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Current Trends in Pediatric Minimally Invasive Urologic Surgery
Dennis J. Lee,Philip H. Kim,Chester J. Koh 대한비뇨의학회 2010 Investigative and Clinical Urology Vol.51 No.2
Over the past two decades, laparoscopic and robotic surgery in children has been described as a viable minimally invasive alternative to open surgery for many pediatric urologic conditions. With the goal of reducing the morbidity associated with open surgery, minimally invasive surgery in children is increasingly being performed as laparoscopic and robotic patients appear to be experiencing shorter hospital stays, decreased pain medication requirements, and the potential for improved cosmesis. This article provides an overview of the existing literature in laparoscopic and robotic-assisted laparoscopic urologic surgery in children. Laparoscopic and robotic-assisted laparoscopic surgery appears to be safe and effective in children for a wide range of ablative and reconstructive procedures. Conventional laparoscopic surgery is effective for ablative procedures, while robotic surgery may be ideally suited for reconstructive cases requiring advanced suturing and dissection. Overall, more prospective studies are needed to study the long-term outcomes of minimally invasive surgery in pediatric patients, and the appropriate use of the available technology.
Dennis Espineli Salcedo,Jung Hoon Lee(이정훈),Un Hwan Ha(하운환),Sungpyo Kim(김성표) 한국산학기술학회 2014 한국산학기술학회 학술대회 Vol.- No.-
The environment is endangered by the micro-contaminants that are left untreated found in the aquatic system due to human activities and inadequacy and inefficiency of waste water treatment facilities. This study investigated the effects of low levels of antibiotics to the biofilm formation resulting in enhanced Antibiotic Resistance Gene (ARG) transfer. The biofilm formations of Escherichia coli, Pseudomonas aeruginosa, their combination, and their mixture with ppb levels of antibiotics were investigated. The effects on the conjugation of E. coli with P. aeruginosa in the biofilm structure were evaluated using biofilm assay in 96-well plates and ELISA. At 100 ppb to 1000 ppb of antibiotics, the mixed culture has the highest biofilm biomass and transconjugants, values greater than controls. This experiment shows that ppb levels of tetracycline can alter the transfer rate of pB10 plasmid at rates 2 to 5 times faster than without antibiotics in the biofilm, indicating the facilitated ARG spread by the presence of some microcontaminant residues in the environment.
Dennis Nemzer 대한수학회 2006 대한수학회보 Vol.43 No.4
By relaxing the requirements for a sequence of func-tions to be a delta sequence, a space of Boehmians on the torus(Td) is constructed and studied. The space(Td) contains thespace of distributions as well as the space of hyperfunctions on thetorus. The Fourier transform is a continuous mapping from(Td)onto a subspace of Schwartz distributions. The range of the Fouriertransform is characterized. A necessary and sucient condition fora sequence of Boehmians to converge is that the corresponding se-quence of Fourier transforms converges inD0(Rd).
Dennis D. Trinidad 경남대학교 극동문제연구소 2007 ASIAN PERSPECTIVE Vol.31 No.2
The article examines the recent changes in Japan’s official development assistance (ODA) in Southeast Asia in response to domestic and international challenges after the cold war. It argues that Japan is in a position where it has to choose between “spending” and “earning” strategies in the disbursement of aid. Influenced by external and internal developments, Japan has tilted toward a “spending” approach over the last decade. Due to a limited ODA budget, Japan has to optimize the use of aid and disburse it more strategically. Also significant is the noticeable across-the-board increase in the grant allocation to Southeast Asia and Vietnam’s emergence as a major recipient.
Design of Personal Spiral Conjoint Analysis
Dennis Castel,Ryosuke Saga,Hiroshi Tsuji 대한산업공학회 2013 Industrial Engineeering & Management Systems Vol.12 No.3
In order to point out the best utility of a product (or a service), marketers need to clearly understand and measure the preference of the consumers. Among numerous marketing analysis techniques, the conjoint analysis is one of the popular tools for market research. One of the issues with this tool is the lack of feedback for the respondents. This paper proposes personal stepwise conjoint analysis based on an interactive Web-questionnaire allowing respondents to receive a diagnosis of their evaluation and giving the possibility to reconsider their evaluation. To validate our proposal, experimentation with forty-two respondents is also demonstrated. Experimental results, potential modifications and improvements are detailed in this paper.