نتایج جستجو برای: freestanding nano
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هدف از این گزارش بررسی اثر(نانولوله های کربنی(cnt)،sio2،خاک رس(nano clay)) بر خواص فیزیکوشیمیایی، مکانیکی، نمودار جذب تعادلی، عبوردهی نسبت به بخار آب و اکسیژن روی فیلمهای ژلاتینی می باشد.در این کار تحقیقاتی فیلم های ژلاتینی به همراه (نانولوله های کربنی(cnt)،sio2،خاک رس(nano clay)) در غلظت های 0 و1 و 3 و 5 % با استفاده از روش کاستینگ (solvent casting) انجام شد. کلیه خواص فیزیکوشیمیایی، مکانیکی و...
Excess use of chemical pesticides in agriculture assisting the accomplishment of agri-food production targets. But, indiscriminate use of chemical pesticide is the serious concern for environment and human, which deteriorating the soil health, nutritional quality of food and increasing resistance in phyto-pathogens and pests. Nanotechnology provided the sustainable solution in this regard by de...
This paper represents the first installment of a larger project devoted to the relevance of pragmatism for bioethics. One self-consciously pragmatist move would be to return to the classical pragmatist canon of Peirce, James and Dewey in search of substantive doctrines or methodological approaches that might be applied to current bioethical controversies. Another pragmatist (or neopragmatist) m...
Freestanding graphene membranes are unique materials. The combination of atomically thin dimensions, remarkable mechanical robustness, and chemical stability make porous and non-porous graphene membranes attractive for water purification and various sensing applications. Nanopores in graphene and other 2D materials have been identified as promising devices for next-generation DNA sequencing bas...
The Landau-Fermi liquid picture for quasiparticles assumes that charge carriers are dressed by many-body interactions, forming one of the fundamental theories of solids. Whether this picture still holds for a semimetal such as graphene at the neutrality point, i.e., when the chemical potential coincides with the Dirac point energy, is one of the long-standing puzzles in this field. Here we pres...
Artificial nanomembranes may be defined as synthetic freestanding structures with a thickness below 100 nm and a very large aspect ratio, of at least a few orders of magnitude. Being quasi-2D, they exhibit a host of unusual properties useful for various applications in energy harvesting, sensing, optics, plasmonics, biomedicine, etc. We review the main approaches to nanomembrane functionalizati...
Tailoring materials to obtain unique, or significantly enhanced material properties through rationally designed structures rather than chemical constituents is principle of metamaterial concept, which leads to the realization of remarkable optical and mechanical properties. Inspired by the recent progress in electromagnetic and mechanical metamaterials, here we introduce the concept of ferroele...
As socie ty becomes more comfortable discussing genetics and its related ethics, a new technology is blossoming in the background. Nanotechnology may speak the same societal language as does genetics, in that both technological movements involve tiny science and large imagination. In a way, it is natural—and almost inevitable—that the genetic revolution and the nanotechnology revolution be comp...
In this work, we present new results about the non-enzymatic detection of lindane by using CuO-MnO2 hierarchical nano-microstructures. The linear range for the determination of lindane is up to 700 μM with a limit of detection of 4.8 nM, which is much lower than for other non-enzymatic lindane sensors.
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