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국내산 무지개송어(Oncorhynchus mykiss)의 생산지에 따른 영양성분 비교
윤나영,인정진,안병규,한형구,손승아,이우진,이종봉,배연주,박혜민,주홍준,심길보 한국수산과학회 2023 한국수산과학회지 Vol.56 No.1
This study compared the nutritional composition of rainbow trout Oncorhynchus mykiss from different inland-based trout farms. The proximate composition ranges of the fish were 67.10–72.77 g/100 g moisture, 19.13–21.35 g/100 g crude protein, 5.12–11.72 g/100 g crude lipid, and 1.24–1.97 g/100 g ash. In addition, rainbow trout contained significantly different mono- and poly-unsaturated fatty acid concentrations, ranging from 1.31 to 4.33 g/100 g and 1.21 to 3.2 g/100 g, respectively. The content of n-3 and n-6 fatty acids ranged from 0.68 to 1.68 and from 0.49 to 1.61 g/100 g, respectively. The n-6/n-3 ratio was in the range of 0.79–1.59. The vitamin content of the rainbow trout from the different farms was 14.83–49.30 μg/100 g vitamin A, 922.05–3,179.38 μg/100 g alpha-tocopherol, ND–73.59 μg/100 g, gamma-tocopherol, 2.97–14.55 μg/100 g vitamin D, and 76.63–126.03 μg/100 g vitamin B2. Slight differences were observed in the crude lipid, fatty acid, and vitamins A and E contents among the of rainbow trouts from the different farms. The results suggest that the fish nutrient composition, especially that of lipids, was significantly different among rainbow trouts from different farms, but may not be related to the production area.
Gemcitabine 이 봉입되고 CR2945가 결합된 리포좀 제제의 in vivo 항암 활성
윤나영,김진석 숙명여자대학교 약학연구소 2005 약학논문집-숙명여자대학교 Vol.22 No.-
항암제 gemcitabine 이 봉입되고 CR 2945 를 표적 지향적 리간드로 결합시킨 리포좀을 이용하여 인간 췌장암세포(PANC-I)가 이식된 실험용쥐 (Balb/cnumice) 에 주사하여 그 항암활성을 조사하였다. Gemcitabine 이 봉입되고 CR 2945 가 결합된 리포좀과 CR 2945 가 비결합된 리포좀 군에서는 투여 중간에 약물자체의 독성에 의해 사망한 쥐는 없었으나 gemcitabine을 PBS에 녹여 투여한 군에서는 3회 투여부터 사망한 쥐가 발생하였다. 그러나 항암효과 면에서는 Gemcitabine 이 봉입되고 CR 2945 가 결합된 리포좀군, free gemcitabine 군, 그리고 PBS 군 사이에 통계학적인 차이가 나타나지 않았다. 이는 리포좀에 봉입함으로써 gemcitabine 의 독성은 줄어 들었지만 항암효과는 크게 향상시키지 못했음을 나타내고 있기에 제형 개발에 대한 연구가 더 진행되어야 할 것으로 생각된다.
생굴(Crassostrea gigas)의 선도 변화에 포장용기가 미치는 영향
윤나영,안병규,인정진,한형구,이우진,서정화,정삼근,심길보 한국수산과학회 2022 한국수산과학회지 Vol.55 No.1
The shelf life of oysters Crassostrea gigas, in two different types of packaging containers, polyethylene (PE) and polyethylene terephthalate (PET), was determined by evaluating the pH, glycogen and soluble protein content, turbidity, and viable cell count. After 7 days of storage, the pH of the packing water in the PE container decreased to 5.88, while the pH in the PET container decreased to 6.03. In the PE container, the glycogen content of the oysters decreased by 0.85 g/100 g and the soluble protein content and turbidity of the packing seawater increased by 1,927.21 mg/100 g and 3.24 McF, respectively. In the PET container, the glycogen content of the oysters decreased by 0.96 g/100 g and the soluble protein content and turbidity of the packing seawater increased by 1,674.75 mg/100 g and 0.98 McF, respectively. The reaction rate constants (K) were as follows: glycogen content, -0.18 (PE) and -0.10 (PET); soluble protein content, 0.29 (PE) and 0.26 (PET); and turbidity, 0.41 (PE) and 0.06 (PET). These results suggested that PET can be used as a new packaging container material for raw oysters because the quality is maintained and it offers more convenient handling during distribution.
Chilling Requirement for Dormancy Release of Variegated Solomon’s Seal
윤나영,이용하,정현환,김기선 한국원예학회 2011 Horticulture, Environment, and Biotechnology Vol.52 No.6
Dormancy release of variegated Solomon’s seal (Polygonatum odoratum Druce var. pluriflorum Ohwi for. variegatum Y.N.Lee) was studied by varying the transferring date from the field to greenhouse and by cold storage in order to identify their precise chilling requirement. Bud emergence and flowering did not occur throughout the experiment when dormant rhizomes were transferred until a calendar date November 22, 2009, in which natural cumulative chill unit (NCU) was 75 h. Days to sprouting, flowering, and flower abscission were shortened with delayed transferring dates. Percent sprouting and flowering showed an increasing tendency since rhizomes were transferred on December 7 (= 241 h NCU), but emergence date was not uniform. However, uniform percent sprouting was maintained since rhizomes were transferred on December 22 (= 492 h NCU). No or 1 week of cold storage at 0 or 5℃ did not induce sprouting, which meant bud dormancy was not released when rhizomes were stored ≤ 1 week. When they were stored for more 2 weeks at 0 or 5℃, percent sprouting was increased to ≥91% in the heated greenhouse. Cumulative chill unit (CCU) was 336 h at 0℃ and 225 h at 5℃. However, bud emergence date after 2 weeks of cold storage was not uniform at both storage temperatures, whereas bud emergence after 4 weeks of cold storage at 0℃ was more uniform than that at 5℃. Therefore, at least 492 h NCU, 4 weeks of cold storage at 0℃ (= 672 h CCU), or 6 weeks at 5℃ (= 675 h CCU) is recommended for forcing and normal growth afterward of variegated Solomon’s seal.
경량 딥러닝을 이용한 다중 손상 자동탐지를 위한 객체 증강
딘윈넉현 ( Dinh Nguyen-ngoc-han ),안용한 ( Ahn Yong-han ) 한국구조물진단유지관리공학회 2022 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.26 No.1
Computer Vision (CV) -based construction damages has been widely developed and resulted in potential alternative over traditional visual inspection. Howerver, the current deep learning models require an enormous data size, and relatively computational-expensive. Therefore, collecting and create more data has been an crucial state in the process of excecution, especially in the context of multi-damages detection with surround different types of object images. Therefore, an object aumentation and lightweight neural network has been introduced with the aim to improve the computional perfomance and address limitation of shortage and imbalance data
Development of CINEMA Mission Uplink Communication System
윤나영,윤세영,김용호,윤지원,진호,선종호,채규성,이동훈,Robert P. Lin 한국우주과학회 2012 Journal of Astronomy and Space Sciences Vol.29 No.1
Triplet Ionospheric Observatory (TRIO) CubeSatforIon, Neutral, Electron MAgneticfields (CINEMA) is a CubeSat with the weight 3 kg that will be operated in the orbit conditions of about 800 km altitude and 90° inclination angle, using the S-band and ultra-high frequency (UHF)-band communication frequencies. Regarding the communication antenna loaded on the satellite, the two patch antennas has the downlink function in the S-band, whereas the two whip antennas has the function to receive the command sent by the ground station to the satellite in the UHF-band. The uplink ground station that communicates through the UHF-band with the CINEMA satellite was established at Kyung Hee University. The system is mainly composed of a terminal node controller, a transceiver, and a helical antenna. The gain of the helical antenna established at the Kyung Hee University ground station was 9.8 dBi. The output of the transceiver was set to be 5 W (6.9 dB) for the communication test. Through the far-field test of the established system, it was verified that the Roman characters, figures and symbols were converted into packets and transmitted to the satellite receiver in the communication speed of 9,600 bps.