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  • 1
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We attempted to ascertain the neuroprotective effects and mechanisms of minocycline in inflammatory-mediated neurotoxicity using primary neuron/glia co-cultures treated with lipopolysaccharide (LPS). Neuronal cell death was induced by treatment with LPS for 48 h, and the cell damage was assessed using lactate dehydrogenase (LDH) assays and by counting microtubule-associated protein-2 (MAP-2) positive cells. Through terminal transferase deoxyuridine triphosphate-biotin nick end labeling (TUNEL)-staining and by measuring caspase-3 activity, we found that LPS-induced neuronal cell death was mediated by apoptosis. We determined that pre-treatment with minocycline significantly inhibited LPS-induced neuronal cell death. In addition, LPS induced inducible nitric oxide synthase (iNOS) expression significantly, resulting in nitric oxide (NO) production within glial cells, but not in neurons. Both nitric oxide synthase (NOS) inhibitors (NG-monomethyl-l-arginine monoacetate (l-NMMA) and S-methylisothiourea sulfate (SMT)) and minocycline inhibited iNOS expression and NO release, and increased neuronal survival in neuron/glia co-cultures. Pre-treatment with minocycline significantly inhibited the rapid and extensive production of tumor necrosis factor-alpha (TNF-α) mediated by LPS in glial cells. We also determined that the signaling cascade of LPS-mediated iNOS induction and NO production was mediated by TNF-α by using neutralizing antibodies to TNF-α. Consequently, our results show that the neuroprotective effect of minocycline is associated with inhibition of iNOS induction and NO production in glial cells, which is mediated by the LPS-induced production of TNF-α.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 23 (1992), S. 0 
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Lee, Shim, and Lee [12] suggested the superiority of the signal flow graph (SFG) method over the modified simplex method in enhancing students' learning of goal programming (GP). The present study empirically investigated this claim by analyzing the effect of the SFG method of GP on students' learning. In the process, this study also developed an effective tool for measuring GP knowledge. The findings showed that students who learned the SFG method understood GP better and more easily than those who learned the concept through the modified simplex method. The students who learned the SFG method of GP were also less dependent on rules or formulas than the students who learned the modified simplex method.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 2 (1971), S. 0 
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: In recent years, decision making based on systematic analysis has been greatly emphasized. Yet, decision analysis is often carried out without analyzing the limitations of certain quantitative techniques. This paper presents the concept, solution method, and application potential of goal programming which eliminates many limitations of conventional linear optimization models.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 9 (1978), S. 0 
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper is concerned with the estimation of the resource requirements to service multiple projects that use many types of resources. It reports on a systematic procedure to determine the low cost levels of these resources, focusing on the two following characteristics: (1) the comparative cost of standard time to overtime in the utilization of these resources for the economical completion of the projects, and (2) the impact of highly expensive equipment in the determination of the economic levels of the manpower resources that combine with the equipment to form a crew. A numerical example is also presented to illustrate the method.Resource planning is of particular interest in the area of multiproject scheduling, since most of the commonly utilized heuristic solution approaches focus on the allocation of a limited set of available resources. In the corporate strategic planning functions, resource planning is particularly important for capital investment, training and development, and procurement scheduling.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 6 (1975), S. 0 
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 5 (1974), S. 0 
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: The crucial issues in the administration of higher education embody the very purpose, function, and concept of each institution. The institution's administrative policies are based on the combined philosophy of many conflicting interest groups such as taxpayers, donors, administrators, faculty, students, staff, and users of university services. A function performed by the university which is receiving increasing attention and outside pressure is the formulation of admissions policy for newly entering students. This paper investigates problems involved in the admissions planning and presents a goal programming model as an optimization tool for the problem.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    Management decision 35 (1997), S. 409-416 
    ISSN: 0025-1747
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Total quality management (TQM) and business process re-engineering (BPR) are two management approaches designed to improve organizational performance and quality. Because of the pace, time required, and initiatives for change, TQM and BPR are regarded as two completely different improvement programmes. They also share common features, which create the basis for a possible integration of TQM and BPR under the endless quality improvement concept. Organizations that can effectively combine TQM and BPR would be very successful in gaining a sustainable competitive advantage. In the context of the system approach, introduces a BPR life cycle model. Answers two main questions: when should a re-engineering programme be undertaken?; and how long should the period of gradual improvement last before a new re-engineering programme is implemented? Provides an implementation example of this model through a real organization.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    Management decision 34 (1996), S. 46-52 
    ISSN: 0025-1747
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Today, business organizations compete in the global marketplace. To compete successfully, organizations pursue the status of the world-class organization (WCO). A WCO is defined as the best in its class, or as good as its best global competitor, in providing most value to the customer. The strategic pillars that enable an organization to become a WCO must be supported by effective information systems. Conventional information systems development approaches are not necessarily relevant for WCOs. Presents new approaches to developing the information for world-class organizations.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    Management decision 40 (2002), S. 158-167 
    ISSN: 0025-1747
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: It is curious to find out how chief executive officers (CEOs) think of the Internet and e-business. Through an analysis of the homepages of CEOs of the Fortune e-50 companies, we attempted to evaluate the information value of the Websites. The analysis indicates that only a handful of CEOs can be currently regarded as the owners of informative homepages while most CEOs do not appear to be serious in building and maintaining their homepages.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    Logistics information management 9 (1996), S. 19-26 
    ISSN: 0957-6053
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: To compete successfully, organizations pursue the status of the world-class organizations (WCO). A WCO is defined as the best in its class, or as good as its best global competitor, in providing most value to the customer. WCOs must be supported by effective information systems. Presents new approaches to developing the information architecture for world-class organizations.
    Type of Medium: Electronic Resource
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