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VIP를 분비하며 신경절신경종의 분화를 가지는 갈색 세포종 1예
나민아,김상수,김동욱,최재훈,이태근,공옥녀,안준협,김지연,성한동,정철호,손석만,김인주,김용기 대한내분비학회 2003 Endocrinology and metabolism Vol.18 No.2
갈색 세포종은 신경내분비종양의 하나로 VIP를 포함한 다양한 신경내분비 펩타이드를 분비할 수 있다. 저자들은 만성 설사와 체중 감소를 주소로 내원한 환자에서 좌측 부신에 VIP를 생성하는 갈색 세포종을 진단하여 성공적으로 제거한 후 증상이 모두 호전된 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Vasoactive intestinal peptide (VIP) is a 28-amino acid peptide, which may cause secretory diarrhea by stimulating the production of adenylate cyclase. Neuroendocrine tumors, secreting vasoactive intestinal peptide (VIP), are almost always of a pancreatic in origin. However, a pheochromocytoma may produce several neuropeptides, containing VIP, as they are considered to be neuroendocrine tumors. A 57-year-old woman, who presented with chronic watery diarrhea, hypokalemia, weight loss and a left adrenal mass, is described. Histologically, the tumor was diagnosed as a pheoch-romocytoma, with ganglioneuronal differentiation, and was histochemically confirmed to produce a vasoactive intestinal polypeptide. A left adrenal VIP-producing pheochromocytoma was successfully resected. After surgery, her diarrhea subsided and the electrolytes, affected neuroendocrine hormone levels, blood pressure and blood sugar level were normalized (J Kor SOC Endocrinol 18:227-231, 2003).
박지숙,이민진,정재원,김미혜,이서연,지윤미,한준호,김유학,공명석,한광현,노희명 忠北大學校 農業科學硏究所 2015 農業科學硏究 Vol.31 No.2
It is important to interpret the soil chemical properties in order to effectively manage the farmland. This study was conducted to investigate the soil chemical properties of upland soybean field according to the soil series at 32 upland fields located in the parts of Gangwon-do. Soil sampling sites were selected by using the National Statistics DB and KSIS DB that is a soil environment information system provided by the Rural Development Administration. Soil samples were collected from 0~15 cm of top soil before seeding or transplanting, air-dried, passed through a 2 mm sieve, and analyzed for soil pH, EC, organic matter, available phosphorus (P2O5), exchangeable potassium, exchangeable calcium and exchangeable magnesium. The average chemical properties have exceeded the each nutrient optimum range level of RDA, except the organic matter in experimental soil 2015. And despite application of conventional fertilization, each soil series nutrient contents were change respectively. The results of this study suggest that conventional fertilization should be applied based on the analysis about the amount of accumulated nutrient contents in the soil.
이계영,민경인,정수일,박재범,안재진,김도균,김철환 대한악안면성형재건외과학회 2000 Maxillofacial Plastic Reconstructive Surgery Vol.22 No.4
Soft tissue expansion is widely used technique in oral & maxillofacial reconstruction and provide new method of reconstruction in posttraumatic alopecia, post burn, wide scar, congenital deformity, benign tumor, tattoo, etc. Expanded tissue flaps have the advantage of increased vascularity, proximity to the defect, and similarity of color and texture. They also preclude the need to advance flaps from distant sites. Tissue expansion can be used to form a well vascularized cavity to accomodate and nourish bone grafts. The following report describes the uses of tissue expanders by allowing bone grafting to correct both soft and bony defects of mandibular region
장세진,고상백,강동묵,김성아,강명근,이철갑,정진주,조정진,손미아,채창호,김정원,김정일,김형수,노상철,박재범,우종민,김수영,김정연,하미나,박정선,이경용,김형렬,공정옥,김인아,김정수,박준호,현숙정,손동국 大韓産業醫學會 2005 대한직업환경의학회지 Vol.17 No.4
Background and Purposes: Over the past three decades, numerous studies performed in Korea have reported that job stress is a determinant risk factor for chronic diseases and work disability. Every society has its own culture and occupational climate particular to their organizations, and hence experiences different occupational stress. An occupational stress measurement tool therefore needs to be developed to estimate it objectively. The purpose of this study is to develop and standardize the Korean Occupational Stress Scale (KOSS) which is considered to be unique and specific occupational stressors in Korean employees. Subjects and Methods: Data were obtained from the National Study for Development and Standardization of Occupational Stress (NSDSOS Project: 2002-2004). A total of 12,631 employees from a nationwide sample proportional to the Korean Standard Industrial Classification and the Korean Standard Occupational Classification were administered. The KOSS was developed for 2 years (2002-2004). In the first year, we collected 255 items from the most popular job stress measurement tools such as JCQ, ERI, NIOSH and OSI, and 44 items derived from the a qualitative study (depth interview). Forty-three items of KOSS, in the second year, were retained for use in the final version of the KOSS by using Delphi and factor analysis. Items were scored using conventional 1-2-3-4 Likert scores for the response categories. Results: We developed eight subscales by using factor analysis and validation process: physical environment (3 items), job demand (8 items), insufficient job control (5 items), interpersonal conflict (4 items), job insecurity (6 items), organizational system (7 items), lack of reward (6 items), and occupational climate (4 items). Together they explained 50.0% of total variance. Internal consistency alpha scores were ranged from 0.51 to 0.82. Twenty-four items of the short form of the KOSS (KOSS-SF) were also developed to estimate job stress in the work setting. Because the levels of the subscales of occupational stress were gender dependent, gender-specific standard norms for both the 43-item full version and the 24-item short form using a quartile for the subscales of KOSS were presented. Conclusion: The results of this study suggest that KOSS might be an appropriate measurement scale to estimate occupational stress of Korean employees. Further and more detailed study needs to be conducted to improve the validity of this scale.
Size-controlled InGaN/GaN nanorod LEDs with an ITO/graphene transparent layer
Shim, Jae-Phil,Seong, Won-Seok,Min, Jung-Hong,Kong, Duk-Jo,Seo, Dong-Ju,Kim, Hyung-jun,Lee, Dong-Seon IOP 2016 Nanotechnology Vol.27 No.46
<P>We introduce ITO on graphene as a current-spreading layer for separated InGaN/GaN nanorod LEDs for the purpose of passivation-free and high light-extraction efficiency. Transferred graphene on InGaN/GaN nanorods effectively blocks the diffusion of ITO atoms to nanorods, facilitating the production of transparent ITO/graphene contact on parallel-nanorod LEDs, without filling the air gaps, like a bridge structure. The ITO/graphene layer sufficiently spreads current in a lateral direction, resulting in uniform and reliable light emission observed from the whole area of the top surface. Using KOH treatment, we reduce series resistance and reverse leakage current in nanorod LEDs by recovering the plasma-damaged region. We also control the size of the nanorods by varying the KOH treatment time and observe strain relaxation via blueshift in electroluminescence. As a result, bridge-structured LEDs with 8 min of KOH treatment show 15 times higher light-emitting efficiency than with 2 min of KOH treatment.</P>
Park, Jae-Min,Kim, Mina,Min, Jiho,Lee, Si-Myung,Shin, Kong-Sik,Oh, Sung-Dug,Oh, Suk-Jung,Kim, Yang-Hoon American Chemical Society 2012 Journal of agricultural and food chemistry Vol.60 No.16
<P>For the identification of a novel insecticidal protein, a two-dimensionalliquid chromatography (PF-2D) system was used in a quantitative proteomicanalysis of Xenorhabdus nematophila CBNU strain isolated from entomophagous nematode Steinernema carpocapsae. Protein patterns obtainedfrom minimum and maximum insecticidal activities during cultivationwere contrasted, and a novel toxin protein (Txp40) was identifiedby MALDI-TOF/MS. The DNA sequence of the cloned toxin gene (1089 bp)has an open reading frame encoding 363 amino acids with a predictedmolecular mass of 41162 Da. The <I>txp40</I> identifiedin this study is most closely related to the known <I>txp40</I> cloned from <I>X. nematophila</I> EB (ADQ92844) with 94.4%identical sequence residues. Following the expression of the newlyidentified toxin gene in Escherichia coli, the insecticidal activity of the recombinant toxin protein wasdetermined against Plutella xylostella larvae; a 56.7% mortality rate was observed within 24 h.</P>