Category: Nanotechnology

  • Chromosome Nanoscience and Technology by Kiichi Fukui, Tatsuo Ushiki

    By Kiichi Fukui, Tatsuo Ushiki

    Regardless of development in genetic examine, wisdom concerning the designated constitution of the chromosome keeps to supply a problem. a lot of that problem lies with the necessity for greater instruments and strategies that researchers require to accomplish novel analyses past the DNA point. thankfully, speedy advances in nanotechnology, are actually being hired to ascertain, learn, and manage organic fabric on the chromosome point.

    Chromosome Nanoscience and know-how studies those advances and their contribution to tendencies and functions in chromosome examine. as well as supplying a consultant to present development, this ebook serves because the culminating file on a eastern nanobiology undertaking within the box of chromosome technological know-how started in 2000.

    The undertaking introduced jointly researchers from disparate backgrounds that incorporated molecular biology, biochemistry, protein technological know-how, immunology, genetics, anatomy, semiconductor creation, polymer chemistry, fabric technology, microscopy, and informatics, between others. chromosomes as nanomaterials, their contributions conceal:

  • Devices for chromosome dealing with, along with the development and program of nano and micro units used for dissecting, studying, and manipulating chromosomes
  • Visualization of chromosomes at nano and micro degrees , which discusses tools for revealing nano-level folding of chromatin fibers
  • Chromosomes as nanomaterials , which provides a brand new chromosome protein framework according to the cataloging of over two hundred chromosomal proteins
  • Informatics of chromosome photos , which examines a brand new chromosome photograph database method for animals and plants
  • This undertaking, initiated many years in the past, now lays the foundation for these scientists seeking to practice extra learn in chromosome technological know-how. It presents them with beginning issues, in addition to worthy purposes and method to aid within the lengthy quest to realize a deepened figuring out of lifestyles itself.

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  • Nanostructured materials. Selected Synthesis Methods, by Philippe Knauth, Joop Schoonman

    By Philippe Knauth, Joop Schoonman

    Nanostructured fabrics: chosen Synthesis equipment, houses and functions provides a number of very important fresh advances in synthesis tools for nanostructured fabrics and processing of nano-objects into macroscopic samples, akin to nanocrystalline ceramics. This booklet won't hide the full spectrum of attainable synthesis recommendations, which might be unlimited, however it provides in particular fascinating highlights within the domain names of study of the editors. Subjects which are lined comprise the following: *"chimie douce" techniques for instruction of a big number of nanostructured fabrics, together with metals, alloys, semiconductors and oxides; *hydrothermal synthesis with water as solvent and response medium will be in particular tailored to nanostructured materials; *"electrospraying" as a robust new direction for the practise of nanoparticles, particularly of oxides for electroceramics; *nanoparticles processed into nanostructured ceramics, through the use of dynamic compaction techniques; *applications of nanostructured materials. This publication enhances the former quantity during this sequence (P. Knauth, J. Schoonman, eds., Nanocrystalline Metals and Oxides: chosen homes and purposes, Kluwer, Boston, 2002).
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  • Metal-Polymer Nanocomposites by Luigi Nicolais, Gianfranco Carotenuto

    By Luigi Nicolais, Gianfranco Carotenuto

    Nicolais and Carotenuto, either affiliated with the Institute of Composite and Biomedical fabrics of Italy's nationwide study Council, current fresh paintings at the houses, instruction, and functions of metal-polymer nanocomposites. insurance progresses from the chemical and actual homes of nano-sized metals via diversified techniques to the synthesis of metal-polymer nanocomposites, characterization innovations, and purposes in colour filters, polarizers, optical sensors, and nonlinear optical units. fabric is written from a multidisciplinary standpoint and should be of curiosity to scholars and practitioners in actual, chemical, and fabrics technology in addition to components equivalent to engineering and topology
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  • Nanoscale devices: fabrication, functionalization, and by Gianfranco Cerofolini

    By Gianfranco Cerofolini

    The evolution of the microelectronics is managed through the assumption of scaling. notwithstanding, the scaling of the gadget measurement under 10 nm is predicted to be most unlikely due to actual, technological and financial purposes. primary issues (based on Heisenberg's precept, Schrödinger equation, decoherence of quantum states, and Landauer restrict) recommend size scale of some nanometers is feasible. in this size scale, reconfigurable molecules (via redox or inner excitation strategies) appear to be appropriate for that. furthermore, crossbar with cross-point density within the variety 1010--1011 cm-² can already be ready with current tools, and such equipment allow the hyperlink of nanoscopic cross-points to lithographically available contacts. The constructions for molecular electronics take care of molecules. even if this topic is very interdisciplinary (covering quantum and statistical mechanics, supramolecular chemistry, chemistry of surfaces, and silicon know-how and devices), the booklet is meant to be self-contained supplying in appendices the mandatory aspect knowledge.

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  • Nanotechnologies, hazards, and resource efficiency: a by Michael Steinfeldt, Arnim Gleich, Ulrich Petschow, Rüdiger

    By Michael Steinfeldt, Arnim Gleich, Ulrich Petschow, Rüdiger Haum

    This booklet demonstrates that the appliance of nanotechnology in can lead to elevated eco-efficiency and different environmental earnings. It additionally exhibits what should be performed from the part of scientists, engineers and technological know-how coverage makers to lead destiny improvement in nanotechnology in the direction of sustainability. The underlying process has been a three-tier procedure of potential expertise assessment.The confident results of nanotechnology are illustrated with 4 case reports. One extra case examine offers with attainable dangers and unwanted effects of nanotechnology. within the final part, the position of guiding ideas in destiny nanotechnology study and improvement is mentioned.
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  • Nanocrystalline apatite-based biomaterials by D. Eichert, C. Drouet, H. Sfihia, C. Rey, C. Combes

    By D. Eichert, C. Drouet, H. Sfihia, C. Rey, C. Combes

    The advance of the organic task and function of bone replacement fabrics is without doubt one of the major issues of orthopaedic and dental surgical procedure experts. Biomimetic nanocrystalline apatites convey better and tunable reactivity in addition to unique floor houses regarding their composition and mode of formation. artificial nanocrystalline apatites analogous to bone mineral could be simply ready in aqueous media and certainly one of their finest features is the life of a hydrated floor layer containing labile ionic species. Ion alternate and macromolecule adsorption techniques can simply and speedily happen as a result of robust interactions with the encompassing fluids. The ion mobility within the hydrated layer permits direct crystal-crystal or crystal-substrate bonding.The positive characterisation of those very reactive nanocrystals is key and will be finished with diversified instruments together with chemical research and spectroscopic recommendations corresponding to FTIR, Raman and reliable country NMR. The reactivity of the hydrated layer of apatite nanocrystals deals fabric scientists and scientific engineers broad probabilities for the layout of biomaterials with enhanced bioactivity utilizing unconventional processing. certainly apatitic biomaterials will be processed at low temperature which preserves their floor reactivity and organic houses. they could even be linked in numerous methods with energetic molecules and/or ions. numerous examples of use and processing of nanocrystalline apatites considering the education of tissue-engineered biomaterials, cements, ceramics, composites and coatings on steel prostheses are awarded.
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