• Title/Summary/Keyword: Ethanol injection

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The Effect of Ginseng on the Hepatic Ethanol-Metabolizing Enzyme Activity in Rat Liver (백서(白鼠)에 인삼(人蔘) 투여시(投與時) 간(肝)의 에탄올 대사(代謝) 효소(酵素) 활성(活性)에 미치는 효과(效果))

  • Jang, Myung-Ryul;Kim, Nak-Doo;Ko, Kwang-Ho
    • Korean Journal of Pharmacognosy
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    • v.15 no.2
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    • pp.91-97
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    • 1984
  • The investigation was aimed to study the effect of ginseng ethanol extract on the hepatic ethanol-metabolizing enzyme activity in vivo. The extract (100mg/kg/day) was administered orally to Sprague-Dawley rats for $7{\sim}10$ days and their microsomal ethanol oxidizing system(MEOS) and catalase activities were measured. The MEOS activity in the rat treated with the extract was not significantly different from that of the normal group. Microsomal fraction containing MEOS was separated and the MEOS activity was measured after preincubation for 5, 60 and 180 min, respectively. There were no significant differences in MEOS activities between the normal and treated groups preincubated for 5, 60 and 180 min. The activity in the rat treated with single i.p. injection of 95% $CCl_4$ (0.5ml/kg) was decreased by 48%, compared to the normal group and in the rat treated with the extract (100mg/kg) for $7{\sim}10$ days, the decrease of the MEOS activity was potentiated. Catalase activity in the rat treated with the extract (100mg/kg) was similar to that obtained from the normal group.

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In Vivo Experimental Study on the Effects of Fluid in Increasing the Efficiency of Radiofrequency Ablation

  • Sun, Yi-Xin;Cheng, Wen;Han, Xue;Liu, Zhao;Wang, Qiu-Cheng;Shao, Hua
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.14
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    • pp.5799-5804
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    • 2014
  • Background: Radiofrequency ablation (RFA) is the most widely used and studied method internationally for the local treatment of liver tumors. However, the extension of coagulation necrosis in one RFA procedure is limited and incomplete coverage of the damaged area can lead to a high local recurrence rate. Objective: In this study, we compared the effects of different solutions in enhancing hepatic radiofrequency by establishing a rabbit VX2 liver cancer model. We also determined the optimal solution to maximise effects on the extent of RFA-induced coagulation necrosis. Methods: Thirty VX2 tumor rabbits were randomly assigned to five groups: group A, RFA alone; group B, RFA with anhydrous ethanol injection; group C, RFA with 5% hypertonic saline injection; group D, RFA with lidocaine injection; and group E, RFA with a mixed solution. Routine ultrasound examinations and contrast-enhanced ultrasound (CEUS) of the ablation areas were performed after RFA. Then, we measured the major axis and transverse diameter and compared the areas of coagulation necrosis induced by RFA. Results: The mean ablation area range increased in groups B, C and especially E, and the scopes were greater compared with group A. Preoperative application of anhydrous ethanol, hypertonic saline, lidocaine and the mixed solution (groups B, C, D and E, respectively) resulted in larger coagulation necrosis areas than in group A (p<0.05). Among the groups, the coagulation necrosis areas in group E was largest, and the difference was statistically significant compared with other groups (p<0.05). Pathological findings were consistent with imaging results. Conclusions: A mixture of dehydrated alcohol, hypertonic saline and lidocaine injected with RFA increases the extent of coagulation necrosis in the liver with a single application, and the mixed solution is more effective than any other injection alone.

Antitussive Effect of Fritillaria unibracteata Hsiao et K. C. Hsia

  • Moon, Jung-Wook;Chen-Zhi, Chen-Zhi;Song, Won-Seob
    • Korean Journal of Plant Resources
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    • v.24 no.6
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    • pp.729-732
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    • 2011
  • This experiment was conducted to clarify the antitussive effect of Fritillaria unibracteata Hsiao et K. C. Hsia. The antitussive effect in ethanol (75, 50, 30%) extracts from F. unibracteata was relatively high. The ethanol extracts of 20, 40 mg/kg concentrations were especially good antitussive effect. The ethanol extracts of F. unibracteata showed lower antitussive activities of 20~30% than sodium chloride injection used as a blank space control.

Effects of Ethanol Administration on Glutathione and Lipid Peroxide Levels in Rat Liver and Cerebellum (에탄을 공급이 흰쥐 조직중의 Glutathione 및 지질산화 수준에 미치는 영향)

  • 이정원
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.20 no.4
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    • pp.285-292
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    • 1991
  • The effects of acute and chronic ethanol administration on hepatic and cerebellar glutathione (GSH) statuses and lipid peroxide levels in rats were investigated. In the liver, chronic ethanol feeding (6.9 g/kg, per day) as 10% (v/v) drinking water for 4 weeks produced a slight decrease of total GSH and an increase in the ratio of GSSG/total GSH without change of GSSG (oxidized GSH). Lipid peroxide level however was not modified. Many other studies have shown the acute ethanol loading effect in the rat liver, that is moderate decrease of total GSH and elevation of lipid peroxide level. Relating to this, it was observed that total GSH in the plasma obtained from post. hepatic inferior vena cava was increased by acute ethanol injection (50 mmol/kg, i.p.). This increased hepatic efflux of GSH into blood, in addition to the promoted antioxidative utilization of GSH, could be suggested as one of the possible reasons for the decrease of hepatic GSH induced by ethanol load. In the cerebellum, acute ethanol load did not change the total GSH and GSSG, but increased the lipid peroxidation rate. In the chronic, neither GSH pattern nor lipid peroxidation rate was changed.

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Endoscopic Management with Ethanol Injection in a Child with Gastric Dieulafoy Lesion (Dieulafoy 병변 소아의 내시경적 치료 1례)

  • Kim, Hyun-Jin;Shin, Jee-Seon;Seo, Jeong-Wan
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.6 no.2
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    • pp.187-191
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    • 2003
  • The Dieulafoy's lesion is a rare cause of recurrent massive gastrointestinal bleeding in children. The bleeding results from an abnormally large submucosal artery that protrudes through a small mucosal defect. The lesion is commonly found on proximal stomach. Surgical intervention was believed to be the best treatment in the past, but recent advancement in endoscopy has made effective hemostasis possible. We report a case of a 9-year-old boy with underlying mycoplasma pneumonia with effusion who presented with massive upper gastrointestinal bleeding. Bleeding was controlled with endoscopic treatment by epinephrine and ethanol injection and the patient was successfully treated.

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A binder system for low carbon residue and debinding behaviors in injection molding of NdFeB powder (NbFeB 분말사출성형에소 저잔류탄소를 위한 결합제 및 탈지거동)

  • 최준환
    • Journal of Powder Materials
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    • v.6 no.2
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    • pp.132-138
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    • 1999
  • A new binder system and debinding process for low carbon residue in the injection molding of Nd(Fe, Co)B powder are investigated. In the injection molding of magnetic materials, it is demanded to reduce carbon residue which deteriorates their magnetic properties. The binder system developed is composed of polyethylene glycols (PEGs) and polypropylene (PP). PEG was selected as a major binder is component to be extracted in a molecular state by solvent extraction in ethanol, which step would leave no residue. PP was selected as a minor binder component to be subsequently removed by thermolysis which step would leave carbon residue. The behaviors of solvent extraction with the variations of PEG molecular weight, temperature, and time were examined. The dependency of residual carbon content on thermolysis atmosphere was also studied. Opened pore channels introduced in a green body by the solvent extraction and microstructures of the sintered magnets were observed using SEM.

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Characteristics of Volatile Compound Adsorption from Alcoholic Model Solution onto Various Activated Carbons (알코올모델용액을 이용한 여러 종류 활성탄의 휘발성화합물 흡착특성)

  • Park, Seung-Kook;Lee, Myung-Soo;Kim, Byung-Ho;Kim, Dae-Ok
    • Food Engineering Progress
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    • v.14 no.3
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    • pp.249-255
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    • 2010
  • Ten commercial activated carbons (ACs) prepared from four different sources (bamboo, wood, peat, and coal) were evaluated for their adsorptive efficiency of six volatile compounds (isoamyl alcohol, hexanal, furfural, ethyl lactate, ethyl octanoate, 2-phenyl ethanol) which were dissolved in a 30% alcoholic model solution. These six volatile compounds are frequently found in alcoholic beverages and possibly contribute to physiological hangover due to their high concentrations. They are also generally regarded as off-flavor compounds at certain levels in alcoholic beverages such as whisky and vodka. Two hundred mL of 30% alcoholic solutions containing these six volatile compounds were treated with 0.2 g of ACs while stirring for 16 hr; the treated solutions were then measured for their adsorptive efficiencies (or removal efficiencies) by gas chromatographic analysis using two different sampling methods (direct liquid injection and headspace-solid phase microextraction). The adsorptive efficiencies of the ACs varied depending on the identity of the volatile compounds and the source material used for making the ACs. Ethyl octanoate, 2-phenyl ethanol, and hexanal were removed at high efficiencies (34-100%), whereas isoamyl alcohol, ethyl lactate, and furfural were removed at low efficiencies (5-13%). AC prepared from bamboo showed a high removal efficiency for isoamyl alcohol, aldehydes (hexanal and furfural), and 2-phenyl ethanol; these major fusel oils have been implicated as congeners responsible for alcohol hangover.

Treatment of Experimental Hydronephrosis Using Renal Artery Embolization and Sclerotherapy in Beagle Dogs (신동맥색전술과 신우경화술을 이용한 비글견의 실험적 수신증 치료)

  • Chang Dong-woo;Lee Young-won;Shin Sang-tae
    • Journal of Veterinary Clinics
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    • v.22 no.2
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    • pp.119-124
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    • 2005
  • This study was performed to validate the procedure of transarterial embolization of the renal artery (TAE-RA) and sclerotherapy of renal pelvis using iohexol-ethanol solution in dogs with unilateral experimental hydronephrosis. Experimental hydronephrosis was induced by unilateral ureter ligation for 20 days in five Beagle dogs. Renal artery embolization with iohexol-ethanol solution was performed using selective catheterization technique in the hydronephrotic kidney and sclerotherapy was done by injection of the iohexol-ethanol solution through percutaneously placed pig-tail catheter. EKG, $SpO_2$ body temperature, pulse, and respiratory rate were within normal ranges during procedures. Average pure ethanol dose for renal artery embolization was $1.1\pm0.3ml/kg$. Renal artery embolization was confirmed by the detection of no blood flow signal at the interlobar and arcuate artery using color Doppler ultrasonography. There were no dogs expired after TAE-RA and sclerotherapy and no side effects associated with regurgitation of iohexol-ethanol solution. The value of BUN, creatinine, ALT, AST, Ca, P in five dogs were within normal range during the experiment period. Ultrasonographically, the mean longitudinal and transverse length and the depth of the embolized kidney significantly decreased at 28 days after TAE-RA. We may conclude that TAE-RA and sclerotherapy with iohexol-ethanol solution is an effective methods for the treatment of unilateral hydronephrosis in dogs.

Improvements of GC and HPLC Analyses in Solvent (Acetone-Butanol-Ethanol) Fermentation by Clostridium saccharobutylicum Using a Mixture of Starch and Glycerol as Carbon Source

  • Tsuey, Liew Shiau;Ariff, Arbakariya Bin;Mohamad, Rosfarizan;Rahim, Raha Abdul
    • Biotechnology and Bioprocess Engineering:BBE
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    • v.11 no.4
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    • pp.293-298
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    • 2006
  • A study on the feasibility of using improved computer-controlled HPLC and GC systems was carried out to shorten the time needed for measuring levels of the substrates (glucose, maltose, and glycerol) and products (acetone, butanol ethanol, acetic acid, and butyric acid) produced by Clostridium saccharobutylicum DSM 13864 during direct fermentation of sago starch to solvent. The use of HPLC system with a single injection to analyse the composition of culture broth (substrates and products) during solvent fermentation was achieved by raising the column temperature to $80^{\circ}C$. Although good separation of the components in the mixture was achieved, a slight overlap was observed in the peaks for butyric acid and acetone. The shape of the peak obtained and the analysis time of 26.66 min were satisfactory at a fixed flow rate of 0.8mL/min. An improved GC system was developed, that was able to measure the products of solvent fermentation (acetone, butanol, ethanol, acetic acid, and butyric acid) within 19.28 min. Excellent resolution for each peak was achieved by adjusting the oven temperature to $65^{\circ}C$.

Development of an Auto Dilution Unit of Substrate Solutionfor a Flow Injection Type Biosensor (흐름주입식 바이오센서용 기질용액 자동희석 장치 개발)

  • Song, D.B.;Jung, H.S.;Jung, D.H.;Kim, S.T.
    • Journal of Biosystems Engineering
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    • v.31 no.5 s.118
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    • pp.443-448
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    • 2006
  • For development of an on-line monitoring unit of fermentation process, an auto dilution unit based on traditional chemical and biological analytical method was developed and the performance was evaluated. The dilution unit was constructed with two syringe pumps and flow direction change valves and fully automated. Total delivery volume of two pumps using distilled water was measured to confirm the operating stability And diluted concentrations of three substrate solutions (glucose, lactic acid, ethanol) were compared with a standard method with a high performance liquid chromatograph (glucose, lactic acid) and gas chromatograph (ethanol). Relative error values of total delivery volume of the pumps were below 3% and standard deviation values were 0.003 (n=5). Relative error values of diluted concentration of the dilution unit measurements were below 2% with 1/10 of dilution ratio and 70, $80{\mu}{\ell}$ of sample volume conditions for glucose and lactic acid, 1/30 of dilution ratio and $70{\mu}{\ell}$ of sample volume conditions for ethanol, respectively. In case of the ethanol, cause of the evaporative characteristics, the relative error values showed over 5% whole experimental conditions.