성문하부 낭종으로 인한 소아 성문하부 협착 1예

오현석(Hyeon Seok Oh),이혜란(Hye Ran Lee),이재용(Jae Yong Lee),김재욱(Jae Wook Kim) 대한두경부종양학회 2018 대한두경부 종양학회지 Vol.34 No.2

Subglottic cysts have been reported as a relatively rare problem of pediatrics who have a history of premature birth and period of intubation. They may cause significant upper airway obstruction and many cases require tracheostomy to airway management. Endoscopic marsupialization by microinstruments or laser has been standard primary treatment but a high recurrence rate has been reported. A 19-month-old child presented with stridor who has history of ventilation via an endotracheal intubation in the newborn period for 7 days. Radiologic examinations were performed for aggravated dyspnea symptom and subglottic cystic mass was found, then it was marsupialized at operation room and tracheostomy was done at the same time. After decannulation of tracheostomy tube, there is no recurrence of cyst nor upper airway obstruction for 29 months. We report this case with a review of literature.

『니코마코스 윤리학』에서 친구와 행복 -9권 9장에 대한 한 해석-

오현석(Hyeon-seok Oh) 한국철학회 2020 철학 Vol.- No.145

본 논문은 아리스토텔레스의 『니코마코스 윤리학』(NE) 9권 9장에 대한 해석을 제시하고자 한다. 아리스토텔레스는 NE 9권 9장에서 행복한 사람에게도 친구가 필요한가라는 물음을 다루고 있다. 이 물음은 친구의 필요성이 행복의 자족성과 양립할 수 없는 것처럼 보이기에 문제된다. 본고는 이 물음을 ‘도덕적-이성석 관점’을 갖고 접근하고자 한다. 이 관점에 따르면 행복한 사람은 친구의 좋음을 지각함으로써 관조하고 사고할 수 있기 때문에 친구가 필요하다. 인식 활동의 대상으로서 친구가 필요할 뿐, 행복한 사람의 인식활동은 어디까지나 자족적이기 때문에, 친구의 필요성은 자족성과 어긋나지 않는다. 더 나아가, 이런 이성적 인식활동을 통해 친구의 좋음은 ‘좋음’으로 결정될 수 있고, 이런 결정은 또한 행복한 사람은 그러한 결정을 내리는 좋은 존재로서 스스로를 지각하게 만든다. 만약 친구가 없다면 행복한 사람은 스스로를 좋은 존재로서 지각할 기회를 상실하게 된다. In this article I shall propose an interpretation of Aristotle’s NE 9.9. Aristotle deals with the puzzling question, ‘Does the happy person need friend?’ This question is puzzling because the self-sufficiency of the happy person seems to be incompatible with the need of a friend. I try to approach this question in terms of the moral-rational view. According to this view, it is because he contemplates(theorein) and thinks(noein) by perceiving his ‘character friend’ that the happy needs a friend. The rational cognitive activity of the happy person is still self-sufficient, even if he needs a friend only as an object of his perception. Without a friend, his cognitive activity arises. Thus the need of a friend doesn’t run count to the self-sufficiency of the happy person. Furthermore, the goodness of the friend can be determined as good through the rational cognitive activity of the happy. This determination makes the happy perceive himself as being good as well. Without a friend, the happy person would lose the opportunity of perceiving himself as good.

팔굽혀 펴기 운동 시 지지면 간격에 따른 근 활성도 비교

오현석 ( Hyeon Seok Oh ),김지영 ( Ji Young Kim ),김경은 ( Gyeong Eun Kim ),이다희 ( Da Hee Lee ),유남우 ( Nam Woo Yoo ),최호정 ( Ho Jung Choi ),박평진 ( Pyeong Jin Park ),황현숙 ( Hyeon Suk Hwang ),김은혜 ( Eun Hye Kim ),강동연 ( 대한통합의학회 2013 대한통합의학회지 Vol.1 No.4

Purpose : The purpose of this study was to compare the muscle activities of infraspinatus, serratus anterior, upper trapezius, and triceps brachii in different supporting surface intervals during push-up exercise. Method : Subjects of the study were 18 healthy male students without any orthopedic or neurological injuries including neck and shoulder surgeries and can perform a push-up exercise required for the study. EMG was used to measure the muscle activities of four muscles. Result : There were statistically significant differences of all the muscles in three different supporting surface intervals(p<0.5). Muscle activity of upper trapezius was the highest(MVIC 39.40%) in the narrowest width and the lowest in the widest width. In infraspinatus, muscle activity was the highest(MVIC 36.23%) in the narrowest width and the lowest in the widest width. In serratus, muscle activity is the highest(MVIC 58.04%) in the widest width and the lowest in the narrowest width. In triceps brachii, muscle activity is the highest(MVIC 68.51%) in the widest width and the lowest in the narrowest width. Conclusion : Muscle activities are at the highest with the narrowest width in the upper trapezius and the infraspinatus. In the serratus and triceps brachii, however, muscle activities are at the highest with widest width.

『필레보스』의 예기 쾌락과 거짓 쾌락

오현석(Hyeon Seok Oh) 철학연구회 2015 哲學硏究 Vol.0 No.110

In this essay, I shall try to interpret the false pleasure in Plato’s Philebus. Most of studies have seen the false pleasure as the falsehood of cognition, which I call the cognitive understanding. Against this understanding, I attempt to explain the false pleasure as regards the process of change between pain and pleasure. As the belief which I thought it true turns out to be false, so could a certain pleasure in the soul lead to pain. I argue that the pleasure that I just mentioned is called false not because the pleasure is concerned with the judgment, but because Plato intends to show the transference of pleasure, which is believed as true(real), into pain, the opposite of pleasure. When pleasure is rashly dealt as connected with belief, we cannot grasp the process of change between pleasure and pain. In this essay, I shall also present the ethical meaning of the false pleasure in the Philebus on the basis of the anticipatory pleasure.

부갑상선 선종으로 인한 자발적 경부 혈종 1예

전경화(Gyeong Hwa Jeon),오현석(Hyeon Seok Oh),변형권(Hyung Kwon Byeon) 대한두경부종양학회 2021 대한두경부 종양학회지 Vol.37 No.2

Spontaneous cervical hematomas could lead to life-threatening complications, and aneurysms, retopharyngeal abscesses, parathyroid adenomas, laryngeal cysts, and neurogenic tumors should be distinguished as possible underlying causes. Symptoms accompanying spontaneous cervical hematoma include cervical swelling, ecchymosis, dysphagia, dyspnea and hoarseness. We recently experienced a case of spontaneous cervical hematoma in a 52-year-old woman, who initially presented with cervical swelling after severe coughing two days ago. Resultingly parathyroid adenoma was finally confirmed after mass excision. Therefore, we present this unique case with a review of the literature.

단일성 안와 골병변으로 확인된 갑상선 여포암의 원격 전이 1예

전경화(Gyeong Hwa Jeon),오현석(Hyeon Seok Oh),최인호(In Ho Choi),변형권(Hyung Kwon Byeon) 대한두경부종양학회 2021 대한두경부 종양학회지 Vol.37 No.2

Follicular thyroid carcinoma (FTC) is the second most common thyroid cancer, following papillary carcinoma. Metastasis to the orbital rim from FTC is very rare. We recently experienced a case of FTC with metastasis to the orbital rim in a 74-year-old woman, who initially presented with a huge thyroid mass and an asymptomatic solitary orbital rim lesion. The solitary orbital rim lesion was suspected to be a separate disease entity such as lymphoma from the preoperative imaging, but bone metastasis from FTC was finally confirmed after orbital rim resection and total thyroidectomy. During follow-up, the patient presented multiple bone metastasis, so the solitary orbital rim lesion was considered a clinical sign of systemic metastasis from FTC. Therefore, we present this unique case with a review of the literature.

야간온도 변화에 따른 망고의 생육단계 및 개화 특성

임찬규(Chan Kyu Lim),오현석(Hyeon Seok Oh),안현주(Hyun Joo An),전미경(Mi Kyoung Jeon) 한국원예학회 2020 한국원예학회 학술발표요지 Vol.2020 No.11

FIB 밀링을 이용한 나노스텐실 제작 및 나노패터닝

김규만(Gyu Man Kim),정성일(Sung Ill Chung),오현석(Hyeon-Seok Oh) Korean Society for Precision Engineering 2006 한국정밀공학회지 Vol.23 No.3

새우가공부산물을 이용한 속성 멸치액젓의 품질특성

김진수(Jin-Soo Kim),김혜숙(Hye Suk Kim),양수경(Soo Kyeong Yang),박찬호(Chan Ho Park),오현석(Hyeon Seok Oh),강경태(Kyung Tae Kang),지승길(Seung-Gil Ji),허민수(Min Soo Heu) 한국식품영양과학회 2006 한국식품영양과학회지 Vol.35 No.1

새우가공부산물의 효율적 이용과 멸치 액젓의 영양성 및 기호성의 강화 목적으로 새우가공부산물 첨가 멸치액젓(새우가공부산물 무첨가 및 10%첨가 멸치액젓의 경우 270일 숙성, 20% 및 30% 첨가 멸치액젓의 경우 180일 숙성)을 제조하여 엑스분 질소, 맛성분, 영양성분 및 관능검사에 대하여 분석 검토하였다. 멸치액젓의 엑스분 질소함량은 새우가 공부산물의 첨가량이 증가할수록 증가하는 경향을 나타내었으며, 맛의 주요성분을 살펴보기 위하여 omission test를 실시한 결과, 새우가공부산물의 첨가 유무에 관계없이 맛의 주성분은 유리아미노산이었고, ATP 관련물질 및 유기산 등의 성분은 맛에 보조적으로 관여하리라 판단되었다. 새우가 공부산물 첨가 멸치액젓의 유리아미노산 및 taste value의 결과, 멸치액젓의 맛은 모두 glutamic acid와 aspartic acid에 의하여 좌우됨을 알 수 있었고, 첨가비율이 증가할수록 proline, valine 및 histidine의 함량과 조성비가 감소하는 경향인 반면에, methionine, isoleucine, leucine, phenylalanine 및 lysine은 증가하는 경향이었다. 총 아미노산은 새우가공부산물의 첨가량에 관계없이 9,840~10,325 ㎎/100 g 범위였으며, 무기질 함량은 새우가공부산물의 첨가량이 증가할수록 칼슘, 인, 철 및 칼륨 모두가 증가하는 경향을 나타내어 새우가공부산물의 첨가에 기인함이 확인되었다. 또한 새우가공부산물 첨가 멸치액젓의 향, 맛 및 냄새에 대한 관능검사 결과, 쓴맛이 느껴지지 않으면서 새우 특유의 향을 느낄 수 있는 20% 첨가 제품이 가장 적절하였다. 멸치액젓의 제조시 새우가공부산물을 마쇄한 다음 첨가하여 숙성시키는 경우 맛, 향 및 영양 개선은 물론이고, 수산가공자원의 효율적인 이용 측면에서 의미 있는 결과를 얻었다. Nutritional quality of accelerated salt-fermented anchovy sauce using shrimp processing byproduct as fermenting aids was characterized and compared with commercial anchovy sauce. Four types of sauces were fermented with 0 and 10% addition of shrimp byproducts (24±2℃, for 270 days), and 20 and 30% addition of those (24±2℃, for 180 days), respectively. Extractive nitrogen content (1,431 to 1,569 ㎎/100 g) of anchovy sauces increased as additional ratios of shrimp byproduct increased. According to the results of ommission test, the taste of all anchovy sauces was influenced by the content of free amino acids, such as mainly glutamic acid and aspartic acid. Regardless of additional ratios of shrimp byproducts, all sauces were similar in total amino acid content (9,848~10,324 ㎎/100 g), which were 2 times higher compared to that of the commercial sauce. Proline, valine and histidine contents of sauces tend to decrease as the additional ratios of shrimp byproducts increased, whereas methionine, isoleucine, leucine, phenylalanine and lysine contents increased. Increase of some amino acids and mineral content of sauces by increasing of additional ratios was due to release from shrimp byproducts. Sensory evaluation showed that scores of color, flavor and taste of the sauce added with 20% shrimp byproducts were significantly higher than those of other sauces (p<0.05). In the useful utilization aspects of seafood processing byproducts, shrimp byproducts were good resource for accelerated fermentation and nutritional improvement in preparation of fish sauce.

고정밀 회전 및 축방향 이송을 위한 신개념 원통형 자기부상 스테이지

전정우(Jeong-Woo Jeon),MiticaCaraiani,이창린(Chang-Lin Lee),정연호(Yeon-Ho Jeong),김종문(Jong-Moon Kim),오현석(Hyeon-Seok Oh),김성신(Sungshin Kim) 대한전기학회 2012 전기학회논문지 Vol.61 No.12

In this paper, a conceptual design and a detailed design of novel cylindrical magnetic levitation stage is introduced. This is came from planar-typed magnetic levitation stage. The proposed stage is composed of cylinder-typed permanent magnet array and semi-cylinder-typed 3 phase winding module. When a proper current is induced at winding module, a magnetic levitation force between the permanent magnet array and winding module is generated. The proposed stage can precisely move the cylinder to rotations and translations as well as levitations with the magnetic levitation force. This advantage is useful to make a nano patterning on the surface of cylindrical specimen by using electron beam lithography under vacuum. Two methods are used to calculate required magnetic levitation forces. The one is 2D FEM analysis, the other is mathematical modeling. This paper shown that results of two methods are similar. An assistant plate is introduced to reduce required currents of winding module for levitations in vacuum. The mathematical model of cylindrical magnetic levitation stage is used for dynamic simulation of magnetic levitations. A lead-lag compensator is used for control of the model. Simulation results shown that the detail designed model of the cylindrical magnetic levitation stage with the assistant plate can be controlled very well.