nanotechnology

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nanotechnology

(nă″nō-tĕk-nŏl′ŏ-jē) [L. nanus, dwarf, + Gr. technē, art, + logos, word, reason]
The scientific study and engineering of chemical or biological objects measuring between 1 and 1000 nanometers. Objects this small are about the size of atoms or small molecules. “Wet” nanotechnology is the manipulation of organic or biological compounds in solution. “Dry” nanotechnology is the engineering of objects on silicon or carbon surfaces, such as those used in computing.
Medical Dictionary, © 2009 Farlex and Partners

nanotechnology

The application of the science of manipulation at an atomic level. The practical applications of the ability to move single atoms so as to construct molecules, materials, structures and even functioning machines at an atomic level. Nanotechnology is currently at a germinal stage but is expected to have extensive applications in medicine. See also MAGNETIC NANOPARTICLES.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in periodicals archive ?
[16] synthesized polypropylene/GNs nanocomposites by in situ polymerization, where the graphene nanosheets were homogeneously dispersed within the polymeric matrix.
They studied the effects of polyamide type and processing temperature on the mechanical properties and the morphology of the nanocomposites. Liu and Wu [23] prepared by nylon 6,6/clay nanocomposites via melt compounding method.
The flexural properties of the neat PP and the PP/alkyl-GNP nanocomposites were measured by three point bending method according to ASTM D790 using a universal testing machine (LR30 K, Lloyd, UK) loaded with 1 kN cell at a cross-head speed of 6.5 mm/min.
The impact tests of the notched neat PP and PP/alkyl-GNP nanocomposites specimens were carried out using an izod impact tester (SJI-103, Sungjin Co., Korea) according to ASTM D256.
Incorporation of nanofillers in a polymer matrix can greatly influence the mechanical properties, thermal stability, flame retardance, barrier properties, electrical properties, and scratch resistance of the nanocomposites [1-6].
Synthesis of PE-MWCNT Nanocomposites. Ethylene polymerization was carried out in a round-bottom flask (250 mL RB flask) with an experimental setup containing a magnetic stirrer, a constant temperature bath, and a thermometer.
(i) Organic/inorganic nanocomposite coatings (O/I nanocomposite coatings)
(ii) Organic/organic nanocomposite coatings (O/O nanocomposite coatings)
Further evidence for the [La.sub.2][O.sub.3]/GO nanocomposites was illuminated by the XPS of the GL2.
To investigate the application of as-synthesized [La.sub.2][O.sub.3]/ GO nanocomposites, the degradation ability for MB, Rh, and MO was studied in pure water.
XRD patterns of nanocomposite membranes were obtained by X-Ray diffractometer under the following conditions 40 kV-30 mA; CuKa radiation (l=1.78897 A); at the rate of 0.02deg/s in the range of 1-10deg (2th).
Nanoclay-based nanocomposites accounted for the largest share, in terms of value, of the overall nanocomposites market in 2018