How slippery are water-repellent surfaces? (w/ Video)
Scientists at Aalto University have measured the low but non-zero friction of droplets moving on slippery water-repellent surfaces.
Airbrushing could facilitate large-scale manufacture of carbon nanofibers
Researchers from North Carolina State University used airbrushing techniques to grow vertically aligned carbon nanofibers on several different metal substrates, opening the door for incorporating these nanofibers ...
Experimental demonstration of light scattering controlled by silicon nanoparticles
Optical fibers are now delivering ultrafast internet connections to homes across the world. By replacing electronics-based technologies with architectures that process pulses of light, a similar leap in speed ...
Accidental nanoparticle discovery could hail revolution in manufacturing
A nanoparticle shaped like a spiky ball, with magnetic properties, has been uncovered in a new method of synthesising carbon nanotubes by physicists at Queen Mary University of London and the University of ...
Separate teams develop similar method for creating non-oxidizing silver nanoparticles
Nanostructures made of DNA strands can encapsulate, release small-molecule drugs
Nanoscale "cages" made from strands of DNA can encapsulate small-molecule drugs and release them in response to a specific stimulus, McGill University researchers report in a new study.
Breakthrough in sensing at the nanoscale
Researchers have made a breakthrough discovery in identifying the world's most sensitive nanoparticle and measuring it from a distance using light. These super-bright, photostable and background-free nanocrystals ...
New nanoparticles make solar cells cheaper to manufacture
University of Alberta researchers have found that abundant materials in the Earth's crust can be used to make inexpensive and easily manufactured nanoparticle-based solar cells.
Reproducing nature's chemistry: Researchers alter molecular properties in a new way
In their search for molecules with certain characteristics, chemists have produced millions of new, increasingly complex synthetic materials by altering molecules' chemical structures.
Toxic nanoparticles might be entering human food supply, study finds
Over the last few years, the use of nanomaterials for water treatment, food packaging, pesticides, cosmetics and other industries has increased. For example, farmers have used silver nanoparticles as a pesticide ...
Researchers figure out why gold nanoparticles can penetrate cell walls
Cells are very good at protecting their precious contents—and as a result, it's very difficult to penetrate their membrane walls to deliver drugs, nutrients or biosensors without damaging or destroying the cell. One effective ...
Graphene nanoscrolls are formed by decoration of magnetic nanoparticles
Researchers at Umea University, together with researchers at Uppsala University and Stockholm University, show in a new study how nitrogen doped graphene can be rolled into perfect Archimedean nano scrolls ...
Explosive nanotechnology: Highly reactive nanoenergetic formulations based on periodate salts
(Phys.org) —Whether they are rocket propellants or fireworks, all explosives contain a fuel and an oxidizing agent. Sometimes both are in the same molecule, like in TNT; sometimes the explosive is a mixture, ...
Designing and building nanocomponents to spec
Hybrid, multifunctional nanostructures with diverse 3D shapes and complex material composition can now be manufactured with a precise and efficient fabrication technique.