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夏漢寧(Xia Han?Ning) 동아인문학회 2008 동아인문학 Vol.14 No.-
As an ode well-known throughout the history, ode to lotus is very familiar to everyone, old and young, man and woman. However, such issues as to what degree the people of each generation in the past and at present accepted it, what characterizes their acceptance of it, and whether Zhou Dunyi is the author, have been neglected. This thesis makes an attempt to have a brief exploration and sorting of these issues, which seem minimal and are therefore ignored, and it also has some textual criticism and analysis on it based on the related materials.
Geng Ning 청주대학교 국제협력연구원 2005 國際文化硏究 Vol.23 No.-
The Byronic hero is the product of Byron's conflicting thoughts and his complex personality. This paper discusses the dazzling features of the poly-phased types of the Byronic heroes and the affinity between these characters and their creator.
陳寧寧 건국대학교 1986 論文集 Vol.22 No.1
This paper aims to research in So Pyo written by Lee Kyu-bo about the Mongolian a99ression into Koryo. Through Soˇ Pyo, his best work, he showed his affection for the people, for the society, and for the nation. Although a lot of works were written by him, Soˇ Pyo was the best one in which his thought and his intention on the real society at that time leas described very well. I believe that he was bright on the history, so he showed a strong history consciousness in the relationship of literature and history through his senses of literature. The outline of this paper is as follows. 1. introduction 2. summary of Korean history and its geographical environment 3. research on the historical background at that time when he lived 4. research on the literary background at that time when he wrote literary works 5. showing real examples of his historical consciousness appeared in Soˇ Pyo, which was a book about the Mongolian invasion into Koryo, and which was written on the basis of strong historical consciousness 6. investigation of what the author's thought to write Soˇ Pyo was and what his historical intention to write it was 7. conclusion I maintain that Lee Kyu-bo was so patriotic to his country and so affectionate for the people that he deserve to be praised as one of the best historians and lest literary men in the Koryo dynasty. Especially he made a great effort to inspire the morale of the people depressed by the Mongolian raid.
Somatic mutation patterns and compound response in cancers
( Ning Ning He ),( Na Young Kim ),( Suk Joon Yoon ) 생화학분자생물학회(구 한국생화학분자생물학회) 2013 BMB Reports Vol.46 No.2
The use of various cancer cell lines can recapitulate known tumor-associated mutations and genetically define cancer subsets. This approach also enables comparative surveys of associations between cancer mutations and drug responses. Here, we analyzed the effects of ∼40,000 compounds on cancer cell lines that showed diverse mutation-dependent sensitivity profiles. Over 1,000 compounds exhibited unique sensitivity on cell lines with specific mutational genotypes, and these compounds were clustered into six different classes of mutation-oriented sensitivity. The present analysis provides new insights into the relationship between somatic mutations and selectivity response of chemicals, and these results should have applications related to predicting and optimizing therapeutic windows for anti-cancer agents. [BMB Reports 2013; 46(2): 97-102].
Two Androstane Derivatives from the Cultures of Fungus Marasmiellus ramealis (Bull.) Singer
Ning-Ning Yang,Qing-Yun Ma,Sheng-Zhuo Huang,Hao-Fu Dai,Zhi-Kai Guo,Zhi-Fang Yu,You-Xing Zhao 대한화학회 2014 Bulletin of the Korean Chemical Society Vol.35 No.11
A new androstane derivative, 4β-methyl-15-oxa-14β-androstane-7-ene-4α-carboxylic acid (1) and a known one 4β-methyl-15-oxa-14β-androstane-7-ene-4α-hydroxyl (2) were isolated from the EtOAc extract of the cultures of the fungus Marasmiellus ramealis (Bull.) Singer. Their structures were elucidated on the basis of 1D and 2D NMR as well as MS spectroscopic data analysis. The inhibitory activity of two isolates against acetylcholinesterase (AChE) revealed that compound 1 exhibited definitely inhibitory activity.
Highly AC Voltage Fluctuation-Resistant LED Driver with Sinusoid-Like Reference
Ning Ning,Zhenxiao Tong,Dejun Yu,Shuangyi Wu,Wenbin Chen,Chunyi Feng 전력전자학회 2014 JOURNAL OF POWER ELECTRONICS Vol.14 No.2
A novel converter-free AC LED driver that is highly resistant to the fluctuation of AC voltage is proposed in this study. By removing large passive components, such as the bulky capacitor and the large-value inductor, the integration of the driver circuit is enhanced while the driving current remains stable. The proposed circuit provides LED lamps with a driving current that can follow the sinusoid waveform to obtain a very high power factor (PF) and low total harmonic distortion (THD). The LED input current produced by this driving current is insensitive to fluctuations in the AC voltage. Users will thus not feel that LED lamps are flashing during the fluctuation. Experiment results indicate that the proposed system can obtain PF of 0.999 and THD as low as 3.3% for a five-string 6 W LED load under 220 V at 50 Hz.
Synthesis and Characterization of KTiNbO5 Nano-particles by Novel Polymerizable Complex Method
Ning-ning Wang,Yun-xiang Lan,Jie He,Rui Dong,Jin-song Hu 대한화학회 2013 Bulletin of the Korean Chemical Society Vol.34 No.9
The layered KTiNbO5 was successfully synthesized with titanium(IV) isopropoxide and niobium oxalate by a novel polymerized complex (PC) method. The morphology and structure of the as-prepared sample was characterized by means of High-Resolution Transmission Electron Microscope, powder X-ray diffraction, and Laser Raman Spectroscopy. The spectral response characteristic was recorded by using UV-vis Diffuse Reflectance Spectroscopy. Results show that KTiNbO5 as-prepared by PC method presents an uniform morphology of nano-particles, the mean particle sizes is ca. 28 nm corresponding to the (002), and the crystal structure can be well indexed to the orthorhombic phase. The sample as-prepared by PC method has higher band gap energy than that of the sample prepared by a solid-state reaction method due to the quantum size effect.
( Ning Ning Xiao ) 한국응용약물학회 2015 Biomolecules & Therapeutics(구 응용약물학회지) Vol.23 No.4
The purpose of the present study was to investigate the effects of resveratrol supplementation on oxidative damage and lipid peroxidation induced by strenuous exercise in rats. The rats were randomly divided into five groups: a sedentary control group, an exercise control group, and three treatment exercise groups administered increasing doses of resveratrol (25, 50, and 100 mg/kg body weight). Resveratrol was administered by oral gavage once daily for four weeks. At the end of the four-week period, the rats performed a strenuous exercise on the treadmill, and the levels of lactate dehydrogenase (LDH), creatine kinase (CK), malondialdehyde (MDA), 4-hydroxy-2-nonenal (4-HNE), and 8-hydroxy-2``-deoxyguanosine (8-OHdG) were measured. The results showed that resveratrol supplementation had protective effects against strenuous exercise-induced oxidative damage and lipid peroxidation by lowering the levels of LDH, CK, MDA, 4-HNE, and 8-OHdG in the serum or muscle of rats. These beneficial effects are probably owing to the inherent antioxidant activities of resveratrol.
Ning-Ning Song,Yan Zheng,Shi-Jin E,Duo-Chuan Li 한국미생물학회 2009 The journal of microbiology Vol.47 No.1
A superoxide dismutase (SOD) gene of Thermoascus aurantiacus var. levisporus, a thermophilic fungus, was cloned, sequenced, and expressed in Pichia pastoris and its gene product was characterized. The coding sequence predicted a 231 residues protein with a unique 35 amino acids extension at the N-terminus indicating a mitochondrial-targeting sequence. The content of Mn was 2.46 µg/mg of protein and Fe was not detected in the purified enzyme. The enzyme was found to be inhibited by NaN3, but not by KCN or H2O2. These results suggested that the SOD in Thermoascus aurantiacus var. levisporus was the manganese superoxide dismutase type. In comparison with other MnSODs, all manganese-binding sites were also conserved in the sequence (H88, H136, D222, H226). The molecular mass of a single band of the enzyme was estimated to be 21.7 kDa. The protein was expressed in tetramer form with molecular weight of 68.0 kDa. The activity of purified protein was 2,324 U/mg. The optimum temperature of the enzyme was 55°C and it exhibited maximal activity at pH 7.5. The enzyme was thermostable at 50 and 60°C and the half-life at 80°C was approximately 40 min.