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Recombinant Human Epidermal Growth Factor (DWP401) 의 마우스를 이용한 피하투여 아급성독성시험
한상섭(Sang Seop Han),강진석(Jin Seok Kang),송시환(Si Whan Song),강부현(Boo Hyon Kang),신천철(Chun Chul Shin),김희연(Hee Yeun Kim),노정구(Jeong Koo Rho) 한국응용약물학회 1996 Biomolecules & Therapeutics(구 응용약물학회지) Vol.4 No.2
DWP401, a recombinant human epidermal growth factor, was subcutaneously administered to ICR mice at the dose levels of 0, 0.04, 0.2 and 1.0 ㎎/㎏/day (15rats/sex/group) in order to evaluate the subchronic toxicity. General observations, examinations for food and water consumption, ophthalmoscopy and urinalysis were carried out during the study. For the complete gross and microscopic examinations, 10 mice/ sex/group were sacrificed at the ends of the dosing period, and the remaining animals were sacrificed with a 5 week recovery period. Examinations for hematology and blood biochemistry were also carried out at the time of recovery period. Based on the results, it was thought that the target tissue or organs were mesothelial cell, injection site, spleen, adrenal gland, ovary and transitional epithelial cell of urinary tract, and no observed toxic level of DWP401 was 0.04 ㎎/㎏ while definite toxic dose level might be 0.2 ㎎/㎏.
비-동질 안정 프로세스 기반 임베디드 시스템 소프트웨어의 신뢰성 특성에 관한 연구
한상섭(Han Sang-Seop),백영구(Baek Young-Gu),이근석(Lee Keun-Seog),전현덕(Jeon Hyun-Duck),류호중(Ryu Ho-Jung),이기서(Lee Key-Seo) 한국철도학회 2001 한국철도학회 학술발표대회논문집 Vol.- No.-
In this paper, we apply NHPP model example to s/w process in order to get to know s/w reliability, The test is constructed by a test zig of commercial product loaded real embedded sytstem s/w. It is established to s/w reliability prediction and estimation of real-time embedded system s/w. It is computed the prediction value of cumulative failures, the failure intensity, the reliability and the estimation value of MTTF, Failure Rate. To the more realization of high reliability in the real-time embedded system s/w, if the embedded system s/w is ensured to the test coverage and constructed to stable s/w process & operating system, we can improve the performance and the reliability characteristic of the real-time embedded system s/w.
실-시간 시스템의 결함 허용 태스크 스케줄링 전략에 관한 연구
한상섭(Han Sang-Seop),이정석(Lee Jung-Suk),박영수(Park Young-Soo),이재훈(Lee Jae-Hoon),이기서(Lee Kee-Seo) 한국철도학회 2000 한국철도학회 학술발표대회논문집 Vol.- No.-
Object of a real-time system, that performs exact information based on the real-time constraint. is required for an improvement of high reliability. The fault-tolerant task scheduling strategy of multiprocessor as using a distributed memory based on a hardware redundancy can be improved into a high reliability of the real-time system. Therefore, this paper is shown to analyze the reliability of the system by using the transfer parameter and make the modeling in reference to a minimization of the fault-tolerant task scheduling strategy which uses a percentage of task missing and deadline parameter based on optimization task size.
생화학적 마커와 Microsatellite 마커를 이용한 KCR 랫드의 유전모니터링
박한진(Han-Jin Park),이철호(Chul-Ho Lee),차달선(Dal-Seon Cha),조재우(Jae-Woo Cho),조규혁(Kyu-Hyuk Cho),최양규(Yang-Kyu Choi),현병화(Byung-Hwa Hyun),조진원(Jin-Won Cho),한상섭(Sang-Seop Han),송창우(Chang-Woo Song) 한국실험동물학회 2004 Laboratory Animal Research Vol.20 No.2
The cataract mutant rat which showed lens opacity was found in the colony of Sprague-Dawley rat at Korea Research Institute of Chemical Technology (KRICT) in 1996. The mode of inheritance of affected rats was autosomal recessive. These cataractous rats were mated by sister and brother to 27th (F₂₇) generation and named as Korea Cataract Rat (KCR). We performed genetic monitoring of KCR rat using biochemical and microsatellite markers to determine their genetic identified homozygous and distinctive genetic profile. In biochemical monitoring, six rats from each of the F₁₈/F₁₉F₂₀ were tested using 13 biochemical markers. In molecular genetic monitoring, nine rats from the F₂₅ and F₂₆ were tested using 13 microsatellite markers. No differences were found among the genetic profiles of the F₁₈/F₁₉F₂₀ in biochemical monitoring. Also, in the molecular genetic monitoring, we identified that both genetic profiles of F₂₅ and F₂₆ were the same. The genetic profile of KCR rats was unique against the other major rat strains. In addition, the polymorphysm of KCR rat for microsatellite markers was different from the other strains. These results suggest that KCR rat is genetically well qualified as far as in this test and it has been well established as a new inbred strain which has a novel genetic profile and cataract trait.