Nanomaterials are materials that have one or more external dimension of less than 100 nanometres (nm), where one nanometre is equal to one thousand millionth of a metre. Nanomaterials may be nanoscale in one, two or three dimensions, resulting in thin surface coatings, nanotubes and nanowires, and nanoparticles. The building blocks of nanoscale materials, known as nanoparticles, occur naturally in dust, sand, smoke and soot, but engineered nanoparticles are specifically designed for their size, shape and properties. Nanoscale objects are invisible to the naked eye, but modern electron microscope techniques allow materials to be manipulated on an atomic, or molecular, scale. Traders in these technologically advanced supplies can be found at

Reducing the size of materials to the nanoscale affects the movement of electrons which, in turn, creates so-called quantum effects. Quantum effects affect the electrical, magnetic and optical properties of materials, so nanoscale materials may show unique peculiarities. Nanoscale materials also have a high surface area when compared to the same mass of material in bulk form, so their chemical reactivity, electrical and thermal conductivity and mechanical strength may also be affected. In fact, increased surface area may affect the behaviour of nanomaterials more than the composition of individual particles.

Nanoscale materials are used in a variety of commercial applications, including electronics, pharmaceuticals, textiles and many others. They are inherently light, which is a boon for electronics, where applications include lighting technologies, lasers, lithium-ion batteries and fuel cells. The nanoscale range corresponds to basic biological substances, such as deoxyribonucleic acid (DNA), so the increased surface area and enhanced properties lend themselves well to medical applications, including targeted drug delivery. provides access to the latest innovations in the field of nanomaterials, acting as a meeting place for manufacturers, suppliers and traders.

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