Graphane Yields New Potential

Graphane Yields New Potential
Rice physicists dig theoretical wells to mine quantum dotsGraphane is the material of choice for physicists on the cutting edge of materials science, and Rice University researchers are right there with the pack – and perhaps a little ahead.Researchers mentored by Boris Yakobson, a Rice professor of mechanical engineering and materials science and of chemistry, have discovered the strategic …

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Military Nanotechnology: Potential Applications and Preventive Arms Control

Product Description
This book is the first systematic and comprehensive presentation of the potential military applications of nanotechnology (NT). After a thorough introduction and overview of nanotechnology and its history, it presents the actual military NT R&D in the USA and gives a systematic description of the potential military applications of NT that may include in 10-20 years extremely small computers, miniature sensors, lighter and stronger materials in vehicles and weapons, autonomous systems of many sizes and implants in soldiers’ bodies. These potential applications are assessed from a viewpoint of international security, considering the new criteria of dangers for arms control and the international law of warfare, dangers for stability through potential new arms races and proliferation, and dangers for humans and society.

Although some applications (e.g. sensors for biological-warfare agents) could contribute to better protection against terrorist attacks or to better verification of compliance with arms-control treaties, several potential uses, like metal-free firearms, small missiles or implants and other body manipulation raise strong concerns. For preventive limitation of these potentially dangerous applications of NT, specific approaches are proposed that balance positive civilian uses and take into account verification of compliance.

This book will be of much interest to students of strategic studies, peace studies, conflict resolution and international security, as well as specialists in the fields of military technology and chemical-biological weapons.

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Medicinal Chemistry and Pharmacological Potential of Fullerenes and Carbon Nanotubes

Product Description

Fullerenes and nanotubes are two classes of carbon structures or allotropes, which were discovered about 17 years ago. Since that time, many chemical derivatives have been synthesized using fullerenes and nanotubes as building blocks.

Particularly promising was the theory that the chemical properties of fullerenes, and certain derivatives, made them likely candidates for anticancer drugs, inhibitors of viruses such as HIV, or even as anti-bacterials. Their cyctotoxicity can also be controlled by specific circumstances.

In addition, the funtionalization of nanotubes has not only produced relatively simple derivatives, but also complex hybrids with biological macromolecules, which show unique supramolecular architecture and which are promising in many medical applications.

The application of fullerenes and nanotubes in medicine is at the frontier of our knowledge, thus the work in this field represents the basis for future novel developments.

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Mechanics of Boron Nitride Nanotubes: A Continuum Theory Based on the Interatomic Potential

Product Description
Boron nitride nanotubes display unique properties and have many potential applications. An atomistic-based continuum theory is developed for boron nitride nanotubes. The continuum constitutive model for boron nitride nanotubes is obtained directly from the interatomic potential for boron and nitrogen. Such an approach involves no additional fitting parameters beyond those introduced in the interatomic potential. The atomistic-based continuum theory is then applied to study the elastic modulus, stress-strain curve and nonlinear bifurcation in boron nitride nanotubes. An analytic approach is then established to determine the tensile and bending rigidity of a hexagonal boron nitride (h-BN) monolayer and single- and multi-wall boron nitride nanotubes directly from the interatomic potential. Such an approach enables one to bypass atomistic simulations and to give the tensile and bending rigidity in terms of the parameters in the potential. The thickness of h-BN monolayer is also discussed.A hybrid atomistic/continuum model based on the interatomic potential for boron nitride is also developed to study the Stone-Wales transformation in boron nitride nanotubes under tension.

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The Potential of Nanotechnology for Molecular Manufacturing

• ISBN13: 9780833022875
• Condition: USED – VERY GOOD
• Notes:

Product Description
Nanotechnologies are tools that measure and manipulate phenomena and objects at the nanoscale. Molecular manufacturing is the willful use of these two activities to create new objects or phenomena. The question of whether it is possible to achieve a stage in the foreseeable future when molecular manufacturing using nanotechnologies might be viable, and if so how to develop the field, is a point of contention in both scientific and policy circles.

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