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547 Current news about the topic nanotechnologyrss
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Quantum molecular switches operate by hydrogen tunneling with some help
The quantum dynamics of hydrogen is central to many problems in nature, being strongly influenced by the environment in which it takes place. In their contribution to PRL, members of the Lise Meitner Group at the MPSD address hydrogen transfer within a supported molecular switch, showing that the ...
The nanofluid is made from commercially available sodium using household blender
Researchers from the University of Houston have demonstrated that an inexpensive and non-toxic nanofluid can be used to efficiently recover even heavy oil with high viscosity from reservoirs. The nanofluid, made in a common household blender using commercially available sodium, allowed for ...
A team of chemists at LMU has successfully coupled the directed motion of a light-activated molecular motor to a different chemical unit – thus taking an important step toward the realization of synthetic nanomachines. Molecular motors are chemical compounds that convert energy into directed ...
Nanopipettes, in which a nanoscale channel is filled with a solution, are used in all kinds of nanotechnology applications, including scanning-probe microscopy. Bringing a solution into a nanopipette with a pore diameter below 10 nanometer is challenging, however, since capillary forces prevent ...
Researchers analyse biological mechanisms of action and identify biomarkers
Nanotechnology is booming, but risk assessment for these tiny particles is a laborious process that presents significant challenges to the German Federal Institute for Risk Assessment (BfR). To find more efficient test methods, researchers at the Helmholtz Centre for Environmental Research (UFZ) ...
Verner Håkonsen works with cubes so tiny that nearly 5 billion of them could fit on a pinhead. He cooks up the cubes in the Norwegian University of Science and Technology's (NTNU) NanoLab, in a weird-looking glass flask with three necks on the top using a mixture of chemicals and special ...
Chemical engineers have developed the first molecular motor that enables an eight-shaped movement
Molecular motors convert externally supplied energy into directional motions and are thus an important basis for future applications in nanotechnology. The first such motors were developed in the late 1990s, and since then a growing number of different systems have been established. A specialist ...
Quantum light sources pave the way for optical circuits
An international team headed up by Alexander Holleitner and Jonathan Finley, physicists at the Technical University of Munich (TUM), has succeeded in placing light sources in atomically thin material layers with an accuracy of just a few nanometers. The new method allows for a multitude of ...
New technology gives insight into how nanomaterials form and grow
A new form of electron microscopy allows researchers to examine nanoscale tubular materials while they are "alive" and forming liquids -- a first in the field. Developed by a multidisciplinary team at Northwestern University and the University of Tennessee, the new technique, called variable ...
Organic dye molecules are commonly known from color pigments or from fluorescence microscopy in biology. Although as any other molecule, they are fundamentally quantum mechanical objects made of a small number of atoms, they are usually not associated with quantum technologies, not even within ...