198 News from the science department by Royal Society of Chemistry

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198 News from the science department by Royal Society of Chemistry

Tip: You can further refine your news selection by topics, countries and industries.

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Researchers overview recent progress and challenges in silicon-based anode materials for lithium-ion batteries

16-Feb-2024 - Research in recent years displays that several chemical modifications (binders, composite materials, and electrolytes) provide superior stability and enhance electrochemical performance in Si-based anodes in lithium-ion batteries(LIBs). Thus far, several different chemical interactions on ...

anode materials batteries lithium-ion batteries

Moving the MRI goalposts

28-Nov-2013 - Scientists in the UK have developed a new class of MRI (magnetic resonance imaging) agents that promise to deliver clearer images more quickly. Chemical shifts from proton NMR normally fall between 0-12ppm, but water and fat resonate at 4.7 and 1.3ppm respectively, causing noise that can overlap ...

chemical shift lanthanide complexes magnetic resonance imaging

Making hydrogen a metal mimic

28-Nov-2013 - Scientists have tricked hydrogen into structurally behaving like a metal for the first time, and proven elemental equivalence. With a single ‘s’ electron, hydrogen is chemically analogous to the group 1 alkali metals in the periodic table, but it typically exhibits pronounced structural ...

catalysis hydrogen ligands

Big data reveals clues for energy technology

28-Nov-2013 - The largest quantum chemical investigation to date has revealed chemical structures with promising properties for advanced solar cells. Scientists at Harvard University in the United States performed 150 million theoretical calculations to reveal results that could cut down the time and cost of ...

building blocks silicon solar cells

A better understanding of ‘hole hopping’ in solar cells

28-Nov-2013 - A team of scientists from the UK, Spain and Switzerland say a method they have developed for probing electron transfer reactions could help them design more efficient solar cells. The research team, led by Piers Barnes of Imperial College London, has pioneered a technique that measures the ...

dyes solar cells voltammetry

Measuring iron on a smartphone

28-Nov-2013 - Spanish scientists have developed a way to quantitatively measure the amount of iron in a solution using a smartphone. Traditional techniques for quantifying iron levels require samples to be isolated and tested in the laboratory by trained specialists. This new approach returns a result in just ...

blood explosives iron

Melting sea ice releases trapped pollutants

30-Oct-2013 - Scientists in Denmark have found evidence that melting sea ice is causing the re-emission of banned pesticides, presenting a further potential consequence of global warming. Organochlorine pesticides (OCPs) have been banned or restricted in most countries because of their tendency to ...

climate change emissions global warming

Solar-powered electrochemistry reduces reagent waste in synthetic organic reactions

30-Oct-2013 - Scientists in the United States have combined electrochemistry with synthetic organic chemistry to perform chemical oxidations that consume only sunlight and produce only hydrogen as a reduction product to reduce reagent waste. The researchers connected a photovoltaic cell to the reaction flask, ...

electrochemistry hydrogen Oxidation

A look behind Dalí’s paintings

17-Sep-2013 - A collaboration of scientists, conservators and curators has developed a technique for assessing the condition of works of art without the need to remove samples from them, and used it to analyse a valuable collection of paintings by the enigmatic artist Salvador Dalí. Paintings undergo little ...

acidity acids data analysis

Better separations with more permeable membranes

17-Sep-2013 - Researchers in the United States have developed a new type of nanocomposite ultrafiltration membrane that overcomes the usual trade-off between selectivity and liquid permeability associated with ultrafiltration membranes. When designing a membrane for the ultrafiltration of proteins from a ...

membranes polymers proteins
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