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Researchers uncover potential biosignatures on Mars

A new study has revealed chemical signatures of ancient Martian microbial life in the Bright Angel formation, a region of Jezero Crater known for its fine-grained mudstones rich in oxidized iron and organic carbon. The findings suggest that early microorganisms may have played a role in shaping these rocks through redox reactions.

SourceTexas A&M University·JournalNature·DateSep 10, 2025

Choosing outcomes: new switchable process for synthesizing 3-aminoindolines and 2’-aminoarylacetic acids from same substrate

Researchers at Okayama University developed a switchable process to synthesize 3-aminoindolines and 2'-aminoaryl acetic acids from a common substrate using Grignard reagents and azide compounds. The new protocol utilizes tautomerism to control chemoselectivity and achieves efficient synthesis with good yields.

SourceOkayama University·JournalChemical Communications·TypeExperimental study·DateJun 24, 2024

Researchers measure temperature effect of plasmon in chemical reactions using organic "sensors"

Scientists have developed a method to estimate the temperature of chemical reactions activated by plasmons, revealing that properties of plasmons depend on thermal effects and other factors. The study used organic molecules as ultra-small sensors, showing different temperatures for two molecules triggered by plasmon energy.

SourceTomsk Polytechnic University·JournalChemical Science·DateFeb 15, 2021

Switched-on DNA

An ASU-led team has developed the first controllable DNA switch, allowing for reversible control of electricity flow within a single molecule. The modified DNA helix can conduct electricity and is reversibly controlled using an anthraquinone group.

SourceArizona State University·JournalNature Communications·DateFeb 20, 2017

How solvent molecules cooperate in reactions

Researchers discovered that solvent molecules can significantly impact the formation of an ether molecule, even when they don't directly participate in the reaction. A second methanol molecule is essential for the reaction to occur, indicating that solvent molecules are not just bystanders but rather assistants.

SourceRuhr-University Bochum·JournalNature Communications·DateOct 6, 2016

2 catalysts are better than 1

Researchers have successfully used two catalysts to produce valuable compounds for biomedical research. The cooperative catalysis approach allows for rapid, efficient and controlled production of large amounts of a key building block for many pharmaceuticals.

SourceNorthwestern University·JournalNature Chemistry·DateJul 27, 2010