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- 저자 : Lim Chi Ming (검색결과 5 건)
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Ming, Lim Chi,Halim, Murni,Rahim, Raha Abd,Wan, Ho Yin,Ariff, Arbakariya Bin 한국식품과학회 2016 Food Science and Biotechnology Vol.25 No.5
The potential use of fed-batch cultivation (FBC) for improvement of the production of Lactobacillus salivarius I 24 biomass for subsequent use as probiotics was studied using a 2-L stirredtank bioreactor. Three different constant feeding rates (0.1, 0.05, and 0.033 L/h) were applied in FBCs and their effect on carbon metabolism was evaluated. The carbon flux for cell built-up with reduction in lactic acid synthesis was observed in the fed-batch as compared to the batch cultivation mode. The viable cell number obtained in the constant FBC (CFBC) operated at a feeding rate of 0.05 L/h was 8 times higher ($10.7{\times}10^{10}CFU/mL$) than that recorded in the batch cultivation. This gave the viable cell yield based on glucose consumed for CFBC of 26 times higher ($11.3{\times}10^{12}CFU/g_{Glucose}$) than the batch cultivation. This study demonstrated CFBC, which is simple with minimal use of process control equipment, has an industrial potential for improvement of probiotic production.
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Lim Chi Ming,Murni Halim,Raha Abd Rahim,Ho Yin Wan,Arbakariya Bin Ariff 한국식품과학회 2016 Food Science and Biotechnology Vol.25 No.5
The potential use of fed-batch cultivation (FBC) for improvement of the production of Lactobacillus salivarius I 24 biomass for subsequent use as probiotics was studied using a 2-L stirredtank bioreactor. Three different constant feeding rates (0.1, 0.05, and 0.033 L/h) were applied in FBCs and their effect on carbon metabolism was evaluated. The carbon flux for cell built-up with reduction in lactic acid synthesis was observed in the fed-batch as compared to the batch cultivation mode. The viable cell number obtained in the constant FBC (CFBC) operated at a feeding rate of 0.05 L/h was 8 times higher (10.7×1010 CFU/mL) than that recorded in the batch cultivation. This gave the viable cell yield based on glucose consumed for CFBC of 26 times higher (11.3×1012 CFU/gGlucose) than the batch cultivation. This study demonstrated CFBC, which is simple with minimal use of process control equipment, has an industrial potential for improvement of probiotic production.
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Human-Oriented Recognition for Intelligent Interactive Office Robot
Chia-Ming Wang,Shin-Huan Tseng,Pei-Wen Wu,Yuan-Han Xu,Chien-Ke Liao,Yu-Chi Lin,Yi-Shiu Chiang,Chung-Dial Lim,Ting-Sheng Chu,Li-Chen Fu 제어로봇시스템학회 2013 제어로봇시스템학회 국제학술대회 논문집 Vol.2013 No.10
This paper presents our new intelligent interactive robot, which is constructed to eagerly provide multi-functional services in an office environment. In order to endow a full interactive capability of our robots for realizing so-called human-robot interaction (HRI), we propose sensor fusion based human detection and tracking system and human pose estimation to deal with a number of situations which may take place in the office environment. Not only by these perceptions, human interact with the robot also by some natural way, such as touching the interface screen and talking with the robot through microphone. Finally, the effectiveness of the proposed work is tested and validated by some of experiments.
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( Seung Woon Paik ),( Chi-jen Chu ),( Yan Luo ),( Kwang-hyub Han ),( Jia-horng Kao ),( Jeong Heo ),( Cheng-yuan Peng ),( Yoon Jun Kim ),( Ting-tsung Chang ),( Young-suk Lim ),( Ming Lung Yu ),( Linda 대한간학회 2016 춘·추계 학술대회 (KASL) Vol.2016 No.1
Background: Chronic hepatitis C virus (HCV) infection is associated with development of complications including hepatocellular carcinoma, liver failure and cirrhosis. Patients with cirrhosis are historically more difficult to cure. In southeastern Asia, the most prevalent HCV genotype (GT) is GT1b. In western populations, the 3 direct-acting antiviral (3-DAA) regimen of ombitasvir (OBV), ritonavir-boosted paritaprevir (PTV/r; identified by AbbVie and Enanta) and dasabuvir (DSV) ± ribavirin (RBV) demonstrated sustained virologic response (SVR) at post-treatment week 12 (SVR12) rates of 99% in patients with GT1b infection and compensated cirrhosis regardless of prior treatment experience. The regimen, however, has not been investigated in southeastern Asian populations. The ONYX-II study is evaluating the efficacy and safety of this regimen in Asian patients with HCV GT1b infection and compensated cirrhosis. Methods: Treatment-naive and interferon-based therapy-experienced patients with HCV GT1b-infection and compensated cirrhosis were enrolled in South Korea, Taiwan, and China, and received 12 weeks of OBV/PTV/r (25 mg/150 mg/100 mg once daily) and DSV (250 mg twice daily) with RBV (weight-based). Patients will be followed for 48 weeks after the last dose of study drugs. The primary objectives are to compare the SVR12 rate to the known SVR rate of telaprevir + peg-interferon (IFN) + RBV therapy, and to assess the safety of OBV/PTV/r + DSV + RBV. Results: Twenty-one and 20 subjects were enrolled in South Korea and Taiwan, respectively. Of South Korean patients, 52% were male and 71% were treatment-experienced; of Taiwanese patients, 45% were male and 65% were treatment-experienced. Safety data and SVR at post-treatment week 4 (SVR4) will be available for presentation. Conclusions: The ONYX-II study evaluates the 3-DAA regimen of OBV/PTV/r + DSV with RBV for Asian patients with compensated cirrhosis and HCV GT1b infection. Resultant data may provide evidence for treatment guidelines for HCV GT1b in this population.
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A Kinetic Study of Thermal Degradations of Chitosan/Polycaprolactam Blends
Liao, Shen-Kun,Hung, Chi-Chih,Lim, Ming-Fung The Polymer Society of Korea 2004 Macromolecular Research Vol.12 No.5
We have used FT-IR spectra to explain the effects of hydrogen bonding between chitosan and polycaprolactam (PA6). A dynamic mechanical analysis study suggested that the optimum chitosan and PA6 miscibility under the conditions of this experiment were obtained at a blending ratio of 40:60. We studied the thermal degradation of chitosan blended with PA6 (chitosan/PA6) by thermogravimetric analysis and kinetic analysis (by the Ozawa method). Dry chitosan and PA6 exhibited a single stage of thermal degradation and chitosan/PA6 blends having> 20 wt% PA6 exhibited at least two stages of degradation. In chitosan/PA6 blends, chitosan underwent the first stage of thermal degradation; the second stage proceeded at a temperature lower than that of PA6, because the decomposition product of chitosan accelerated the degradation of PA6. The activation energies of the blends were between 130 and 165 kJ/mol, which are also lower than that of PA6.
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