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진행된 HIV 감염 환자에서 십이지장의 미란성 병변으로 발현한 Mycobacterium genavense 감염 1예
진상만,박종선,김홍빈,오명돈,최강원,김희연,국윤호,김남중 대한감염학회 2007 감염과 화학요법 Vol.39 No.4
Mycobacterium genauense는 최근에 알려진 미코박테륨으로서, 식욕 부진, 체중 감소, 설사, 림프절 병증 등 파종성 Myocobacterium avium-intracellulare complex 감염과 유사한 임상상을 보이며, 위장관 침범을 잘 하는 것으로 알려져 있으나 아직 국내에서 증례는 보고된 바가 없다. 저자들은 진행된 HIV 감염 환자에서 십이지장의 미란성 병변으로 발현한 Mycobacterium genavense 감염 1예를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. 환자는 상복부 동통과 발열, 설사로 내원하였다. 십이지장의 미란성 병변에서 시행한 조직검사에서 항산균이 가득 차있는 거품세포가 관찰되었으며, 이 검체에서 16S rRNA 유전자의 중합연쇄반응 검사를 시행하여 Mycobacterium genavense를 확인하였다. Mycobacterium genavense, first identified in 1990, is known as a pathogen that mimics disseminated Myocobacterium avium-intracellulare complex (MAC) infection with particular propensity for the gastrointestinal tract. In Korea, no case with the organism has been reported. Herein we report a case of Mycobacterium genavense infection that manifested with erosive lesion of duodenum in a patient with acquired immune deficiency syndrome. The patient presented with epigastric pain and fever, diarrhea. Duodenal biopsy showed histiocytic infiltration with numerous acid-fast bacilli. Identification of the mycobacterial isolate by the polymerase chain reaction restriction analysis of 16S rRNA gene revealed Mycobacterium genavense.
간이식 환자에서 발생한 Aspergillus fumigatus에 의한 고관절염 1예
김탁,이상록,조오현,박기호,오련,이상오,김양수,우준희,김미나,최상호 대한감염학회 2008 감염과 화학요법 Vol.40 No.3
저자들은 간이식을 받은 환자에서 조직 배양 검사를 통하여 진단된 A. fumigatus에 의한 화농성 고관절염을 경험하였기에, 문헌 고찰과 함께 보고하는 바이다. Septic arthritis is an uncommon finding of invasive Aspergillosis. It can be caused by direct inoculation, Post-surgical infection, and hematogenous spread. Articular aspergillosis often involves the knee. A 49-year-o1d man who received a liver transplant in China on two months ago, due to liver cirrhosis caused by hepatitis B virus was admitted because of left side hip pain. Hip MRI showed joint effusion and bony destruction of the left hip and acetabulum. Incision and drainage was done and Aspergillus fumigatus was isolated from the resected tissue. After eight weeks of amphotericin B therapy, total hip replacement arthroplasty was done. Oral itraconazole 400mg/day was prescribed for six months after operation. The patient is now doing well without physical restriction.
Numerical modeling of non-capacity model for sediment transport by central upwind scheme
Sanae Jelti,Ayoub Charhabil,Jalila El Ghordaf 한국전산응용수학회 2023 Journal of applied mathematics & informatics Vol.41 No.1
This work deals with the numerical modeling of dam-break flow over erodible bed. The mathematical model consists of the shallow water equations, the transport diffusion and the bed morphology change equations. The system is solved by central upwind scheme. The obtained results of the resolution of dam-beak problem is presented in order to show the performance of the numerical scheme. Also a comparison of central upwind and Roe schemes is presented.
Sana Sheik,K. R. Chandrashekar 경희대학교 융합한의과학연구소 2018 Oriental Pharmacy and Experimental Medicine Vol.18 No.2
Endophytic fungi associated with leaf and stem samples of Humboldtia brunonis Wall, a dominant myrmecophyte, commonly known as ‘hasige mara’, endemic to the South Western Ghats of India were enumerated from two sites viz. Charmadi and Mangalore University arboretum and tested for antimicrobial activity. Aspergillus sp., Curvularia clavata, Curvularia pallescens, Debaromyces hansenii, Guignardia sp., Hypoxylon anthochroum, Meyerozyma caribbica, Paecilomyces lilacinus were found in leaf samples of H. brunonis. Alternaria alternata, Cunninghamella echinulata, Fusarium fusarioides, Fusarium oxysporum, Phanerochaete sp. were found in stem samples. Lasiodiplodia theobromae was commonly present in both the samples. The zone of inhibition by the endophytic fungi Curvularia pallescens isolated from H. brunonis for Candida albicans was up to 24 mm diameter, which is comparable to the inhibition by the antifungal standard Nystatin (24 mm). In seven endophytic fungi possessed free radical scavenging activity at 10 μg/ml, the highest being in C. pallescens extracts. In the present study, C. pallescens exhibited better antimicrobial and antioxidant activity compared to the other extracts. The presence of mycotoxin curvularin was reported in the partially purified fraction of C. pallescens.
Sana Arz BHUTTO,Yasir JAMAL,Asim RAFIQ,Kashif MEHMOOD,Munir HUSSAIN,Amjad ALI 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.12
This study aims to examine the role of training and absorptive capacity as a mediator to examine the impact of human capital dimensions on the performance of an organization. This study employs the quantitative approach for analysis. A sample of 208 respondents was collected from the textile factories based in Karachi and Faisalabad. Data was analyzed using the PLS-SEM technique. PLS-SEM algorithm was used to check the validity and reliability of the data. PLS-SEM bootstrapping was used for studying the impact. The results show that the skills have an insignificant impact on organizational performance. Education and skills have an insignificant indirect impact on the performance of an organization. The research findings show that the human capital dimensions are full and partially mediated via absorptive capacity and training. The findings revealed that if we implement one by one dimension of human capital then it will not cause any increase in the organization’s performance but if we implement all dimensions then it results in optimal performance. Thus, this study suggests adopting effective training techniques and creating absorptive capacity in an organization to increase the performance of an organization. The findings of this study significantly contribute to the existing body of knowledge.
The Role of Tourism in Economic Growth
Sana NASEEM 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.6
This research investigates the role of tourism in promoting economic growth in the Kingdom of Saudi Arabia. Annual data were collected from the World Bank for 2003–2019. Tested by basic statistics, correlation coefficient, unit root test by augmented Dickey-Fuller test and Phillips-Perron unit. Followed by Johansen co-integration test and finally, the co-integration regression test by fully modified ordinary least square (FMOLS), dynamic ordinary least square (DOLS) and Canonical co-integration regression (CCR). The stationarity test shows that tourism receipts, tourism expenditure, number of tourist arrivals, and economic growth become stationary at zero, and the first-order difference. Johansen co-integration test reveals long-run relationship among the parameters where economic growth is endogenous and others are exogenous variables. The FMOLS finding reveals that all the exogenous variables have a significant relationship, but the DOLS model reveals that two are significant out of three exogenous variables. Simultaneously, the CCR depicts that all the exogenous variables have a significant relationship with the endogenous variable. All the three co-integration models are significant and stable as predict by the Hansen Instability test and Jarque-Bera normality test. Hence, hypothesis 1 is accepted, and for hypothesis 2, the number of tourist arrivals has a strong relationship with economic growth compared to other parameters.
Sana Ullah,Henry Higgins,곽경섭 한국통신학회 2008 정보와 통신 Vol.25 No.2
지능형 센서, 마이크로전자공학 및 집적회로, SoC(system-on-chip) 설계와 저전력 무선통신의 급속한 발달로 소형 지능형 센서노드의 개발을 촉진하여 왔다. 이러한 센서 노드는 인체센서네트워크(Body Sensor Network;BSN)의 개발에 초석이 되며, 향후 이 분야의 급속한 발전을 기대하게 된다. 초 저전력 RF 기술의 발전은 침투식 및 비침투식 장치들이 원격 단말과 데이터 전송을 가능케 하며, 환자를 장기간 모니터링하여 의료 전문가에게 실시간으로 피드백함으로써 건강관리 시스템의 일대 혁신을 일으키고 있다. 본 기고에서는 이식형 의료 장치들간의 무선통신 방법과 BSN 분야에서의 최근 기술적 발전동향에 주안점을 두어, 인체 내장형 및 인체 부착형 통신 네트워크 구조를 파악한 후, 이들 분야에서 미해결쟁점과 난제에 관하여 분석하였다.