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Search results for “Chemistry”

1,000+ results for "Chemistry"

Migrating animals' pee affects ocean chemistry

Researchers found that migrating animals release ammonia, which plays a significant role in shaping marine chemistry, particularly in low-oxygen zones. The study reveals that animal behavior on a large scale influences the ocean's chemistry, with implications for predicting ocean changes under climate change.

SourceUniversity of Washington·JournalProceedings of the National Academy of Sciences·DateOct 9, 2014

Scientists create new 'designer proteins' in fight against Alzheimer's and cancer

Researchers at the University of Leicester have developed a breakthrough technique to generate synthetic amino acids and designer proteins, which can be used to develop innovative new protein drugs for cancer and Alzheimer's disease treatment. The discovery opens up new avenues for drug discovery with potentially highly potent drugs an...

SourceUniversity of Leicester·JournalOrganic & Biomolecular Chemistry·DateSep 24, 2014

Bone chemistry reveals royal lifestyle of Richard III

A recent study by the British Geological Survey has analyzed the bone and tooth chemistry of King Richard III, revealing a change in diet and location in his early childhood and later life. The research suggests that Richard had a high status diet with expensive food and drink when he became king.

SourceElsevier·JournalJournal of Archaeological Science·DateAug 16, 2014

Scripps Research Institute chemists uncover powerful new click chemistry reactivity

Researchers have developed a powerful new reactivity called SuFEx that enables the creation of stable, non-polar linkers for making drugs, diagnostics, and smart materials. The breakthrough opens up vast numbers of new molecules for production, with potential applications in fields such as drug discovery, biology, and materials science.

SourceScripps Research Institute·JournalAngewandte Chemie·DateAug 14, 2014

Scissoring the lipids

Researchers at the University of Bristol have developed a new strategy for disconnecting molecules, which could be used to create a tuberculosis (TB) vaccine. The method, described in Nature Chemistry, enables the synthesis of complex lipids like hydroxyphthioceranic acid in just 14 steps.

SourceUniversity of Bristol·JournalNature Chemistry·DateJul 28, 2014

Four-billion-year-old chemistry in cells today

Researchers at the University of East Anglia have found that cells in plants, yeast, and animals continue to perform reactions thought to be responsible for life's origin four billion years ago. These reactions involve iron, sulfur, and electro-chemistry, essential for functions like respiration and photosynthesis.

SourceUniversity of East Anglia·JournalJournal of Biological Chemistry·DateJul 24, 2014

Lower mantle chemistry breakthrough

Scientists have discovered a significant difference in lower mantle chemistry, shifting from a single ferromagnesian silicate mineral to two distinct phases, including an iron-rich and hexagonal structure called H-phase. This finding challenges geodynamic models and may lead to new discoveries about the deep Earth.

Potent, puzzling and (now less) toxic: Team discovers how antifungal drug works

Scientists have solved a decades-old medical mystery by understanding the mechanism of action of amphotericin, an antifungal drug that has been in use for over 50 years. The researchers found that most of the drug aggregates on the exterior of membranes, extracting sterols out of membranes like a sponge, leading to cell death.

Good vibes for catalytic chemistry

Chemists at the University of Utah discovered a method to predict chemical reactions using bond vibrations, which can lead to more efficient catalysts for medicines, industrial products, and new materials. The researchers used infrared spectroscopy to analyze bond vibrations and built a mathematical model to predict reaction outcomes.

SourceUniversity of Utah·JournalNature·DateMar 12, 2014

Elsevier announces the launch of a new journal: TrEAC

Elsevier has launched a new journal, TrEAC, which will publish concise and critical overviews of the rapid changes and development in environmental analytical chemistry. The journal aims to enhance understanding of the environment through analysis and detection of new contaminants.

SourceElsevier·JournalTrends in Environmental Analytical Chemistry·DateFeb 20, 2014

Capillaries will measure diffusion and help in more efficient medical treatment

A new method developed by the Institute of Physical Chemistry of the Polish Academy of Sciences measures diffusion coefficients and equilibrium constants to assist in determining optimal drug doses. The method uses a simple capillary apparatus with high-speed water flow, allowing for fast and accurate measurements with increased accura...

SOFS take to water

Berkeley Lab researchers unveiled the first soluble single-layer 2D honeycomb SOFs with precise control over dimensionality, holding implications for sensing, separation, energy sciences, and biomimetics. The breakthrough uses non-covalent supramolecular interactions to maintain solubility in water.

SourceDOE/Lawrence Berkeley National Laboratory·JournalJournal of the American Chemical Society·DateDec 16, 2013

Tracking viral DNA in the cell

A new method developed by researchers at the University of Zurich allows them to display viral DNA in host cells at single-molecule resolution, revealing unexpected insights into its distribution and cell response. The technique uses click chemistry to label viral DNA without affecting its biological functions, enabling scientists to s...

SourceUniversity of Zurich·JournalCell Host & Microbe·DateOct 16, 2013

Chemist wins prize for water-purifying tech

A young Bangladeshi chemist has developed a reactor that removes nitrates from drinking water using electrodes, a process that also preserves healthy minerals. The tech aims to improve access to clean drinking water in Bangladesh and other developing countries.

SourceTWAS·DateOct 1, 2013