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Search Results: 1 - 10 of 31896 matches for " Yoon Ju Jo "
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Successful recanalization of acute superior mesenteric artery thrombotic occlusion with primary aspiration thrombectomy
Hye Jin Yang, Young Kwon Cho, Yun Ju Jo, Yoon Young Jung, Seung A Choi, Suk Hoon Lee
World Journal of Gastroenterology , 2010,
Abstract: Prompt revascularization of the superior mesenteric artery (SMA) thrombotic occlusion can prevent intestinal infarction and decrease necrosis of the bowel segment. Herein, we describe two cases who underwent successful endovascular recanalization for acute SMA thrombosis using a primary aspiration thrombectomy because of possible consequent laparotomy for survey of bowel viability. The two patients had dramatic pain relief immediately after the procedure and remained symptom-free during the follow-up period.
A Study on the Performance of Android Platform
Hyeon-Ju Yoon
International Journal on Computer Science and Engineering , 2012,
Abstract: As the Android platform is widely used for embedded systems including smart mobile devices,the needs for systematic performance analysis have significantly increased. System performance is usually measured by benchmarks and profiler software. We studied on the performance of Android platform using a benchmark application and public profile software. For more detail and integrated performance analysis, we proposed a profiling architecture of Android platform.
High-Throughput Sequencing and De Novo Assembly of Brassica oleracea var. Capitata L. for Transcriptome Analysis
Hyun A. Kim, Chan Ju Lim, Sangmi Kim, Jun Kyoung Choe, Sung-Hwan Jo, Namkwon Baek, Suk-Yoon Kwon
PLOS ONE , 2014, DOI: 10.1371/journal.pone.0092087
Abstract: Background The cabbage, Brassica oleracea var. capitata L., has a distinguishable phenotype within the genus Brassica. Despite the economic and genetic importance of cabbage, there is little genomic data for cabbage, and most studies of Brassica are focused on other species or other B. oleracea subspecies. The lack of genomic data for cabbage, a non-model organism, hinders research on its molecular biology. Hence, the construction of reliable transcriptomic data based on high-throughput sequencing technologies is needed to enhance our understanding of cabbage and provide genomic information for future work. Methodology/Principal Findings We constructed cDNAs from total RNA isolated from the roots, leaves, flowers, seedlings, and calcium-limited seedling tissues of two cabbage genotypes: 102043 and 107140. We sequenced a total of six different samples using the Illumina HiSeq platform, producing 40.5 Gbp of sequence data comprising 401,454,986 short reads. We assembled 205,046 transcripts (≥ 200 bp) using the Velvet and Oases assembler and predicted 53,562 loci from the transcripts. We annotated 35,274 of the loci with 55,916 plant peptides in the Phytozome database. The average length of the annotated loci was 1,419 bp. We confirmed the reliability of the sequencing assembly using reverse-transcriptase PCR to identify tissue-specific gene candidates among the annotated loci. Conclusion Our study provides valuable transcriptome sequence data for B. oleracea var. capitata L., offering a new resource for studying B. oleracea and closely related species. Our transcriptomic sequences will enhance the quality of gene annotation and functional analysis of the cabbage genome and serve as a material basis for future genomic research on cabbage. The sequencing data from this study can be used to develop molecular markers and to identify the extreme differences among the phenotypes of different species in the genus Brassica.
Division Technique Training Tool for Problem Solving Methods of IPR  [PDF]
Gil Su Yoon, You Heon Kim, Sung Ju Lim
Creative Education (CE) , 2012, DOI: 10.4236/ce.2012.38205
Abstract: We have developed a training tool of division technique among 5 techniques in ASIT for problem solving method for Intellectual Property Right. Even though with its good capability, there were not yet an applicable training tool to use for division training because of its easy disassembled shape with small disturbance. To develop a division technique training tool, we have applied ASIT to game T. We have chosen game shape parts with magnetic rubber and board as the plate coated with zinc. The adhesive strength of the game shape parts to board is enough to keep fixed position even in turn down. Developed division training tool is expected to be used for the e-learning of problem solving training for student education and lifelong education. It is under Korean utility model application. E-learning with open resources including beneficial training for solving problem will be developed together with the foundation of life-long education. This division training device is proposed to younger generation as the educational auxiliary training tool for problem solving method. We are looking for the international cooperation with this division training tool. With the encouragement of this division training tool we have patented Korean patent of the lifting method of methane hydrate which can be extended to various fields of IPR.
Division Technique Training Tool for Problem Solving Methods of IPR  [PDF]
Gil Su Yoon, You Heon Kim, Sung Ju Lim
Creative Education (CE) , 2012, DOI: 10.4236/ce.2012.38B027
Abstract: We have developed a training tool of division technique among 5 techniques in ASIT for problem solving method for Intellectual Property Right.  Even though with its good capability, there were no applicable training tool to use for division training because of its easy disassembled shape with small disturbance. To develop a division technique training tool, we have applied ASIT to game T. We have chosen game shape parts with magnetic rubber and board as the plate coated with zinc. The adhesive strength of the game shape parts to board is enough to keep fixed position even in turn down. Developed tool is expected to use for the e-learning of problem solving training for student education and lifelong education. It is under Korean utility model application. E-learning with open resources including beneficial training for solving problem will develop together in foundation of life-long education. This division training device is proposed to younger generation as the educational auxiliary training tool for problem solving method. We have applied for Korean patent of the lifting method of methan hydrate which can be extended to various fields of IPR.
Analysis of Compactly Supported Nonstationary Biorthogonal Wavelet Systems Based on Exponential B-Splines
Yeon Ju Lee,Jungho Yoon
Abstract and Applied Analysis , 2011, DOI: 10.1155/2011/593436
Abstract: This paper is concerned with analyzing the mathematical properties, such as the regularity and stability of nonstationary biorthogonal wavelet systems based on exponential B-splines. We first discuss the biorthogonality condition of the nonstationary refinable functions, and then we show that the refinable functions based on exponential B-splines have the same regularities as the ones based on the polynomial B-splines of the corresponding orders. In the context of nonstationary wavelets, the stability of wavelet bases is not implied by the stability of a refinable function. For this reason, we prove that the suggested nonstationary wavelets form Riesz bases for the space that they generate. 1. Introduction For the last two decades, the wavelet transforms have become very useful tools in a variety of applications such as signal and image processing and numerical computation. The construction of classical wavelets is now well understood thanks to such pioneering works as [1–3]. Many properties, such as symmetry (or antisymmetry), vanishing moments, regularity, and short support, are required in a practical use for application areas. In particular, polynomial splines have been a common source for wavelet construction [1, 3–6]. A new class of compactly supported biorthogonal wavelet systems that are constructed from pseudosplines was introduced in [7]. Exponential B-splines and polynomials have been found to be quite useful in a number of applications such as computer-aided geometric design, shape-preserving curve fitting, and signal interpolation [8–10]. Exponential B-splines were used as a key ingredient for the construction of wavelets [11, 12] and particularly used in wavelet construction on and [13]. In particular, in the approximation and sparse representation of acoustic signals, polynomial-based (stationary) wavelet systems have an important limitation because they do not consider the spectral features (e.g., band limited) of a given signal. However, (non-stationary) wavelet systems based on the exponential B-spline can be tuned to the specific trait of the given signal, yielding better approximations and sparser representations than classical wavelets at strictly the same computational costs. Details on exponential splines can be found in the selected references [10, 11, 14–16]. Related studies on non-stationary wavelets can be found in [11, 12, 15, 17–22]. One natural and convenient way to introduce wavelets is to follow the notion of multiresolution analysis. However, because the refinement masks we are interested in are non-stationary (i.e.,
Aberrant phenotypes of transgenic mice expressing dimeric human erythropoietin
Seong-Jo Yun, Purevjargal Naidansuren, Bo-Woong Sim, Jong-Ju Park, Cha-Won Park, Tseeleema Nanjidsuren, Myung-Hwa Kang, Sue-Yun Hwang, Jong-Taek Yoon, Kwan-Sik Min
Reproductive Biology and Endocrinology , 2012, DOI: 10.1186/1477-7827-10-6
Abstract: A dHuEPO-expressing vector under the control of the goat beta-casein promoter, which produced a dimer of human EPO molecules linked by a 2-amino acid peptide linker (Asp-Ile), was constructed and injected into 1-cell fertilized embryos by microinjection. Mice were screened using genomic DNA samples obtained from tail biopsies. Blood samples were obtained by heart puncture using heparinized tubes, and hematologic parameters were assessed. Using the microarray analysis tool, we analyzed differences in gene expression in the spleens of tg and control mice.A high rate of spontaneous abortion or death of the offspring was observed in the recipients of dHuEPO embryos. We obtained 3 founder lines (#4, #11, and #47) of tg mice expressing the dHuEPO gene. However, only one founder line showed stable germline integration and transmission, subsequently establishing the only transgenic line (#11). We obtained 2 F1 mice and 3 F2 mice from line #11. The dHuEPO protein could not be obtained because of repeated spontaneous abortions in the tg mice. Tg mice exhibited symptoms such as short lifespan and abnormal blood composition. The red blood cell count, white blood cell count, and hematocrit levels in the tg mice were remarkably higher than those in the control mice. The spleens of the tg mice (F1 and F2 females) were 11- and -21-fold larger than those of the control mice. Microarray analysis revealed 2,672 spleen-derived candidate genes; more genes were downregulated than upregulated (849/764). Reverse transcriptase-polymerase chain reaction (RT-PCR) and quantitative real-time PCR (qRT-PCR) were used for validating the results of the microarray analysis of mRNA expression.In conclusion, dHuEPO tg mice caused excessive erythrocytosis that led to abnormal blood composition, short lifespan, and abnormal splenomegaly. Further, we identified 2,672 genes associated with splenomegaly by microarray analysis. These results could be useful in the development of dHuEPO-producing tg animals.
Asymptomatic lymphangioma involving the spleen and retroperitoneum in adults
Sook Hee Chung, Young Sook Park, Yun Ju Jo, Seong Hwan Kim, Dae Won Jun, Byoung Kwan Son, Jun Young Jung, Dae Hyun Baek, Dong Hee Kim, Yoon Young Jung, Won Mi Lee
World Journal of Gastroenterology , 2009,
Abstract: Lymphangioma, a benign neoplasm of the lymphatic system, is common in children but rare in adults. Its clinical manifestations include abdominal pain, nausea, vomiting and a palpable mass. However, abdominal sonography or abdominal computed tomography (CT) scan can also incidentally reveal lymphangioma. A larger or symptomatic lymphangioma is treated with total resection to prevent recurrence, infection, torsion and enlargement. Although lymphangioma rarely becomes malignant, its prognosis is generally good. We report a cystic lymphangioma of the spleen and retroperitoneum, which was incidentally found in a 56-year-old man who was hospitalized due to a colon mass. Physical examination showed no specific findings. Abdominal CT revealed a 5.7 cm, non-enhanced multilobulated cystic mass with multiple septa in the spleen and a 10 cm lobulated cystic mass in the paraaortic area. Splenectomy and retroperitoneal resection of the cystic mass were conducted. The endothelium of splenic and retroperitoneal cyst was immunohistochemically stained with D2-40 antibody. The patient was finally diagnosed with splenic cystic and retroperitoneal cavernous lymphangioma.
Clinical implications of fatty pancreas: Correlations between fatty pancreas and metabolic syndrome
Jun Seok Lee, Sang Heum Kim, Dae Won Jun, Jee Hye Han, Eun Chul Jang, Ji Young Park, Byung Kwan Son, Seong Hwan Kim, Yoon Ju Jo, Young Sook Park, Yong Soo Kim
World Journal of Gastroenterology , 2009,
Abstract: AIM: To investigate the clinical implications of lipid deposition in the pancreas (fatty pancreas).METHODS: The subjects of this study were 293 patients who had undergone abdominal computed tomography (CT) and sonography. Fatty pancreas was diagnosed by sonographic findings and subdivided into mild, moderate, and severe fatty pancreas groups comparing to the retroperitoneal fat echogenicity.RESULTS: Fatty pancreas was associated with higher levels for visceral fat, waist circumference, aspartate aminotransferase (AST), alanine aminotransferase (ALT), total cholesterol, triglyceride, high density lipoprotein, free fatty acid, γ-GTP, insulin, and the homeostasis model assessment of insulin resistance (HOMA-IR) than the control group (P < 0.05). HOMA-IR, visceral fat, triglyceride, and ALT also tended to increase with the degree of fat deposition in the pancreas on sonography. In a multivariate logistic regression analysis, HOMA-IR, visceral fat, and ALT level were independently related to fatty pancreas after adjustment for age, body mass index, and lipid profile. The incidence of metabolic syndrome in the fatty pancreas group was significantly higher than in the control group, and the numbers of metabolic syndrome parameters were significantly higher in the fatty pancreas group (P < 0.05).CONCLUSION: Sonographic fatty pancrease showed higher insulin resistance, visceral fat area, triglyceride, and ALT levels than normal pancreases. Fatty pancreas also showed a strong correlation with metabolic syndrome.
Endogenous Endophthalmitis Associated with Facial Cellulitis After a Tongue Bite  [PDF]
Min Ho Kang, Mincheol Seong, Ju Hak Lee, Hee Yoon Cho
Open Journal of Ophthalmology (OJOph) , 2012, DOI: 10.4236/ojoph.2012.23018
Abstract: Endogenous endophthalmitis is an intraocular infection that results from hematogenous spread of organisms from a distant source of infection. Facial cellulitis is rarely reported as a focus of infection. We report a case of 51-year-old unconscious woman presenting with fever, facial swelling, and decreased visual acuity secondary to facial cellulitis, endogenous endophthalmitis and end-stage renal disease(ESRD). Generally systemic antibiotics in endophthalmitis have low efficacy because of the blood-ocular barrier. The management of endophthalmitis begins with intravitreal antibiotic injections and if the response is not favorable to do a vitrectomy. Twelve hours after the intravitreal antibiotic injection, vitrectomy was considered because of worsening of the vitreal cloudiness. However, the patient's general medical condition precluded vitrectomy. We experienced successful treatment with intravitreal antibiotic injection and continuous intravenous antibiotic administration because of the breakdown of the blood-ocular barrier due to ocular inflammation, especially in the setting of systemic vascular and fluid homeostatic changes.
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