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체외 수정에 의한 임신 중 발견된 과자극 황체 난소 낭종 염전
김봉석 ( Bong Suk Seok ),김윤숙 ( Yoon Sook Kim ),서정호 ( Jeong Ho Seo ),송은석 ( Eun Suk Song ),김종민 ( Jong Min Kim ),이동운 ( Dong Woon Lee ),최홍준 ( Hong Jun Choi ),박혜인 ( Hye In Park ),배동한 ( Dong Han Bae ),양승하 ( Se 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.6
Ovarian torsion is the fifth most common condition in gynecologic surgical emergencies, with an incidence of 2.7% occuring mainly in women of reproductive age. It is an uncommon but well recognized complication of ovarian stimulation, especially when ovar
HPLC를 이용한 광합성색소 분석과 CHEMTAX 프로그램을 이용한 식물플랑크톤 군집조성 연구
이용우,박미옥,김윤숙,김성수,강창근,Lee, Yong-Woo,Park, Mi-Ok,Kim, Yoon-Suk,Kim, Seong-Su,Kang, Chang-Keun 한국해양학회 2011 바다 Vol.16 No.3
High-Performance Liquid Chromatograph(HPLC)를 이용하여 식물플랑크톤의 광합성색소를 분석한 결과를 토대로 CHEMTAX 프로그램을 이용하여 식물플랑크톤 군집조성을 추정하는 방법이 많이 이용되고 있다. CHEMTAX 프로그램은 식물플랑크톤 군집별(class level)로 체내에 존재하는 주요색소의 chlorophyll a에 대한 상대적인 비 값을 기초로 분석을 한다 본 연구는 국내 해역에서 분리한 식물플랑크톤 군집별 주요 종들이 가지는 광합성색소의 상대적인 비 값을 파악하고 이 자료를 기초로 남해안에 위치한 여자만과 가막만에서 측정한 광합성색소 분석결과에 대해서 CHEMTAX 프로그램을 이용하여 식물플랑크톤의 군집조성을 파악하였다. 국내해역에 존재하는 같은 군집종들 사이에서도 주요색소의 상대적인 비 값은 차이를 보였으며, 국외의 다른 해역에서 제시된 상대적인 비 값과도 상당한 차이를 보였다. 본 연구에서 얻은 비 값을 기초로 식물플랑크톤 군집조성을 분석한 결과, 다른 해역에서 제시된 비 값을 이용하여 분석한 결과와 유의한 차이를 보였다. 우점하는 군집(bacillariophyceae와 dinophytes)에 대해서는 5% 이내에서 차이를 보였으며, 비록 chlorophyll a에 대해서 낮은 기여도를 보이지만 pico와 nano 크기의 군집들(cyanophytes와 prasinophytes)에서는 상당한 차이(2배 이상)를 보였다. 비록 HPLC-CHEMTAX 분석방법은 식물플랑크톤 군집조성 연구에 유용하게 이용되고 있지만, 보다 정확한 결과와 식물플랑크톤의 생리, 생태를 이해하기 위해서는 연구해역에 존재하는 식물플랑크톤 종들에 대한 주요색소의 상대적인 비 값에 대한 연구가 계속적으로 진행되어야 할 것으로 판단된다. Many studies of the phytoplankton community structure have been conducted using the CHEMTAX program on the basis of the photosynthetic pigment concentrations measured by a HPLC (High-Performance Liquid Chromatography) technique. The CHEMTAX program determines the contribution of each phytoplankton class to total phytoplankton biomass (chlorophyll a) based on the ratios of marker pigment to chlorophyll a of phytoplankton group. In this study, the marker pigment/chlorophyll a ratios were investigated in phytoplankton species isolated from marine waters around the Korean peninsula. These results were used as the input pigment ratios of the CHEMTAX program to investigate phytoplankton community structure in Korean coastal waters (Yeoja and Gamak Bay). There were significant differences in the ratios of marker pigment to chlorophyll a among the different species within the same algal class. There was a significant difference between the values of our ratios and the previously used ratios in other regions of the world. When phytoplankton community composition was calculated using our initial ratios in Yeoja and Gamak Bay, our results were significantly different from the results calculated on the basis of initial ratios of marker pigment in phytoplankton suggested in other marine waters. The estimates of the contributions of the major algal groups (bacillariophyceae and dinophytes) to total chlorophyll a varied within 5% depending on the initial ratios chosen. The variations of estimates for the pico- and nanoplankton (cyanophytes and prasinophytes), which have relatively low contributions to total chlorophyll a, were higher than those for major algal group. Although the HPLC-pigment measurements combined with CHEMTAX analysis are useful for identifying and qualifying phytoplankton community structure, further researches for the pigment ratios of the dominant phytoplankton species presenting in a given area are also needed.
홍정진,설희경,김윤숙,정은호,김영봉,홍광표,Hong, Jeong Jin,Seol, Hui Gyeong,Kim, Yoon Suk,Jeong, Eun Ho,Kim, Yeong Bong,Hong, Kwang Pyo 한국식품영양학회 2019 韓國食品營養學會誌 Vol.32 No.4
This study was conducted to select cultivars and determine the harvest period suited for the availability of biological activities in unripen apple. To analyze effective the components in the apple (Malus domestica), three cultivars, 'Summerking', 'Hongro', 'Fuji' were harvested from 40~50 days after full bloom to harvest time. Soluble solid content increased gradually by ripening but titratable acidity decreased with ripening regardless of the cultivars. The total phenol content significantly reduced with ripening from May 30 to July 30 (p<0.05). Substantially, the total phenol content of 'Hongro' in May 30 was four times higher than that of 'Summerking' in the same period and ten times higher than that of 'Hongro' in August 30. The total flavonoid content reduced with ripening regardless of cultivars (p<0.05) and that of 'Hongro' in May 30 was significantly highest (p<0.05). The ascorbic acid content was the highest in 'Hongro' in May 30 (p<0.05). The contents of tannin and ursolic acid significantly reduced with ripening from May 30 to July 30 (p<0.05), while no significant difference was observed between Hogro and Fuji after July 30. Therefore, 'Hongro' harvested in May 30 was considered to be best in the utilization of the effective components of immature apple.
백정환 ( Jung Hwan Baek ),김윤숙 ( Yoon Suk Kim ),이덕기 ( Ducky Lee ) 대한갑상선학회 2008 International Journal of Thyroidology Vol.1 No.1
A 45-year-old female patient visited our thyroid center with thyrotoxic symptoms and bulging of left neck. Ultrasonogram showed a 3.1 cm sized solid thyroid nodule. The serum TSH level decreased (0.005 u/ml, normal range; 0.4∼4.0 u/ml), however the serum T3 and FT4 levels were within normal limit. 99mTc pertechnate scintigraphy showed a hot nodule in her left thyroid gland and suppression of the extra-nodular uptake. As she refused surgery and 131I radioiodine therapy, radiofrequency ablation was recommended. After two treatment sessions, the serum TSH level was normalized and hyperthyroid symptoms had resolved. At the 16-month follow-up, the hot nodule was invisible and the suppressed extra-nodular uptake had returned to normal. Radiofrequency ablation is a feasible minimally invasive modality for the treatment of an autonomously functioning thyroid nodule.