도로터널의 방재시설

김남영,Kim Nam-Yeong 대한설비공학회 2006 설비저널 Vol.35 No.8

LC-MS/MS를 이용한 농산물 중 Fluoroimide의 잔류농약 분석법 개선

김남영,박은지,심재한,이정미,정용현,오재호,Kim, Nam Young,Park, Eun-Ji,Shim, Jae-Han,Lee, Jung Mi,Jung, Yong Hyun,Oh, Jae-Ho 한국식품위생안전성학회 2021 한국식품위생안전성학회지 Vol.36 No.3

Fluoroimide는 감과 감자의 둥근무늬낙엽병과 역병을 억제하는데 효과가있는 살진균제로서, 이전 사용되었던 fluoroimide의 시험법은 전처리시 발암물질인 benzene을 사용하는 문제가 있었으며, 복잡한 시험법으로 인해 시간이 오래걸리고 효율이 떨어지는 단점이 있었다. 또한, fluoroimide의 특성상 산성에서 안정한 편이므로 전처리 시 이를 고려해야 하는 문제가 있었으며, PLS시행에 따라 기존의 정량한계인 0.05 mg/kg보다 낮은 정량한계 요구로 인해 fluoroimide에 대한 새로운 전처리방법이 필요하였다. Fluoroimide가 산성에서 안정한 특성을 고려하여, 추출 시 4N의 염산을 사용하였고 용매는 acetic acid가 포함된 acetonitrile을 사용하였으며, MgSO₄와 NaCl을 통해 추출하였다. 정제는 C₁₈ (Octadecylsilane)과 GCB (graphitized carbon black)를 첨가하여 정제하였으며, 기기분석은 LC-MS/MS로 분석하였다. 대표농산물 5종(현미, 감자, 대두, 감귤, 고추)을 대상으로 정량한계(0.01 mg/kg), 정량한계 10배(0.1 mg/kg), 정량한계 50배(0.5 mg/kg)의 수준으로 회수율 실험을 5반복 실시하였으며, 그 결과는 농산물 5종에서 85.7-106.9%의 회수율을 확인하였으며, 분석오차는 15.6% 이하의 결과를 보여, 국제식품 규격위원회 가이드라인의 잔류농약 분석 기준 및 '식품등 시험법 마련 표준절차에 관한 가이드라인(2016)'에 부합하였다. 상기의 결과를 통해 개선한 fluoroimide의 시험법은 benzene을 대체해 실험자의 안전성을 확보하였고, QuEChERS법을 적용하여 효율을 높여, 안전관리에 대한 공정시험법으로서 활용가능할 것으로 사료된다. Fluoroimide is a fungicide and is also used as a pesticide for persimmons and potatoes. The established fluoroimide pesticide analysis method takes a long time to perform and uses benzene, a carcinogen. In addition, a lower limit of quantification is required due to enforcement of the Positive List System. Therefore, this study aimed to improve the analysis method for residual fluoroimide to resolve the problems associated with the current method. The analytical method was improved with reference to the increased stability of fluoroimide under acidic conditions. Fluoroimide was extracted under acidic conditions by hydrogen chloride (4 N) and acetic acid. MgSO₄ and NaCl were used with acetonitrile. C₁₈ (octadecylsilane) 500 mg and graphitized carbon black 40 mg were used in the purification process. The experiment was conducted with agricultural products (hulled rice, potato, soybean, mandarin, green pepper), and liquid chromatograph-tandem mass spectrometry was used for the instrumental analysis. Recovery of fluoroimide was 85.7-106.9% with relative standard deviations (RSDs) of less than 15.6%. This study reports an improved method for the analysis of fluoroimide that might contribute to safety by substituting the use of benzene, a harmful solvent. Furthermore, the use of QuEChERS increased the efficiency of the improved method. Finally, this research confirmed the precise limit of quantification and these results could be used to improve the analysis of other residual pesticides in agricultural products.

개방각녹내장에서 수지온도 회복지연과 야간 혈압하강 및 녹내장성 시야진행의 상관관계

김남영,서홍융,노세현,Nam Yeong Kim,Hong Ryung Seo,Sae Heun Rho 대한안과학회 2015 대한안과학회지 Vol.56 No.1

Purpose: To investigate the effects of a delay in finger temperature recovery rate on the hand cold provocation test (HCPT) and a nocturnal dip greater than 10% (dipper) on the progression of glaucomatous visual field (VF) defects in open-angle glaucoma patients when the intraocular pressure (IOP) was well controlled lower than the target pressure. Methods: 30 patients (58 eyes) with normal tension glaucoma (NTG) and 13 patients (24 eyes) with primary open angle glaucoma, and 12 normal controls (24 eyes) were retrospectively enrolled in this study. We performed HCPT, 24 hour ambulatory blood pressure monitoring (24-hr ABPM), Goldmann applanation tonometer measurements, and VF tests on all subjects. The delay in finger temperature recovery rate was defined as a delay longer than 15% of the mean finger temperature of normal controls over 2 intervals among 5, 10, 15, and 20 minutes after the immersion of cold water. We examined the relationships among the delay in finger temperature recovery rate, dipper, and the progression of glaucomatous VF defects. Results: The finger temperature recovery rate in NTG patients was significantly delayed more than that of normal controls at 5, 10, and 15 minutes after the immersion. The delay in finger temperature recovery rate significantly correlated with dipper in NTG patients. Glaucomatous VF defects were significantly progressed in the presence of dipper in NTG patients. Delay in finger temperature recovery rate was significantly related to the progression of glaucomatous VF defects in NTG patients. In the binary logistic regression test, delay in finger temperature recovery rate was the only factor that was strongly related to the progression of glaucomatous visual field in NTG patients. Conclusions: When glaucomatous VF defects progressed despite the IOP being well controlled, 24-hr ABPM and HCPT for detecting vascular dysregulation might be helpful for diagnosis and treatment of glaucoma. J Korean Ophthalmol Soc 2015;56(1):70-79

신생아 집중치료실에서 인공 환기요법 관련 폐렴의 임상양상과 기관내 삽관의 유용성에 관한 연구

김남영,성태정,신선희,김성구,이건희,윤혜선,Kim, Nam Young,Sung, Tae Jung,Shin, Seon Hee,Kim, Sung Koo,Lee, Kon Hee,Yoon, Hae Sun 대한소아감염학회 2005 Pediatric Infection and Vaccine Vol.12 No.1

목 적 : 최근 신생아학의 발달과 신생아 집중 치료의 발달로 기관내 삽관 후 인공 환기요법 치료가 빈번하게 이루어져 호흡곤란증이 있는 신생아의 사망률은 감소된 반면 이에 따른 여러 합병증이 병발할 가능성이 높아지게 되었다. 이에 저자들은 인공 환기요법을 사용한 신생아에서 VAP의 발생빈도와 위험요인 및 주된 균주에 대해 알아보았다. 방 법 : 2000년 1월 1일부터 2003년 6월 30일까지 한림대학교 강남성심병원 신생아 집중치료실에 입원하여 인공 환기요법을 사용한 신생아 50명을 대상으로 하여 입원 기록지를 후향적으로 분석하였다. VAP의 진단은 기관내 삽관 당시에는 폐렴이 보이지 않으나 기관내 삽관 후 최소 48시간 경과 후 흉부 방사선상 새롭게 침윤이 발생한 경우로 정의하였다. 상기 조건에 만족하는 환아 13명을 VAP군으로, 만족하지 않는 환아 37명을 대조군으로 분류하였다. 결 과 : 인공 환기요법을 사용했던 환아 50명 중 VAP의 발생빈도는 26.0%(13명)였다. 동맥관 개존증과 뇌실내 출혈이 VAP 발생과 연관이 있었고 재태연령, 출생체중, 1분 및 5분 Apgar 점수 및 호흡곤란 증후군, 기관지폐 이형성증, 미숙아 망막증, 패혈증, 급성 신부전, 폐출혈, 공기 누출 증후군 등과는 연관이 없었다. 본 연구에서는 총 12균주가 동정되었는데 MR-CNS 4례(33.3%), E. cloacae 3례(25.0%), P. aeruginosa 2례(16.7%), MRSA 1례(8.3%), Acinetobacter baumanii 1례(8.3%), K. pneumoniae 1례(8.3%)로 MR-CNS가 가장 많았다. 결 론 : 본원 신생아 집중치료실에서 인공 환기요법 치료 후 발생한 폐렴의 빈도는 26.0%이며 MR-CNS가 가장 많이 배양되였다. 기관삽관 말단의 배양은 VAP의 정확한 진단을 위해서는 적절치 않을 수 있으나 신생아에게 필요한 침습적이지 않고 정확한 방법에 대한 연구가 필요하다고 생각된다. Purpose : The incidence of mortality associated with respiratory difficulties is decreasing nowadays contributed to the development of neonatology. However, complications associated with mechanical ventilator are increasing. This study is to determine clinical manifestations, diagnositc availability of the endotracheal tip culture in patients with Ventilator-Associated Pneumonia(VAP) in neonatal intensive care unit(NICU). Methods : A retrospective analysis of 50 neonates who were admitted to the NICU of Kangnam Sacred Heart Hospital and had given mechanical ventilator from 1 January 2000 to 30 June 2003. VAP group defined as neonates who had pneumonia with mechanical ventilation longer than 48 hours. They were classified into VAP group(n=13) and control group (n=37) and the prevalence, microorganisms cultured from the endotracheal tube tip and risk factors were investigated. Results : The prevalence of VAP was 26.0%(n=13) and the most dominant microorganism cultured in our NICU was methicillin-resistant coagulase negative staphylococcus(MR-CNS) in 4 cases. Other microorganisms were Pseudomonas, Enterobacter, methicillin-resistant Staphylococcus aureus(MRSA) and Klebsiella. Gestational age, birth weight, Apgar score, respiratory distress syndrome, retinopathy of prematurity, bronchopulmonary dysplasia, sepsis, renal failure, pulmonary hemorrhage, pneumothorax were not different significantly between two groups except intraventricular hemorrhage(P<0.001) and patent ductus arteriosus(P<0.05). Duration of hospital stay and mortality rate were also not different significantly. Conclusion : VAP occurred at a significant rate among mechanically ventilated NICU patients. Despite of limitation of encotracheal tip culture, the most common microorganism was MR-CNS. We should be aware of occurrence of VAP in NICU neonate who were with mechanical ventilator and should treat with great care.

도시지역 네트워크형 지하도로의 환기방재대책

김남영,조종복,Kim, Nam-Yeong,Jo, Jong-Bok 한국터널지하공간학회 2017 자연, 터널 그리고 지하공간 Vol.19 No.2

Wireless LAN을 위한 BST 박막 가변 대역통과 여파기 설계

김기병(Ki-Byoung Kim),윤태순(Tae-Soon Yun),김종호(Jong-Ho Kim),김일두(Il-Doo Kim),임미화(Mi-Hwa Lim),김호기(Ho-Gi Kim),김종헌(Jong-Heon Kim),이병제(Byungje Lee),김남영(Nam-Young Kim),이종철(Jong-Chul Lee) 한국통신학회 2001 한국통신학회 학술대회논문집 Vol.2001 No.7

논문 : 강원도 괘병산과 갈미봉 일대의 식물상과 식생

김유신 ( Yoo Shin Kim ),김남영 ( Nam Young Kim ),김영설 ( Young Seol Kim ),이학봉 ( Hak Bong Lee ),김세창 ( Se Chang Kim ),김지홍 ( Ji Hong Kim ),박완근 ( Wan Geun Park ) 한국임학회 2012 한국산림과학회지 Vol.101 No.2

본 연구는 백두대간 괘병산 및 갈미봉의 관속식물상과 식생을 조사·분석하기 위하여 수행되었다. 괘병산 및 갈미봉 일대에 자생하는 관속식물은 93과 279속 408종 4아종 56변종 9품종 등 총 477분류군으로 조사되었으며 양치식물계수는 1.00이었다. 조사된 477분류군 중 한국특산식물은 총 8과 11속 11종으로 총 11분류군이 나타났고, 환경부지정 희귀 및 멸종위기 식물은 2과 2속 2종으로 총 2분류군 및 국립수목원 지정 희귀식물은 13과 14속 15종 1변종으로 총 16분류군이 나타났다. 귀화식물은 6과 17속 17종으로 총 17분류군이 조사되었으며 귀화율은 약 3.6%이고, 도시화지수는 약 5.3%로 나타났다. 본 조사지역의 생활형을 종합한 Biological Type은 H-D4-R5-e의 형태로 나타났으며, 자원식물의 유용도는 7가지의 용도 중 약용자원이 77.5%로 가장 높게 나타났고, 식용자원이 50.7%를 나타냈다. 괘병산과 갈미봉 일대의 산림식생에 대하여 식물사회학적 조사방법으로 분석한 결과 1군목 1군단 4군락으로 나타났다. 신갈나무-철쭉군목(Rhododendro-Quercetalia mongoliaceae Kim 1990), 신갈나무-생강나무군단(Lindero-Quercion mongolicae Kim 1990), A. 신갈나무 전형하위 군락(Quercus mongolica Typical Community), B. 소나무-신갈나무 군락(Pinus densiflora-Quercus mongolica Community), C. 일본잎갈나무 군락 (Larix kaempferi Community), D. 조릿대-신갈나무 군락(Sasa borealis-Quercus mongolica Community). Floristic composition and phytosociological studies in Mt. Gwaebyung and Galmi-Bong were investigated to classify forest vegetation and distribution of vascular plants. We investigated two study sites from April to September, 2011. Total 477 taxa with 93 families, 279 genera, 408 species, 4 subspecies, 56 varieties and 9 forms were distributed in Mt. Gwaebyung and Galmi-Bong. Korean endemic species were composed of 8 families with 11 genera and 11 species. The plant species which is designated as protected species by the Ministry of Environment, Korea was 2 families, 2 genera and 2 species. Also plant species which is designated by the Korea National Arboretum was 16 taxa with 13 families, 14 genera, 15 species and 1 variety, A naturalized plants were 17 taxa. The Naturalization index and Urbanization index were 3.6% and 5.3% respectively, Pteridophyta-calculation (Pte-Q) was 1.00, Life form spectra was H-D4-R5-e type and the highest percentage of useful plant resources were medicinal plant (77.5%). The forest vegetation in Mt. Gwaebyung and Galmi-bong was classified into 1 order, 1 alliance and 4 communities; Rhododendro - Quercetalia mongoliaceae, Lindero-Quercion mongolicae, Quercus mongolica Typical Community, Pinus densiflora-Quercus mongolica Community, Larix kaempferi Community and Sasa borealis-Quercus mongolica Community.

An Interaction-Based MPEG-4 Player for a PDA

김남영(N. Kim),김상옥(S. Kim),이현주(H. Lee),김상욱(S. Kim) 한국멀티미디어학회 2004 한국멀티미디어학회 학술발표논문집 Vol.2004 No.1

고속도로 장대터널 제트팬 종류 환기방식의 적용에 관한 설계사례 연구

김남영(N.Y. Kim),정해옥(H.O. Jeong),김화수(H.S. Kim),김효규(H.G. Kim),이상범(S.B. Lee),신태균(T.G. Shin) 대한설비공학회 2002 대한설비공학회 학술발표대회논문집 Vol.2002 No.-

외과적 수술 후 정맥혈전색전증 예방을 위한 근거기반 IPC(Intermittent Pneumatic Compression) 간호프로토콜의 수용개작 및 효과

김남영(Kim, Nam Yong),김은아(Kim, Eun A),심재연(Sim, Jae Yeun),정순희(Jung, Soon Hee),김혜영(Kim, Hye Young),장은희(Jang, Eun Hee),신지혜(Shin, Jee Hye) 한국간호행정학회 2017 간호행정학회지 Vol.23 No.1

Purpose: This study was conducted to adapt the standardized evidence-based nursing protocol using the IPC (intermittent pneumatic compression) intervention to prevent venous thromboembolism in surgical patients. Further, an investigation was done to measure knowledge on prevention of venous thromboembolism, surrogate incidence of venous thromboembolism and to assess IPC compliance in the study patients compared with those in surgical patients who underwent IPC intervention due to previous clinical experience. Methods: An analysis was done of the nine modules suggested by National Evidence-based Healthcare Collaborating Agency (NECA) in the adaptation manual of the clinical practice guideline for protocol adaptation. A nonequivalent control group post test design as a quasi-experiment was used to verify the effect of the IPC protocol. Results: There was a significant difference in knowledge of prevention of venous thromboembolism, IPC application time after intervention and the number of IPC applications between the experimental group (n=50) using the IPC nursing protocol and the control group (n=49). However, the symptoms of deep vein thrombosis and pulmonary thromboembolism were not observed in either the experimental group or the control group after the intervention. Conclusion: Results confirm that the standardized IPC nursing protocol provides effective intervention to prevent venous thromboembolism in surgical patients.