نتایج جستجو برای: carbon nanotubes cardiorespiratory toxicity
تعداد نتایج: 408100 فیلتر نتایج به سال:
Over the last decade, engineered nanomaterials (NMs) brought a revolutionary development in many sectors of human life including electronics, paints, textiles, food, agriculture, and health care. However, the exponential growth in the number of NMs applications resulted in uncertainties regarding their environmental impacts. Currently, the common approach for assessing the toxicity of NMs such ...
Soluble carbon nanotubes (CNTs) have shown promise as materials for adsorption of environmental contaminants such as Bisphenol A (BPA), due to the high adsorption capacity and strong desorption hysteresis of BPA on CNTs. The adsorption of BPA to CNTs may change the properties of both BPA and CNTs, and induce different toxicity to human and living systems from that of BPA and CNTs alone. Herein,...
In this paper, we investigate effects of vacancy defects on fracture of carbon nanotubes and carbon nanotube/ aluminum composites. Our studies show that even a one-atom vacancy defect can dramatically reduce the failure stresses and strains of carbon nanotubes. Consequently, nanocomposites, in which vacancy-defected nanotubes are embedded, exhibit different characteristics from those in which p...
Novel carbon nanotubes±metal±ceramic nanocomposite powders and dense materials have been prepared and their microstructure and mechanical properties have been investigated. After a brief review on the structure, synthesis and physical properties of carbon nanotubes, we describe an original catalytic method that produces ceramic±matrix composite powders that contain in situ grown nanotubes. The ...
A carbon nanotube may be viewed as a graphite sheet that is rolled up into a nanometer-scale tubular form (that is, a single-walled carbon nanotube, SWNT) or with additional graphene tubes that form around the core of a SWNT (that is, a multi-walled carbon nanotube, MWNT). Because the graphene sheet can be rolled up with varying degrees of twist along its length, carbon nanotubes can have a var...
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