Authors: George Rajna
Synthetic protocells can be made to move toward and away from chemical signals, an important step for the development of new drug-delivery systems that could target specific locations in the body.  MIT engineers have shown that they can enhance the performance of drug-delivery nanoparticles by controlling a trait of chemical structures known as chirality-the "handedness" of the structure.  The process, developed by Nagoya University researchers in Japan, could be upscaled for manufacturing purified batches of single-wall carbon nanotubes that can be used in high-performance electronic devices.  Scientists at Texas Heart Institute (THI) and Rice University have used biocompatible fibres made of carbon nanotubes (CNTs) as electrical bridges to restore conductivity to damaged hearts.  A team of researchers from China, the U.S. and Japan has developed a way to strengthen graphene-based membranes intended for use in desalination projects-by fortifying them with nanotubes.  The team arrived at their results by imaging gold nanoparticles, with diameters ranging from 2 to 5 nanometres, via aberration corrected scanning transmission electron microscope.  Nanoparticles of less than 100 nanometres in size are used to engineer new materials and nanotechnologies across a variety of sectors.  For years, researchers have been trying to find ways to grow an optimal nanowire, using crystals with perfectly aligned layers all along the wire.  Ferroelectric materials have a spontaneous dipole moment which can point up or down.  Researchers have successfully demonstrated that hypothetical particles that were proposed by Franz Preisach in 1935 actually exist. 
Comments: 64 Pages.
[v1] 2019-11-23 05:44:57
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