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홍상준,최가혜,송인선,Hong, Sang-June,Choi, Ka-Hye,Song, In-Sun 대한한방소아과학회 2009 대한한방소아과학회지 Vol.23 No.3
Objectives The study was designed to report the clinical effects of scalp acupuncture on autistic children. Methods These patients were treated by scalp acupuncture. We observed the improvement of his disease through K-CARS and E-CLAC tests. Results By using scalp acupuncture, we could make a considerable improvement of autistic score(K-CARS). Conclusions The above results suggest that scalp acupuncture can be an effective treatment for autistic children.
홍상준,김윤영,이동진,이석원,유정훈 한국소음진동공학회 2004 한국소음진동공학회 논문집 Vol.14 No.10
There have been lots of efforts to analyze the dynamic characteristics of mechanical systems. However, it is difficult the know the dynamic characteristics of mechanical systems composed of many parts with joints. Specially, in case of a bolted Joint structure, no effective modeling method has been defined to acquire dynamic characteristics of the structure using the finite element (FE) analysis. In this research, a linear dynamic model is developed for bolted feints and large interfaces using con frusta method and linear spring elements, respectively. The developed modeling method for bolted joints is verified based on the experimental result.
홍상준,최가혜,송인선,Hong, Sang-Joon,Choi, Ga-Hye,Song, In-Sun 대한한방소아과학회 2011 대한한방소아과학회지 Vol.25 No.2
Objectives: The purpose of this study is to investigate the effect of Intranasal acupuncture treatment in allergic rhinitis patients. Methods: This study was carried with the 42 pediatric allergic rhinitis who had been treated in our hospital. Inner young-hyang was used for the intranasal acupuncture points. Their nasal cavity was observed via anterior rhinoscopy. We induced patient's inferior turbiante bleeding by acupuncture. Patients nasal symtoms and QOL(quality of life) were assessed by the Total Nasal Symptom Score(TNSS) and Quality of Life Questionnaire for Korean Rhinitisian(QLQKR). Results: Total Nasal Symptom Score(TNSS) and Quality of Life Questionnaire for Korean Rhinitisian(QLQKR) were significantly improved. Conclusions: Intranasal acupuncture treatment is relatively effective in treating pediatric allergic rhinitis.
홍상준,최가혜,송인선,이철휘,Hong, Sang-Joon,Choi, Ka-Hye,Song, In-Sun,Lee, Chul-Hwi 대한한방소아과학회 2010 대한한방소아과학회지 Vol.24 No.3
Objectives: The purpose of this study is to report two cases of adolescent patient with structural spinal scoliosis treated by Chuna therapy. Methods: We examined two adolescent patients with an X-ray examination. These patients were diagnosed with structural scoliosis, and we used acupuncture and Chuna method at these patients. Cobb's angle and VAS(Visual Analogue Scale) were used to evaluate effects of the treatment. Results and Conclusions: After the treatment, we got these improvement results : In one case, the Cobb's angle was improved by $8.4^{\circ}$ ($19^{\circ}$ to $10.6^{\circ}$) at thoracic level (44.2% correctability) and VAS has been changed from 5 to 1-2. In another case, the Cobb's angle was improved by $4.3^{\circ}$($11.3^{\circ}$ to $7^{\circ}$) at lumbar level(38.0% correctability) and VAS has been changed from 7 to 1-2.
셀룰로오스 기반 생분해성 고분자 복합재의 물성 증가에 관한 연구
홍상준 ( Sangjun Hong ),이아정 ( Ajeong Lee ),주상현 ( Sanghyeon Ju ),신영은 ( Youngeun Shin ),박태훈 ( Teahoon Park ) 한국복합재료학회 2023 Composites research Vol.36 No.2
기존의 상용 플라스틱으로 인한 환경 오염에 대한 우려가 높아지면서 대체 재료로서 생분해성 고분자에 대한 연구가 주목을 받고 있다. 본 연구는 생분해성 열가소성 수지인 폴리 젖산에 유기 핵제의 도입으로 물성 강화 및 100% 생분해 가능한 나노복합재 개발을 목표로 한다. 그에 따라 무기 핵제의 대체재로 친환경 소재인 셀룰로오스 나노섬유를 채택하였다. 폴리 젖산 내 셀룰로오스 나노섬유의 균일한 분산을 위해 동결 건조 방식으로 나노화된 섬유 형상을 유지시켰으며, 이축압출기로 1차 교반을 진행하고, 사출 성형을 통해 이중 교반된 물성 시험용 시편을 제작하였다. 보강된 결정성을 확인하기 위해 시차주사 열량분석법을 사용하였고 1 wt%의 셀룰로오스 나노섬유가 보강재 및 핵제로서 작용하여 냉결정화온도가 약 14oC 가량 감소하며, 결정화되는 정도 또한 증가한 것을 확인하였다. 본 연구는 기존 생분해성 고분자의 무기 핵제를 유기 나노소재로 대체함으로써 100% 생분해 가능한 친환경 나노복합재 개발하여 강화된 물성의 플라스틱 소재 개발을 위한 친환경적 대안을 제시한다. Growing environmental concerns regarding pollution caused by conventional plastics have increased interest in biodegradable polymers as alternative materials. The purpose of this study is to develop a 100% biodegradable nanocomposite material by introducing organic nucleating agents into the biodegradable and thermoplastic resin, poly(lactic acid), to improve its properties. Accordingly, cellulose nanofibers, an eco-friendly material, were adopted as a substitute for inorganic nucleating agents. To achieve a uniform dispersion of cellulose nanofibers (CNFs) within PLA, the aqueous solution of nanofibers was lyophilized to maintain their fibrous shape. Then, they were subjected to primary mixing using a twin-screw extruder. Test specimens with double mixing were then produced by injection molding. Differential scanning calorimetry was employed to confirm the reinforced physical properties, and it was found that the addition of 1 wt% CNFs acted as a reinforcing material and nucleating agent, reducing the cold crystallization temperature by approximately 14oC and increasing the degree of crystallization. This study provides an environmentally friendly alternative for developing plastic materials with enhanced properties, which can contribute to a sustainable future without consuming inorganic nucleating agents. It serves as a basis for developing 100% biodegradable green nanocomposites.
황색포도상구균 감염에 의한 어린 말티스의 자궁축농증 증례
홍선화 ( Sun Hwa Hong ),정영호 ( Yung Ho Chung ),한상준 ( Sang Jun Han ),김옥진 ( Ok Jin Kim ) 한국동물위생학회 2012 한국동물위생학회지 (KOJVS) Vol.35 No.1
An 8-months-old young Maltese bitch was presented for investigation of anorexia and occasional vomiting. The body weight was 2 kg. Abdominal sonography demonstrated abnormal enlargement of uterus. The dog had been clinically and pathologically examined. Also, ovariohystectomy was performed. Staphylococcus aureus was identified in the pus-like materials of the uterine lumen. This case was confirmed as pyometra induced by Staphylococcus aureus. Gross examination of the dissected uterus revealed enlarged uterine horn, which had yellowish or brownish pus-like materials in the lumen. Also, there was several segments formation between the enlarged areas of left and right uterine horns. Histopathologically, endometritis and necrosis were present in uterine wall. The bitch made a complete recovery following an ovariohystectomy. This case was spontaneous pyometra induced by Staphylococcus species. On our knowledge, this is a very rare report of pyometra occurrence in young dog and Staphylococcus species-induced pyometra. This study may provide a valuable data on the study of canine pyometra.