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Actively Swimming Gold Nanoparticles

Chemotactic movement on the macroscale by a swarm of bacteria-mimicking nanoswimmers

07-Aug-2019

Bacteria can actively move towards a nutrient source—a phenomenon known as chemotaxis—and they can move collectively in a process known as swarming. Chinese scientists have redesigned collective chemotaxis by creating artificial model nanoswimmers from chemically and biochemically modified gold ...

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Light in the nanoworld

Quantum light sources pave the way for optical circuits

06-Aug-2019

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 ...

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Researchers build artificial cells that sense and respond to their environment

05-Aug-2019

Imperial College London scientists have created artificial cells that mimic biological cells by responding to a chemical change in their surroundings. The artificial cells could be used to sense changes in the body and respond by releasing drug molecules, or to sense and remove harmful metals in ...

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Team of researchers in Vienna has decoded the structure of the ribonucleoprotein (RNP) of rabies virus

02-Aug-2019

A research team of the Institute of Virology of the University of Veterinary Medicine Vienna has achieved a major breakthrough in exploring the rabies virus: for the first time, researchers were able to exactly depict the structure of the RNP of this virus that is highly dangerous to terrestrial ...

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A catalyst for sustainable methanol

01-Aug-2019

Scientists at ETH Zurich and oil and gas company Total have developed a new catalyst that converts CO2 and hydrogen into methanol. Offering realistic market potential, the technology paves the way for the sustainable production of fuels and chemicals. The global economy still relies on the fossil ...

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Listening to the whispers of individual cells

30-Jul-2019

For the cells in our bodies to function as a unit, they must communicate with one another constantly. They secrete signalling molecules – ions, proteins and nucleic acids – that are picked up by adjacent cells, which in turn pass on the signal to other cells. Our muscles, digestive system and ...

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Self-organizing molecules: Nanorings with two sides

26-Jul-2019

The tiny rings that chemists at the Center for Nanointegration (CENIDE) at the University of Duisburg-Essen (UDE) create in the laboratory are as small as a bacterium. Self-organized, individual polymer chains form the flexible structures that can even squeeze themselves through cell membranes. ...

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Towards a light driven molecular assembler

Chemists at Kiel University built the first artificial molecular machines that performs synthesis

25-Jul-2019

Chemists usually synthesize molecules using stochastic bond-forming collisions of the reactant molecules in solution. Nature follows a different strategy in biochemical synthesis. The majority of biochemical reactions are driven by machine-type protein complexes that bind and position the ...

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Toxin responsible for Legionella growth identified

24-Jul-2019

A team of scientists led by EMBL group leader Sagar Bhogaraju and Ivan Dikic of Goethe University, Frankfurt, discovered that the toxin SidJ in Legionella bacteria enforces a unique modification on human proteins and helps legionella grow inside human cells. SidJ hijacks human protein Calmodulin ...

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Atomically precise models improve understanding of fuel cells

Computer simulations using models based on real-world atomic structures from microscope observations shed new light on the reaction pathways in fuel cells

23-Jul-2019

Simulations from researchers in Japan provide new insights into the reactions occurring in solid-oxide fuel cells by using realistic atomic-scale models of the active site at the electrode based on microscope observations as the starting point. This better understanding could give clues on ways ...

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