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Krukenberg tumors of gastric origin versus colorectal origin
( Yi Jo Jeung ),( Hee Jae Ok ),( Won Gyu Kim ),( Sung Han Kim ),( Tae Hwa Lee ) 대한산부인과학회 2015 Obstetrics & Gynecology Science Vol.58 No.1
Objective The aim of this study is to compare the each clinical manifestation related with its mean survival time of Krukenberg tumors (KTs) of gastric origin versus with that of colorectal origin. Methods A total of 156 consecutive patients diagnosed with KTs of the ovary who underwent surgical treatment at a single institution between 2001 and 2010 were retrospectively evaluated. Each clinical manifestation related with its mean survival time compared two different groups. Survival analyses and comparisons were performed using the Kaplan- Meier method. Results Among the 156 patients with KT, 111 patients with KTs of gastric origin and 45 patients with KTs of colorectal origin were identified. For all patients with KTs, median survival time was 22.7 months. Each mean survival time among all patients with KTs of gastric origin and colorectal origin was 19.2 months and 27.3 months. The results showed that mean survival time of postmenopausal patients was 19.0 months compared with 32.5 months for premenopausalpatients (P=0.015). Among all patients, mean survival time of those with metachronous cancer was longer than those with synchronous cancer (P=0.001). In all cases, especially when only one ovary was invaded, the mean survival time was relatively higher (P=0.001). Conclusion Patients with KTs of colorectal origin had a better prognosis than those of gastric origin. In all cases of KT, the meansurvival time was significantly longer in postmenoposal patients, metachronous disease and unilateral ovarian involvement. Notably, synchronous, ascites positive, and ovary only metastasis showed more longer mean survival time in the KTs of colorectal origin than KTs of gastric origin.
The Effects of Modified Low-Dye Taping in the Patient with Heel Pad Atrophy
Tae Im Yi,Jae Won Shim,Hye Kyung, Ku,In Seok Seo,Won Seok Huh,Joo Sup Kim,Jun Sung Park 대한재활의학회 2011 Annals of Rehabilitation Medicine Vol.35 No.1
Objective To evaluate whether the change of heel pad thickness improves the pain after Modified Low-Dye Taping (MLDT) in the patient with heel pad atrophy. Method Thirty-five feet of 20 volunteers with heel pad atrophy were selected for the measurement of heel-pad thickness and compressibility index (CI) of the center of calcaneus bone using ultrasound. The subjects were laid in prone with the knees flexed to 90o, and an electronic body weight scale was inserted beneath the anterior surface of their knees to take measurements of both UHPT (unloaded heel pad thickness) and LHPT (6 kg-loaded heel pad thickness), which were repeated 3 times respectively. CI was calculated base on LHPT divided by UHPT. After MLDT, the same method was repeated. visual analogue scale (VAS) score was checked at first visit and followed up at second visit. Results Prior to MLDT, the average value of UHPT (cm), LHPT (cm) and CI value was 0.92±0.11, 0.25±0.06 and 0.27±0.04 respectively. After MLDT, the average was 1.24±0.17 for UHPT (cm) and 0.42±0.11, for LHPT (cm) while CI stood at 0.33±0.06. VAS before MLDT was 7.35±1.27 and after MLDT was 3.50±1.36, which presented 54% of decrease than initial. Conclusion It was confirmed that the average values of the heel-pad thickness, CI and VAS of patients with heel pad atrophy were improved for MLDT. Accordingly it is considered that application of MLDT is an efficacious treatment and thus further study is needed to develop foot orthoses for heel pad atrophy using the principle of MLDT.
Tae Woo Lim,Sang Hu Park,Dong-Yol Yang,Shin Wook Yi,Hong Jin Kong,Kwang-Sup Lee 대한기계학회 2005 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.19 No.11S
A Contour Offset Algorithm (COA) has been developed to fabricate nano-precision figures or patterns in the range of several microns by a nano-Replication Printing (nRP) process. In the nRP process, a femtosecond laser illuminated on photosensitive monomer resin to induce polymerization of the liquid monomer according to a volume pixel (voxel) matrix which is transformed from a two-tone (black and white) bitmap file. After two-photon absorbed photopolymerization (TPP), a droplet of ethanol is dropt on a glass plate to remove the unnecessary remaining liquid resin, leaving only polymerized patterns on the glass plate. In the nRP process, the replicated patterns do not precisely coincide with the initial designs due to an essential shortage of nRP process. Fabricated patterns by means of the nRP process become larger than the design in the amount of the voxel radius. In this work, an outer contour matrix of an initial design was constructed and reduced according to an offset-ratio calculated by the COA in order to obtain more precise patterns. Both the effectiveness and the accuracy of the proposed algorithm were demonstrated through chosen example.
Development of 3D statistical mandible models for cephalometric measurements
Sung-Goo Kim,Won-Jin Yi,Soon-Jung Hwang,Soon-Chul Choi,Sam-Sun Lee,Min-Suk Heo,Kyung-Hoe Huh,Tae-Il Kim,Helen Hong,Ji Hyun Yoo 대한구강악안면방사선학회 2012 Imaging Science in Dentistry Vol.42 No.3
Purpose: The aim of this study was to provide sex-matched three-dimensional (3D) statistical shape models of the mandible, which would provide cephalometric parameters for 3D treatment planning and cephalometric measurements in orthognathic surgery. Materials and Methods: The subjects used to create the 3D shape models of the mandible included 23 males and 23 females. The mandibles were segmented semi-automatically from 3D facial CT images. Each individual mandible shape was reconstructed as a 3D surface model, which was parameterized to establish correspondence between different individual surfaces. The principal component analysis (PCA) applied to all mandible shapes produced a mean model and characteristic models of variation. The cephalometric parameters were measured directly from the mean models to evaluate the 3D shape models. The means of the measured parameters were compared with those from other conventional studies. The male and female 3D statistical mean models were developed from 23 individual mandibles, respectively. Results: The male and female characteristic shapes of variation produced by PCA showed a large variability included in the individual mandibles. The cephalometric measurements from the developed models were very close to those from some conventional studies. Conclusion: We described the construction of 3D mandibular shape models and presented the application of the 3D mandibular template in cephalometric measurements. Optimal reference models determined from variations produced by PCA could be used for craniofacial patients with various types of skeletal shape.
( Sung Jun Jo ),( Hyeokpil Kwon ),( So Yeon Jeong ),( Sang Hyun Lee ),( Hyun Suk Oh ),( Taewoo Yi ),( Chung Hak Lee ),( Tae Gwan Kim ) 한국미생물 · 생명공학회 2016 Journal of microbiology and biotechnology Vol.26 No.9
Recently, bacterial quorum quenching (QQ) has been proven to have potential as an innovative approach for biofouling control in membrane bioreactors (MBRs) for advanced wastewater treatment. Although information regarding the microbial community is crucial for the development of QQ strategies, little information exists on the microbial ecology in QQMBRs. In this study, the microbial communities of biofilm were investigated in relation to the effect of QQ on anoxic/oxic MBRs. Two laboratory-scale MBRs were operated with and without QQ-beads (QQ-bacteria entrapped in beads). The transmembrane pressure increase in the QQ-MBRs was delayed by approximately 100-110% compared with conventional- and vacant-MBRs (beads without QQ-bacteria) at 45 kPa. In terms of the microbial community, QQ gradually favored the development of a diverse and even community. QQ had an effect on both the bacterial composition and change rate of the bacterial composition. Proteobacteria and Bacteroidetes were the most dominant phyla in the biofilm, and the average relative composition of Proteobacteria was low in the QQ-MBR. Thiothrix sp. was the dominant bacterium in the biofilm. The relative composition of Thiothrix sp. was low in the QQ-MBR. These findings provide useful information that can inform the development of a new QQ strategy.
Nutritional Status of Children with Cerebral Palsy
Tae Im Yi,Won Seok Huh,Hye Kyung Ku,In Seok Seo,Jae Won Shim,이가은,Joo Sup Kim,Jun Sung Park 대한재활의학회 2011 Annals of Rehabilitation Medicine Vol.35 No.1
Objective To determine the nutritional status of children with cerebral palsy (CP) and to compare their anthropometric and functional indices. Method Seventy children with cerebral palsy, were at class I (12), II (17), III (18), IV (9) and V (14) on Gross Motor Function Classification System (GMFCS). They varied by age from 25 to 130 months with a mean of 48 months, and consisted of spastic diplegic cerebral palsy (30), quadriplegia (28), triplegia (3), hemiplegia (4), athetoid (4) and hypotonia (1). Evaluation of weight, height, subcutaneous fat thickness, brachial circumference, Body Mass Index (BMI), level of albumin, lymphocyte and blood ferritn were conducted. To identify the factors affecting nutritional status, dietary status and symptoms of dysphagia were investigated. Results Low BMI percentile was in 23 children (32.9%) and obese condition in 3 children (4.3%). Low BMI percentile tends to frequently observed in groups III, IV, V of GMFCS. BMI percentile with subcutaneous fat thickness, Gross Motor Function Measure (GMFM) score were significantly related (p<0.05). Seen from the symptom of dysphagia, low BMI percentile was correlated with decreased tongue motion (p<0.05). Conclusion Cerebral palsy children with lower GMFM score, decreased tongue motion were significantly related with low BMI percentile. Subcutaneous fat thickness can be useful tool for evaluation of malnutrition of cerebral palsy children.
Physiological and Proteomics Analysis to Potassium Starvation in Rice
( Sang Gon Kim ),( Yi Ming Wang ),( Chang Hoon Lee ),( Yong Hun Chi ),( Keun Ki Kim ),( In Soo Choi ),( Yong Chul Kim ),( Kyu Young Kang ),( Sun Tae Kim ) 한국환경농학회 2011 한국환경농학회지 Vol.30 No.4
BACKGROUND: Potassium (K) is one of the macronutrients which are essential for plant growth and development. Its deficiency in paddy soils is becoming one of the limiting factors for increasing rice yield in Asia. METHODS AND RESULTS: To investigate physiological symptoms under K-starvation (NP) compared with complete media (NPK) condition, we measured shoot/root length, weight, nutrients, and patterns of protein expression. The shoot growth was significantly reduced, but root growth was not affected by K-starvation. However, biomasses were decreased in both shoot and root. Uptake of K was reduced up to 85%, while total concentrations of P, Ca, Mg, Na were increased in root and shoot. To better understand the starved K mechanism of rice, comparative proteome analysis for proteins isolated from rice leaves was conducted using 2-DGE. Five spots of differentially expressed proteins were analyzed by MALDI-TOF MS. Analysis of these K-starvation response proteins suggested that they were involved in metabolism and defense. CONCLUSION(s): Physiological and 2-DGE based proteomics approach used in our study results in observation of morphology or nutrients change and identification of K-starvation responsive proteins in rice root. These results have important roles in maintaining nutrient homeostasis and would also be useful for further characterization of protein function in plant K nutrition.