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비전형적인 심하복벽동맥의 주행을 파악하기 위한 수술 전 CT Angiography의 유용성
이택종,김성찬,엄진섭,김은기,Lee, Taek-Jong,Kim, Sung-Chan,Eom, Jin-Sup,Kim, Eun-Key 대한미세수술학회 2012 Archives of reconstructive microsurgery Vol.21 No.1
Purpose: Purpose: The free deep inferior epigastric artery perforator (DIEP) flap is a popular option for autologous breast reconstruction. However, the anatomy of the deep inferior epigastric artery(DIEA) may vary from one individual to another. Unexpected vascular anomaly can confuse the surgeon and affects on the safety of the free DIEP flap. Materials and Methods: Thirty five consecutive patients who underwent free DIEP/TRAM flap for immediate breast reconstruction between Mar. 2010 and Oct. 2010 were enrolled in this study. Computed tomography angiography (CT angiography) of abdomen was evaluated part of our standard preoperative assessment: atypical patterns of DIEA/DIEP were evaluated by preoperative CT angiography and compared with intraoperative finding. Results: Atypical patterns of DIEA/DIEP which may affect preoperative planning were noted as the following: Circummusclar/subfascial DIEA (n=1), DIEA running underneath rectus muscle (n=8), septocutaneous perforator (n=3), peritoneo-cutaneous perforator (n=1), a large branch going into peritoneum (n=1), and very early division and muscle penetration of DIEA (n=1). Conclusion: Atypical DIEA/DIEP that might change the operation plan is not rare, so the individualized planning based on the preoperative CT angiography is recommended. Preoperative CT angiography could help to select reliable and easy-to-dissect perforator in free DIEP/TRAM breast reconstruction.
연구보문 : 자연과학 ; 베트남 하노이지역 작기에 따른 국내 토마토 품종의 수확량 및 과실 특성
이택종 ( Taek Jong Lee ),쩌우후앙민 ( Hoang Minh Chau ),하또투 ( To Thi Thu Ha ),이기환 ( Gi Hwan Yi ),박동진 ( Dong Jin Park ),김현순 ( Hyun-soon Kim ),김남수 ( Nahm Su Kim ),박춘근 ( Choon Keun Park ),조원대 ( Weon Dae Cho ) 한국국제농업개발학회 2012 韓國國際農業開發學會誌 Vol.24 No.3
This study was conducted to investigate the yield and fruit characteristics of Korean tomato (Lycopersicon esculentum Mill.) cultivars in two different cropping seasons (February 2011 to February 2012) in Hanoi, Vietnam. The experiment was arranged in a completely randomized block design, with three replications. Eight Korean cultivars, specifically, ``Pink Top``, ``Kyupirang``, ``Super Dotaerang``,``Sun Red``, ``Sun Glove``, ``TP-7 Plus``, ``Lovely 250``, and ``Gwangbok``, and one Vietnamese cultivar, ``FM 120``, were transplanted in an open field in March (spring-summer) and October (fall-winter) of 2011. The cropping season significantly affected the plant height (cm), stem diameter (mm), fruit (no.) and total yield (kg) per plant, fruit length (cm) and width (cm), fruit weight (g) per plant, and total soluble solids (TSSs, °Brix). However, the dry weight (%) and vitamin C (mg/100 g) content showed no significant differences in the different cropping seasons. The highest values for the growth and fruit characters of tomato appeared during the fall-winter season, whereas the highest TSSs (4.8 oBrix) was observed in the fruit harvested during the spring-summer season. The Vietnamese cultivar ``FM 120`` showed highest values of fruit per plant (33.8), total yield (3.6 kg), and vitamin c content (13.9 mg/100 g) for both cropping seasons. However, the highest values for the plant height, fruit length, fruit width, and fruit weight were observed in the Korean cultivars. Therefore, the fall-winter cropping season is recommended as the optimum season for enhancing the fruit yield and characteristics of Korean tomato cultivars under the environmental conditions of Hanoi in Vietnam.
Taek Jong Lee(이택종),Binod Prasad Luitel(루이텔 비노드),Kweon Heo(허권),Bong Jun Choi(최봉준),Won Hee Kang(강원희) (사)한국생물환경조절학회 2011 시설원예‧식물공장 Vol.20 No.4
본 연구는 칼륨의 독성에 따른 배추의 생육과 생리적 특성 그리고 형태적 변화를 관찰하기 위하여 수행하였다. 100mM의 칼륨 농도 처리구까지 전체적인 생육이 증가한 반면, 600mM 처리구에서 생육이 가장 저조하였다. 칼륨 처리 농도가 높을수록 N, P, K, 함량은 증가하였지만 Ca, Mg, Na 함량은 감소하는 경향을 보였으며 미량원소, Fe, Mn, Zn의 경우 100mM의 처리구에서 가장 높은 함량을 나타내었다. 생체중당 Chl a, b와 carotenoid 함량은 600mM에서 가장 많이 증가하였으나 증가한 엽록소 함량에 비해 광합성효율(Fv/Fm)은 처리구간에 차이가 없었고 CO₂ 동화율은 오히려 감소하였다. 이는 칼륨 과다에 의한 삼투스트레스의 결과로 기공의 퇴화와 CO₂ 동화능력과 밀접한 관계가 있는 것을 형태학적 관찰로 확인되었다. Total free amino acid의 경우 100mM 처리구까지 칼륨 처리 농도가 증가함에 따라 증가한 반면 600mM에서 급격히 감소하였다. 따라서 본 실험에서의 배추는100mM의 칼륨 농도까지는 긍정적인 효과가 있는 것으로 판단되었다. Overusing chemical fertilizers involves potassium accumulation in the soil, which can become a toxicity problem in agriculture. This study was conducted to investigate the effect of potassium (K) treatment on growth, physiological characteristics, and morphological changes using Chinese cabbage (Brassica rapa L. ssp. campestris). With high (600 mM) K treatment, the plant growth traits of leaf length, leaf area, and fresh and dry weight of shoots and roots decreased, whereas chlorophyll content increased. As the concentration of K increasing, total N, P, and K increased in leaves, but concentrations of Ca, Mg, and Na decreased. However, Mn, Fe and Zn contents were highest in 100 mM K treatment. Chlorophyll a, b, and carotenoids increased with increasing K concentration. Maximum photochemical efficiency (Fv/Fm) was not significant in the all treatments, whereas CO₂ assimilation decreased with increasing K level due to stomatal degradation. Total free amino acids increased with the 10 and 100 mM K but decreased at 600 mM K treatments. Therefore, the growth and physiological characteristics of Chinese cabbage ascertained that tolerance up to 100 mM K when grown with nutrient solution in pot culture.
Breast Reconstruction with Superior Gluteal Artery Perforator Flap in Asian
정우식,이택종,엄진섭,Jeong, Woo Shik,Lee, Taek Jong,Eom, Jin Sup The Korean Society for Microsurgery 2013 Archives of reconstructive microsurgery Vol.22 No.1
Purpose: Breast reconstruction with lower abdominal tissue can produce the best outcome with acceptable rates of long-term complication. However, for cases in which sufficient abdominal tissue is not available, an superior gluteal artery perforator (SGAP) flap can be considered as the next option for autologous breast reconstruction. Materials and Methods: Among a total of 63 women who underwent breast reconstruction with free autologous tissue transfer from July 2010 to April 2011, SGAP flap was performed for four patients. In two cases, patients did not have enough abdominal tissue for sizable breast reconstruction. In another case, the patient had a long abdominal scar due to donor hepatectomy of liver transplantation. In the last case, which was a revisional case after radiation necrosis of a previous pedicled transverse rectus abdominis musculocutaneous (TRAM) flap, a large amount of healthy skin and soft tissue was needed. SGAP flap was elevated in lateral decubitus position. The internal mammary vessels were used for recipient vessels in all cases. Results: Breast reconstruction was performed successfully in all four cases without flap loss. Donor site complication was not observed, except for one case of seroma. The shape of the reconstructed breast was satisfactory in all patients. Conclusion: SGAP flap is an excellent alternative option for the TRAM or deep inferior epigastric artery perforator flap for breast reconstruction. In terms of narrower width, harder consistency of soft tissue, and shorter pedicle, it is clear that the SGAP flap is less competent than the TRAM flap. However, in cases where abdominal tissue is not available, SGAP flap is the only way of providing a large amount of healthy tissue.