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Science

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Rosetta, rosetta mission, Comet 67P, rosina, comet atmosphere, Mass Spectrometer, Cometary, Organics, Kathrin Altwegg, University of Bern, European Space Agency, AVS 64th annual International Symposium and Exhibition, AVS

ROSINA Spectral Measurements Bring Comet’s Chemistry to Life

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In 2014, the Rosetta probe became the first spacecraft to orbit the nucleus of a comet and later land on its surface. The mission ended in 2016 with the probe’s dive into the comet but its close-up studies of the comet continue to yield scientific insights. In a presentation at the AVS 64th annual International Symposium and Exhibition, researchers will describe findings from Rosetta’s ROSINA instrument, which obtained the first detailed, in situ measurements of the chemical composition of a comet’s atmosphere, or coma.

Medicine

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Zika Transmission, Overcoming Resistance to Immunotherapy, ASCB's E.E. Just Award, Proteins of the Ear, and More in the Cell Biology News Source

The latest research and features in cell biology in the Cell Biology News Source

Medicine

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Last Unknown Structure of HIV-1, a Novel Compound, Blood Equality, and More in the AIDS and HIV News Source

The latest research, features, and experts on HIV and AIDS.

Science

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Chemistry, Nanoparticles

New Technique Produces Tunable, Nanoporous Materials

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A collaborative group of researchers including Petr Kral, professor of chemistry at the University of Illinois at Chicago, describe a new technique for creating novel nanoporous materials with unique properties that can be used to filter molecules or light.

Medicine

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Triclosan Accumulates in Toothbrushes, Potentially Prolonging Users’ Exposure

In September, a ban on triclosan in over-the-counter antiseptic soaps, gels and wipes went into effect in the U.S. But the antibacterial ingredient is still allowed in toothpastes for its reported ability to reduce gum inflammation, plaque and cavities. Now a study in ACS’ Environmental Science & Technology has found that triclosan accumulates in toothbrush bristles and elastomer parts, and is readily released when users switch toothpastes, potentially prolonging users’ exposure to the compound.

Medicine

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Insights From a Rare Genetic Disease May Help Treat Multiple Myeloma

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A new class of drugs for blood cancers such as leukemia and multiple myeloma is showing promise. But it is hobbled by a problem that also plagues other cancer drugs: targeted cells can develop resistance. Now scientists, reporting in ACS Central Science, have found that insights into a rare genetic disease known as NGLY1 deficiency could help scientists understand how that resistance works — and potentially how drugs can outsmart it.

Medicine

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methylmercury production

Some Infant Rice Cereals Contain Elevated Levels of Methylmercury

Eating large amounts of certain fish can expose consumers to methylmercury, which can potentially cause health problems. But recent research has shown that rice grown in polluted conditions can also have raised levels. Now, a study appearing in ACS’ Journal of Agricultural and Food Chemistry reports that some types of infant rice cereal could also contain amounts of methylmercury that could potentially pose a health risk.

Medicine

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Autism, Autism Research, Epigenetics

Blood-Based Epigenetic Research May Hold Clues to Autism Biology, Study Suggests

Using data from blood and brain tissue, a team led by researchers at Johns Hopkins Bloomberg School of Public Health found that they could gain insights into mechanisms that might help explain autism by analyzing the interplay between genes and chemical tags that control whether genes are used to make a protein, called epigenetic marks.

Medicine

Science

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Public Health, Environment, Ecology, Pollution, Toxicology, Cancer, Carcinogens, glyphosate, weed killer, Metabolism, Nutrition

Exposure to Glyphosate, Chemical Found in Weed Killers, Increased Over 23 Years

Analyzing samples from a prospective study, University of California San Diego School of Medicine researchers found that human exposure to glyphosate, a chemical widely found in weed killers, has increased approximately 500 percent since the introduction of genetically modified crops.

Science

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Chemistry, sound wave, Sound, Medical, Biomedical

The Sound of Silence

Sound waves could be the future of biomedical research, diagnosing and treatment, says Peng Li, a chemistry professor at West Virginia University. Li is a data analyst for an ongoing research study using an acoustic device to separate extracellular vesicles for a deeper look at their properties.







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