Carbon Nanotubes and Graphene - Research and Applications

Nanofibres, which can be used in a variety of applications including biotechnology, nanocomposites and nanodevices, are usually produced by techniques such as electrospinning, lithography and molecular self-assembly. However, certain biological materials also contain nanofibres. For example, spider and silkworm silks contain tens of thousands of nanofibres that are about 30 nm across, and Feng and colleagues have succeeded in extracting these using high-frequency ultrasound at 20 kHz.
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