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도인(桃仁)이 Endotoxin을 투여한 흰쥐의 혈액에 미치는 영향(影響)
이창근,소경순,정찬길,Lee, Chang-Keun,Soh, Kyeong-Sun,Jeong, Chan-Gil 대한약침학회 2005 Journal of pharmacopuncture Vol.8 No.2
This study was performed to investigate the effects of ${\ulcorner}Persicae\;Semen{\lrcorner}(PS)$ on the blood injected by Endotoxin in rats. The blood was induced by Endotoxin injection into the caudal vein of rats and PS group taken a measurement of RBC, Hb, Hct, Platelet, WBC, ESR, CRP. The results were obtained as follows: 1. RBC, Hb, Hct, Platelet, WBC were increased with statistical significance at PS group as compared with those of the control group. 2. ESR, CRP were decreased with statistical significance at PS group as compared with those of the control group. It is concluded that PS group has significant effects on the blood injected by Endotoxin in rats. Therefore, PS group seems to be applicable to the diseases related to Endotoxin in clinics.
실험적(實驗的) 당뇨병(糖尿病)에 대(對)한 옥천산(玉泉散) 및 파채자의 효과(效果)
이창근,Lee, Chang-Geun,Lee, Bong-Kyo 대한한방내과학회 1994 大韓韓方內科學會誌 Vol.15 No.2
In order to investigate the effects of Okchunsan (Sample A), Gamiokchunsan (Sample B) and Spinacia oleracea L. (semen: Sample C) on streptozotocin-induced diabetic rats, the experimal study was performed on the levels of glucose, insulin, total cholesterol, triglyceride, total protein, albumin, blood urea nitrogen (BUN), electrolytes $(Na^+,\;Ka^+,\;Cl^-)$, GOT and GPT in serum, hemoglobin, hematocrit, urine volume, glucose and protein in urine, body weight, liver and kidney weight. The results were obtained as follows: 1. Serum glucose levels were significantly decreased in Sample A. B and C group and serum insulin levels were increaseclin Sample A and B group. 2. Serum total cholesterol levels were recovered as the normal value in Sample A, B and C group and serum triglyceride levels were decreased in Sample A and C group. 3. Serum total protein levels were increased in Sample C group, BUN levels were decreased in Sample A and C group. 4. Serum $Na^+\;and\;Cl^-$ levels were increased, $K^+$ levels were decreased in Sample A, B and C group. 5. Serum GOT and GPT levels were remarkedly decreased in Sample A, B and C group. 6. Urine volume, urine glucose and protein levels were decreased in Sample A, B and C levles. 7. Body Weight showed a tendancy of increasing in Sample A, B and C group. 8. Levels of serum albumin, hemoglobin, nematocrit, liver and Kidney weight were not significantly changed. According to above results, Okchunsan, Gamiokchunsan and spinacia oleracea L. (Semen) were expected to be applied to the treatment of diabetes mellitus and its complications.
SARS-CoV-2 감염의 진단에 이용되는 검사실 테스트의 비교
이창근,Dongsup Lee 대한임상검사과학회 2022 대한임상검사과학회지(KJCLS) Vol.54 No.2
COVID-19로 인한 높은 전염성과 호흡기 질환의 심각성 때문에, 전염의 확산을 더 잘 모니터링하고 예방하기 위해 경제적이고 정확한 검사가 필요하다. COVID-19 대유행의 초기 단계에서 SARS-CoV-2의 구조적 및 분자적 특성이 밝혀짐에 따라, 많은 COVID-19 진단 키트 제조업체들은 진단 테스트의 설계, 개발, 검증 및 구현에 적극적으로 투자했다. 현재, SARS-CoV-2 에 대한 진단검사로써 신속한 항원, 특정 IgG 및 IgM 항체검사를 위한 면역 혈청학적 검사 그리고 분자 진단 검사가 가장 널리 사용되고 검증된 기술이다. 분자 진단 분석법은 SARS-CoV-2 에 감염된 것으로 의심되는 개인에서 바이러스 RNA를 직접 검출하기 위한 gold standard이다. 항체 기반 혈청 검사는 지역사회에서 COVID-19 유병률을 결정하고 면역력을 획득한 개인을 식별하는 데 사용되는 간접 검사이다. 본 논문에서는 시판되고 FDA가 승인한 분자 및 면역학적 진단 측정을 평가하여 성능 특성을 분석하였다.
이창근,강형태,고성희,Lee, Chang-Keun,Kang, Hyung-Tai,Goh, Sung-Hee 국립문화재연구소 1987 保存科學硏究 Vol.8 No.-
Fifty ancient Korean coins originated in Choson dynasty have been determined for 9 elements such as Sn, Fe, As, Ag, Co, Sb, Ir, Ru and Ni by instrumental neutron activation analysis and for 3 elements such as Cu, Pb, and Zn by atomicalsorption spectrometry. Bronze coins originated in early days of the dynasty contain as major constituents Cu, Pb and Sn approximately in the ratio 90 : 4 : 3, where as, those in latter days contain in the ratio 7 : 2 : 0. Brass coins which had begun in 17century contain as major constituents Cu, Zn and Pb approximately in the ratio 7 : 1: 1. The multivariate date have been analyzed for the relation among elemental contents through the variance-covariance matrix. The data have been fur theranalyzed by a principal component mapping method. As the results training set of 8class have been chosen, based on the spread of sample points in an eigenvector plotand archaeolgical data such as age and the office of minting.