• Title/Summary/Keyword: cell cycles

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Two Cases of Non-Small Cell Lung Cancer Treated with Intravenous Cultivated Wild Ginseng Pharmacopuncture (산삼약침 혈맥주입을 시행한 비소세포성폐암 환자 2례)

  • Bang, Sun-Hwi;Kwon, Ki-Rok;Yoo, Hwa-Seung
    • Journal of Pharmacopuncture
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    • v.11 no.2
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    • pp.13-19
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    • 2008
  • Objectives To investigate the therapeutic effects of intravenous cultivated wild ginseng(Panax ginseng C.A. Meyer) pharmacopuncture(CWGP) in treating patients with non-small cell lung cancer(NSCLC). Design Prospective case series. Setting This study was conducted at the East-West Cancer Center of Dunsan Oriental Hospital, Daejeon University. Patients Two non-small cell lung cancer patients. Intervention Two non-small cell lung cancer patients were injected CWGP(20mL/day) mixed with 0.9% normal saline(100mL) intravenously. Each patient received a total of 16 and 9 cycles, respectively. One cycle is composed of 14 days. Outcome Measures The effect of intravenous CWGP was measured by scanning with computed tomography(CT) after every 2 cycle and Positron emission tomography- computed tomography(PET/CT) after every 6 cycles. Response and progression was evaluated using the Response Evaluation Criteria in Solid Tumors(RECIST) Committee classification of complete response(CR), partial response(PR), progressive disease(PD) and stable disease(SD). Results They were treated with intravenous CWGP for 8 and 5 months respectively. time later, each tumor remains stable disease(SD). Conclusion These cases may give us a possibility that intravenous CWGP offers potential benefits for non-small cell lung cancer patients.

Comparison of Metabolic and Anatomic Response to Chemotherapy Based on PERCIST and RECIST in Patients with Advanced Stage Non-small Cell Lung Cancer

  • Ordu, Cetin;Selcuk, Nalan A.;Akosman, Cengiz;Eren, Orhan Onder;Altunok, Elif C.;Toklu, Turkay;Oyan, Basak
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.1
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    • pp.321-326
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    • 2015
  • Background: The aim of this study was to explore the prognostic role of metabolic response to chemotherapy, determined by FDG-PET, in patients with metastatic non-small-cell lung cancer (NSCLC). Materials and Methods: Thirty patients with metastatic NSCLC were analyzed for prognostic factors related to overall survival (OS) and progression free survival (PFS). Disease evaluation was conducted with FDG-PET/CT and contrast-enhanced CT prior to and at the end of first-line chemotherapy. Response evaluation of 19 of 30 patients was also performed after 2-3 cycles of chemotherapy. Morphological and metabolic responses were assessed according to RECIST and PERCIST, respectively. Results: The median OS and PFS were 11 months and 6.2 months, respectively. At the end of first-line chemotherapy, 10 patients achieved metabolic and anatomic responses. Of the 19 patients who had an interim response analysis after 2-3 cycles of chemotherapy, 3 achieved an anatomic response, while 9 achieved a metabolic response. In univariate analyses, favorable prognostic factors for OS were number of cycles of first-line chemotherapy, and achieving a response to chemotherapy at completion of therapy according to the PERCIST and RECIST. The OS of patients with a metabolic response after 2-3 cycles of chemotherapy was also significantly extended. Anatomic response at interim analysis did not predict OS, probably due to few patients with anatomic response. In multivariate analyses, metabolic response after completion of therapy was an independent prognostic factor for OS. Conclusions: Metabolic response is at least as effective as anatomic response in predicting survival. Metabolic response may be an earlier predictive factor for treatment response and OS in NSCLC patients.

Tumor-reducing effect of SB injection in a non-small cell lung cancer patient: A case report (비소세포폐암 환자의 종양 축소에 대한 SB 주사 효과 증례)

  • Park, Ji Hye;Park, So Jung;Kang, Hwi Joong;Cho, Chong Kwan;Han, Kyun In;Yoo, Hwa Seung
    • Journal of Korean Traditional Oncology
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    • v.19 no.1
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    • pp.61-68
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    • 2014
  • Objectives : To study the effect of SB injection on tumor size in an advanced non-small cell lung cancer patient. Methods : A patient was clinically diagnosed as advanced non-small cell lung cancer (Stage IIIa). Four cycles of intravenous SB injection were conducted. Each cycle lasted 4 days. The content of 7vials SB was injected every day. To compare the tumor size before treatment and after four cycles of SB injection, chest computed tomography (CT) was performed. Results : Follow-up CT images showed that the tumor size was reduced. In admission, size of the tumor $6.7{\times}8.5{\times}9.5cm$ on the left lower lobe of lung. After SB injection, size of the tumor $5.6{\times}6.8{\times}8.4cm$ by Chest CT. The patient's symptoms such as cough, sputum were improving until four cycles of SB injection. Numerical rating scale (NRS) showed improvement of Chest pain from point 3 to point 0. Conclusions : This case study suggests that intravenous SB injection may have significant effects of anti-tumor for non-small cell lung cancer.

Effect of Light/dark Cycles on Wastewater Treatments by Microalgae

  • Lee, Kwangyong;Lee, Choul-Gyun
    • Biotechnology and Bioprocess Engineering:BBE
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    • v.6 no.3
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    • pp.194-199
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    • 2001
  • Chlorella kessleri cultivated in artificial wastewater using diurnal illumination of 12h light/12h dark (L/D) cycles. The inoculum density was 10(sup)5 cells/mL and the irradiance in light cycle was 45$\mu$mol㎡s(sup)-1 at the culture surface. As a control culture, another set of flasks was cultivated under continuous illumination. Regardless of the illumination scheme, the total organic carbon (TOC) and chemical oxygen demand (COD) was reduced below 20% of the initial concentration within a day. However, cell concentration under the L/D lighting scheme was lower tan that under the continuous illuminating scheme. Thus the specific removal rate of organic carbon under L/D cycles was higher than that under continuous illumination. This result suggested that C. kessleri grew chemoorganotrophically in the dark periods. After 3 days, nitrate was reduced to 136.5 and 154.1mg NO$_3$-N/L from 168.1mg NO$_3$-N/L under continuous illumination and under diurnal cycles, respectively. These results indicate nitrate removal efficiency under continuous light was better than that under diurnal cycles. High-density algal cultures using optimized photobioreactors with diurnal cycles will save energy and improve organic carbon sources removal.

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Monitoring the Degradation Process of Inconel 600 and its Aluminide Coatings under Molten Sulfate Film with Thermal Cycles by Electrochemical Measurements

  • Take, S.;Yoshinaga, S.;Yanagita, M.;Itoi, Y.
    • Corrosion Science and Technology
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    • v.15 no.6
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    • pp.259-264
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    • 2016
  • With a specially designed electrochemical cell, the changes in impedance behavior for Inconel 600 and aluminide diffusion coatings under molten sulfate film with thermal cycles (from $800^{\circ}C$ to $350^{\circ}C$) were monitored with electrochemical impedance measurements. It was found that corrosion resistance for both materials increased with lower temperatures. At the same time, the state of molten salt was also monitored successfully by measuring the changes in impedance at high frequency, which generally represents the resistance of molten salt itself. After two thermal cycles, both Inconel 600 and aluminide diffusion coatings showed excellent corrosion resistance. The results from SEM observation and EDS analysis correlated well with the results obtained by electrochemical impedance measurements. It is concluded that electrochemical impedance is very useful for monitoring the corrosion resistance of materials under molten salt film conditions even with thermal cycles.

A Study on the Effect of Water Freezing on the Characteristics of Polymer Electrolyte Membrane Fuel Cells (물의 결빙이 고분자전해질 연료전지 성능에 미치는 영향 및 그 원인에 관한 연구)

  • Ko, Jae-Joon;Cho, Eun-Ae;Ha, Heung-Yong;Hong, Seong-Ahn;Lee, Kwan-Young;Lim, Tae-Won;Oh, In-Hwan
    • Journal of the Korean Electrochemical Society
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    • v.6 no.1
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    • pp.36-40
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    • 2003
  • Freezing of water in a polymer electrolyte membrane fuel cell (PEMFC) may cause severe problems in driving a fuel cell vehicle during the winter time. Characteristics of PEMFC which suffered low temperatures below zero degree was examined with the thermal cycles from 80 to $-10^{\circ}C$. With the thermal cycles, the cell performance was degraded due to the phase transformation and volume changes of water. Effects of freezing of water in PEMFC on the electrode structure and polarization resistance were examined by BET analysis, cyclic voltammetry, and AC impedance spectroscopy.

Performance Degradation of a Battery in an Energy Storage System (ESS) under Various Operating Conditions and Monitoring Study of ESS Connected with Photovoltaic (에너지 저장 시스템 (ESS)용 배터리의 운전조건에 따른 성능 저하 및 태양광 연계형 ESS 모니터링 연구)

  • Jung, Euney;Jung, Hanjoo;Jeong, Younki;Lee, Jaeyoung;Lee, Hongki
    • Transactions of the Korean hydrogen and new energy society
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    • v.25 no.3
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    • pp.311-318
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    • 2014
  • Performance degradation of a battery in 20 kWh energy storage system (ESS) under various operating conditions was studied. And energy saving of the ESS was also monitored by connecting with 20 kW photovoltaic (PV). PV-connected ESS saved 5~7% of energy consumption in 2013 compared to that without such system in 2012. As charge-discharge cycle increased, capacity decreased and the performance degradation was glaringly obvious after 40 cycles. And as charge and discharge rate increased, the performance degradation was more serious. After 50 charge-discharge cycles, a lot of degraded product was deposited on the surface of anode and cathode electrodes, and the cathode side was more contaminated. Therefore, in order to maintain the cell performance, it was more important to protect the degradation of the cathode side.

Comparative Evaluation of Probiotic Activities of Bifidobacterium longum MK-G7 with Commercial Bifidobacteria Strains

  • Jung, Hoo-Kil;Kim, Eung-Ryool;Ji, Geun-Eog;Park, Jong-Hyun;Cha, Seong-Kwan;Juhn, Suk-Lak
    • Journal of Microbiology and Biotechnology
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    • v.10 no.2
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    • pp.147-153
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    • 2000
  • This study was conducted to compare probiotic activities and physiological functions of Bifidobacterium longum Mk-G7 with weveral commercial and type strains of bifidobacteria. bif. longum MK-G7 showed the highest acid tolerance against HCl and acetic acid, whereas bif. infantis Y-1 showed the lowest acid tolerance and more than 4 log cycles of viable cell count decreased due to acid injuty. Viable cell counts of bifidobacteria strains decreased more than 1.5 log cycles owing to oxygen toxicity, with the exception of Bif. longum MK-G7, Bif. infantis Y-2, Bif. longum Y-3, Bif. longum Y-6, and Bif. longum RD-13 showed the highest bile tolerance, whereas Bif. longum MK-G7 showed a medium level of bile tolerance. Only Bif. longum MK-G7 howed much higher antibiotic resistance against both tetracycline and penicillin-G in the MIC(minimum inhibitory concentration) level of 24.8 mg/I and 0.52mg/I, respectively. Bif longum Y-6, and Bif. bifidum ATCC 29539 showed more than 80% of anti-mutagenicity against NQO(4-nitroquinolinel-oxide). Since the production of cytokines such as $TNF(tumor necrosis factor)-{\alpha}$ and IL (interleukin)-6, and NO(nitric oxide) in the macrophage cell line Raw 264.7 cells increased as Bif. longum MK-G7 cell concentration increased, ti was suggested that Bif. longum MK-G7 is able to enhance immunopotentiating activity in vitro. When freeze-dred Bif. longum MK-G7 was administered to mice at the dose of 1,2,4, and 6 g/kg of body weight, all of the mice survived in all feeding groups, proving the GRAS(generally recognized as safe) status of Bif. longum MK-G7. When fermented milk containing Bif. longum MK-G7 was administered to human volunteers, viable cell count of total bifidobacteria and anaerobes in the feces increased up to 0.5 log cycles more than before the administration. In particular, Bif. logum MK-G7 ingibited the growth of Bacteroides at the level of 1.0-1.5 log cycles.

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Electrode of Low Impedance by Polypyrrole Addition for Supercapacitor (폴리피롤 첨가에 의한 supercapacitor용 저 임피던스 전극)

  • 김경민;장인영;강안수
    • Proceedings of the Safety Management and Science Conference
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    • 2003.11a
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    • pp.343-350
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    • 2003
  • The best Ppy weight ratio was 7 wt% and the optimal electrode composition ratio was 78 : 17 : 5 wt.% of (MSP-20 : BP-20 =1 : 1), (Super P : Ppy =10 : 7) and P(VdF-co-HFP). Implantation of Ppy as the conducting agents have led to superior electrochemical characteristics because of the low of internal resistance and faradaic capacitance. The result of unit cell with Ppy 7 wt% were as follows: 28.02 Fig of specific capacitance, 1.34 Ω of DC-ESR and 0.36 Ω of AC-ESR. Unit cell showed a good stability up to 200 charge-discharge cycles, retaining 82% of their original capacity at 200 cycles. From the analysis of impedance, the electrodes with Ppy 7 wt% showed low ESR, low charge transfer resistance and quick reaction rate. It was inferred that quick charge-discharge was possible. As compared with the specific capacitance (rectangular shape) of CV, it was also concluded that the specific capacitance originated from thecompound phenomena of the faradaic capacitance by oxidation and reduction of Ppy and the non-faradaic capacitance by adsorption-desorption of activated carbon.

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Electrochemical Properties of Electric Double Layer Capacitor with PolyanilineComposite (Polyaniline Composite 전극을 사용한 전기 이중층 캐패시터의 전기화학적 특성)

  • 강광우;김종욱;구할본
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 1999.11a
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    • pp.370-373
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    • 1999
  • The purpose of this study is to research and develop PAn composite electrode for EDLC. EDLC cell of PAn composite electrode with 1M LiClO$_4$/PC brings out good capacitor performance below 4.0V. The radius of semicircle of PAn composite electrode adding 15wt% SP270 was absolutely small. The total resistance of EDLC cell mainly depended on internal resistance of the electrode. The discharge capacitance of PAn composite with 15wt% SP270 in 1st and 200th cycles was 42 and 42 F/g at current density of 1mA/cm$^2$. The capacitance of PAn composite with 15wt%. SP270 capacitor was larger than that of PAn capacitor without SP270. The coulombic efficiency of EDLC at discharge process of 1 and 200 cycles were 94 and 100% respectively. PAn composite EDLC with 15wt% SP270 content showed good capacitance and stability with cycling.

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