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H-Y 에 대한 단일클론 항체의 생산 및 그 이용에 관한 연구 1 . H-Y 에 대한 단일클론항체의 생산
심호섭(H . S . Shim),김재화(J . H . Kim),이병철(B . C . Lee),김종배(J . B . Kim),박홍양(H . Y . Park),정길생(K . S . Chung) 한국축산학회 1988 한국축산학회지 Vol.30 No.7
Testis supernatant, a source of H-Y, obtained from BALB/c mice was used to immunize females of same strain. B lymphocytes of mouse producing antibodies to H-Y were fused with SP2/0-Ag 14 myeloma cells and distributed to 384 wells of 96-well microtiter plates. Eighty hybridoma colonies were formed, resulting in 20.8 percent of fusion efficiency. Three strong positive wells from hybridoma colonies were selected for cloning by ELISA and two of them were also found to be positive by indirect immunofluorescence test. Twelve wells of ELISA-positive were selected after cloning and 2D45D4 clones from them were confirmed to produce monoclonal antibodies to H-Y by indirect immunofluorescence test.
생쥐수정란에 대한 H - Y 항체처리가 산자의 성비에 미치는 영향
심호섭,고정재,김종배,박홍양,정길생 ( H . S . Shim,J . J . Ko,J . B . Kim,H . Y . Park,K . S . Chung ) 한국축산학회 1986 한국축산학회지 Vol.28 No.12
These experiments were carried out to control the sex of offsprings in mice by sexing embryos using immunological means prior to transfer to pseudopregnant recipients. H-Y antisera were prepared in inbred SD female rats by repeated immunization of testis supernatant and spleen cells from males of same strain. ELISA and indirect immunofluorescence test were used to detect H-Y antibody in antisera. Eight- to 16-cell mouse embryos were cultured in medium with H-Y antibody and complement (treated embryos) and in medium with BSA (control embryos). After 24-48 hr of culture, embryos were observed their morphological characteristics under the phase contrast microscope. Embryos developed to normal blastocyst were transferred to pseudopregnant recipients and sex of resultant offspring was investigated. The results obtained in these experiments were summarized as follows: 1. Production of H-Y antibodies in antisera obtained from immunized rats was confimed by ELISA and indirect immunofluorescence test. 2. Of 270 embryos treated with H-Y antibody and complement, 126 embryos (46.7%) were developed to normal blastocysts. 3. Following transfer of 126 blastocysts, 16 embryos (12.6%) were survived to term and 13 females (81.3%), significantly high ratio of female offspring, were produced.
Park, J.K.,Lee, D.H.,Cho, C.H.,Yuk, S.S.,To, E.O.,Kwon, J.H.,Noh, J.Y.,Kim, B.Y.,Choi, S.W.,Shim, B.S.,Song, M.K.,Lee, J.B.,Park, S.Y.,Choi, I.S.,Song, C.S. Elsevier Scientific Pub. Co 2014 Veterinary microbiology Vol.169 No.3
Avian influenza virus (AIV) subtype H9N2 has been evolving rapidly and vaccine escape variants have been reported to cause circulation of infections and economic losses. In the present study, we developed and evaluated ectodomain of the AIV matrix 2 (M2e) protein as a supplementing antigen for oil-based inactivated H9N2 vaccine to increase resistance against vaccine escape variants. AIV H9N2 M2e antigen was expressed in Escherichia coli and supplemented to inactivated H9N2 oil emulsion vaccine. Specific pathogen-free chickens received a single injection of inactivated H9N2 oil emulsion vaccines with or without M2e supplementation. At three weeks post vaccination, hemagglutination inhibition tests and enzyme-linked immunosorbent assays were performed to determine serological immune responses. Challenge study using a vaccine escape H9N2 variant was performed to evaluate the efficacy of M2e supplementation. M2e antigen supplemented in oil emulsion vaccine was highly immunogenic, and a single M2e-supplemented vaccination reduced challenge virus replication and shedding more effectively than non-supplemented vaccination.
PSNR estimation scheme using coefficient distribution of frequency domain in H.264 decoder
Shim, S.-Y.,Moon, J.-H.,Han, J.-K. IET 2008 Electronics letters Vol.44 No.2
<P>Peak signal-to-noise ratio (PSNR) is commonly used as a measure for the quality of the reconstructed picture where the original picture is used as reference data. Since the original picture is not available in the video decoder, the receiver cannot evaluate the quality of the reconstructed image from the viewpoint of PSNR. Proposed is an efficient method to estimate PSNR using the statistical distribution of the integer transform coefficient in an H.264 decoder.</P>
Shim, E.,Park, Y.,Bae, S.,Yoon, J.,Joo, H. Pergamon Press ; Elsevier Science Ltd 2008 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY - Vol.33 No.19
In this study the enzymatic hydrogen production and chromium(VI) reduction with the light-sensitized photoanode were examined. The photoanodes with higher activities (450-650<SUP>o</SUP>C) had similar X-ray diffraction (XRD) patterns, clearly indicating that the samples showing the highest evolution rate were composed of both anatase and rutile. Optimum thickness of Ti foil was 0.25mm and platinum cathode could be replaced with the anodized Ti foil. Quasi-stoichiometric hydrogen and oxygen evolution was obtained from the system, recording ca. 104μmol of H<SUB>2</SUB>/(hxcm<SUP>2</SUP>, ATTE) at 100mW/cm<SUP>2</SUP>. On the other hand, the immobilized nanotubular TiO<SUB>2</SUB> was also used to photocatalytically reduce toxic Cr(VI) to non-toxic Cr(III) in aqueous solution under UV irradiation. Based on the results, the Cr(VI) reduction was favorable in acidic conditions, with ∼98% of the Cr(VI) being reduced within 2h at pH 3.
Au 가 이산적으로 분포된 SnO₂_(-x) 박막의 가스감지 특성
심창현,정완영,박효덕,이재현,이덕동 경북대학교 센서기술연구소 1991 센서技術學術大會論文集 Vol.2 No.1
Sn thin film was deposited by thermal evaporation of Sn granulars. SnO_(2-x) thin film was obtained by thermal oxidation of the deposited Sn thin film. Au was deposited on the SnO_(2-x) and was annealed on 350℃ hot plate for 15 hours in air. Au thin film was dispersed as islands in this process. The dispersed gold film on tin oxide enhanced gas sensitivity to CO, C_(4)H_(10). Especially the SnO_(2-x) thin film had excellent selectivity for CO at low operating temperature.
간호대학생의 에니어그램 성격유형에 따른스트레스 대처방식
김희주,박가영,박지영,송예빈,심지현,이수연,이지영,장주희,정영민 이화여자대학교 간호과학대학 2011 이화간호학회지 Vol.- No.45
The purpose of this study is to analyze the relationship between stress coping behaviors and Enneagram personality types. The subject of the study is 342 college students who are attending 4-year nursing colleges in Seoul, Korea, and 198 students among them are qualified for the study. Typified statistical tools SPSS, chi-square, and ANOVA are used as analyzing methods in the study. The research results are as follows: 1. In nursing students, freshman class is the highest population in the study with 63 students(31.82 %), and the highest percentage of population does not have a religion(89 students, 44.95 %). 120 students (60.61 %) answered that their interpersonal relationships are good, and 105 students(53.03 %) are satisfied with the nursing major. 2. In Enneagram personality type, 9 type is the highest(42.42 %). 3. Problem focused coping type is the highest in stress coping behaviors(28.12(±20.16) points). 4. Problem focused coping behavior and social support coping behavior show significance. 5. Social support coping behavior shows significance, and 3 type scored the highest(17.67(±2.66) points). Further studies are suggested based on above results: First, in order to achieve more accurate results, the research of Enneagram and stress coping behavior with representative for sample Korean nursing students is necessary. Second, Development and verification the effect of stress coping program based on Enneagram personality types among nursing students are necessary.
Shim, S.M.,Song, E.J.,Song, D.,Lee, T.Y.,Kim, D.J.,Nam, J.H.,Gwin Jeong, D.,Lee, C.K.,Kim, S.H.,Kim, J.K. Elsevier Ltd. 2017 Vaccine Vol.35 No.30
In this study, we developed a further-modified outer membrane vesicle (fmOMV) from the ΔmsbB/ΔpagP mutant of Escherichia coli transformed with the plasmid, pLpxF, in order to use it as an adjuvant for pandemic H1N1 (pH1N1) influenza vaccine. We evaluated the efficacy of the pH1N1 influenza vaccine containing the fmOMV in animal models as compared to the commercial adjuvants, alum or AddaVax<SUP>TM</SUP>. The fmOMV-adjuvanted pH1N1 influenza vaccine induced a significant increase in the humoral immunity; however, this effect was less than that of the AddaVax<SUP>TM</SUP>. The fmOMV-adjuvanted vaccine displayed pronounced an enhanced protective efficacy with increased T cell immune response and reduced the viral load in the lungs of the infected mice after challenging them with a lethal dose of the homologous virus. Moreover, it resulted in a significantly higher cross-protection against heterologous virus challenge than that of the pH1N1 vaccine with alum or with no adjuvants. In ferrets, the fmOMV-adjuvanted vaccine elicited a superior antibody response based on the HI titer and efficiently protected the animals from the lethal viral challenges. Taken together, the nontoxic fmOMV could be a promising adjuvant for inducing robust T cell priming into the pH1N1 vaccine and might be broadly applicable to the development of preventive measures against influenza virus infection.