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박준연,이유현 대한핵의학회 2020 핵의학 분자영상 Vol.54 No.5
Cervical metastasis of squamous cell carcinoma from an unknown primary site occurs in approximately 2–4% of head and neck tumor cases.Without identification of the primary site, propermanagement cannot be achieved, resulting in significant morbidity and a lower cure rate. For the primary site assessment, positron emission tomography/computed tomography (PET/CT) using the radiotracer 18F-fluorodeoxyglucose (FDG) is the imaging modality of choice and has been shown to be superior to CT alone. Here, we report a case of cervical metastasis of squamous cell carcinoma in an 82-year-old man. 18F-FDG PET/CT revealed a tongue-base lesion, although neck CT detected no lesions because of artifacts from dental prosthesis, which was suspected as the primary site. The final diagnosis was confirmed as tongue-base cancer with neck lymph node metastases through biopsy. These results suggest that 18F-FDG PET/CT is a valuable diagnostic tool in patients with cervical metastatic lymph nodes because it can demonstrate primary tumors in patients with dental prosthesis.
수확 후 aminoethoxyvinylglycine(AVG)와 1-methylcyclopropene(1-MCP) 처리가 ‘홍옥’ 사과의 저온저장 중 과실품질에 미치는 영향
박준연,김경욱,유진기,나이묘위,이진욱,정명근,정희영,강인규 한국식품저장유통학회 2016 한국식품저장유통학회지 Vol.23 No.4
‘Jonathan’ apples are relatively small size which contributes to enhancing fruit consumption and gaining popularity. Thus, this study was carried out to evaluate the effects of AVG (aminoethoxyvinylglycine, ReTain®), sprayable 1-MCP (1-methylcyclopropene, HarvistaTM), and fumigation 1-MCP (SmartFreshTM) applications on fruit quality attributes and storability in ‘Jonathan’ apple fruits during cold-stored. The Jonathan fruits were dipped with either ReTain (75 mg/L) or Harvista (125 mg/L) solutions for 5 min, or fumigated with SmartFresh (1 mg/L) for 18 hr before storage at 0±1℃ for 75 days. Flesh firmness and titratable acidity remained higher in all pre-treated apples than control ones during cold storage period. Flesh firmness was higher for apples treated with ReTain and SmartFresh than samples treated with Harvista, while soluble solid content and respiration rate were not affected by sample pretreatment. Internal ethylene concentration (IEC) of all pretreated apples remained below about 4.5 μL/L during the entire storage period while that of control sample greatly increased to 10.29 μL/L. Ethylene production was much higher in control fruits than in treated ones during cold storage. These results indicated that ReTain and 1-MCP treatments would be considerably effective in retention of fruit quality attributes of ‘Jonathan’ apple during cold-stored.
랜드레이스와 요크셔종의 생시체중, 복당생시체중변이와 산자수에 대한 유전모수 추정
박준,이학교,이일주,황도연,박경도 경상대학교 농업생명과학연구원 2021 농업생명과학연구 Vol.55 No.5
본 연구는 6개 핵돈군생산농장(Great grand parents, GGP)에서 2015년 이후 태어난 Landrace종과 Yorkshire종의 두 품종에 대하여 생시체중 (Birth weight; BW), 복당평균생시체중(Mean of litter birth weight; MBW0)과 변이계수(Coefficient of variation in MBW0; CVMBW0) 및 산자수(Litter size) 등에 대한 유전모수를 추정하였다. Landrace종에서 총산자수(Total number of piglets born; TNB), 생존산자수(Number of piglets born alive: NBA), 복당평균생시체중 및 복당평균생시체중 변이계수의 유전력은 각각 0.14, 0.09, 0.33 및 0.16. Yorkshire종에서는 각각 0.11, 0.99, 0.28 및 0.07로 추정되었다. 산자수와 복당평균생시체중 간에는 부(-)의 상관관계를 나타내었으며, 복당평균생시체중과 변이계수사이의 표현형상관과 유전상관이 두 품종에서 모두 –0.40에서 –0.45로 높게 나타났다. 자돈 생시체중에 대한 균일도를 개량하기 위해서는 복당평균생시 체중(MBW0)과 복당평균생시체중변이계수(CVMBW0)를 선발지수식에 포함시키는 것이 바람직하다고 생각된다. For 2 pig breeds (Landrace and Yorkshire) produced from 6 GGP (Great grand parents) farms after 2015, genetic parameters including birth weight (BW), mean of litter birth weight (MBW0), coefficient of variation in MBW0 (CVMBW0) and litter size were estimated. The estimated heritabilities estimates for the total number of piglets born (TNB), the number of piglets born alive (NBA), gestation period (GP), MBW0 and CVMBW0 were 0.14, 0.09, 0.39, 0.33, and 0.16, respectively for Landrace, while those were 0.11, 0.99, 0.36, 0.28, and 0.07, respectively for Yorkshire. The litter size and MBW0 were negatively correlated, and the estimates for the phenotypic and genetic correlation coefficients between MBW0 and CVMBW0 were high and in the range of –0.40 and –0.45 in both breeds. It would be desirable to include MBW0 and CVMBW0 to the selection index for the improvement of the degree of uniformity of piglet birth weight.
일본의 전통복식을 응용한 현대패션 디자인 -에도시대의 우키요에 ‘미인화’를 중심으로-
남슬아, 박준연, 이선경, 조경찬, 김지영 충북대학교 생활과학연구소 2019 생활과학연구논총 Vol.23 No.2
The purpose of this study is to look at the features seen in Ukiyo-e, to understand traditional Japanese costumes, and then to develop new, contemporary fashion designs using both as sources of creative inspiration. As a research method, literature was first reviewed on the social and cultural background of the Edo period and the characteristics of Ukiyo-e and beauty paintings. Then, 108 works were selected for the study by extracting Ukiyo-e artwork from websites and books. The analysis showed that broad collar and rounded sleeves were used frequently, as were plant patterns and geometric patterns. Reds and yellows were the most common colors. Obi most commonly featured geometric patterns, and yellow and red colors were used to show similarities or contrasting colors with Gosode. Based on the theoretical study and analysis, the design concept was set as “Knot” and two clothing items were produced. They were presented as flat design sketches using Adobe Illustrator CC. The works were designed by reinterpreting the characteristics and traditional patterns of paintings in Ukiyo-e and offering a modern take on the shape of the obi.