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토끼 간조직의 Stimulatory Guanine Nucleotide 결합 단백의 αsubunit 에 대한 cDNA 염기서열에 관한 연구
이상훈,노연희,한중수,고재경 한양대학교 의과대학 1993 한양의대 학술지 Vol.13 No.1
G proteins, a family of guanine nucleotide-binding protein superfamily, are involved in transmembrane signaling systems as transducers. In this study cDNAs encoding αsubunit of the stimulatory G protein (G α ) from rabbit liver were cloned and their nucleotide sequences were determined : a λgt 11 cDNA library from total cellular poly (A)' mRNA in rabbit liber was screened for recombinant λDNA that codes for G α with labeled probe. The probe used was an EcoRI digested 3' end fragment of cDNA for G α from olfactory neuroepithelium of rat. Six of the approximately recombinant clones were screened by in situ hybridization and by autoradiography, detecting sixteen positive clones. These clones were tested using polymerase chain reaction (PCR) technique and thirteen of them were turned out to have two sets of conserved sequence in αcDNA. Four clonse among them were selected form analysis of their cDNA sequences, showing the presence of two types of cDNA, namely and with the total length of nucleotide sequence of1.392bp and 1.613bp, respectively . From nucleotide sequence analysis the amino acid residues of -1 and α-2 were deduced : they contain 335 and 386 amino acid residues (including the initiator methionine), respectively. The calculated molecular weights for and were 38.9kd and 44.6kd, respectively. The significant difference in size between two cDNAs for G αseemed to be due to the assumption that alternative promoter and leading exon might be involved in transcribing the mRNA for . Two types of cDNA from rabbit liver shared over 95% of amino acid homology with that from rat olfactory neuroepichelium if deleted portions are not counted. More information on the cDNAs could be obtained through further studies such as Sl nuclease protection experiment, expression and mutation study.
Study on CaO-SiO₂-Gypsum/Slag계의 관한 연구
이희수,박정현,정윤중 연세대학교 산업기술연구소 1979 논문집 Vol.11 No.1
At the CaO-SiO₂basic system, The slags that outputed from steel industry and phosphate by-products gypsum that produced from fertilizer industry were added with schematically according to the changes of gypsum/slag content ratio. With the fixed condition of hydration 180℃, 6h₁s., The physical properties, the composition system, the mineralogical compositions were compared and detected. In this research, the experimental results were as follows. The added slag was well hydrated and compressive strength was 21 ×10³psi when the slag was added 10%. The hydrogarnet and gehlenite, when the the slag was added, the hydroxyl ellestadite and anhydrite, when the gypsum was added, were the influence factor for the hydration.
선택적 신동맥 색전술을 이용한 신절석술 후의 신출혈 치료 1례
이중화,이보배,윤능수,임승수,박청희 충남대학교 의과대학 지역사회의학연구소 1985 충남의대잡지 Vol.12 No.2
A patient with uncontrollable postoperative renal hemorrhage was successfully treated by selective injection of gelfoam into the anterior inferior segmental branch of right renal artery. Follow up arteriography was done 16 days later. It revealed persistent occlusion of the bleeding vessels. This method is a simple effective procedure in cases of renal hemorrhage to diverse etiology without responsive management.
이중희 啓明大學校 産業經營硏究所 2003 經營經濟 Vol.36 No.1
This paper investigates whether regulatory institutions facilitated companies' embellished reporting in Korea. In this investigation we can note the following facts. Regulatory institutions arbitrarily revised the regulations on the evaluation of marketable securities, on the appropriation of the allowance for employees' severance benefits, on the deferral of gain(loss) on foreign currency translation, and on classification of leases which helped justify companies embellished reporting. In addition, there was quite a long period when official documents of Ministry of Finance took precedence over the rational application of accounting standards in regulating corporate accounting practices. This situation caused accounting standards to lose their credibility and lowered the transparency of business management since the revision of accounting standards was based on the political or policy considerations of the time rather than the developed accounting thoughts or theories. In order to solve the above problems officials in regulatory institutions have to recognize and keep in their minds the thesis that the neutrality and credibility of accounting standards should take precedence over government policy objectives for the long-run wellbeing of our market-based economy.
이희수,정윤중,신규연 연세대학교 산업기술연구소 1980 논문집 Vol.12 No.1
Mixed layer clay mineral among Chongsong pettery stones, which is important as raw material in ceramic manufactures, was investigated and then Al-chlorite(Sudoite)-Montmorillonite 1:1 regular interstratified clay mineral(Tosudite) was found to exist. X-ray diffraction, differential thermal analysis and infra-red absorption spectra were examined. The following results showed that the chief clay mineral of Chongsong pottery stone resembled to Al-chlorite(Sudoite)-Montmorillonite regular mixed layer. 1. Lattice spacing d(001) and d(002) after treatments showed as follows: d(001) d(002) untreated 29.4 17.7 ethylene glycol treatment 32.7 15.5 heat treatment - 14.2 2. DTA showed exothermal at 980 ℃ and endothermal at 70℃, 170℃, 550 ℃ and 570℃. 3. Infra-red absorption spectra showed OH absorption at wave number 3630cm??, 3650cm?? and 3530cm??.
이기동,권승혁,이명희,김숙경,주길재,권중호 한국식품저장유통학회 ( 구 한국농산물저장유통학회 ) 2004 한국식품저장유통학회지 Vol.11 No.1
고품질 참외 농축액을 제조하기 위해 농축공정에서 중요한 변수로 작용하는 가열시간을 달리하면서 제조한 농축물에 대한 관능적 평가를 실시한 결과, 가열 후 맛이 최대평점을 나타낸 조건은 가열온도가 96.63 ℃ 및 가열시간이 14.31 min일 때 였으며, 전반적인 기호도가 가장 높은 조건은 가열온도가 97.18℃ 및 가열시간이 14.55 min 일 때 였다. 가열온도 및 가열시간을 달리하면서 실험한 결과 참외 농축액 제조를 위해서는 가열온도 98℃로, 가열시간 13 min으로 처리하는 것이 적당하였다. This study was carried out to observe the change of organoleptic properties of the juice prepared with various heating temperature and heating time. Organoleptic color showed maximum value at 94.95℃ and 21.63 min and organoleptic aroma showed maximum value at 63.14℃ and 20.38 min. Organoleptic taste showed maximum value at 96.63℃ and 14.31 min and overall palatability showed maximum value at 97.18℃ and 14.55 min The best condition was 98℃(heating temperature) and 13 min(heating time) at oragnoleptic evaluation of oriental melon juice.