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Steroid compounds from the marine sponge Raspilia hirsute
노정래 한국자기공명학회 2006 Journal of the Korean Magnetic Resonance Society Vol.10 No.1
The methanolic extract of the marine sponge Raspilia hirsute collected from Keomun Island resulted in three types of sterols : a mixture of (24S)-Poriferasta-5, 25-diene-3, 24-diol and (24R)-Stigmasta-5, 25-diene-3, 24 -diol (1), 25,26,27-Trinorcholest-5-en-3,24-diol (2), and Pregn-5-en-20-on-3-ol (3). The isolation and structural determination of these sterols are reported here. Compound 1 showed moderate cytotoxicity against human Leukemia cell line K562 영어논문
노정래,류주현,Noh, Jung-Rae,Yoo, Ju-Hyun 한국전기전자재료학회 2011 전기전자재료학회논문지 Vol.24 No.8
[ $[Li_{0.04}(Na_{0.54}K_{0.46})_{0.96}](Nb_{1-0.04-X}TaxSb_{0.04})O_3$ ]lead-free piezoelectric ceramics have been prepared by normal sintering at $1,100^{\circ}C$ for 5 h. X-ray diffraction analysis indicated that specimens demonstrate orthorhombic symmetry when $Ta\leq5$ mol%. While transforming into tetragonal symmetry when $x\geq20$ mol%. These suggest that the orthorhombic and tetragonal phases co-exist in the ceramics with 5 mol% <Ta<20 mol% at room temperature. All samples have high density, ranging from 4.46 to 4.79 g/$cm^3$. As the result of SEM images, the grain growth was decreased with the increase of Ta substitution. The ceramics become 'softening', leading to improvements in $k_p$, $\varepsilon_r$ and $d_{33}$, but a decrease in $Q_m$. Excellent properties of $k_p$= 0.46, $d_{33}$= 293 pC/N, ${\varepsilon}_r$= 1,583 and Tc= $340^{\circ}C$ were obtained when Ta= 15 mol%.
Gender Differences in Maternal Intervention in Jeju Ponies (Equus caballus)
노정래,Robert B.,최재천 한국생태학회 2005 Journal of Ecology and Environment Vol.28 No.5
We investigated interventions by mother Jeju ponies on Jeju Island, Korea, to determine whethermothers assisted their offspring to attain higher status within the dominance hierarchy. Because dominance rank is important within each gender, we predicted that mothers would be more likely to intervene when their foals were play-fighting with foals of the same gender. A total of 173 play-fighting events were recorded from March to October 1998 and from April to October 1999. Of these, foals were more likely to play-fight with a foal of the same gender as with a foal of the opposite gender (120 versus 53 occurrences, respectively). A mother of one of the foals that were play-fighting intervened in 17 of these interactions. Contrary to the prediction, a mare was interactions between the opposite genders further, mothers were equally likely to intervene when a daughter was play-fighting with a male foal as when a son was play-fighting with a female foal. Hence, mothers were not more protective of daughters than sons. Mothers that were in the younger age class (2~11 years old) were as likely to intervene as those in the elder age class (17~25 years old). However, all foals that were harassed were offspring of mothers in the younger, more subordinate age class. Intervention directly maintains the dominance rank of the intervening mother, and may indirectly assist the intervening mothers foal to achieve a higher dominance rank. By discouraging their foals from play-fighting with the opposite genders, dominant mothers may rank.
NMR study on secondary metabolites isolated from an identified tunicate
노정래 한국자기공명학회 2004 Journal of the Korean Magnetic Resonance Society Vol.8 No.2
Four secondary metabolites from an unidentified tunicate were isolated by treatment with trichloroethyl chloroformate(TECF) or acetic anhydride in pyridine. Their structures were determined by an extensive NMR analysis and the configuration of diacetyl derivatives(3a, 4a) was assigned by comparing with NMR data of a similar compound. Three new naturally occurring compounds (1, 3, 4) showed potent brine shrimp lethality and antifungal effect against Candia albicans. 영어논문
Structure Elucidation for New Sestertepene Alkaloids from the Sponge Sacotragus sp.
노정래,신종현,이희승 한국자기공명학회 2003 Journal of the Korean Magnetic Resonance Society Vol.7 No.1
Sarcotragins C (1) and D (2), two novel compounds, have been isolated from the sponge Sarcotragus sp. collected from Jaeju Island, Korea. The structures of these compounds have been determined to be linear sesterterpene alkaloids on the basis of combined 1D and 2D NMR experiments. The stereochemistry involved was established by comparison of the NMR data with those reported for a similar compound. 영어논문
Complete assignments of 1H and 13C NMR spectra of Chivosazole F
노정래,신종현,김진철,안종웅 한국자기공명학회 2001 Journal of the Korean Magnetic Resonance Society Vol.5 No.2
The 1H and 13C NMR spectra of chivosazole F from Sorangium cellulosum were completely assigned by a combination of 1D and 2D NMR techniques. The configurations of double bonds were confirmed from the ROESY spectra. The stereochemistry at asymmetric carboncenters was partially assigned on the basis of the results of NOE analysis. 영어논문
Structure Determination of Suberitenone Bby Two-Dimensional NMR Techniques
노정래,서용완,조기웅,신종현 한국자기공명학회 1997 Journal of the Korean Magnetic Resonance Society Vol.1 No.1
영어논문 Suberitenone B, seterpenoids of an unprecedented skeletal class, has been isolated from the Antarctic sponge Suberites sp. Structure of this compound has been determined by combined spectral and chemical studies
「死首の咲顔」에서의 인간 유형과 갈등 - 『ますらを物語』의 右內와 「死首の咲顔」의 五藏와의 비교를 중심으로
노정래 단국대학교 일본연구소 2008 일본학연구 Vol.24 No.-
The value of filial piety brings about the tragedy of 「Gojo」's. Akinari wanted to tell us this in 「Sikubinoegao」. Filial piety is great moral. During the Edo era, people valued filial piety above everything. Akinari hoped to find the reason that a man who is dutiful to his parents is apt to be unhappy. Which is the best way to live when a man is in discord with human's morals and instinct? Should a man contain his feeling in order to fulfill human's morals? 「Gojo」gives us some questions about the filial piety for his parents and love for his sweetheart. We can not find this kind of conflicts in 『The story of Masurao』 However, Akinari tell us discord with human's morals and instinct with 「Gojo」 in 「Sikubinoegao」. Psychical expression of 「Gojo」 makes 「Sikubinoegao」 of great value.