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Cell & Microbiology Nov 27, 2019

Laboratory-evolved bacteria switch to consuming CO2 for growth

Over the course of several months, researchers in Israel created Escherichia coli strains that consume CO2 for energy instead of organic compounds. This achievement in synthetic biology highlights the incredible plasticity ...

Materials Science Nov 22, 2019

Niobium used as catalyst in fuel cell

Brazil is the world's largest producer of niobium and holds about 98 percent of the active reserves on the planet. This chemical element is used in metal alloys, especially high-strength steel, and in an almost unlimited ...

Nanophysics Nov 14, 2019

Storing energy in hydrogen 20 times more effective using platinum-nickel catalyst

Catalysts accelerate chemical reactions, but the widely used metal platinum is scarce and expensive. Researchers at Eindhoven University of Technology (TU/e), together with Chinese, Singaporean and Japanese researchers, have ...

Cell & Microbiology Nov 2, 2019

Researchers engineer insulin-producing cells activated by light for diabetes

Tufts University researchers have transplanted engineered pancreatic beta cells into diabetic mice, then caused the cells to produce more than two to three times the typical level of insulin by exposing them to light. The ...

Materials Science Oct 15, 2019

Inside the fuel cell: Imaging method promises industrial insight

Hydrogen-containing substances are important for many industries, but scientists have struggled to obtain detailed images to understand the element's behavior. In Review of Scientific Instruments researchers demonstrate the ...

Materials Science Oct 7, 2019

Electrode-fitted microscope points to better designed devices that make fuel from sunlight

Using an atomic-force microscope fitted with an electrode tip 1,000 times smaller than a human hair, University of Oregon researchers have identified in real time how nanoscale catalysts collect charges that are excited by ...

Materials Science Oct 2, 2019

A blue pigment found to be a high-performance ammonia adsorbent

Akira Takahashi (Researcher) and institutional collaborators have discovered that the blue pigment Prussian blue has a higher adsorption capacity than common ammonia adsorbents, and controlled the structure of Prussian blue ...

Materials Science Sep 18, 2019

Platinum-graphene fuel cell catalysts show superior stability over bulk platinum

Films of platinum only two atoms thick supported by graphene could enable fuel cell catalysts with unprecedented catalytic activity and longevity, according to a study published recently by researchers at the Georgia Institute ...

Nanophysics Sep 16, 2019

Researchers think small to make progress towards better fuel cells

As renewable sources such as wind and solar are quickly changing the energy landscape, scientists are looking for ways to better store energy for when it's needed. Fuel cells, which convert chemical energy into electrical ...

Earth Sciences Sep 9, 2019

The surprising way a volcanic eruption fueled a bloom of ocean algae

When Hawaii's Kilauea volcano erupted in 2018, it destroyed some 700 homes and sent hundreds of millions of tons of lava pouring into the ocean, creating billowing clouds and explosions along the coast. Soon, satellite imagery ...

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