Boron carbide bricks for slow neutron shields and sinks /

Work performed at Pupin Physics Laboratories, Columbia University."November 24, 1950."Includes bibliographical references (page 5)Work performed under contractMode of access: Internet

CNTFET-based RF electronics - State-of-the-art and future prospects

Carbon nanotube (CNT) field effect transistors (FETs) are expected to have several advantages over silicon-based FETs. While most of the literature deals with digital applications, this paper gives an overview on the present status of CNTFET technology for radio-frequency analog applications, including the respective requirements. Results for transistors and circuits achieved so far as well as possible fabrication approaches for performance improvement are discussed

Examining, discussing and suggesting the possible contribution and role of Buddhist economics for corporate social responsibility

Key principles of Buddhist economics are discussed in relation to the private sector's role in contributing to sustainable development. It is suggested that many aspects of a Buddhist approach are consistent with recent developments in the field of corporate social responsibility. But a more radical approach to that concept is required if we are to attain anything close to sustainable development. That approach is well informed by notions of Buddhist economics. Copyright © 2007 Inderscience Enterprises Ltd.link_to_subscribed_fulltex

Proteome of human T lymphocytes with treatment of cyclosporine and polysaccharopeptide: Analysis of significant proteins that manipulate T cells proliferation and immunosuppression

The aberrant activation of T lymphocyte proliferation is one of the key events in organ transplant recipients and autoimmune disorders. The present study adopted a gel-based proteomics approach to define the proteins representative of the T cell proliferation and to discover the molecules that play critical roles during the suppression of T cell proliferation. Human T lymphocytes were isolated from healthy donors and primed with phytohemagglutinin (PHA) to undergo proliferation. Two medical fungal products with specific T cell activation inhibitory properties, cyclosporine A (CsA) and polysaccharopeptide (PSP), were used to study the proteins that manipulate T cell proliferation. After demonstrating their similar effects on cell proliferation, cell survival and interleuklin-2 (IL-2) secretion, significant quantitative protein alterations were detected between the CsA- and PSP-treated T cell proteome. These altered proteins were identified by MALDI-TOF and classified into 3 categories: (i) proteins affected by both CsA and PSP, (ii) proteins affected by CsA alone, and (iii) proteins affected by PSP alone. Most of these altered proteins have functional significance in protein degradation, the antioxidant pathway, energy metabolism and immune cell regulation. © 2007 Elsevier B.V. All rights reserved.link_to_subscribed_fulltex