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최성옥,송경희 명지대학교 자연과학연구소 1996 자연과학논문집 Vol.13 No.-
서울 시내에 거주하는 근로 청소년들의 근로 환경과 식생활 실태 및 그 관련 요인을 조사한 결과 조사대상자의 평균 영양 지식 평점은 41.44였으며 여자가 남자보다 영양 평점이 유의적으로 높았고 (P<0.001) 평균 영양태도 평점은 5.6이였으며 여자의 영양태도가 남자에 비해 유의적으로 바람직하고 좋았으며 평균 영양진단 평점은 2.55였으며, 영양 결핍에 의한 임상 증상 수는 남자 15.3개, 여자 25.8개로써 여자의 임상증상수가 녹아 건강 실태는 여자가 더 불량한 것으로 나타났다. 또한, 영양 지식은 영양 태도(P<0.01), 영양 진단 평점은(P<0.05), 영양 결핍에 대한 임상 증상수(P<0.01)와 유의적인 상관관계를 나타내었으며, 영양태도는 식습관, 영양진단 평점, 영양결핍에 의한 임상증상 수와는 유의적인 상관관계가 나타나지 않았다. This study was carried out to investigate dietary patterns and related factors of working adolescents in Seoul. The average score of nutritional knowledge was 41.44. Female subjects showed significantly higher than male subjects in nutritional knowledge score(p<0.001). The average score of nutritional attitude was 5.6. The average score of nutritional attitude was 5.63 in male subjects and 6.05 in female subjects. This indicated that female subjects had more desirable and possitive nutritional attitude than male subjects (p<0.01). The average score of nutritional diagnosis was 2.55 and the number of clinical symptoms of nutritional deficiency was 20.1. The nutritional knowledge was correlated with nutritional attitude(p<0.01), nutritional diagnosis score(p<0.05) and the number of clinical symptoms of nutritional deficiency (p<0.01).
이혁미,송성옥,차상호,위성복,Karyn Bischoff,박성원,손성완,강환구,조명행 대한수의학회 2013 Journal of Veterinary Science Vol.14 No.2
Monoclonal antibody (mAb, NVRQS-DON) against deoxynivalenol (DON) was prepared. DON-Ag coated enzyme linked immunosorbent assay (ELISA) and DON-Ab coated ELISA were prepared by coating the DON-BSA and DON mAb. Quantitative DON calculation ranged from 50 to 4,000 ng/mL for DON-Ab coated ELISA and from 25 to 500 ng/mL for DON-Ag coated ELISA. 50% of inhibitory concentration values of DON, HT-2, 15-acetyl-DON, and nivalenol were 23.44, 22,545, 5,518 and 5,976 ng/mL based on the DON-Ab coated ELISA. Cross-reactivity levels of the mAb to HT-2, 15-acetyl-DON, and nivalenol were 0.1, 0.42, and 0.40%. The intra- and interassay precision coefficient variation (CV) were both <10%. In the mAb-coated ELISA, mean DON recovery rates in animal feed (0 to 1,000 mg/kg) ranged from 68.34 to 95.49% (CV; 4.10 to 13.38%). DON in a buffer solution (250, 500 and 1,000 ng/mL) was isolated using 300 mg of NVRQS-DON and 3 mg of magnetic nanoparticles (MNPs). The mean recovery rates of DON using this mAb-MNP system were 75.2, 96.9, and 88.1% in a buffer solution spiked with DON (250, 500, and 1,000 ng/mL). Conclusively we developed competitive ELISAs for detecting DON in animal feed and created a new tool for DON extraction using mAb-coupled MNPs.
Park, Sung Won,Song, Sung Ok,Kim, Jin Suk 한국수의공중보건학회 2001 예방수의학회지 Vol.25 No.2
고성능액체크로마토그래프-후컬럼 유도화 형광검출법(HPLC-post column derivatization-fluorescence detection)과 함께 겔투과크로마토그래피(gel-permeation chromatography)가 동물조직 내의 카바메이트 살충제의 동시다제 분석(multi-residue analysis)을 위하여 널리 사용되고 있다. 그러나 이 방법은 고비용의 GPC 기구들, 비교적 긴 분석소요시간, 그리고 해로운 유기용매의 다량 사용과 같은 단점을 가지고 있기 때문에 대체할 수 있는 다른 방법의 개발이 필요하였다. 이 연구에서 지방과 쇠고기에 잔류하는 카바메이트의 간단하고 효율적인 잔류분석방법을 구축하기 위하여 액체-액체 분획법(liquid-liquid partitioning)을 겔투과크로마토그래프와 비교 실험을 하였다. 양쪽 방법들은 쇠고기 지방에 잔류하는 5가지의 카바메이트와 쇠고기 내의 3가지 카바메이트 분석에서 74.2∼130.8%의 높은 회수율을 나타냈다. 그러나 알디카브(aldicarb)의 회수율은 34.3%이었고, 겔투과크로마토그래피에 의한 쇠고기내의 메쏘닐(methonyl)은 검출되지 않았다. 이 연구의 결과는 겔투과크로마토그래프와 액체-액체 분획법이 모두 동물지방조직 내 잔류하는 카바메이트의 동시다제분석에 적합함을 보여주고 있다. 그러나 쇠고기의 가식조직에서는 액체-액체 분획법이 카바메이트의 동시다제잔류 분석에서 겔투과크로마토그래프 방법에 비하여 더 적절하였다.
박용남,송성옥,김의간,전효중 한국마린엔지니어링학회 1996 한국마린엔지니어링학회지 Vol.20 No.4
The torsional vibration of the propulsion shafting system equipped with viscous damper is investigated. The equivalent system is modeled by a two mass softening system with Duffing's oscillator and the vibratory motion is described by non-linear differential equations of second order. The damper casing is fixed at the front-end of crankshaft and the damper's inertia ring floats in viscous silicon fluid inside of the camper casing. The excitation frenquency is proportional to the rotational speed of engine. The steady state response of the equivalent system is analyzed by the computer and for this analyzing, the harmonic balance method is adopted as a non-linear vibration analysis technique. Frequency response curves are obtained for 1st order resonance only. Jump phenomena are explained. The discriminant for the solutions of the steady state response is derived. Both theoretical and measured results of the propulsion shafting system are compared with and evaluated. As a result of comparisions with both data, it was confirmed that Duffing's oscillator can be used in the modeling of the propulsion shafting system attached with viscous damper with non-linear stiffness.
이세동,송성옥,이종원,김춘식,최두열 한국마린엔지니어링학회 1998 한국마린엔지니어링학회지 Vol.22 No.1
This paper introduced the thermal characteristics of Moss Rosenberg Verft spherical tank type LNG Carrier. Especially described the temperature variation during cooling down condition. It is not easy task to calculate the temperature variation because of unsteady state condition. In this paper, computer simulation program is developed by using a Tomas Algorithm on unsteady state condition and compared with calculation results and experimental results on existing LNG Carrier voyage.