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側腦室內 Substance P가 家兎 腎臟機能에 미치는 影響
昔延鎬,黃炳斗,李載欣 충남대학교 의과대학 지역사회의학연구소 1981 충남의대잡지 Vol.8 No.2
In this study, the effects of substance P, administered intracranioventricularly, on the renal function of the rabbit were investigated. 1) Intraventricular substance P(0.01, 0.1 and 10ng) elicited antidiuresis, and decreased the renal plasma flow, glomerular filtration rate and urinary excreted amounts of sodium and potassium, but did not influence to free water clearance. 2) Correlation coefficient between changes of urine volume and of renal plasma flow, glomerular filtration rate or urinary sodium excretion was statistically significant. 3) Systemic blood pressure was not affected in a dose of 0.01ng, but increased in 0.1ng(10mmHg) or 10ng(20∼25mmHg). 4) Antidiuretic effects of intraventricular substance P were partially inhibited by the renal nerve degeneration. From the above results, it is suggested that the antidiuretic effect of intraventricular substance P is dae to renal hemodynamic changes, partially induced by renal sympathetic nerve activation.
Mo 화학기상증착에 있어서 불순물 농도에 미치는 증착조건의 영향
배상석,서성교,홍은식,김승모,조미정,한혜정,이두성,김세훈,민석홍 국립7개대학공동논문집간행위원회 2001 공업기술연구 Vol.1 No.-
The thermal decomposition process of Mo(CO)_6 on chemical vapor deposition was investigated by analyzing the effects of deposition temperature, pressure, and reaction gas on the phase change of deposited films. Mo_2C was deposited at or below 350℃ due to the incompleteness of thermal decomposition of Mo(CO)_6, but Mo films was successfully deposited at 400℃ or higher temperatures. The variation of deposition pressure did not change the dependence of decomposition process on deposition temperature. The activation energy of surface reaction was 5.8 ㎉/mole.
위 전절제술을 받았던 환자에서 아급성 연합성 변성 1예
한정호,하현욱,이정석,송은향,김우정,김두응,최진영 건국대학교 의과학연구소 2000 건국의과학학술지 Vol.10 No.-
Subacute combined degeneration is a metabolic disorder of the spinal cord caused by vitamin B12 deficiency. A 72-year old man was admitted with weakness and tingling sensation of the bosh upper extremities. 9 years ago, he was diagnosed as having stomach cancer. So total gastrectomy with splenectomy was done at that time. The complete blood cell counts and morphology revealed megaloblastic anemia. Nerve conduction velocity study(NCV), electoromyography(EMG) and somatosensory evoked potentials(SEP) showed diffuse sensorimotor peripheral neuropathy. Magnetic resonance imaging(MRI) showed an increased T2-weighted signal, mild decreased T1-weighted signal, and slight contrast enhancement of the posterior columns of the cord in the cervical and upper thoracic spinal region. He was treated with vitamin B12 supplements and improved gradually. If abnormal sensation and muscle weakness was developed after gastrointestinal surgery, subacute combined degeneration should be considered in the differential diagnosis. We describe MRI findings of a typical case of subacute combined degeneration, which was induced by total gastrectomy.
소아에서 Fogarty 카테터를 이용한 일측폐 환기 마취 경험
유수봉,강효석,임지훈,김두식,류시정 고신대학교의과대학 2008 고신대학교 의과대학 학술지 Vol.23 No.3
Thoracic surgery may be greatly facilitated by causing selective atelectasis of the lung being operated on (one-lung ventilation anesthesia). But the tube used for one-lung ventilation is greater outer diameter than conventional endotracheal tube when compare to each other with same inner diameter, so in some young children it is impossible to one-lung ventilation using double lumen tube or bronchial blocker tube because of narrow vocal cord. We performed one lung ventilation anesthesia using conventional endotracheal tube and Fogarty catheter as a bronchial blocker in 11-year old women who received lung biopsy surgery and left lower lobectomy.
지지막을 이용하는 액막 추출기 내에서 아연 이온의 이동
주창식,이석희,이민규,홍성수,하홍두,정석기 한국환경과학회 2000 한국환경과학회지 Vol.9 No.2
For the purpose of development of a liquid membrane permeator which separates metal ions from aqueous solutions continuously and effectively, a continuous membrane permeator with the membrane solution trapped between extraction and stripping phases by two micro-porous hydrophilic films was manufactured. Experimental researches on the separation of zinc ion from aqueous solutions were performed in the liquid membrane permeator with 30 vol % D_2EHPA solution in kerosine as liquid membrane. As results, the liquid membrane permeator separates zinc ion from aqueous solutions continuously and effectively in the wide range of operating conditions. A simple mass transfer rate model using equilibrium constant of the extraction reaction for the system used were proposed, and the model was compared with experimental results of separation of zinc ion in the permeator. And the effects of operating factors, such as space time, pH of extraction solution, extraction temperature, on the separation rate of zinc ion in the permeator were experimentally examined.
하현욱,한정호,이정석,송은향,김우정,김두응,최진영 건국대학교 의과학연구소 2000 건국의과학학술지 Vol.10 No.-
Pure primary medullary hemorrhage is a rare condition, which is characterized by ipsilateral hypoglossal nerve palsy and contralateral hemiparesis. The hemorrhage usually extended to medial and ventral medulla, these two characteristic signs distinguished from the classical presentation of Wallenberg's lateral medullary syndrome. A 53-years-old man was admitted with sudden onset left sides weakness and vertigo. Neurologic examination showed dysarthria, mild dysphagia, Horner syndrome of right side, spontaneous horizontal jerking nystagmus to left side and right deviation of tongue at protrusion. Pain and temperature sensation of left trunk, left extremity and right face were decreased. Brain CT scan and brain MRI revealed focal hemorrhage in the right medulla. We report a case of pure primary medullary hemorrhage with undetermined etiology.
Doo-Sang Park,Chan-Seok Yeon,Chuleui Jung,Ki-Jeong Hong,Hyun Woo-Oh 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.04
Rapid identification of pest species found under quarantine is an important factor in preventing an economic loss of agricultural commodities. In this study, we analyzed RNA-Seq of the larvae of C. sasakii, G. molesta and G. dimorpha, which are serious pests in several fruits in Korea and are difficult to discriminate by species in their larval stage because of lack of a morphological character. To select immunological diagnostic markers, discriminating the larvae of C. sasakii from the G. molesta and G. dimorpha, RNA-Seq was performed for the larvae of the three insects. The 454 pyrosequencing generated 3,058-4,686 contigs for each three pest species, which assembled into 2,584-3,970 isotigs with average lengths of 829-1,244 bp. Functional annotation of the sequencing results generated 774 orthologs for the three pest species, and 12 isotigs were finally registered as candidate markers for species discrimination through bioinformatical screening, literature search, and gene expression study. The selected candidates include serine proteases, serpins, 27 kDa glycoprotein and storage protein with a constitutive gene expression in their larvae, pupae and adult stage.