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이상섭,유화승,조정효,손창규,이연월,조종관,Lee, Sang-Seob,Yoo, Hwa-Seung,Cho, Jung-Hyo,Son, Chang-Kyu,Lee, Yeon-Weol,Cho, Chong-Kwan 대한암한의학회 2003 大韓癌韓醫學會誌 Vol.9 No.1
Recently, the occurrence and death rates of cancer have increased rapidly. Metastasis and recurrence is the most important factor of death from cancer. So inhibition of recurrence and metastasis can increase the cure rate of cancer disease. At the basic chinese traditional medicine(TCM), there are a lot of theory related to neoplasm treatment. The metastasis and recurrence of neoplasm was the basis of yudu(餘毒) on remained neoplasm cell and stagnation of blood, thermotoxo, phlegm, asthenia of healthy enerngy and stagnation of vital energy. The principles therapy of neoplasm on metastasis and recurrence was based on knowledge of the method of support the healthy energy and strengthen the body resistance, promote blood circulation to remove blood stasis, clear away heat and toxic materials, dissipate phlegm and disperse the accumulation of evils. But the major clinical features of neoplasm was to be considered in developing a treatment plan include (1) distinguish between clinical and pathologic staging - acute and chronic, (2) classification of pathologic pattern, and (3) distingction of body situation : for examples asthenia - sthenia etc. It was most important to distinguish between supporting the healthy and eliminating the evil factors and to treat differently at the root and the branch cause of a neoplasm. This paper's results indicate that identification and effective use of THM can inhibite netastasis and recurrence and then it will help increasing survival rate. Also as BioTechnology(BT) has developed rapidly nowadays, as genes related to cancer have revealed. So it will give rise to the development of searching the mechanism of herb medicines which have inhibition effects of metastasis and recurrence.
Molecular Level Relationships of Purple Nonsulfur Bacteria and their Relatives
이상섭,윤병수,김재수,이현순,Lee, Sang-Seob,Yoon, Byoung-Su,Kim, Jae-Soo,Lee, Hyun-Soon The Microbiological Society of Korea 1994 미생물학회지 Vol.32 No.1
광합성 세균과 비광합성 세균에 속하는 종들 사이의 유연관계를 파악하기 위해 DNA 혼성화 방법을 실시하였다. 혼성화도는 종내 균주들 사이와 Rhodobacter capsulatus와 Rhodopseudomonas blastica 사이를(72-88%) 제외하고는 전체적으로 낮게 나타났다(2-35%). 광합성 세균 Rhodopseudommonas Palustris와 비광합성 세균 Pseudomonas aeruginosa ATCC 27853, Bradyrhizobium japonicu, 사이의 D%는 광합성 세균 사이의 D%보다 약간 높게 나타났다(26-33%). Rhodopseudomonas blastica와 Rhodobacter capsulatus 사이의 D%는 72%로 유전적 유연관계가 매우 높은 것으로 나타났다. DNA-DNA hybridization by kinetic method was carried out between species of purple nonsulfur photosynthetic bacteria and nonphotosynthetic bacteria. The degrees of homology percent were shown to be low (2-35 D%) with the exception of high homology % (72-88 D%) for strains within a species and between Rhodobacter capsulatus and Rhodopseudomonas blastica. The D% between the purple nonsulfur photosynthetic bacteria, Rhodopseudomonas palustris, and nonphotosynthetic bacteria, Pseudomonas aeruginosa ATCC 27853 or Bradyrhizobium japonicum were a little higher (26-33 D%) than the D% between any other photosynthetic bacteria. The homology % between Rhodopseudomonas blastica and Rhodobacter capsulatus was 72 D%, which showed genetic relationship.
이상섭(Sang Seob Lee),남현석(Hyun Suk Nam),김태순(Tae Soon Kim) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.4
원전은 환경영향 등을 포함한 다양한 조건을 고려하여 안전성이 평가되어야 하며, 이를 확인하기 위해 규제기관은 세부적인 요건을 제시하고 있다. 미국 규제기관은 10CFR50 Appendix A, 10CFR50 Appendix S, NUREG-0800 등을 통해 지진 등과 같은 자연재해에 대한 원전 안전성을 요구한다. 국내 규제기관에서도 원자로시설 등의 기술기준에 관한 규칙, 경수로형 원전 규제기준 등을 통해 지진, 냉각재상실사고 등의 가상사고시 원전 안전성을 심사한다. 제어봉은 원자로 출력을 제어하고 비상시 노심으로 신속한 삽입을 통해 안전기능을 수행하여 원전 안전성을 확보한다. 국내외에서 제어봉 삽입성 평가를 위해 다양한 시험이 진행되었다. 프랑스 AREVA는 KOPRA 시설에서 시험을 진행하였으며, 일본 JNES는 가압경수로형 원전을 대상으로, HITACHI 에서는 비등경수로형 원전을 대상으로 시험을 수행하였다. 국내에서는 APR+ 기술개발 및 대형원전 제어봉 구동장치개발에서 제어봉 삽입성 평가로 안전성을 검증하였으며, 추가로 TOFAS-W 시설에서도 평가를 수행할 계획이다. The safety of nuclear power plants should be evaluated in consideration of various conditions including environmental impacts and regulatory bodies present detailed requirements to confirm it. The U.S. regulatory body requires the safety of nuclear power plants against natural disasters such as earthquakes through 10 CFR 50 Appendix A, 10 CFR 50 Appendix S, NUREG-0800, etc. Domestic regulatory body also reviews the safety of nuclear power plants in case of postulated accidents such as earthquake and loss of coolant accidents through Rules on Technical Standards for Nuclear Reactor Facilities, etc., Regulatory Standards for Light Water Reactors, etc. The control rods control the reactor power and secure the safety of nuclear power plants by performing safety functions through rapid insertion into the core in case of an emergency. Various tests were conducted at home and abroad to evaluate the control rod insertability. AREVA conducted a test at KOPRA facilities in France and JNES conducted a test using the pressurized light water reactor type and HITCHI conducted a test of the boiling light water reactor type in Japan. In Korea, the safety was verified by testing control rod insertability in the development of control element drive mechanism for APR+ Technology Development and Large Nuclear Power Plants, and an additional test will also be conducted at TOFAS-W facility.
Validation of the Demirjian’s Method for Dental Age Estimation in Korean Population
Sang-Seob Lee(이상섭),U-Young Lee(이우영),Seung-Ho Han(한승호) 대한체질인류학회 2009 해부·생물인류학 (Anat Biol Anthropol) Vol.22 No.1
치아의 발달 정도는 개체사이 변이가 작고 영양이나 내분비적 상태에 따른 영향이 적어 나이추정에 많이 이용된다. Demirjian은 1973년에 치아를 이용한 나이추정 방법을 발표하였으며 현재 많은 국가에서 널리 사용되고 있다. 여러 연구들에서 인구집단의 차이에 따른 Demrjian 방법 정확도의 상이함이 보고되었으나 한국인집단을 대상으로 한 연구는 아직 시행된 바 없다. 이에 Demirjian 방법의 한국인집단 적용에 대한 타당성을 조사하기 위해 본 연구를 시행하였다. 5~16세 아이의 파노라마 방사선사진 155장(남자 87장, 여자 68장)에 나타난 아래턱 왼쪽 간니를 Demirjian이 제시한 방법에 따라 분석하여 나이를 추정하였으며 실제나이와 추정나이 간의 차이를 대상으로 통계적 분석을 수행하였다. 실제나이와 추정나이 간의 차이는 95% 신뢰구간에서 남자는 유의할 만한 차이가 관찰되지 않았으나( p=0.171) 여자는 유의할 만한 차이가 관찰되었다( p=0.022). 남, 여 모두 8세 이하에서는 명백한 과추정이 관찰되었으나 그 이상에서는 비정형적이었다. 피어슨 상관계수는 남자에서는 0.970, 여자에서는 0.964로 계산되어 높은 상관관계를 보였다. 위의 결과들로 미루어 보아 Demirjian이 발표한 나이추정 기준을 적용하기 위해서는 보다 많은 연구대상을 통해 한국인에 맞는 성장점수 혹은 백분위곡선을 정립하여야 할 것으로 사료된다. Dental development is valuable for age estimation of children because of its low variability and less affection by endocrine and nutritional status. Demirjian reported a new system of dental age assessment in 1973 and this method has been used in many countries. The accuracy of Demirjian’s method in dental age estimation may be affected by ethnic difference. For Korean population, the population study of Demirjian technique has not accomplished yet, therefore, we investigate and analyze the validity of Demirjian’s method in Korean population. The 155 orthopantomographys which consisted of 87 boys and 68 girls were randomly selected and the age range was 5 to 16 years. The age of radiography was estimated according to criteria presented by Demirjian. Statistical analysis was preformed between real age and estimated age. In boys, there was no significant difference observed (p=0.171) between the real age and estimated age, however in girls, significant difference was shown (p=0.022) in 95% confidence interval. In both groups, there was clear overestimation tendency below 8.0 year, but over 8.0 year the difference pattern is atypical. The Pearson correlation coefficients between real age and estimated age were 0.970, 0.964 in boys, girls, respectively and showed positive relationship. The standards of dental maturation reported by Demirjian may not be applicable in Korean children especially in girls. Establishment of new maturation scores and percentiles curves for Korean population with many samples is required for more accurate age estimation.