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결핵환자에서 혈청 Angiotensin Converting Enzyme ( ACE ) 활성도와 Tuberculin 반응도의 관계에 대한 연구
조인호(I . H . Jo),도준영(J . Y . Do),김종호(J . H . Kim),이재익(J . Y . Lee),정재천(J . C . Jung),이현우(H . W . Lee),이영헌(Y . H . Lee) 대한내과학회 1989 대한내과학회지 Vol.37 No.5
N/A Angiotensin converting enzyme (ACE) is reported to be elevated in patients with sarcoidosis, Gaucher`s disease, leprosy, silicosis, asbestosis, and histiocytic medullary reticulosis. The serum ACE activity was measured in 45 patients with tuberculosis, 6 patients with cnacer, and 50 normal controls. To investigate the correlation between serum ACE activity and delayed hypersensitivity, tuberculin skin tests were performed and the results were compared with serum ACE levels in patients with pulmonary tuberculosis. The results were as follows: 1) The serum ACE level in tuberculosis patients was not higher than in the normal control group (p>0.1). 2) The serum ACE level in cancer patients tended to be lower than in the normal control group(p<0.1). 3) A correlation between serum ACE activity and the severity of pulmonary tuberculosis was not present. 4) There was a significant inverse correlation between the diameter of the cutaneous reaction to tuberculin and serum ACE is not a useful parameter to indicate severity and progress of pulmonary tuberculosis and that there is an inverse correlation between delayed hypersensitivity and serum ACE level. We suggest that this inverse relationship results from competition for the relevant signal molecules on the macrophage surface.
고분염 분석법 ( high - resolution banding ) 에 의한 한우 염색체의 표준 표지 설정
손시환,이재익 ( S . H . Sohn,J . I . Lee ) 한국축산학회 1998 한국축산학회지 Vol.40 No.5
Using the high-resolution banding technique, a karyotyping for Korean Cattle was performed. Blood samples were collected from 119 male cattle that had been stationed at the National Livestock Research Institute for progeny test and then were prepared to in vitro cultures followed by karyotyping; morphology and G-, Cbanding patterns of prophase, prometaphase and metaphase chromosomes were analyzed. All their 58 autosomes revealed almost a zero value of centromeric index, indicating that they are acrocentric; sex chromosomes X and Y were submetacentric and metacentric chromosome, respectively. Chromatin condensation, which increased with the progression from prophase to metaphase in all chromosomes, was greater in longer chromosomes than in shorter ones. Prophase and metaphase chromosomes exhibited 544 and 303 G-bands per haploid, respectively, with variable band intensity. This number of G-bands in prophase was much greater than G-band that can be obtained by a conventional method, implicating an improved karyotyping for Korean Cattle. Moreover, autosomes exhibited the C-bands at or near centromere, whereas sex chromosomes had variable numbers of them on variable locations. The proportion of constitutive heterochromatin, ranging 13∼27%, increased with decreasing chromosomal length and also with increasing chromatin condensation. We propose these results as new standard karyotyping for Korean Cattle
박진호,이재익,신익동,김민기,신재범,이현주,조화석 嶺南大學校 基礎科學硏究所 1998 基礎科學硏究 Vol.18 No.-
We have studied the nuclear quadrupole interaction of flurine(F) atom implanted in gallium nitride(GaN) cluster models and the defect formation energies in Gan cluster using Hartree-Fock(HF) theory. As results, the total energy values were -8020.3328Hartree at the intrabond site and -8020.3769Hartree at the antibonding site bonded to Ga respectively. These results show that F reside at the Ga antibonding site rather than at the intrabond site in GaN crystal.
이재익,최인경,송해범,공건오 大邱大學校 科學技術硏究所 2001 科學技術硏究 Vol.8 No.1
These studies were conducted to search the pure line of the Korean native goats. The examinations of morphological characteristics were 229 and 34 heads of female and male goat in Kyungbuk province and 85 and 21 heads of female and male goat in Yorkjy island. The examinations of body size were 192 and 10 heads of female and male goat in Kyungbuk province and 71 heads of female goat in Yorkjy island. The results of the examination were as follows 1. The blacks of coat color were 34.2% and 51.9% for goats in Kyungbuk province and Yorkjy island, respectively. 2. The wattles and polled were 15.2% and 1.5% for female goats in Kyungbuk province, respectively, but its were nothing in Yorkjy island and for male goats in both province. 3. The lengths of hair for female goats in Kyungbuk province were sinuly to those in Yorkjy island, but the lengths of hair for male goats in Yorkjy island were larger than those in lyungbuk province. 4. The lengths of horn for male and female goats in Kyungbuk province were larger than those in Yorkjy island. 5. The lengths of ear, tail and beard for male and female goats in Kyungbuk province were similar to those in Yorkjy island. 6. The supernumerary teats for female goats in Kyungbuk province were similar to those in Yorkjy island. 7. The body and wither heights of female goats were 54.1cm and 57.22cm in Kyungbuk province, and 47.17cm and 49.60cm in Yorkjy island, respectively. 8. The body lengths of female goats were 58.04cm and 57.18cm in Kyungbuk province and Yorkjy island, respectively. 9. The chest girths of female goats were 75.81cm and 70.71cm in Iyungbuk province and Yorkjy island, respectively, and the chest depths and widths of female goats were larger in Kyungbuk province than Yorkjy island. 10. The body weights of female goats were 32.06Kg and 25.53Kg in Kyungbuk province and Yorkjy island, respectively.