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Serological study of canine H3N2 influenza virus in dogs in 2016 - 2017, Korea
Seyeon Park(Seyeon Park),In-Ohk Ouh(In-Ohk Ouh),Ju-Yeon Lee(Ju-Yeon Lee),Min-Su Cho(Min-Su Cho),Byeong Sul Kang(Byeong Sul Kang),Soo dong Cho(Soo dong Cho),Jae Young Song(Jae Young Song) 한국예방수의학회 2017 한국예방수의학회 학술대회자료집 Vol.2017 No.-
Serological study of swine influenza A viruses in pig population in 2016 - 2017, Korea
Seyeon Park(Seyeon Park),In-Ohk Ouh(In-Ohk Ouh),Ju-Yeon Lee(Ju-Yeon Lee),Min-Su Cho(Min-Su Cho),Byeong Sul Kang(Byeong Sul Kang),Soo dong Cho(Soo dong Cho),Eun-Ju Kim(Eun-Ju Kim),Yeun-Kyung Shin(Yeun- 한국예방수의학회 2017 한국예방수의학회 학술대회자료집 Vol.2017 No.-
Isolation and phylogenetic analysis of swine influenza A viruses (H1N2) in Korea in 2016 - 2017
Seyeon Park(Seyeon Park),In-Ohk Ouh(In-Ohk Ouh),Ju-Yeon Lee(Ju-Yeon Lee),Min-Su Cho(Min-Su Cho),Byeong Sul Kang(Byeong Sul Kang),Soo dong Cho(Soo dong Cho),Eun-Ju Kim(Eun-Ju Kim),Yeun-Kyung Shin(Yeun- 한국예방수의학회 2017 한국예방수의학회 학술대회자료집 Vol.2017 No.-
Fingertip Force and Muscle Activation Patterns at Varying grasp Objects
Suji Park(Suji Park),Juhyun Park(Juhyun Park),Seyeon Oh(Seyeon Oh),Chaeyeon Heo(Chaeyeon Heo),Sieun Ho(Sieun Ho),Seonhong Hwang(Seonhong Hwang) 호서대학교 기초과학연구소 2022 기초과학연구 논문집 Vol.30 No.1
In this study, we tried to collect and analyze the kinetic and neurological information such as finger-tip forces and EMG for several representative (the most commonly used) grasp movements to explore their force and muscle activation patterns based on the newly defined grasp taxonomy. Ten able-bodied (five males, five females) volunteered to participate and they performed five different grasp tasks: holding a bottle (Bottle), turning a doorknob (Knob), cutting with a knife (Knife), brushing with a toothbrush (Toothbrush), holding a thick book (Book) after we attached five force sensitive resistor (FSR) sensors on the tip of fingers and four surface electromyogram (sEMG) electrodes on the lower arm of the subject’s dominant hand. Root Mean Square (RMS) and Mean Absolute Value (MAV) from the mean maximum values of sEMG(%) and fingertip force(kgf) of all ten subjects were extracted as features. The classification from the feature dataset using convolutional neural network (CNN) was applied and analyzed the results of accuracy and repeatability. The mean maximum values of EMG and fingertip forces during five different grasp tasks, and the MAV and RMS which were extracted features from the above were compared with task pairs. They showed significant differences in comparison of four pairs of tasks which were Bottle and Knife (p = 0.005 in both MAV and RMS), Bottle and Toothbrush (p = 0.005in both MAV and RMS), Bottle and Book (p = 0.013 in both MAV and RMS), Knob and Toothbrush (p = 0.047 in MAV and p = 0.028 in RMS). The classification accuracy of the Bottle grasp task was the largest at 60% (true positive predictive rate is 60% and false postive rate is 40%), while the other tasks showed an 30-40% of accuracy. Repeatability was 60% in the Bottle task and 50% in the Knob task, and those of the other tasks were ranged 30-40%. Overall, it is believed that the small number of samples in the study is the main reason of the low accuracy and repeatability of the classification. A total of nine variables (four sEMG and five forces) showed different significances in paired mean comparisons for five grasp tasks (graspping a bottle, turning a doorknob, cutting with a knife, brushing teeth with a toothbrush, holding a thick book). A comparison of the reduced variable from feature extraction also showed different classification accuracy for five grasp tasks.
Park Seyeon,Ahn Jisoo,Kim Hye-Jin,Choi Eun-Ji,김희영 대한마취통증의학회 2021 Korean Journal of Anesthesiology Vol.74 No.3
Background: Pierre Robin sequence (PRS) patients have an increased risk of difficult intubation due to anatomical airway abnormalities, and intubation simulation with a three-dimensional (3D) printed airway model before anesthesia may facilitate safe airway management. Case: We describe the case of a 6.5-year-old boy with a history of PRS (a triad of micrognathia, glossoptosis, and airway obstruction), tracheostomy, and subglottic fibrosis who required general anesthesia. Preparation for this potentially difficult intubation included estimation of endotracheal tube size using a 3D printed airway model derived from 3D computed tomography of the airway, which enabled successful endotracheal intubation via video laryngoscopy.Conclusions: If general anesthesia is necessary in patients with dysmorphic features such as PRS and there is a history of tracheal pathology, the possibility of difficult intubation should always be considered and simulation of endotracheal intubation using a 3D printed model of the airway can be helpful clinically in such situations.
Proteomic analysis to identify early molecular targets of pregabalin in C6 glial cells.
Park, Seyeon,Lee, Joomin Published for the International Federation for Cel 2010 Cell biology international Vol.34 No.1
<P>Pregabalin is a lipophilic amino acid derivative of gamma-amino butyric acid that displays anticonvulsant and analgesic activities against neuropathic pain. Although a role for glial cells as an important player in pain control and also as a new target for pain medicine has been suggested, the effect of pregabalin on glial cells has not been elucidated. In the present study, we have investigated the action of pregabalin on the glial cell proteome. To identify immediate early protein targets of pregabalin in glial cells, a differential proteomics approach in C6 rat glioma cells treated with pregabalin was used. Seven proteins that sensitively reacted to pregabalin treatment were identified using two-dimensional gel electrophoresis and MALDI-TOF-MS (matrix-assisted laser-desorption ionization-time-of-flight MS). The calcium-ion-binding chaperone, calreticulin, and the oxidative response protein, DJ-1, were up-regulated after pregabalin treatment. Hsp (heat-shock protein)-90-beta, cytoskeleton protein actin and myosin also showed quantitative expression profile differences. Functionally relevant to the proteome result, immediate actin depolymerization was observed after treatment with pregabalin. These results suggest a previously undefined role of pregabalin in the regulation of chaperone activity and cytoskeleton remodelling in glial cells.</P>
Park, Seyeon,Ahn, Eun Sook,Lee, Sukchan,Jung, Manyong,Park, Jin Hee,Yi, Sang Yeop,Yeom, Chang-Hwan Wiley Subscription Services, Inc., A Wiley Company 2009 Journal of cellular biochemistry Vol.106 No.6
<P>Tumor cells have an invasive and metastatic phenotype that is the main cause of death for cancer patients. Tumor establishment and penetration consists of a series of complex processes involving multiple changes in gene expression. In this study, intraperitoneal administration of a high concentration of ascorbic acid inhibited tumor establishment and increased survival of BALB/C mice implanted with S-180 sarcoma cancer cells. To identify proteins involved in the ascorbic acid-mediated inhibition of tumor progression, changes in the liver proteome associated with ascorbic acid treatment of BALB/C mice implanted with S-180 were investigated using two-dimensional gel electrophoresis and mass spectrometry. Eleven protein spots were identified whose expression was different between control and ascorbic acid treatment groups. In particular, Raf kinase inhibitory protein (RKIP) and annexin A5 expression were quantitatively up-regulated. The increase in RKIP protein level was detected in the tumor tissue and accompanied by an increase in mRNA level. Our results suggest a possibility that these proteins are related to the ascorbic acid-mediated suppression of tumor formation. J. Cell. Biochem. 106: 1136–1145, 2009. © 2009 Wiley-Liss, Inc.</P>
Design of HTS Modular Magnets for a 2.5 MJ Toroidal SMES: ReBCO vs. BSCCO
Seyeon Lee,Woo-Seok Kim,Sang-Ho Park,Ji-Kwang Lee,Chan Park,Joon-Han Bae,Ki-Chul Seong,Haigun Lee,Jong-Hoon Lee,Kyeongdal Choi,Songyop Hahn IEEE 2010 IEEE transactions on applied superconductivity Vol.20 No.3
<P>A 2.5 MJ HTS SMES is being developed as a national program in Korea. This paper presents design results of modular HTS magnets for the 2.5 MJ toroidal SMES. We considered a choice of BSCCO-2223 or ReBCO tapes as the conductors for the HTS magnets of the SMES. Operating temperature was decided to be 20 K which could be accomplished by conduction cooling with a couple of GM cryo-coolers. Key design factors may include minimization of total conductor requirement and low AC loss.</P>