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권순경,박영남,박해선 德成女子大學校 藥學硏究所 2004 藥學論文誌 Vol.15 No.1
Compounds with an oxygen-oxygen single bond, are called peroxides, which undergo homolysis readily by heating or irradiation with light, because the oxygen-oxygen bond is weak. The formed products are radicals, which are short-lived and highly reactive. This property is used as initiator in radical chain reaction such as halogenation and many kinds of polymerization. Peroxides are one of the important oxidants and initiators. In this paper synthetic methods of peroxides and mechanisms are reviewed.
5-Phenyl-4,5-dihydro-1H-benzazepin-2 one의 합성
권순경,박영남 德成女子大學校 2003 德成女大論文集 Vol.32 No.-
The first of benzodiazepines was chlordiazepoxide, which was marketed as tranquilizer under the trade name Librium. Now benzodiazepine derivatives are prescribed for insomnia and muscle relaxants as well as to treat anxiety. As benzodiazepines used widely, drug abuse becomes a serious social problem because of psychological and physical dependence and over deaths. It is necessary to develop the in vitro diagnostic reagents for the detection of small amount of abused drugs in urines. Because accuracy and convenience for point of care testing systems are indispensable, immunological determinations are fit for our requirements, which react with specific drug antigens and are able to detect small amount of drugs in urine. A benzazepinone derivative(4), which will be used as a component of the reagents for detecting benzodiazepine drugs or their metabolite in urine, was synthesized from 5-phenyltetrahydrofuran-2-one(1) as a key intermediate.
Escherichia coli 패혈증 환자에 합병된 대칭적 하지 말단 괴사증 1예
남해성,유진홍,권순석,민준기,조현선,박민경,심병주,남유정,이지인,김진수,길욱현,조근종,신완식 대한감염학회 2005 감염과 화학요법 Vol.37 No.6
We have encountered a rare case of symmetrical peripheral gangrene complicating Escherichia coli sepsis in a 47-years-old male. He was successfully treated with antibiotics, anticoagulants, and vasodilator. To our knowledge, this is the first report on symmetrical peripheral gangrene complicating E. coli sepsis in Korea.
ω-(2-Oxo-5-Phenyl-2,3-dihydro-1H-benzazepinyl)alkanoic acids의 합성
권순경,박영남 德成女子大學校 藥學硏究所 2003 藥學論文誌 Vol.14 No.1
Benzodiazepines are used widely for medical purposes and drug abuse becomes a serious social problem because of psychological and physical dependence and overdose deaths. For accuracy and convenience to detect small amount of drugs in urine, it is necessary to develop a rapid in vitro detecting method. For this requirement the immunological determination reagent which reacts a specific drug antigens is one of the best method. A benzazepinylalkanoic acid which can be used as a component of the reagents for detecting benzodiazepine drugs or their metabolite in urine, was synthesized from 5-phenyl-4, 5-dihydro-1H-benzazepin-2-one(1).
5-phenyl-4,5-dihydro-1H-benzazepin-2-one의 합성
권순경,박영남 德成女子大學校 藥學硏究所 2003 藥學論文誌 Vol.14 No.1
The first of benzodiazepines was chlordiazepoxide, which was marketed as tranquilizer under the trade name Librium. Now benzodiazepine derivatives are prescribed for insomnia and muscle relaxants as well as to treat anxiety. As benzodiazepines used widely, drug abuse becomes a serious social problem because of psychological and physical dependence and overdose deaths. It is necessary to develop the in vitro diagnostic reagents for the detection of small amount of abused drugs in urine. Because accuracy and convenience for point of care testing systems are indispensable, immunological determinations are fit for our requirements, which react with specific drug antigens and are able to detect small amount of drugs in urine. A benzazepinone derivative(4), which will be used as a component of the reagents for detecting benzodiazepine drugs or their metabolite in urine, was synthesized from 5-phenyltetrahydrofuran-2-one(1) as a key intermediate.
Benzazepinylalkanoic acids 유도체의 염소도입반응
권순경,박영남 德成女子大學校 藥學硏究所 2003 藥學論文誌 Vol.14 No.1
The immunological determination method is one of the best method for accuracy and convenience to detect small amount of abused drugs in urine. To develop a rapid in vitro detecting method for benzodiazepine drugs or their metabolite in urine, chlorobenzazepinyalkanoic acid derivatives as haften were synthesized.
Allylthiopyridazine 유도체 합성 및 간보호 효과
권순경,이은방,김미경,박영남 德成女子大學校 藥學硏究所 1998 藥學論文誌 Vol.9 No.1
Allylthio group of the sulfur compounds of garlic oil plays an important role for prevention and treatment of hepatic diseases to be introduced by toxic substances or carbon tetrachloride. Thus allylthio group as a pharmacologically active group was introduced into pyridazine nucleus and a substituent such as halogen or alkoxy was also introduced into the para-posi-tion of allylthio group. Three allylthiopyridazine derivatives were synthesized and their hepatoprotective activities were screened in rat. Under the three compounds (6, 7, 8), 7 and 8 (methoxy-, ethoxy-substituent) are hepatoprotective, but 6 (chloro-substitu-ent) is negative.
해마 theta리듬과 pyramidal neuron의 세포내 특성과의 상관관계
권오흥,조진화,남순현,김현정,최병주,김영진,이만기 大韓小兒齒科學會 1998 大韓小兒齒科學會誌 Vol.25 No.4
Eledctrophysiological phenomena of pyramidal cells in the CAI area of the dorsal hippocampus were recorded from and filled with neurobiotin in anesthetized rats. The electropharmacological properties of membrane as well as the cellular-synaptic generation of rhythmic slow activity (theta)were examined. The intracellular response characteristics of these pyramidal cells were distinctly different from responses of inteneurons. Pyramidal cells had a high resting membrane potential, a low input resistance, and a large amplitude action potential. A afterhyperpolarization was followed a single action potential. Most of pyramidal cells did not display a spontaneous firing. Pyramidal cells displayed weak inward rectification and anodal break excitation. The slope of the frequency-current relation was 53.4 Hz/nA for the first interspike interval and 15.9 Hz/nA for the last intervals, suggesting the presence of spike frequency adaptation. Neurobiotin-filled neurons showed pyramidal morphology. Cells were generally bipolar dendritc processes ramifying in stratum lacunosum-moleculare, radiatum, and oriens. Commissural stimulation discharged pyramidal cells, followed by excitatory and inhibitory postsynaptic potentials (EPSPs and IPSPs). The frequency of theat-related membrane potential oscillation was voltage-independent in pyramidal neurons. At strong depolarization levels (less than 30 mV) pyramidal cells emitted sodium spike oscillation, phase-locked to theta. The observations provide direct evidence that theta-related rhythmic hyperpolarization of principal cells is brought by the rhythmically discharging interneurons. Furthermore, the findings in which interneurons were also paced by rhythmic inhibitory postsynaptic potentials during theta suggest that they were periodically hyperpolarized by their GABAergic septal afferents.