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김규철 서원대학교 미래창조연구소 2004 과학과 문화 Vol.1 No.1
Aura which is originally come from religion is now in crisis of disappearing throughout duplicating era. As Walter Benjamin saw that aura would exist eternally because human replaced of the God. Aura is able to exist in the arts of our times when new arts has emerged by duplication. Because painting, photography and design produce their own aura in the era of duplication, aura will not disappear with ease. On the contrary, aura has the possibility of enlargement toward many other fields especially including advertisement. Advertising design produce the aura of the brand. The aura in advertising design is made by the discovery of desire toward aura from our heart.
액상정액을 이용한 인공수정시 품종, 계절, 인공수정 횟수 및 정자농도가 번식성적에 미치는 영향
김인철,박창식,이규승,서길웅,한성욱 충남대학교 농업과학연구소 2001 농업과학연구 Vol.28 No.2
돼지에서 액상정액을 이용한 인공수정이 번식성적에 미치는 영향을 구명하기 위하여 축산기술연구소 종축개량부 (충남, 성환) 돼지 인공수정센터에서 사육중인 인공수정용 종모돈을 이용하여 1995년부터 2000년까지 액상정액을 이용한 인공수정시 종모돈의 품종, 인공수정횟수, 계절 및 정자농도가 번식성적에 미치는 영향을 조사하여 돼지 인공수정시 번식성적 향상과 실용화에 기여하고자 본 연구를 실시하였다. 액상정액 인공수정시 정액을 생산한 종모돈의 품종 (Landrace, Yorkshire, Duroc)간 번식성적은 유의차가 인정되지 않았다. 발정당 2회 또는 3회 인공수정 시에도 번식성적에 차이가 없었다. 인공수정을 실시한 계절별로 번식성적을 조사하였으나 계절간 차이점은 발견할 수 없었다. 액상정액 인공수정시 1회 주입정자의 최저농도를 구명코자 활력 70% 이상인 정자수를 기준으로 80 ml 병당 정자농도를 3.0, 2.5, 2.0 및 1.5×10^(9)로 조절하여 인공수정한 결과 수태율, 분만율, 총산자수 및 생존산자수에서 통계적인 유의차가 인정되지 않아 1회 주입정자농도는 운동성 정자 기준으로 1.5×10^(9)/80 ml 이상으로 조절하면 인공수정에 실용적으로 사용 할 수 있음을 보였다. This study was carried out to investigate the effects of liquid boar semen on reproductive performance in swine artificial insemination Many factors, which were breeds, time of insemination, breeding season, sperm per dose etc. have been tried to improve reproductive efficiency. Boars were raised at Swine Artificial Insemination Center in National Livestock Research Institute. Sunghwan, Chungnam, Korea. This experiment was carried out from 1995 to 2000. There were no differences in the fertility results compared with 3 breeds (Landrace, Yorkshire and Duroc), frequencies of artificial insemination (double and triple) per estrus cycle and different seasons by using liquid boar semen. There were no significant differences in conception rate, farrowing rate and litter size using 4 trials of 3.0, 2.5, 20 and 1.5×10^(9)/80㎖ in liquid boar semen with 70% of motile sperm cells. We confirmed that the sperm number per dose of 1.5×10^(9)/80㎖ could be used for commercial artificial insemination.
최성혁,문준동,김수진,문철규,이성우,홍윤식 대한응급의학회 2001 대한응급의학회지 Vol.12 No.2
Background: Predicting outcome after head trauma is of great interest for clinicians, especially in the early stage. It may provide a basis for therapeutic strategies and may be helpful to select different approaches. But, reliable outcome prediction from head trauma is still unresolved. The purpose of this study is to determine which clinical parameters can be used effectively after an event of head trauma. Methods: In our study we studied head trauma patients who came to the Emergency department of Korea University Medical School Anam Hospital from the 1st of June 1998 to 31th of January 2000, looked into medical records, and studied the records in a retrospective manner. The head trauma patients were divied into two group, a) favourable outcome-related and b) unfavourable outcome-related. The two groups were then subdivided according to their sex, age, the mechanism of their injury, the time they came in, alcohol drinking, loss of consciousness, vomiting, pupil change, previous medical illness, associated injuries and were seperately compared and analyzed. And the factors affecting Glasgow Outcome Scale(GOS) were analyzed in the parameters of Injury Severity Score(ISS), Revised Trauma Score(RTS), Glasgow Coma Scale(GCS), motor score of GCS(mGCS), Marshall Computed Tomographic Classification(MCTC). Statistically, t-test and Mann-Whistney rank sum test using Jandel-sigma were used in the study and then were assessed in Chi-square analysis methods. The statistical significance was determined at a level of p less than 0.05. Results: The total of the head trauma patients, added up to 129 people, 99:males and 30:females. Among this sum, 99 patients showed a favourable outcome and 30 patients showed an unfavourable outcome at discharge. The causes of injury included: automobile accident in 42 cases; fallss in 26; assaults in 6; and accidental-slipping injury etc in 55 cases. 12 patients had bilateral unreactive pupils on admission, 2 had unilateral reactive pupils, and 113 had bilateral reactive pupils. Compared to the favourable outcome-related head trauma group, the unfavourable outcome-relared head trauma group had more history of loss of consciousness, unreactive pupils and tended to have previous medical illness. There were no difference in alcohol related, vomiting and associated injuries between two groups(favourable outcome-related head trauma group: unfavourable outcome-related head trauma group). Substantial difference were observed in GCS, mGCS, ISS, RTS, MCTC between two groups. Patients with unfavourable outcome had a significantly higher ISS, lower RTS, lower mGCS. After MCTC, patients with mass lesion had unfavourable outcome than patients with diffuse injury. Conclusion: Age, history of loss of consciousness, previous medical illness and unreactive pupil change are predictives of outcomes of head trauma patients with respect to Glasgow outcome scale. The lower GCS, lower RTS, lower mGCS, higher ISS, mass lesion based on CT scan provide poorer prognostic outcome in patients with head trauma. Use of prognostic factors thorough complete history taking and physical examination would provide useful prognostic information and facilitate improved therapeutic decision-malting in head-injuried patients.
Phytochemical Constituents of Carpesium macrocephalum $F_R$. et $S_{AV}$.
Kim, Mi-Ran,Lee, Seung-Kyu,Kim, Chang-Soo,Kim, Kyung-Soon,Moon , Dong-Cheul The Pharmaceutical Society of Korea 2004 Archives of Pharmacal Research Vol.27 No.10
From the methanol extract of the whole plants of Carpesium macrocephalum $F_R$. et $S_{AV}$., five sesquiterpene lactones (1: carabron, 2: tomentosin, 3: ivalin, 4: 4H-tomentosin, 5: carabrol) and three terpenoids (6: loliolide, 7: vomifoliol, 8: citrusin C) were isolated. The structures and stereochemistry of compounds 1-8 were established on the basis of chemical analysis as well as 1D- and 2D-NMR spectroscopy. Among them, compounds 2, 4, and 6-8 were isolated for the first time from Carpesium species.