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청주지역 외식업체에서 제공되는 수육 및 부가식품의 미생물 위해분석
권순영(Soon Yuoung Kwon) · 서현숙(Hyun Suk Seo) · 정하연(Ha Yeun Jung) · 황선영(Sun Young Hwang) · 이유진(Yu jin Lee) · 김운주(Woon Ju kim) 충북대학교 생활과학연구소 2008 생활과학연구논총 Vol.12 No.2
This study, by conducting microbiological hazard analysis for boiled pork hock and additional foods that are distributed through delivery among the ready-to-eat foods, which are expected to see increase in demands, we intend to use the analysis as a basic material for improving quality management. We have randomly selected 3 restaurants selling boiled pork hock situated in Cheongju, Chungcheongbukdo, and conducted a microbiological hazard analysis on boiled pork hock and Vegetables, Salt fermented Shrimps. As a result, DR-1 and DR-3 boiled pork hock were found to exceed putrefaction standard of total aerobic bacteria. DR-2 salted shrimps had already entered putrefaction stage. Boiled pork hock, salted shrimps, chilli, lettuce were all included in contamination range of Total coliforms. For E. coli, bacteria had been found in DR-3 boiled pork hock and it was found positive in DR-1 and DR-3 salted shrimps but it wasn't found in garlic during 3 tests. Among DR-1, DR-2, and DR-3 of boiled pork hock, salted shrimps, lettuce, chilli, and garlic, staphylococcus aureus was found in DR-3 boiled pork hock and lettuce and DR-2 chilli. We have tested for Listeria monocytogenenes in boiled pork hock and salted shrimp, it was found in DR-3 boiled pork hock. No germs were found for Salmonella spp., Shigella spp. in boiled pork hock and Vibrio parahamolyticus in salted shrimp. In conclusion, it is considered that sanitary management system is required for ready-to-eat foods and delivery foods for its entire process of production until it is served on consumers table.
조성동(Sung Dong Cho),김정준(Jeong Joon Kim),김형진(Hyung Jin Kim),팽재필(Jae Phil Paeng),박지훈(Ji Hoon Park),권순영(Soon Young Kwon),최종욱(Jong Ouck Choi),안덕선(Deok Sun Ahn),정광윤(Kwang Yoon Jung) 대한두경부종양학회 2002 대한두경부 종양학회지 Vol.18 No.1
Background: Free flaps have become a very important role in the ablative head and neck surgery with functional preservation of defect sites. The forearm free flap has many advantage of lack of bulk, ease of dissection, vascularity, and malleability. Patients and Methods: A review of 51 radial forearm free flaps performed between may 1990 and feburary 2001 at the Korea University was undertaken to determine outcome. Patient age ranged 27 to 72 years (mean 56). There were 44 men and 7 women. The most prevalent neoplasm was squamous cell carcinoma. Results: The tans verse cervical artery and the external jugular vein were the most frequent receipient sites for microvascular anastomosis. Total flap loss occurred in 2 cases (4%) and other complications were seen in 42%. Fifteen patients received preoperative irradiation and the complication was higher than non-irradiation patients, but statistically not significant. Conclusion: The radial forearm free flap offers a variety of reconstructive options for head and neck. Its low flap loss and complication rates offer the best choice for reconstruction of defect of head and neck malignancy.
타액선암에서 c-kit 유전자에 대한 분자생물학적 연구
서규환(Kyu Hwan Seo),정광윤(Kwang Yoon Jung),우정수(Jung Soo Woo),백승국(Seung Kuk Baek),최성배(Sung Bae Choi),김상희(Sang Hee Kim),김인선(In Sun Kim),권순영(Soon Young Kwon) 대한두경부종양학회 2003 대한두경부 종양학회지 Vol.19 No.2
Objectives: The c-kit gene encodes a transmembrane receptor-type tyrosine kinase, which is known to have a significant role in the normal migration and development of germ cells and melanocytes. In the previous studies of c-kit gene, c-kit expressions showed only in adenoid cystic carcinomas, lymphoepithelioma-like carcinomas and myoepithelial carcinomas, but not in others and mutation was not found in any types of salivary carcinoma. We investigate the c-kit expression which may be useful to differentiating adenoid cystic carcinomas from others, and mutation of the gene which may not be exist nor the mechanism of c-kit activation in salivary carcinomas. Material and Methods: The archival tissue samples from 42 salivary carcinomas of major and minor salivary glands were studied for c-kit expression by immunohistochemistry and gene mutation by polymerase chain reaction amplification and single strand conformational polymorphism. Results: The c-kit expressions were noted in 22/24 adenoid cystic carcinomas, 7/9 mucoepidermoid carcinomas, 2/3 acinic cell carcinomas, 3/4 malignant mixed tumors, and one undifferentiated carcinoma. The mutation of c-kit gene was found in 3/24 adenoid cystic carcinomas, 3/8 mucoepidermoid carcinomas, one acinic cell carcinoma, and 2/4 malignant mixed tumors. Conclusion: c-kit protein overexpression is seen in a variety of salivary gland carcinomas, and the mutation of the gene may be the mechanism of c-kit activation in these neoplasms.