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January 18, 2017
Colors from silver.
Colors from silver.
Silver nanoparticles ink-jet printed on patterned polymer sheets could be a fast, cheap way to make security stamps for authenticating documents.
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How a thin film helped detect gravitational waves.
COATINGS
How a thin film helped detect gravitational waves.
Specialized mirror coatings recently allowed physicists to confirm Einstein's century-old prediction. C&EN looks at how the coatings work—and how they might be improved.
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Sweeter hookups between sugars, thanks to a macrocyclic catalyst.
CATALYSIS
Sweeter hookups between sugars, thanks to a macrocyclic catalyst.
Bis-thiourea compound helps stereospecifically build β-glycoside sugar linkages.
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Braiding a molecular knot.
SYNTHESIS
Braiding a molecular knot.
Chemists up the complexity of these tangled structures by weaving three strands together instead of just two.
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MOLECULAR ELECTRONICS
The molecular computer, rebooted.
The idea of using single molecules as key components in computers has been around for more than 40 years. What progress is it making?
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Coupling Mass Detection with UV to Improve Method Sensitivity in the Analysis of Genotoxic Impurities
Genotoxic impurities (GTIs) are intermediates or reactants that can develop during the synthesis of a drug substance. In addition to process impurities, certain drugs may generate GTIs via degradation during formulation or storage...
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FEATURED INFOGRAPHIC
How do evergreen trees stay so green and lovely all winter long?
PERIODIC GRAPHICS
How do evergreen trees stay so green and lovely all winter long?
C&EN's Periodic Graphics has the chemistry.
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In other news
CHEMICAL REGULATION
EPA cranks out toxics rules during Obama's last days in office.
Agency proposes processes for identifying and evaluating high-risk chemicals.
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For U.S. science policy, big shift ahead.
POLICY
For U.S. science policy, big shift ahead.
Here's how Congress and Trump could affect the chemistry enterprise.
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Grad students & postdocs: Are you a Future Leader?
ACS NEWS
Grad students & postdocs: Are you a Future Leader?
Applications are being accepted for the 2017 SciFinder Future Leaders program, organized by CAS, a division of the American Chemical Society.
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A tale of serendipitous carbohydrate crystals.
CHEMISTRY IN PICTURES
A tale of serendipitous carbohydrate crystals.
University of Glasgow chemist Ross Forgan discovered this 19-g crystal—presumably of sucrose—inside an old bottle of maple syrup. "I could hear something rattling inside but only when I went to throw it away did I actually have a look," he tells C&EN. "The block of crystals was so big that I had to cut the bottle open to get it out!" Read more about how serendipitous crystallization has shaped Forgan's research at C&EN's Chemistry in Pictures.
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