with conservative treatment.