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275 Current news about the topic mass spectrometry

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Straws and disposable tableware: Also made of paper often with harmful chemicals for the environment and health

The supposedly better alternative is often not better at all, scientists emphasize

29-Aug-2023 - (dpa) Instead of the banned plastic straws, many restaurants now offer paper straws. However, these can also be harmful to the environment and health, warns a research team in the journal "Food Additives & Contaminants: Part A". Many supposedly environmentally friendly drinking straws made of ...

bioplastics chemicals food packagings +5
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Chemists are on the hunt for the other 99 percent

New mass spectrometry combo offers promise for tapping nature’s unknown chemical universe

10-Jul-2023 - The universe is awash in billions of possible chemicals. But even with a bevy of high-tech instruments, scientists have determined the chemical structures of just a small fraction of those compounds, maybe 1 percent. Scientists at the Department of Energy’s Pacific Northwest National Laboratory ...

analytical chemistry ion mobility spectrometers mass spectrometry +1
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New findings on the lithium-oxygen battery

Overpotential and its causes

22-Jun-2023 - Lithium-oxygen batteries, often hailed as the future of rechargeable energy storage, presently face limitations that prevent their widespread adoption. One of these significant constraints is the occurrence of large overpotentials experienced during the charging process. This means that the ...

batteries electrochemical impedance spectroscopy energy storage +2
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Light and nickel simplify chemical reactions

Researchers develop a method for reliable planning of syntheses

16-Jun-2023 - Cross-coupling reactions–chemical transformations in which two fragments are joined together–are a valuable tool in the synthesis of organic molecules. Applications range from drug development and synthesis of naturally occurring molecules to materials science. Despite many known methods, finding ...

catalysis chemical reactions cross-coupling reactions +6
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A breakthrough in big data processing helps trace chemicals in complex mixtures

Scientists open a new window into the chemical world

21-Mar-2023 - An international team of scientists led by Tomáš Pluskal from the Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences (IOCB Prague) has introduced a new generation of software enabling scientists to analyze large volumes of data from mass spectrometry, a technique ...

big data data processing mass spectrometry +1
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Genetically harmful compounds detected in vegetable oils

Genotoxins discovered for the first time using a novel method

06-Mar-2023 - Vegetable oils rich in unsaturated fatty acids are highly recommended for a healthy diet. But these oils are not as healthy as thought: Prof. Dr. Gertrud Morlock, holder of the Chair of Life Sciences at Justus Liebig University Giessen (JLU), together with PhD student Daniel Meyer, has for the ...

coconut oil epoxides food analytics +7
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The chemistry of mummification

Specific substances for certain parts of the body

06-Feb-2023 - A international team of researchers from LMU and University of Tübingen is unveiling the secrets of ancient Egyptian embalming. Vessels from a workshop in Saqqara are providing new insights into the substances that were used to preserve human bodies. Exactly 100 years ago, the tomb of Tutankhamun ...

chromatography mass spectrometry preservation +1
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From the road to the plate: lettuce takes up toxic additives from tyre wear

Chemicals from tyre wear could get into our vegetables via sewage sludge and waste water

05-Jan-2023 - Wind, sewage sludge, and waste water carry tyre wear particles from roads onto farmland. A new lab study shows: The pollutants contained in the particles could get into the vegetables grown there. Researchers at the Centre for Microbiology and Environmental Systems Science (CMESS) at the ...

chemicals lettuce mass spectrometry +5
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Gaining unprecedented view of small molecules by machine learning

Applications in medicine, drug discovery and environmental chemistry

21-Dec-2022 - A new tool to identify small molecules offers benefits for diagnostics, drug discovery and fundamental research. A new machine learning model will help scientists identify small molecules, with applications in medicine, drug discovery and environmental chemistry. Developed by researchers at Aalto ...

machine learning mass spectrometry metabolites +2
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The fountain of life: Water droplets hold the secret ingredient for building life

Chemists discover key to early Earth chemistry, which could unlock ways to speed up chemical synthesis for drug discovery

05-Oct-2022 - Purdue University chemists have uncovered a mechanism for peptide-forming reactions to occur in water — something that has puzzled scientists for decades. “This is essentially the chemistry behind the origin of life,” saidGraham Cooks, theHenry Bohn Hass Distinguished Professor of Analytical ...

amino acids chemical reactions chemistry +7