Tracking forever chemicals across food web shows not all isomers are distributed equally

When University at Buffalo chemists analyzed samples of water, fish, and bird eggs, they weren't surprised to find plenty of ...
Technology Networks

Forever Chemical Isomers Are Unevenly Distributed Across Food Webs

Research shows that PFOS isomers in fish vary greatly, emphasizing the need for differentiated regulation of these harmful substances.
Nature

Comparative semiempirical, ab initio, and DFT study on the thermodynamic properties of linear and branched PFSA/Fs, PFCA/Fs, and perhydroalkyl sulfonic acids, alkanes, and alcohols

A systematic and comprehensive semiempirical, Hartree-Fock (HF) ab initio, and B3LYP density functional theory (DFT) study was conducted on the relative thermodynamic properties of various linear and ...
C&EN

Branched Alkyl Chain Found In Space

Astronomers are reporting the first definitive detection of a branched alkyl molecule, isopropyl cyanide (i-C 3 H 7 CN), in the interstellar medium (Science 2014, DOI ...
JSTOR Daily

Use of Tartaric Acid Isomers and Citric Acid in the Biotyping of Salmonella typhimurium

The colour-change and lead acetate tests for fermentation of d-, l- and m-tartaric acids and citric acid used in the Kristensen scheme for biotyping Salmonella typhimurium were found to be unreliable ...
EurekAlert!

MOF co-catalyst allows selectivity of branched aldehydes of up to 90%

Efforts to develop heterogeneous catalysts that appeal to the fine chemical industry have been limited by underwhelming results. Although some approaches have shown promising catalytic activity, ...