• Title/Summary/Keyword: UMi

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Isozyme Analysis and Relationships Among Three Species in Malaysian Trichoderma Isolates

  • Siddiquee, Shafiquzzaman;Tan, Soon-Guan;Yusof, Umi-Kalsom
    • Journal of Microbiology and Biotechnology
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    • v.20 no.9
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    • pp.1266-1275
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    • 2010
  • Isozyme and protein electrophoresis data from mycelial extracts of 27 isolates of Trichoderma harzianum, 10 isolates of T. aureoviride, and 10 isolates of T. longibrachiatum from Southern Peninsular Malaysia were investigated. The eight enzyme and a single protein pattern systems were analyzed. Three isozyme and total protein patterns were shown to be useful for the detection of three Trichoderma species. The isozyme and protein data were analyzed using the Nei and Li Dice similarity coefficient for pairwise comparison between individual isolates, species isolate group, and for generating a distance matrix. The UPGMA cluster analysis showed a higher degree of relationship between T. harzianum and T. aureoviride than to T. longibrachiatum. These results suggested that the T. harzianum isolates had high levels of genetic variation compared with the other isolates of Trichoderma species.

Antioxidative and Radical Scavenging Properties of the Constituents Isolated from Cosmos caudatus Kunth

  • Abas, Faridah;Shaari, Khozirah;Lajis, N.H.;Israf, D.A.;Kalsom, Y. Umi
    • Natural Product Sciences
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    • v.9 no.4
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    • pp.245-248
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    • 2003
  • A phytochemical investigation on the methanolic extract of Cosmos caudatus has led to the isolation of quercetin $3-O-{\beta}-D-arabinofuranoside$ (1), quercetin $3-O-{\beta}-D-rhamnoside$ (2), quercetin $3-O-{\alpha]-D-glucoside$ (3) and quercetin (4). These compounds were shown to be the antioxidative constituents of the plant when evaluated using the ferric thiocyanate (FTC) and thiobarbituric acid (TBA), and radical scavengers based on the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging assays.

concentration of cyclic AMP and activity of cyclic AMP-dependent Protein Kinase in Chestnut Weevil, Curculio dentipes (밤바구미(Curculiodentipes) 유충의 cyclic AMP 농도와 CAMP-dependent protein kinase 활성도 변화)

  • 류진수;김유경이경로
    • The Korean Journal of Zoology
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    • v.37 no.2
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    • pp.222-231
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    • 1994
  • 밤바구미 유충기의 whole body로부터 cyclic AMP(CAMP)를 추출하여 농도 변화를 측정하였고 cyclic AMP-dependent protein kinase(PKA)를 부분 정제하여 활성도 변화를 조사하여 CAMP 농도와 PKA 활성도와의 소장관계를 비교하였다 CAMP 농도와 PKA 활성도는 HPLC와 liquid scintillation counter를 이용하여 측정하였다 CAMP 농도는 밤바구미 유충에서 월동전에 0.57 UMlg로 가장 높았고, 월동중에 0. 14 UMIS로 감소하였다가 월동후에 0.29 UMlg로 증가하였다 또한 PKA 활성도는 월동전에 2.56unit/mg로 가장 높았으며, 월동중에 0.62 unit/mg로 감소하다가 월동후에 07 unit/mg로 다시 증가하여 CAMP 농도 변화와 유사한 경향을 나타내었다. 이는 월동전에 휴면에 대비하여 최대의 취식으로 지방체 축적이 가장 많았고, 월동중에는 지방체의 소비가 증대되.기 때문에 감소하였다가, 월동후 휴면 종결과 유충-번데기 탈피를 준비하기 위해 'CAMP 농도와 PKA 활성도는 다시 증가하였다.

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An overview and analysis of commercial document delivery systems (국내외 상업적 문헌제공시스템의 현황파악과 비교분석)

  • 윤희윤
    • Journal of the Korean Society for information Management
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    • v.15 no.2
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    • pp.7-28
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    • 1998
  • The purpose of this study is to overview and analyze the commercial document delivery systems. to this end, the study first compared the current systems under three headings, that is, non-collection-based systems(Infotrieve, OCLC, UnCover, BIDS, Swets & Zeitlinger, Kyobobook), collection-based systems(EBSCO, ISI, UMI, BLDSC, CISTI, INIST, NCSI, JICST, KINITI), and specialized collection-based systems(Engineering Information Inc., IEEE/IEE, BIOSIS, CAS, NAL, RSC, TWI, ADONIS). Next, the study analyzeed the advantages and disadvantages of each system, based on the four performance criteria : scope of inventory/journal coverage, turnaround time, delivery ost and payment options, reliability and satisfaction rate.

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Classification of navigation model ing for Web Application with Extended UMI (확장형 UML을 이용한 웹 애플리케이션 모델링을 위한 항해의 분류)

  • 박영주;이기열;이병정;김희천;우치수
    • Proceedings of the Korean Information Science Society Conference
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    • 2004.04b
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    • pp.397-399
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    • 2004
  • 웹 애플리케이션의 영역이 확장되고, 기능 역시 단순한 정보의 제공에 머무르지 않고 다양한 형태의 다이나믹한 애플리케이션을 통한 사용자와의 상호작용을 통한 새로운 기능들이 추가되고 있다. 정정 커지고 복잡해지는 렐 애플리케이션에 있어서 사용자가 자신의 목적을 위해 효과적으로 움직일 수 있는 경로인 항해 구조에 대한 관심이 커지고 있다. 그러나 이제까지의 연구들은 웹 애플리케이션의 전체적인 틀에서의 항해 모델에 대한 연구들 일 분 각 항해단계의 성격에 대한 정의와 분류는 미흡한 실정이다. 따라서 본 논문에서는 각각의 항해 단계들을 정의. 분류하고, 각 항해들의 표기법을 제시한다 이러한 항해 단계의 분류를 웹 애플리케이션의 성격에 따라 적절히 이용하여 다양한 형태의 효과적인 항해 모델을 생성, 표현할 수 있다. 마지막으로 본 논문에서의 분류를 바탕으로 간단한 모델링의 예를 보인다.

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Detectability evaluation of the loose parts in steam generator by eddy current testing techniques

  • Kim, Kyungcho;Min, Kyongmahn;Kim, Changkuen;Kim, Jin-Gyum;Jhung, Myungjo
    • Nuclear Engineering and Technology
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    • v.50 no.7
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    • pp.1160-1167
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    • 2018
  • Detectability of the loose parts (LPs) in steam generator (SG) was studied with eddy current testing technique such as X-probe, bobbin and rotating coils ($MRPC^{(R)}$) as a function of LP size and spacing between LP and tube or between LP and support structures. SG mockup simulating SG tube and support structures with LP was fabricated. The X-probe showed slightly better detectability than $MRPC^{(R)}$ for LP of ferrous (F-LP) material and vice versa for LP of nonferrous (NF-LP) material. In terms of feasibility, inspection rate and other predictable features of the SG tubing inspections, X-probe can be used reliably for monitoring the LPs and the flaws formed by LPs on SG tubes.

Marketing Practices and Value-Added Fish Product in East Indonesia

  • HIDAYAT, Sopian;PABUAYON, Isabelita M.;MUAWANAH, Umi
    • Asian Journal of Business Environment
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    • v.10 no.2
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    • pp.33-41
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    • 2020
  • Purpose: This study assesses the marketing practices and value-added fish products under the Coral Reef Rehabilitation and Management Program (COREMAP) in East Indonesia. Research design, data and methodology: This study gathered qualitative and quantitative data through i) focus group discussions (FGD) with fishers, traders and COREMAP officers, ii) surveys and iii) interviews with fishermen and traders. This study surveyed 714 households (365 in COREMAP and 349 in non-COREMAP) and 33 traders (17 in COREMAP and 16 in non-COREMAP) using structured questionnaires between January and March 2016. This study used Shepherd's Index to estimate the marketing efficiency for each stage of the marketing channel. For value-added fish products, the value is determined by the difference between processed output and the raw product used. Results: Marketing cost in the non-COREMAP area was more efficient than in COREMAP as indicated by lower operational cost and higher selling price. However, no value-added fish products were produced in the non-COREMAP area. This study noted a lower catch in COREMAP area, which implies COREMAP program successfully reduced fishing pressure. Conclusions: This study identified poor infrastructure and the limited market as the major problems in developing value-added fish products in both COREMAP and non-COREMAP area.

Compilation of liquefaction and pyrolysis method used for bio-oil production from various biomass: A review

  • Ahmad, Syahirah Faraheen Kabir;Ali, Umi Fazara Md;Isa, Khairuddin Md
    • Environmental Engineering Research
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    • v.25 no.1
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    • pp.18-28
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    • 2020
  • In this paper the authors provide comparative evaluation of current research that used liquefaction and pyrolysis method for bio-oil production from various types of biomass. This paper review the resources of biomass, composition of biomass, properties of bio-oil from various biomass and also the utilizations of bio-oil in industry. The primary objective of this review article is to gather all recent data about production of bio-oil by using liquefaction and pyrolysis method and their yield and properties from different types of biomass from previous research. Shortage of fossil fuels as well as environmental concern has encouraged governments to focus on renewable energy resources. Biomass is regarded as an alternative to replace fossil fuels. There are several thermo-chemical conversion processes used to transform biomass into useful products, however in this review article the focus has been made on liquefaction and pyrolysis method because the liquid obtained which is known as bio-oil is the main interest in this review article. Bio-oil contains hundreds of chemical compound mainly phenol groups which make it suitable to be used as a replacement for fossil fuels.

Marketing Performance and Big Data Use During the COVID-19 Pandemic: A Case Study of SMEs in Indonesia

  • WIBOWO, Sampurno;SURYANA, Yuyus;SARI, Diana;KALTUM, Umi
    • The Journal of Asian Finance, Economics and Business
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    • v.8 no.7
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    • pp.571-578
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    • 2021
  • The outbreak of the COVID-19 pandemic, which began in 2020, had a significant impact on the economy and business activities worldwide. Large companies, as well as small businesses were affected, many of them had to scale down or divert their businesses, and some even had to stop. This extraordinary situation requires business people to make innovations and adjustments to survive during a pandemic. Entering the digital era, business players are helped by the ease of internet access, which will make it easier for SME players to get data from their consumers. Business actors can use this data to innovate and create new creations to improve business performance during this pandemic. This research aims to identify how small and medium enterprises can take advantage of Big Data to improve marketing performance through innovation and value creation. The research methodology used the in this research is quantitative method. The respondents are SME producers of food and beverage, with a total of 150 respondents. The results in the study indicate that all the proposed hypotheses are accepted. The most significant influence is found on the relationship of Big Data to value creation. The lowest effect was obtained from the relationship between Big Data and marketing performance through the mediation variable and innovation capability.

The Impact of Corporate Social Responsibility on Firm Value: The Role of Tax Aggressiveness in Indonesia

  • FUADAH, Luk Luk;KALSUM, Umi
    • The Journal of Asian Finance, Economics and Business
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    • v.8 no.3
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    • pp.209-216
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    • 2021
  • This study aim is to examine 1) the impact of corporate social responsibility disclosure and tax aggressiveness on firm value, 2) the impact of tax aggressiveness on firm value, and 3) the impact of corporate social responsibility on firm value. The sample of this study is 29 manufacturing companies listed on the Indonesia Stock Exchange. The period of research spans three years, from 2017 to 2019. The data is gathered from the annual report of the companies or website of companies and also the website from Indonesia Stock Exchange (IDX). This study uses Structural Equation Model with Partial Least Square. The research findings show that corporate social responsibility and tax aggressiveness have a negative and significant impact on firm value. The tax aggressiveness and firm value have a negative and significant impact. Corporate social responsibility has a positive and significant impact on firm value. This study uses the manufacturing sector, so that the findings of this study cannot be generalized to other sectors. Future research should explore other sectors such as mining, banking, etc. This study uses Effective Tax Rate (ETR) to measure tax aggressiveness. Further research should use another measurement, for instance, Current Effective Tax Rate (CETR).