알레르기성 비염 환자들의 음향음성학적 특성 및 음성장애지수

김성태,최승호,노종렬,이봉재,심미란,김상윤,남순열,Kim, Seong-Tae,Choi, Seung-Ho,Roh, Jong-Lyel,Lee, Bong-Jae,Shim, Mi-Ran,Kim, Sang-Yoon,Nam, Soon-Yuhl 대한후두음성언어의학회 2007 대한후두음성언어의학회지 Vol.18 No.1

Background and Objectives: There are few studies reported that specifically examine the phonetic characteristics and voice handicap index (VHI) in patients with Allergic Rhinitis. This study was designed to examine phonetic characteristics and VHI in adult patients with allergic rhinitis. Materials and Methods: Forty-two male patients diagnosed as allergic rhinitis were given skin-prick test and others, aged from 20 to 56 years, and were compared with a 16 male control group with no pathology and in the same age group. The VHI was used to measure the changes of patient's perception. Acoustic and aerodynamic analysis test were done, and a nasalance test performed to measure rabbit, baby, and mother passage. Acoustic rhionometry (AR) was performed to evaluate nasal volume and nasal crosssectional area. Statistical analysis was done using independent sample t-test. Results: VHI showed significantly different score in the studied group, higher than that of control group. AR graph showed that there was no significant differences of nasal volume and nasal cross-sectional area. The Shimmer and SFF value in the group of allergic patients were higher than in the control group. MPT value in the group of allergic patients was lower than in the control group. Nasalance in allergic patients showed hypernasality all passage. Conclusion: We suggest that patients with allergic rhinitis have considerable voice problems. Most of them have hypernasality, which may be a compensatory mechanism by nasal obstruction.

스파인코 보조기의 척추 측만증에 대한 효과 고찰

김성태,나은지,권민구,황춘호,김민성,박진우,성인형,조희근,설재욱,Kim, Seong-Tae,Na, Eun-Ji,Gwon, Min-Goo,Hwang, Chun-Ho,Kim, Min-Seong,Park, Jin-Woo,Sung, In-Hyung k.,Jo, Hee-Geun,Sul, Jae-Uk 척추신경추나의학회 2015 척추신경추나의학회지 Vol.10 No.1

Objectives : To evaluate the clinical effectiveness of Flexible brace(SpineCor Brace). Methods : CNKI, PubMed databases and Korean Journal of Oriental Medicine in 1999-2014 were searched for studies on SpineCor. This study researched 4 randomized controlled trial studies. Results : The results suggested that the SpineCor brace reduced the probability of the progression of early idiopathic scoliosis comparing with its natural history or rigid brace. But some studies showed that there is no significant difference between SpineCor and rigid brace. Conclusions : These results indicate that SpineCor have obvious effects on treatment of scoliosis and no adverse reactions, therefore we need to study more researches on SpineCor.

무선전력전송을 위한 에어 코어 기반의 트랜스포머 제작

김성태,차두열,강민석,조세준,장성필,Kim, Sung-Tae,Cha, Doo-Yeol,Kang, Min-Suck,Cho, Se-Jun,Jang, Sung-Pil 한국전기전자재료학회 2009 전기전자재료학회논문지 Vol.22 No.1

Air core based transformers have been designed, simulated and fabricated by using micromachining process for the application of wireless power transmission with the range of frequency from 1 GHz to 20 GHz. Fabricated transformers are the types of solenoid transformers with primary and secondary coils. the size of fabricated transformer is $1.1{\times}1.5{\sim}2.15\;mm$ including ground shield. Transformers have been measured by dividing two groups based on the turns ratio between primary coil and secondary coil which are 1:1 transformers(the number of turns of primary coil and secondary coil: 3/3, 5/5, 7/7) and l:n transformers(the number of turns of primary coil and secondary coil: 3/3, 3/6, 3/9). As a result of the measurement, the lowest insertion loss of transformers ranged from 2 dB to 2.8 dB according to the number of turns between primary coil and secondary coil. And the lowest insertion loss from the transformers was measured at the frequency from 7 GHz to 11 GHz according to the number of turns between primary coil and secondary coil. Based on the measurement data from the microfabricated transformers, the transformer with the 3/3 turns in the primary coil and secondary coil showed best performance compared to others in terms of lowest insertion loss, lowest insertion loss frequency and bandwidth.

미생물 혼합 모르타르에 미치는 방해석 나노소재 석출의 영향

김성태,이창준,김화중,이준철,Kim, Sung-Tae,Lee, Chang-Joon,Kim, Wha-Jung,Lee, Jun-Cheol 대한건축학회 2012 대한건축학회논문집 Vol.28 No.5

This study mainly refers to the influence of micro-biologically induced mineral precipitation able to be used as innovative bio-nano technology on the mechanical performance of mortar. Newly selected microorganisms at Jeju Island and sporosarcina pasteurii remarked in the previous study were examined by applying their biomineralization to the mortar. Microorganism mixed mortar specimens were compared with each other and analysed. In this study, experimental groups, mortar specimens mixed with newly selected microorganims at the specific region, were superior control groups mixed with only 0.08% lime water in the compressive strength test and flexural strength test. At curing time passed, microorganism effected the increase of mortar strength and the rate of increase in the mortar compressive strength was decreased. This decrease is considered as reduction of biomineralization on which microorganism directly influenced because microorganism usually sporulates in poor environment like mortar environment. It was identified visually through SEM analysis that microorganism can make minerals. Mineral crystal and components were analysed through XRD and EDS analysis, finally it was demonstrated that biomineralization can improve mortar properties.

시스템 다이내믹스를 활용한 건설 특급기술자 수급전망

김성태,이현수,안선주,류한국,박문서,Kim, Sung-Tae,Lee, Hyun-Soo,An, Sun-Ju,Ryu, Han-Guk,Park, Moon-Seo 한국건설관리학회 2007 건설관리 : 한국건설관리학회 학회지 Vol.8 No.5

By prosperous condition of construction economy in the early 90s in Korea, the government needed a lot of the qualified professional engineers (PE) to manage the construction site. In order to meet the high demand of P.E., Government has established the admitted engineer systems(AES) in 1995 that give the authority of principal engineers to the admitted engineers who do not take the written examination but have equivalent working experience. Since 2000, professional $engineer^{\circ}{\phi}s$ shortage has been resolved. however, the opposite situation, which is serious over-supply of construction engineers has occurred. Thus, Government announced that would abolish the admitted engineer systems as recognized the existent admitted engineers(about 1,000,000 persons) from 2007. However, Professional Engineers Institution has strongly insisted that Government should not recognize existent admitted engineers. From this point of view, it is critical to make the supply-demand forecast systems as a derivative approach of System Dynamics also, that is useful in comparing the argument between Government and Professional Engineers Institution. This paper describes about principal $engineer^{\circ}{\phi}s$ supply change by admitted engineer system abrogation and suggests the idea to regulate the supply and demand with the improvement of the regal system. 90년대 초 한국의 건설 경기가 호황을 누리면서 건설현장을 관리할 수 있는 특급기술자에 대한 수요가 커졌었다. 이러한 특급기술자의 수요를 맞추기 위해 정부는 1995년에 기술사 시험에 의하지 않고 단지 경력 년 수만으로 특급기술자 자격을 부여하는 인정기술자제도를 만들었다. 그러나 2000년 이후 특급기술자의 부족 현상은 해소되었고, 그 반대로 특급기술자의 심각한 과잉공급이 초래되었다. 따라서 정부는 인정경력자제도를 폐지(기존의 인정경력자를 인정)하는 개정법을 시행하고 있다. 그러나 여전히 기술인 협회에서는 기존의 인정기술자까지도 인정하지 말아야한다며 대립된 주장을 펴고 있다. 본 연구에서는 이러한 대립 관점에서 시스템 다이내믹스 방법론을 이용하여 수요공급 예측 모델을 통해 정부와 기술인협회 사이의 대립된 주장을 해결할 수 있는 실마리를 제공할 것이다. 본 논문은 각 시나리오를 통해 인정기술자제도의 폐지이전(개정법 이전)과 개정법에 따른 인정기술자제도 폐지 후의 특급기술자의 공급 변화를 비교하고 있으며, 차후의 정책 입안자가 특급기술자의 수요와 공급의 균형을 위한 제안점을 시사하고 있다.

족관절 및 장족무지 굴건막에 동시에 발생한 활액막 연골종증

김성태,이성락,이봉진,김성수,문명상,김기천,윤민근,Kim, Seong-Tae,Lee, Sung-Rak,Lee, Bong-Jin,Kim, Sung-Soo,Moon, Myung-Sang,Kim, Ki-Chun,Yoon, Min-Geun 대한족부족관절학회 2010 대한족부족관절학회지 Vol.14 No.2

Synovial chondromatosis is a benign lesion forming multiple round cartilagenous nodules or osseous loose bodies in joint cavity. Predilection sites are known as knee, hip and elbow joints. However, the involvement of ankle joint was rarely reported in the literature. Moreover, extraarticular chondromatosis in synovial sheath or bursa of extremities is extremely rare. We present a case of synovial chondromatosis of the left ankle joint and flexor hallucis longus tendon sheath.

대퇴 연골편에 의해 정복이 불가능한 슬관절 후외방 탈구 - 1예 보고 -

김성태,이봉진,박우성,이상훈,김태호,이성락,Kim, Seong-Tae,Lee, Bong-Jin,Park, Woo-Sung,Lee, Sang-Hoon,Kim, Tae-Ho,Lee, Sung-Rak 대한정형외과스포츠의학회 2007 대한정형외과스포츠의학회지 Vol.6 No.2

도수정복이 불가능한 슬관절 탈구는 아주 드물게 발생하며, 대부분의 도수정복이 불가능한 슬관절 탈구는 후외방 탈구 시 연부조직이 끼이면서 발생하게 되는데 저자들은 51세 여자환자의 슬관절 탈구에서 박리된 대퇴 내과 연골편에 의해 정복이 불가능했던 지금까지 보고가 없었던 예를 경험하였고, 이를 관절경을 이용한 변연절제술로 연골편을 제거하여 관혈적 수술이 필요 없이 정복을 얻을 수 있었으며 지연성 전방 및 후방 십자인대 재건술을 시행하여 만족할 만한 결과를 얻었다. An irreducible dislocation of the knee joint is quite rare. Most irreducible knee dislocations are posterolateral dislocations and result from the soft tissue interposition. To the best of our knowledge, there is no report of an irreducible knee dislocation result from interposition of the detached cartilage from the medial femoral condyle. We present a case of 51 years old female with irreducible knee dislocation which was treated with an arthroscopic debridement of the detached cartilage, result in reduction of the joint, which is failed in closed reduction. And then we perform the delayed arthroscopic reconstructions for the ruptured anterior and posterior cruciate ligaments. Debridement of the interposed structure using the arthroscope allows for reduction of the joint and good result without the need for an open procedure.

Hydrophobic Modification of Polyethyleneimine for Gene Transfectants

김성태,최준식,장형숙,서혜란,박종상,Kim, Seong Tae,Choe, Jun Sik,Jang, Hyeong Suk,Seo, Hye Ran,Park, Jong Sang Korean Chemical Society 2001 Bulletin of the Korean Chemical Society Vol.22 No.10

언어습득기 이전 청각장애인의 후두소견 및 음성학적 특성

김성태,윤태현,김상윤,최승호,남순열,Kim, Seong-Tae,Yoon, Tae-Hyun,Kim, Sang-Yoon,Choi, Seung-Ho,Nam, Soon-Yuhl 대한후두음성언어의학회 2009 대한후두음성언어의학회지 Vol.20 No.1

Background and Objectives : There are few studies reported that specifically examine the laryngeal function in patients with profound hearing loss or deafness, This study was designed to examine videostroboscopic findings and phonetic characteristics in adult patients with prelingually deaf. Materials and Method: Sixteen patients (seven males, nine females) diagnosed as prelingually deaf aged from 19 to 54 years, and were compared with a 20 normal control group with no laryngeal pathology and normal hearing group, Videostroboscopic evaluations were rated by experienced judges on various parameters describing the structure and function of the laryngeal mechanism during comfortable pitch and loudness phonations. Acoustic analysis test were done, and a nasalance test performed to measure rabbit, baby, and mother passage. CSL were measured to determine the first and two formant frequencies of vowels /a/, /i/, /u/, Statistical analysis was done using Mann-Whitney U or Wilcoxon signed ranks test. Results: Videostroboscopic findings showed phase symmetry but significantly more occurrences decrement in the amplitude of vibration, mucosal wave, irregularity of the vibration and increased glottal gap size during the closed phase of phonation, In addition, group of prelingually deaf patients were observed to have significantly more occurrences of abnormal supraglottic activities during phonation. The percentage of shimmer in the group of prelingually deaf patients were higher than in the control group. Characteristics of vowels were lower of the second formant of the vowel /i/. Nasalance in prelingually deaf patients showed normal nasality for all passages, Conclusion: Prelingually deaf patients show stroboscopic abnormal findings without any mucosal lesion, suggesting that they have considerable functional voice disorder. We suggest that prelingually deaf adults should perform vocal training for normalized laryngeal function after cochlear implantation.

삼국시대(三國時代) 병기체제(兵器體制)의 연구(硏究)

김성태,Kim, sung-tae 국립문화재연구원 2001 헤리티지:역사와 과학 Vol.34 No.-

In order to unravel the characteristics of arms used in the 'Three Kingdoms,' Kokuryo, Silla and Paikje. the classification and the developing procedures of the arms should be first discussed. At first, the basic arms of the soldiers of Three Kingdoms were iron swords, iron spearheads, and bows. During that period, swords attached a ring pommel were commonly used. But after 5A. D. a sword with a decoration pommel appeared. Infantry generally used iron spearheads. From the late 4A. D. the long spearheads were broadly used in cavalry battles. In the late 6A. D. infantry mainly used long spearheads, and this resulted in the foundation of long spearheads units. There were two kinds of bows: Short Bow whose arch is small and Long Bow whose arch is long. It is known that the Short Bow was widely used in Kokuryo and Paikje up to 5A. D. In the early era, infantry used Long Bow, yet it was vastly used after 6A. D. when a castle's strategical value was great and defending a castle was. significant. Above mentioned, as basic combat weapons, iron spearhead and bow were fundamental. In particular, the spearhead was the essential weapon to a soldier. Yet, arrow gun and hook-shape cutters were important weapons. Especially, after 6A.D., when a castle became strategically pivotal in military, the arrow gun became the important weapon. This resulted in the foundation of arrow gun units. Hook-shape cutters were used to snatch horsemen or to climb up to fall the castle. Yet, the cutter was not the Three Kingodoms' basic weapon. In addition, the three stages of arms development in the Three Kingdoms are formation stage, development stage, and settlement stage. The formation stage was the period when premitive military unit appeared in the Three Kingdoms. It ranged from 1B. C. to the mid 3A. D. At that time according to regions. there were two weapon systems operating: North area including Kokuryo and the northern part of Paikje and South area including Silla, Kaya and the southern part of Paikje. ln North area a sword with a ring attached at the end of the holder, iron spear with neck and mid-size flat holder and iron arrowhead with an extension to fix, were used. In this period, during a war calvary units were mostly used and their weapon systems seemed possibly to succeed in that of Kochosun. In the development stage, when LoLang's influence on surroundings became weak, Koguryo, Paikjae and Silla had directly contacted each other. In the late 3A.D. to the early 6A.D., Silla achieved a drastic improvement in weapon system. This was the period when Kokuryo played a leading role in arms race. Kokuryo's arms manufacturing techniques passed onto Silla, Kaya and Paikje. In combat strategy a joint operation between infantry and calvary prevailed even if their military tactics were different. In a calvary battle heavily armed horsemen played import roles at this period. The horsemen and even horses were heavily guarded with iron armors. After all, the appearance of fully armed horsemen implies the very need of powerful destructive forces in weapon system. At that time, basic weapons were a big sword with a ring attached at the end of the holder, swallow's tail-shape spear with neck, and iron spearhead with neck and an extension. The settlement stage began at the mid 6A.D., when it was the revolutionary period in the arms development history. Of course, actual proofs and picture documents were not sufficient enough to penetrate full scale of the weapon system. But, according to historical circumstances and historic records, it is very certain that this period was the peak in arms development. In this period special military units, such as infantry-calvary companies, Archery units and Long spear units, that executed particular duties with special weapons, were founded. This became the characteristics of the settlement stage.