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Chemistry in Pictures: Twisted crystals




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U.S. report proposes lower safe level for perfluorochemical exposure

ATSDR daily dose numbers for PFOS and PFOA are one-tenth those of EPA




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Covestro deploys novel chlor-alkali technology in Spain




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U.K. chemical firms must re-register for REACH




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Start-up Olaplex triumphs over L’Oréal in court case




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2-step synthesis yields large 2-D COF crystals

Separating crystal nucleation and growth processes is key to controlling crystal dimensions




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Study finds natural gas climate advantage nixed by methane loss

U.S. natural gas production loses 2.3% of methane to leaks




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Recipharm acquires Sanofi’s inhalation assets




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Trump proposes U.S. federal government reorganization

Food regulation, graduate education among changes put forward




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Topological materials move from the world of theoretical physics to experimental chemistry

These exotic materials could find applications in electronics, catalysis, and quantum computing




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LyondellBasell in talks to buy stake in Braskem

A deal would give LyondellBasell control of Brazil’s largest chemical maker




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256th ACS National Meeting

Boston, Mass., Aug. 19–23




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Donald Ingber is leading efforts to develop organ-on-a-chip devices to replace animal tests

Widespread adoption of the chips will require mass production and finding the right questions to ask with the devices




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Sea, land, factory: 3 tales of pharmaceutical outsourcing

Drugs can be made by more than just chemical synthesis. Here are stories of three from the sea, the land, and yes, the factory




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U.S. team finalized for International Chemistry Olympiad

4 high school students will head to Slovakia and Czech Republic in July for international competition




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Human enzyme makes antiviral small molecule

Naturally occurring compound inhibits replication of Zika virus in living cells




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Changes on tap at U.S. Chemical Safety Board

Chair departs, investigators leave, staff fears changing mission




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Celgene partners with Skyhawk Therapeutics to drug RNA with small molecules

Skyhawk will receive $60 million up front to develop drug candidates that target RNA in neurological diseases




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Giant crystals in Mexican cave face dehydration

Water loss from the gypsum crystal surfaces is a primary degradation pathway




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Decoding how insects use visual and chemical cues to find food

Chemical ecologist Shannon Olsson and neuroscientist Karin Nordström employ 3-D printing and virtual reality to answer pressing questions about pollinators




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Dow Chemical wins $1 billion judgment against Nova Chemicals

An Alberta court agrees with Dow that Nova’s operation of an ethylene joint venture was self-serving




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3 siloxanes, lead, and a phthalate are candidates for tight regulation in EU




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Dow materials used in new Olympic headquarters




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Red blood cells catalyze polymerization

Iron from hemoglobin initiates radical reaction




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Nominations sought for 2020 American Chemical Society national awards




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EC investigates sale of Solvay’s nylon unit to BASF




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Study finds natural gas climate advantage nixed by methane loss




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AkzoNobel, Thomas Swan to develop coatings for metal packaging




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Human enzyme makes antiviral small molecule

Naturally occurring compound inhibits replication of Zika virus in living cells




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BASF taps Citrine for artificial intelligence




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Giant crystals in Mexican cave face dehydration

Water loss from the gypsum crystal surfaces is a primary degradation pathway




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Honeywell and Chemours ask U.S. Supreme Court to hear appeal in HFC case




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Calico and AbbVie advance antiaging efforts




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Raman spectra of bloodstains could reveal age range of suspects or victims

Study with blood donors pinpoints age-related intensity differences of particular peaks




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Nanocrystals give hematite rainbow flair

Mineral’s microstructure causes natural iridescence




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Errors in C&EN graphic reveal widespread misconceptions about slime chemistry

Multiple sources, including journal articles and chemical catalogs, get the borate bonding and reactivity wrong




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Canada moving to update environmental protection regulations

Actions may include requiring industry to demonstrate safety of substances, akin to Europe’s REACH program




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Canada moves to update environmental protection regulations




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Call for papers for fluorine conference




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India must change how it evaluates researchers, Indian National Science Academy says




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Catalent acquires drug services firm Juniper




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Scandal-plagued U.S. EPA chief Scott Pruitt resigns

His efforts to weaken pollution controls expected to endure




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BASF resumes some vitamin sales after plant fire




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Italmatch is sold by one private equity firm to another




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Multifunctional nanofibers filter dust and fight fire

Nylon 6 nanofibers contain flame-retardant core




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Golden times for electronic materials suppliers

As they ride the wave, several storm clouds emerge on the horizon




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London’s fishy fireball and festering fatberg




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Carisma Therapeutics raises $53 million for CAR-T alternative using macrophages




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Calculations suggest flea and tick medications for pets could benefit people by controlling mosquitoes

These drugs could have beneficial population-wide effects in areas at risk for malaria and Zika, according to modeling study




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Single atoms catalyze Suzuki reactions

Flow chemistry process takes place on carbon nitride surface