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윤규석,정화순,최태열,김신규,김춘원,김기홍 한양대학교 의과대학 1985 한양의대 학술지 Vol.5 No.2
Authors have compaired te results of HBsAg, Anti-HBsAb that were examined by RIA (radioimmunoassay), EIA (enzyme immunoassay) and RPHA (reverse passive hamagglutimation) methods. The results are summarized as follows. 1) In HBsAg test, RPHA method disclosed 95.3% sensitivity and 100% specificity. 2) In HBsAg tests, EIA method disclosed 94.7% sensitivity and 100% specificity. 3) In Anti-HBsAb tests, PHA method disclosed 57.3% sensitivity and 96.7% specificity. 4) In AntiHBsAb tests, EIA method disclosed 90.7% sensitivity and 100% specificity.
단세포군 항체를 이용한 Chlamydia trachomatis의 면역형 결정
윤규석,김덕언,최태열 대한감염학회 1993 감염 Vol.25 No.1
An immunotyping of 27 strains of Chlamydia trachomatis isolated from patients with non-gonococcal urethritis or pelvic inflammatory diseases in Korea was achieved in dot-enzyme linked immunosorbent assay (dot-ELISA) with monoclonal antibodies. Monoclonal antibodies were produced with standard techniques by immunization of Balb/c mice and fusion with SP 2/0 myeloma cell. Seven type-specific (D,E,F,H,I,J,L₂), 2 subspecies-specific (B-complex, C-complex) and species-specific (HMC 1-1) monoclonal antibodies were used for immunotyping. Immunotyping of 12 control strains and 27 clinical strains isolated in Korea was studied by using dot-ELISA. Species-specific (HMC 1-1) monoclonal antibody reacted with all control strains and 27 isolated. Subspecies-specific (B-complex) monoclonal antibody reacted with B/HAR-36, Ba/Aphach-2, D/UW-3Cx, E/Bour, LGV type Ⅰ/440, LGV type Ⅱ/CDC control strains and 19 isolates. Type-specific monoclonal antibody of D was reacted with D/UW-3/Cx control strain and 10 isolates. E type-specific monoclonal antibody racted with E/Bour control strain and 6 isolates. F type-specific monoclonal antibody reacted with 5 isolates. Three isolates which racted with subspecies-specific monoclonal antibody didn't react with any type-specific monoclonal antibodies. Subspecies-specific (C-complex) monoclonal antibody reated with A/HAR-13, C/CDC, H/UW-43/Cx, J/UW-36/Cx control strains and 2 clinical isolates, but the isolates did not react with any type-specific monoclonal antibodies. One of 27 clinical isolates reacted with any type-specific monoclonal antibodies. One of 27 isolates reacted with species-specific (HMC 1-1) monoclonal antibody didn't react with any other subspecies-and type-specific monoclonal antibodies. In conclusion, the major immunotypes of C.trachomatis from urogenital system in Korea were D, E and F, and dot-ELISA with monoclonal antibody may contribute for immunotyping as a simple and specific technique.
정화순,최태열,윤규석 한양대학교 의과대학 1985 한양의대 학술지 Vol.5 No.2
Measurement of urinary total LDH activity and its isoenzyme fractionation has been suggested to be a useful means of diagnosis and follow-up the course of urinary tract diseases. The normal value of Korean healthy adults has not been established, so authors have studied the normal range of urinary total LDH activity and its isoenzymes in Korean healthy adults. The results are as follows. 1) The total urinary LDH activity in 114 cases is 21.4+2.8 (S.E.) U/L. 2) In 114 cases, only 38 cases (30%) could be fractionated. The average percentage of each LDH isoenzymes are that LDH-1; 33.2+6.7%, LDH-2; 27.4+5.6%, LDH-3; 17.3+3.0%, LDH-4; 11.0+4.3%, LDH-5; 11.1+9.0%, respectively. There is no differences between male and female about each fraction. (p>0.05) 3) Storage of the samples, the results decrease as time passes and show significant differences at room temprature. (p<0.05) The result within 24 hrs is 24.7+16.3 U/L, that after 24 hrs is 16.3+9.2 U/L, that after 48 hrs is 15.6+7.6 U/L. 4) The results make no differences though the concentration procedure applied. (p>0.05)
Alkyl Polyglucoside 계면활성제의 물리적 거동에 관한 연구 (Ⅰ) - 계면활성과 세정력에 관하여 -
윤여경,최규석 ( Yeo Kyung Yoon,Kyu Suk Choi ) 한국공업화학회 1994 공업화학 Vol.5 No.3
천연계 비이온 계면활성제 APG(Alkyl Polyglucoside)는 옥수수 성분의 글루코스와 팜, 야자유에서 얻어지는 지방 알코올을 이용하여 합성된다. 친수성인 글루코스의 중합도(D.P.=1.2∼1.8)와 소수성인 alkyl chain 길이 (C8-C14)에 따른 계면특성(표면·계면장력, cmc, 기포력, effectiveness 등)을 조사한 바 중합도에는 영향이 적으나, alkyl chain 길이에는 큰 영향을 받았다. 지방산 오염에 대한 APG alkyl chain 길이별 세정력 평가를 한 결과 계면 장력이 낮을수록, 단위 면적당 흡착량이 많을수록 우수한 세정력을 나타내었으며, 그 순서는 APG 0814> APG 1214> APG 10> APG 0810> APG 08과 같다. Alkyl polyglucosides (APG), so called natural nonionic surfactants, are prepared with glucose from corn starch and fatty alcohol from palm and/or coconut oil. When we studied on interfacial properties of APG, surface and interfacial tension, cmc, foaming and effectiveness, according to degree of polymerization of glucose unit (D.P.=1.2∼1.8) and alkyl chain length, the former hardly affects but the latter greatly affects on them. The order of detergency for fatty acid soils decreased as followings ; APG 0814 > APG 1214 > APG 10 > APG 0810 > APG 08, and the samples with lowest interfacial tension and maximum adsorption had a better detergency.