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Chemistry General

Chemist Dr. Lars Borchardt and his team at TU Dresden recently achieved a huge breakthrough in the synthesis of nanographenes. Because of their unique electrical, thermal and mechanical characteristics, the carbon modification graphene and its little brothers the nanographenes are known as a very promising material for applications in electronics, sensor technology and energy storage. However, since the synthesis of nanographenes and graphene nanoribbons is still rather expensive and environmentally unsustainable, there are only few industrial applications. Dr. Borchardt's innovative method of a mechanochemical synthesis of nanographenes has certainly paved the way for a safer, simpler and more sustainable route for the synthesis of alternative electronic and solar energy materials. [...]
Fri, May 25, 2018
Source: PhysOrg Chemistry Category: CHEMISTRY GENERAL
Every cell in our bodies is shaped by its outer coating, or biomembrane. This incredible, naturally created nanostructure wraps the cell in a supportive and protective blanket, allowing the cell to carry out its normal function while also defending it against attack. [...]
Fri, May 25, 2018
Source: PhysOrg Chemistry Category: CHEMISTRY GENERAL
Researchers at the University of British Columbia have developed a low-cost membrane that effectively separates oil and water on demand—potentially paving the way for faster cleanups of oil spills and improved treatment of industrial wastewater in the future. [...]
Fri, May 25, 2018
Source: PhysOrg Chemistry Category: CHEMISTRY GENERAL
Researchers at the Ruhr-Universität Bochum have discovered why bioelectrodes containing the photosynthesis protein complex photosystem I are not stable in the long term. Such electrodes could be useful for converting light energy into chemical energy in an environmentally friendly way. However, the proteins, which are stable in nature, are not functional in semi-artificial systems in the long term because reactive molecules are formed that damage the photosystem I. [...]
Fri, May 25, 2018
Source: PhysOrg Chemistry Category: CHEMISTRY GENERAL
Beta-amyloid peptides, protein fragments that form naturally in the brain and clump into plaques in Alzheimer's disease patients, are thought to be responsible for neuron death, but it hasn't been clear how the substances kill cells. Now, a Purdue University scientist has shown through computer simulations that beta-amyloid may accumulate to kill neural cells by boring holes into them. [...]
Fri, May 25, 2018
Source: PhysOrg Chemistry Category: CHEMISTRY GENERAL
Chameleons are nature's most talented masters of color. They use their unique color-changing abilities for all sorts of reasons. But how do they alter their hue? [...]
Thu, May 24, 2018
Source: PhysOrg Chemistry Category: CHEMISTRY GENERAL
Freshly ground coffee, popcorn, biowaste or smoke – in the course of life, we get to know different scents and thanks to our nose, we distinguish and identify them even without seeing their source. Scientists of Karlsruhe Institute of Technology (KIT) have now developed a sensor that can be taught different scents. The "electronic nose" is to be suited for everyday use and to smell potential hazards, such as smoldering cables or spoilt food, earlier than a human being. [...]
Thu, May 24, 2018
Source: PhysOrg Chemistry Category: CHEMISTRY GENERAL
To analyse, understand, interfere, and correct. Researching about life machinery goes through deciphering how cells, the smaller alive units within an organism, work. Being healthy depends mainly on adequate behaviour of our cells. In fact, nowadays it is well established that many diseases (such as cancer) start when malfunctioning is occurring inside them. [...]
Thu, May 24, 2018
Source: PhysOrg Chemistry Category: CHEMISTRY GENERAL
In collaboration with ETH Zurich, our team at IBM Research – Zurich published an article reviewing the interaction of liquid flows with biological cells. Our work was featured on the cover of the May 23 issue of Chemical Reviews, a highly-cited peer-reviewed scientific journal published by the American Chemical Society. [...]
Thu, May 24, 2018
Source: PhysOrg Chemistry Category: CHEMISTRY GENERAL
Carbon aerogels are ultralight, conductive materials, which are extensively investigated for applications in supercapacitor electrodes in electrical cars and cell phones. Chinese scientists have now found a way to make these electrodes sustainably. The aerogels can be obtained directly from cellulose nanofibrils, the abundant cell-wall material in wood, finds the study reported in the journal Angewandte Chemie. [...]
Thu, May 24, 2018
Source: PhysOrg Chemistry Category: CHEMISTRY GENERAL
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