결핵성 인후농양 2예

장한성,선동일,이수진,김민식,Jang, Han-Sung,Sun, Dong-Il,Rhee, Soo-Jin,Kim, Min-Silk 대한기관식도과학회 2000 大韓氣管食道科學會誌 Vol.6 No.1

Retropharyngeal abscesses are uncommon but potentially lethal infections, especially in the pediatric population. In adults, retropharyngeal abscesses are very rare and usually secondary to chronic tuberculous cervical spine osteomyelitis. Retropharyngeal tuberculosis can manifest itself as a cold abscess, and the symptoms and signs are usually influenced by its size and location. We present two cases of retropharyngeal abscess in adults without tuberculous cervical osteomyelitis.

고속도로 터널 내 실내오염물질 농도의 일변화 분포특성

장한성(Han-Sung Jang) 한국생활환경학회 2017 한국생활환경학회지 Vol.24 No.1

The study inspected air in expressway tunnels to verify contaminants and to collect data of ventilation ON:The subject was Suri Tunnel (in direction of Ilsan) in Gunpo Gyeonggi-do and Jungnyeong Tunnel (in direction of Chuncheon) at Danyang Chungbuk. Suri Tunnel (in the direction of Ilsan) with length of about 1,866 meters was likely to have plenty of contaminants because of many traffic (100,000 vehicles a day), and Jungnyeong Tunnel (in the direction of Chuncheon) had less traffic (6,000 to 10,000 vehicles a day) to be likely to have high contaminant because of long time contaminants in long tunnel). We were given material with help of Korean Expressway Corporation, and selected samples of tunnel according to daily traffic and length of tunnel. We had testing point at one place of top of check route (utility pipe conduit) about 100 meters inside from exit of the tunnel where remaining contaminants in the tunnel were likely to have high concentration to flow toward exit of the tunnel. Article 42 of law on road structure and facility (ventilation of the tunnel) specified testing and analysis of contaminants in the tunnel to mention carbon monoxide and nitrogen oxide: And, article 5 (keeping of indoor air quality) and article 6 (recommendation of indoor air quality) of law on structure and control of indoor air quality of multi-use facility was applied considering similarity of testing items of tunnel contaminants as well as contaminants of permission. The purpose of the study was to verify contaminants and to inspect daily change of indoor contaminants in the tunnel and to collect data of ventilation system ON and to give information on ventilation system ON and effective tunnel control.

공공건축물의 석면 사용실태에 따른 관리방안

장한성(Han-Sung Jang),이태호(Tae-ho Lee),김지훈(Ji-Hoon Kim) 한국환경관리학회 2014 環境管理學會誌 Vol.20 No.1

본 연구는 공공건축물의 석면 사용실태에 따른 관리방안을 제시하고자 경상북도 2개 지방자치단체 71개 공공건축물에 대해 2013년 3월 1일부터 6월 30일 까지 4개월간 석면조사를 실시 후 그 결과를 분석하였다. 조사결과 "A" 지방자치단체는 21개소 건축물에서 석면이 검출되었고, "B" 지방자치단체는 18개소 건축물에서 석면이 검출되었다. 석면이 검출된 건축물은 1980년대 및 1990년대에 준공된 건축물로서, 사용된 석면 건축자재는 텍스, 밤라이트, 슬레이트에서 검출되었다. 이들 자재에 대한 석면 분석결과 백석면이 대다수인 것으로 조사되었으며, 밤라이트, 슬레이트 자재에서는 갈석면이 검출되었다. 갈석면은 백석면보다 발암 위험도가 수십 배 높은 것으로 알려져 있다. 특히 "A" 지방자치단체는 슬레이트를 많이 사용하였는데 1970년대 새마을운동으로 지붕재료를 슬레이트로 많이 사용하였고, 공공건축물까지도 슬레이트를 사용한 것으로 조사되었다. 앞으로 석면조사의 범위를 넓혀 관리에 취약한 건축물에 대해서는 석면조사 및 관리방안을 수립하는 등 대책을 강구하여야 할 것이다. Seventy one public buildings were investigated at two municipalities in Gyeongsangbukdo in order to identify asbestos from March 1 to June 30 in 2013, and the results were analyzed. Asbestos was detected at 21 buildings in "A" local government, and it was detected at 18 buildings in "B" local government. The detected asbestos were mostly used as building materials in 1980s and 1990s. Asbestos building materials were tex, night lights and slate. The majority asbestos used were chrysotile, and an amosite was detected in some materials according to asbestos analysis. Amosite was mainly detected in the night lights and slate. Chrysotile amosite is known to be as a higher cancer risk asbestos than any other asbestos. "A" local government which has a lot of buildings in which asbestos were detected used slate so much during the saemaul movement in the 1970s as a roofing material. Slate was also used in many public buildings. Asbestos waste management plan to treat asbestos correctly in old buildings is established after this investigation.

산업단지와 인근주택 밀집지역의 악취오염물질 상관관계

장한성(Han-Sung Jang) 한국생활환경학회 2015 한국생활환경학회지 Vol.22 No.6

This study investigated relation between odor contaminants at industrial complex and neighboring residential area. The subject was Seongseo Industrial Complex at Dalseo-gu, Daegu. The study examined not only composite odor but also 15 odor matters nominated by areas of control, boundary and influence. The composite odor had no difference between control area, boundary area and influence area. The nitrogen compound of the composite odor material had ammonia, and aldehyde compound had acete aldehyde and butyl aldehyde, and volatile organic compound had toluene, styrene, xylene, methyl ethyl ketone and methyl isobutyl ketone. To solve odor problem concerning civil petition of odor at residential area in industrial complex, investigation into ingredient and concentration of odor matter shall be done firstly. Evaluation on effect of odor point based on the findings was difficult to do. This study investigated characteristics of odor according to civil petition of odor in industrial complex to establish systematic program and to give actual lessening of odor.

가정어린이집 실내공기질 관리실태에 따른 대책방안

장한성(Han-Sung Jang) 한국생활환경학회 2014 한국생활환경학회지 Vol.21 No.5

Home daycare center occupied about 52% among daycare centers in the nation in 2013. Most of daycare centers took care of young children to occupy high ratio among daycare centers and to be likely to increase ratio in the future. Young children had less immunity than adults had, and they breathed in plenty of air considering their weight to accumulate more contaminants of the air than adults did. Young children with low linguistic ability to understand and express were short of surrounding environment control, so that daycare centers where young children stayed for a long time needed to control indoor air quality very much carefully. Young children who spent most of time at daycare centers should be given attention. This study investigated control of indoor air quality of home daycare centers for young children to make countermeasures and to give basic materials for comfortable environment in the daycare center.

학교 교실의 실내공기질에 대한 환경성 평가 및 관리방안

장한성(Han-Sung Jang),이태호(Tae-ho Lee),정순형(Soon-Hyung Chung),김지훈(Ji-Hoon Kim) 한국생활환경학회 2013 한국생활환경학회지 Vol.20 No.4

This study of classroom indoor air quality management plan for the environmental assessment that have Gangwon Gangneung city in kindergarten, elementary, middle and high schools to target 69 Summer 2012 (June), winter (November) measured by separate items measured indoor air quality in school classrooms. Measurements of the schools bioaerosol 10.1%, NO₂ 23.2%, CO₂ was exceeded by 5.8% respectively. Looking at each elementary school that was investigated in the most excess. This kindergarten, middle school, elementary school students than high school students the most abundant of the activity, rather than the influence of the external environment, internal activity due to a large number of schools is considered excess. The elementary school students playing on the playground as it is mostly because admitted to the classroom suggest that a high total suspended bioaerosol, and a lot of outside activities, the volume of CO₂ is considered to be high. This reduction is due to adequate ventilation. Thus, the outside activities, such as washing hands after the activity of each student must be clean and must be ventilation is periodic. Thus, the results of this paper, a pleasant learning environment and how to live in a response procedures will be able to be used as performance indicators is suggested.

구개편도 및 인두편도에서 혈관내피성 접착분자의 발현에 관한 연구

조진희,장한성,원유성,이수진,윤희로,서병도,Cho, Jin-Hee,Jang, Han-Sung,Won, Yu-Sung,Lee, Soo-Jin,Yoon, He-Ro,Suh, Byung-Do 대한기관식도과학회 1999 大韓氣管食道科學會誌 Vol.5 No.2

The palatine tonsils(tonsils) and pharyngeal tonsils(adenoids) are situated at the entrance of the respiratory and alimentary tracts and represent the first site of contact with a variety of microorganisms and other antigens present in food and inhaled air. They are known as lymphoid organs carrying out the function of cellular and humoral immunity, and so they form a local protective barrier. And the expression of the vascular endothelial adhesion molecules is known to play an important role for the inflammatory reaction in tonsils and adenoids as well as in other inflammatory tissues, by binding with the receptors on the surface of leukocytes. But although several scientific hypotheses on the role of these lympoid tissues have been suggested, their complete functions have remained unknown. The purpose of this study is to present an basic data of the knowledge on the immunologic physiology of the tonsils and adenoids and their role as active immunologic organs that reinforce the mucosal immunity of the entire upper aerodigestive tract. We examined 16 human tonsils and adenoids and the expression of three endothelial adhesion molecules, vascular endothelial adhesion molecule-1(VCAM-1), intracellular adhesion molecule-1(ICAM-1), and E-selection, in tissue sections using immunohistochemistry. We used the inferior turbinate mucosa obtained from 9 patients getting septal surgery as a control group. The expressions of vascular endothelial adhesion molecule-1(VCAM-1) and intracellular adhesion molecule-1 (ICAM-1) were significantly higher in the tonsils and adenoids. But respectively, there were no significant differences between the tonsils and adenoids. The expression of E-selection was significant higher in the tonsils, but not in the adenoids. We observed that tonsils and adenoids showed significantly higher expressions of vascular endothelial adhesion molecule-1(VCAM-1), intracellular adhesion molecule-1(ICAM-1), and E-selection (in the case of E-selection, only in the tonsils). We propose that these adhesion molecules play an important role for the immunologic reaction by the transendothelial migration of lymphocytes and binding with the receptors on the surface of leukocytes.

PMF를 이용한 구미지역의 VOCs 오염원 및 기여도 확인

최우건(Woo-Gun Choi),조영혁(Young-Hyuck Cho),장한성(Han-Sung Jang),김창호(Chang-Ho Kim),김태오(Tae-Oh Kim) 한국냄새환경학회 2010 실내환경 및 냄새 학회지 Vol.9 No.2

본 연구는 2002년부터 2년여에 걸쳐 구미지역을 대상으로 VOCs를 채취하였으며, 이중 TO-14에 제시된 VOCs중 29개 성분을 GC/MSD를 이용하여 분석하였다. 이러한 분석 자료를 바탕으로 구미지역의 대기중 VOCs 농도 경향을 파악하였고, 수용모델의 한 종류인 PMF모델을 이용하여 오염원 및 정량적 기여도를 산출하였다. VOCs의 연평균 농도는 산업단지가 주거지역보다 높은 농도를 보였고, 주거1, 2의 경우 산단에서 고농도로 검출된 VOCs는 비교적 낮은 농도를 보인 반면, 자동차 배출가스가 주 오염원인 방향족 물질들이 높은 농도로 검출되어 산업단지에서 발생하는 VOCs의 직접적인 영향을 받지 않은 것을 알 수 있었다. 분석결과를 바탕으로 PMF 모델을 적용하여 수행한 결과 7개의 VOCs 오염원을 확인하였고, 각 오염원의 정량정 기여도를 파악하였다. 첫 번째 오염원은 Freon relation source로 기여도는 17%로 나타났다. 두 번째 오염원은 구미지역의 특징을 나타낸 Electronic industrial complex source로 기여도는 27.86%로 나타났다. 세 번째 오염원과 네 번째 오염원은 미확인 오염원 Unknown source - 1, 2로 기여도는 각각 2.96%과 7.02%로 나타났다. 다섯 번째 오염원은 다른 물질에 비해 톨루엔이 주로 나타난 Organic solvent source로 확인하였으며, 기여도는 19.26%로 전자산업 관련 오염원 다음으로 높게 나타났다. 여섯 번째 오염원은 방향족 화합물들이 나타나 Vehicle Exhaust source로 확인하였으며, 17.59%의 기여도를 보였다. 마지막 오염원은 섬유산업 관련 오염원인 Textile relation source로 나타났으며, 기여도는 8.31%로 밝혀졌다. IIn this research, ambient VOCs samples were collected by specially prepared stainless steel canisters from August 2002 to September 2004 at seven representative sites in Gumi. 29 kinds of VOCs which are presented by United States EPA method TO-14 were analyzed using GC/MSD. Based on the monitored data, the characteristics of VOCs concentrations in atmosphere in Gumi were grasped, pollution sources and contributions were also analyzed by PMF model, one kind of receptor models. As a whole, the average annual concentrations of VOCs in industrial complexes were higher than that in residential areas. In residential area1 and residential area2, the VOCs that had high concentrations in industrial complexes showed comparatively lower concentrations. But the aromatic substances mainly attributed to vehicle exhaust showed high concentrations which indicated that VOCs emitting sources in industrial areas have no direct effect on the VOCs concentration in residential areas. The results from PMF modeling indicated that a total of seven sources were independently identified and each source was contributed to the ambient Gumi City from Freon relation source (17%), electronic industrial complex source (27.86%), organic solvent source (19.26%), vehicle exhaust source (17.59%), Textile relation source (8.31%), and unknown source - 1, 2 were up to 2.96%, 7.02% in terms of VOCs, respectively.