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단보 : 국내 분리 Enterococci중 박테리오신에 대한 phenotype과 genotype의 특징 조사
황인영 ( In Yeong Hwang ),남향미 ( Hyang Mi Nam ),임숙경 ( Suk Kyung Lim ),구현옥 ( Hyun Ok Ku ),박최규 ( Choi Kyu Park ),정석찬 ( Suk Chan Jung ) 한국수의공중보건학회 2010 예방수의학회지 Vol.34 No.4
One hundred one enterococcal isolates from feces of livestock animals in Korea were screened for the presence of bacteriocins. Sixteen of 41 (39%) E. faecalis and 4 of 56 (7.1%) E. faecium isolates showed antimicrobial activity against at least one indicator strain. Only 4 of 20 the enterococcal isolates showing antimicrobial activity possessed at least one bacteriocin gene. While entA and entB were detected in three isolates as a pair of genotype, entQ, bac31, and AS-48 were not found in the enterococcal isolates. In almost all isolates, a correlation between genotype and phenotype of these determinants was not always observed.
황인영(In-yeong Hwang),김승준(Seung-Jun Kim),이광연(Kwang-Yeon Lee),김소라(So Ra Kim),박미정(Mijung Park) 한국안광학회 2020 한국안광학회지 Vol.25 No.1
Purpose: In this study, the transition patterns of coloring and discoloring processes of photochromic lenses were separately compared and analyzed based on their manufacturing characteristics. Methods: Photochromic lenses with different manufacturing characteristics of color, manufacturing processing method, and additional coating were exposed to UV rays and the color change was compared by taking photos every 5 seconds and 90 seconds for coloring and discoloring, respectively. The transition degree of the photochromic lenses was also analyzed by calculating the color concentration of those photos through the ‘Quantity One’ program; the coloring and discoloring speeds were further compared. Results: The photochromic lenses were all colored within 40 seconds, regardless of the manufacturing characteristics; however, they were found to take up to 2,700 seconds to be discolored. In the case of photochromic lenses of the same manufacturing processing method, brown lenses showed faster coloring and discoloring than gray lenses and a higher coloring concentration. For the photochromic lenses of the same color, the lenses manufactured by a coating processing method showed faster coloring and discoloring as well as darker coloring than those manufactured by a monomer processing method. Photochromic lenses with additional mirror coating did not show enough additional coloring, as a sufficient amount of UV rays was not absorbed. Conclusions: By analyzing the transition patterns of photochromic lenses from the time spent on coloring and discoloring, the effect of the characteristics by the manufacturing process on the pattern and speed of coloring and discoloring were revealed in this study. Therefore, it may be suggested that the selection of photochromic lenses requires consideration of the manufacturing characteristics according to the users’ vision lifestyle.
국내 도축장 돼지에서의 브루셀라증에 대한 혈청학적 조사
허은정 ( Eun Jeong Heo ),김종완 ( Jong Wan Kim ),조동희 ( Dong Hee Cho ),남향미 ( Hyang Mi Nam ),조윤상 ( Yun Sang Cho ),황인영 ( In Yeong Hwang ),강성일 ( Sung Il Kang ),정석찬 ( Suk Chan Jung ),문진산 ( Jin San Moon ),위성환 ( S 한국수의공중보건학회 2010 예방수의학회지 Vol.34 No.3
For the screening of Brucella antibodies in pig, 2,140 pig serum samples were collected from six slaughter house in Korea between 2006 and 2007. The Rose Bengal test (RBT) and serum agglutination test (SAT) were used for initial screening for specific antibodies to Brucella, and competitive enzyme-linked immunosorbent assay (C-ELISA) was used for confirmation of presence of serum antibody for Brucella. Overall, 575 (26.9%) samples resulted in seropositive in RBT. In SAT, 50 (2.3%) and 10 (0.5%) samples showed suspicious positive and positive reaction, respectively, however, all sera tested in this study showed a negative reaction in C-ELISA. SAT and C-ELISA might be applicable as a tool for screening of swine brucellosis.