• Title/Summary/Keyword: $C^3ISP$

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The Effect of Fermentation of Soybeans on the Protein and Mineral Bioavailability in the Rats (대두의 발효가 흰쥐의 단백질 및 무기질의 생체 이용율에 미치는 영향)

  • Bai, Young-Hee;Yoon, Sun
    • Journal of Nutrition and Health
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    • v.18 no.2
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    • pp.139-146
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    • 1985
  • This study was attempted to investigate the effect of fermentation of soybean on protein and mineral bioavailability. The traditional, oriental fermented soybean foods, Meju and Tempeh, and isolated soybean protein( ISP ) and cooked soybean were prepared and fed to rats as sources of protein. The C-PERs of ISP, cooked soybean, Meju and Tempeh were 1.82, 1.98, 2.11, and 2.36, respectively C-PERs of fermented soybean products, Meju and Tempeh were higher than ISP and cooked soybeans. However, they were not significantly different The percent retention of protein of rats fed with casein, ISP, cooked soybean, Meju and Tempeh were 47.44%, 51.83%, 47.67%, 50.90% and 45.97%, respectively, showing no significant differences among the diets. The rates of calcium retention percent were 62.26%, 59.22%, 61.59%, 55.78% and 67.09 % in rats fed with casein, ISP, cooked soybean, Meju and Tempeh, respectively, demonstrating no significant differences. Rats fed with cooked soybeans did show significantly higher iron retention rate than other samples. However, this study failed to any significant increase in iron availability. The percent of fine retained in rats fed with ISP was significantly lower than those of rats fed with other diets, however, significantly high amounts of zinc were retained in rats fed with Tempeh compared with other diets. The percents of zinc, iron, calcium retained in the bones of rats were not significantly different among the diets.

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Purification and characterization of bromelain isolated from pineapple (파인애플 bromelain의 정제 및 특성)

  • Suh, Hyung-Joo;Lee, Ho;Cho, Hong-Yon;Yang, Han-Chul
    • Applied Biological Chemistry
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    • v.35 no.4
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    • pp.300-307
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    • 1992
  • Bromelains (EC 3.4.4.24) isolated from pineapple fruit and stem have been purified about 18 and 46-folds to homogenity in the same yield of 23%. Molecular weights of fruit and stem-bromelain were estimated to be 32.5 KDa and 37 KDa by Sephadex G-200, respectively. The enzymes were composed of one subunit. The fruit and stem-bromelain had their maximum activity at pH 8.0, $70^{\circ}C$ and at pH 7.0, $60^{\circ}C$. Especially the enzymes catalyzed hydrolysis of plant proteins such as ISP (Isolated soybean protein) and wheat gluten with high molecular activity compared to animal proteins. The enzymes were competitively inhibited by sulfhydryl reagent; $K_i$ values of fruit and stem-bromelain for pCMB(p-chloromercuribenzoate) were 0.18 mM and 0.10 mM. Activities of the enzymes inhibited by pCMB were reversibly restored with increasing concentration of cysteine.

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Optimization of Culturing Conditions for Improved Production of Bioactive Metabolites by Pseudonocardia sp. VUK-10

  • Kiranmayi, Mangamuri Usha;Sudhakar, Poda;Sreenivasulu, Kamma;Vijayalakshmi, Muvva
    • Mycobiology
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    • v.39 no.3
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    • pp.174-181
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    • 2011
  • The purpose of the present study was to investigate the influence of cultural and environmental parameters affecting the growth and bioactive metabolite production of the rare strain VUK-10 of actinomycete Pseudonocardia, which exhibits a broad spectrum of in vitro antimicrobial activity against bacteria and fungi. Production of bioactive metabolites by the strain was high the in modified yeast extract-malt extract-dextrose (ISP-2) broth, as compared to other tested media. Glucose (1%) and tryptone (0.25%) were found to be the most suitable carbon and nitrogen sources, respectively, for optimum production of growth and bioactive metabolites. Maximum production of bioactive metabolites was found in the culture medium with initial pH 7 incubated with the strain for four days at $30^{\circ}C$, under shaking conditions. This is the first report on the optimization of bioactive metabolites by Pseudonocardia sp. VUK-10.

The Effect of Non-documentary Condition for Letter of Credit and Demand Guarantee (신용장과 청구보증서의 비서류적 조건의 유효성에 관한 연구)

  • Park, Sae-Woon;Choi, Jang-Woo
    • International Commerce and Information Review
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    • v.13 no.4
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    • pp.275-295
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    • 2011
  • Any attempt which requires banks to consider non-documentary conditions would destroy autonomy principle and increase the risks of the bank in L/C transactions. Therefore, non-documentary conditions are disregarded in the letter of credit. This provision was first introduced in UCP500, but later, ICC Position Paper No.3 added that if L/C requires documents related to non-documentary conditions, it cannot be disregarded. While the language in UCP600 is basically the same as that in UCP500, there is a difference between the two in that the former disregards the documents related to non-documentary conditions even if they are required by L/C. However, it should be remembered that international standard banking practice does not disregard all of non-documentary conditions. It recognizes the validity of some non-documentary conditions which it is not feasible to change into documentary conditions. That is, such non-documentary conditions as can be determined from an index specified in the guarantee or identified from the issuing bank's own records or their normal operations are recognized as valid in legal cases. ISP98 and UR00758 do not consider these as non-documentary conditions. The applicant should be cautious not to include non-documentary conditions in their applications.

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Formation of Rod-like $Al_2TiO_5$ via Mechanical Activation Followed by Thermal Processing

  • Chen, Xiaohu;Chen, Xiaomin;Zhao, Huang;Wud, Jihuai
    • Proceedings of the Korean Powder Metallurgy Institute Conference
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    • 2006.09a
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    • pp.163-164
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    • 2006
  • A QM-ISP-4 Planetary Mill was employed to activate mechanically the mixtures of anatase and corundum at room temperature for different times. The milled powder mixtures were then sintered at $1300^{\circ}C$ for 1 h. The XRD results showed that the milled powder mixtures were completely transformed into $Al_2TiO_5$ after sintering, except the mixtures milled for 5 and 10 hours. The SEM observations showed the typical morphology of rod-like $Al_2TiO_5$ vary in the range: widths from 0.6 to $1.2\;{\mu}m$, and lengths from 3.0 to $6.0\;{\mu}m$. The rod-like $Al_2TiO_5$ formation was attributed to the positive effects caused by the mechanical activation.

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Production of Coenzyme $Q_{10}$ by Recombinant E. coli Harboring the Decaprenyl Diphosphate Synthase Gene from Sinorhizobium meliloti

  • Seo Myung-Ji;Im Eun-Mi;Hur Jin-Haeng;Nam Jung-Yeon;Hyun Chang-Gu;Pyun Yu-Ryang;Kim Soon-Ok
    • Journal of Microbiology and Biotechnology
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    • v.16 no.6
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    • pp.933-938
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    • 2006
  • Decaprenyl diphosphate synthase (DPS) is the key enzyme for the production of coenzyme $Q_{10}$ ($CoQ_{10}$). A dps gene from Sinorhizobium meliioti KCCM 11232 (IFO 14782) was isolated by PCR and then cloned in Escherichia coli. DNA sequencing analysis revealed an open reading frame of 1,017 bp encoding a 338-amino-acid protein. The protein was identical at the 98% level to the putative octaprenyl diphosphate synthase (IspB) of S. meliloti 1021. The deduced amino acid sequence included the DDxxD domains conserved in the majority of the prenyl diphosphate synthases. Heterologous expression in E. coli BL21 (DE3) was carried out, and the $CoQ_{10}$ produced was then analyzed by HPLC. E. coli BL21 (DE3) harboring the dps gene from S. melioti produced CoQ$_{10}$ in addition to endogenous coenzyme Q$_8$ (CoQ$_8$), whereas wild-type E. coli BL21 (DE3) host did not have the ability of producing CoQ$_{10}$. The results suggest that the putative dps from S. meliloti KCTC 2353 encoded the DPS.

Hydrolysis of Isolate Soybean Protein Using Subcritical Water (아임계수를 이용한 분리대두단백질의 가수분해)

  • Hwang, Yun Hee;Cho, Hyung-Yong;Kim, Ko-Rae;Lee, Seok Hoon;Choi, Mi-Jung;Shin, Jung-Kue
    • Korean Journal of Food Science and Technology
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    • v.47 no.6
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    • pp.772-778
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    • 2015
  • Hydrolysis of isolate soybean protein (ISP) using subcritical water (SCW) was conducted to study the feasibility for producing protein hydrolyzate. SCW hydrolysis of SPI suspension (5-15%) was conducted in an electrically heated batch reactor (2 L). The effects of temperature (230 to $270^{\circ}C$) and holding time (10 to 50 min) on the degree of hydrolysis (DH) and the production of amino acids were studied by surface response method. The DH was determined by derivatizing the hydrolyzates with ortho-phthalaldehyde (OPA) solution. It was confirmed that reaction temperature and holding time affected the hydrothermolysis of soybean protein. However, the holding time was less effective on amino acid yield when the temperature was higher than $230^{\circ}C$. In order to achieve optimal yields of amino acids exceeding 43%, the temperature should be within the range between 256 and $268^{\circ}C$ with holding time from 29 to 41 min, respectively. A maximum estimated amino acid yield of 43.5% was obtained at $268^{\circ}C$ for 35 min.

CMOS Analog-Front End for CCD Image Sensors (CCD 영상센서를 위한 CMOS 아날로그 프론트 엔드)

  • Kim, Dae-Jeong;Nam, Jeong-Kwon
    • Journal of IKEEE
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    • v.13 no.1
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    • pp.41-48
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    • 2009
  • This paper describes an implementation of the analog front end (AFE) incorporated with the image signal processing (ISP) unit in the SoC, dominating the performance of the CCD image sensor system. New schemes are exploited in the high-frequency sampling to reduce the sampling uncertainty apparently as the frequency increases, in the structure for the wide-range variable gain amplifier (VGA) capable of $0{\sim}36\;dB$ exponential gain control to meet the needed bandwidth and accuracy by adopting a new parasitic insensitive capacitor array. Moreover, the double cancellation of the black-level noise was efficiently achieved both in the analog and the digital domain. The proposed topology fabricated in a $0.35-{\mu}m$ CMOS process was proved in a full CCD camera system of 10-bit accuracy, dissipating 80 mA at 15 MHz with a 3.3 V supply voltage.

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A Fibrinolytic Enzyme from Bacillus amyloliquefaciens D4-7 Isolated from Chungkook-Jang; It′s Characterization and Influence of Additives on Thermostability. (청국장으로부터 분리한 Bacillus amyloliquefaciens D4-7이 분비하는 혈전용해효소의 특성 및 열안정성에 미치는 첨가물의 효과)

  • 김상숙;이주훈;안용선;김정환;강대경
    • Microbiology and Biotechnology Letters
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    • v.31 no.3
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    • pp.271-276
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    • 2003
  • Bacillus amyloliquefaciens D4, which produces a strongly fibrinolytic enzyme, was isolated from Chungkook-Jang, a traditional Korean soybean-fermented food. B. amyloliquefaciens D4 was mutated with N-methyl-N-nitro-N-nitrosoguanidine (MNNG) to yield a series of mutants with increasing levels of fibrinolytic enzyme production. After mutation, a mutant D4-7 was obtained with fibrinolytic activity about eight times stronger than the parent strain. The fibrinolytic activity of B. amyloliquefaciens D4-7, reached a maximum, when the producer was cultivated in 2% Isolated Soy Protein (ISP) broth for 48 h at $37^{\circ}C$. Compared to commercial fibrinolytic enzymes, the cell-free culture supernatant of B. amyloliquefaciens D4-7 showed stronger activity than plasmin and streptokinase. The optimum temperature and pH were $50^{\circ}C$ and 10.0 and thermostability was increased by the addition of glycerol, glucose, and NaCl.

An Home-Delivery Service Management System Using OMA DM Agents (OMA DM 에이전트를 이용한 택배 서비스 관리 시스템)

  • Park, Kee-Hyun;Yoo, Sang-Jin
    • Journal of Korea Society of Industrial Information Systems
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    • v.13 no.2
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    • pp.8-17
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    • 2008
  • Since different methods or protocols have been used to manage various mobile terminals, it has been difficult to manage mobile terminals efficiently. OMA(Open Mobile Alliance), therefore, proposed OMA DM(Device Management) as a standard for device management. In this paper, in an effort to apply the OMA DM concept ta real application area a home-delivery service management system using OMA DM agents is designed and implemented. The home-delivery service management system is developed using SyncML Tool Kit 4.3, SK WIPI SDK and Embedded Visual-C++ under the environment of SK-WIPI Clet. Since the home-delivery service management system is developed using OMA DD which is expected to be installed in most of the mobile terminals, separate lower level program modules for the management system would not be necessary. In order to justify this world some experiments are performed using SK WIPI emulator 1.1., which provides the same execution environments as a real mobile terminals does. Experiments show that the home-delivery service management system developed in this paper, works properly.

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