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nanotechweb.org: tech update



Latest tech update articles from nanotechweb.org



Published: Tue, 17 Oct 2017 04:16:38 GMT2017-10-17T04:16:38Z

Last Build Date: Mon, 16 Oct 2017 12:21:23 GMT

Copyright: Copyright © 2017 IOP Publishing Ltd
 



Magnetic particle imaging could help monitor stroke patients

Mon, 16 Oct 2017 12:21:23 GMT2017-10-16T12:21:23Z

Results from experiments on mice with cerebral ischemia are promising and produce blood-flow images that are comparable to those obtained with MRI, but in real time.(image)



Nanosheet actuators lift 150 times their own weight

Fri, 13 Oct 2017 11:24:22 GMT2017-10-13T11:24:22Z

Lifting devices based on molybdenum disulphide nanosheets are powerful, fast and robust.(image)



Liquid metal-organic frameworks remain porous

Fri, 13 Oct 2017 10:41:05 GMT2017-10-13T10:41:05Z

MOFs retain their exceptional porosity even when melted, a surprising finding that could lead to many new industrial applications.(image)



Light travels freely in new zero-index silicon waveguide

Fri, 13 Oct 2017 10:36:08 GMT2017-10-13T10:36:08Z

Structure might come in useful for a host of applications in nonlinear optics, quantum optics and waveguide coupling.(image)



Double-walled carbon nanotubes get sorted

Thu, 12 Oct 2017 11:28:24 GMT2017-10-12T11:28:24Z

Technique separates DWCNTs according to both their inner- and outer-wall electronic types for the first time.(image)



Nacre-like graphene composite is stronger and tougher

Mon, 09 Oct 2017 08:14:36 GMT2017-10-09T08:14:36Z

Brick-and-mortar architecture leads to much improved mechanical properties.(image)



Thermoresponsive polymer helps graphene fold into 3D shapes

Mon, 09 Oct 2017 08:08:01 GMT2017-10-09T08:08:01Z

Origami-inspired technique could be used to make new types of devices from carbon sheet.(image)



Light polarization modulated rapidly by gold nanorods

Mon, 09 Oct 2017 07:51:12 GMT2017-10-09T07:51:12Z

Effect could be used to make better pharmaceuticals.(image)



Scanning tunnelling microscope creates all-graphene p–n junctions

Mon, 09 Oct 2017 06:44:36 GMT2017-10-09T06:44:36Z

Varying the tip voltage produces either electron traps or waveguides, integrating electronics and photonics on the same device.(image)



Quantum Čerenkov effect makes graphene glow

Fri, 06 Oct 2017 10:37:31 GMT2017-10-06T10:37:31Z

Characterizing the location and spectra of light emitted from graphene field-effect transistors rules out other mechanisms.(image)