Cell means approach

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  • Next, I would like to focus on the position of Vice-President, currently held by Dr. Karl Podratz. If we may read the “Bylaws” of IGCS, we find the following: “The Vice-President, in the absence of the President, shall preside at all meetings of the Society and Council and shall have all the powers of President in the event of vacancy in the office of President. S/he shall assist the President in the performance of his/her duties as requested by the President.” This means that the Vice-President is the core of the cabinet.

    pdf10p connicquy 20-12-2012 24 5   Download

  • Forty years ago there was hardly a field called ‘behavioral sciences’. In fact, psychology largely was the behavioral sciences, with some help from group theory in sociology and decision- making in economics. Now, of course, psychology has expanded and developed in a myriad of ways, to the point where ‘behavioral sciences’ is often the more useful term. Physiological psychology has become neuroscience, covering areas not previously part of psychology. Decision-making has become decision science, involving people from economics, marketing, and other disciplines.

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  • When a root tip encounters an obstacle that resists penetration, the root cap becomes less pointed and the surface cells may slough off (Souty, 1987). Mechanical impedance decreases the rate of root elongation because of both a decrease in the rate of cell division in the meristem, and a decrease in cell length (rather than volume). Eavis (1967) found a decrease of 40% in the cell division rate at a root penetration resistance (0.34 MPa) sufficient to decrease the root elongation rate by 70%. Cell length is decreased and the volume of the inner cortical cells may...

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  • Understanding of the transport and attenuation of chemicals in the subsurface is fundamental to effective management of risks posed by chemicals and their possible impact on groundwater resources. A risk assessment approach to groundwater protection incorporates the three-stage combination of source, pathway and receptor. All three must be considered and understood to arrive at a balanced view of the risks to health of groundwater users. Informed consideration of the pathway, which in the context of this monograph means transport through the groundwater system, is vital.

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  • Enzyme catalysis in low water containing organic solvents is finding an increasing number of applications in diverse areas.This review focuses on some aspects which have not been reviewed elsewhere.Different strategies for obtaining higher activity and stability in such media are described.In this context, the damaging role of lyophilization and the means of overcoming such effects are discussed.Ultrasoni-cation and microwave assistance are two emerging approa-ches for enhancing reaction rates in low water media.

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  • Twenty-five years ago, Georges Köhler and César Milstein invented a means of cloning individual antibodies, thus opening up the way for tremendous advances in the fields of cell biology and clinical diagnostics (1). However, in spite of their early promise, monoclonal antibodies (MAbs) were largely unsuccessful as therapeutic reagents resulting from insufficient activation of human effector functions and immune reactions against proteins of murine origin.

    pdf456p tom_123 15-11-2012 37 6   Download

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