Category Chemistry/Nanotechnology

Chemical Synthesis Breakthrough holds promise for Future Antibiotics

Graphical abstract: Total synthesis of micrococcin P1 and thiocillin I enabled by Mo(vi) catalyst

 Total synthesis of micrococcin P1 and thiocillin I enabled by Mo(vi) catalystChemical Science, 2019; DOI: 10.1039/C8SC04885A

University of Colorado Boulder chemistry researchers have developed a novel way to synthesize and optimize a naturally-occurring antibiotic compound that could one day be used to fight lethal drug-resistant infections such as Staphylococcus aureus, commonly known as MRSA.

Antibiotic-resistant infections afflict over 2 million people annually and result in over 23,000 deaths in the U.S. each year, according to the Centers for Disease Control and Prevention (CDC). A 2018 study by the CDC’s European counterpart found that drug-resistant superbugs were responsible for 33,000 deaths across Europe in 2015.

Researchers have previously identified thiopepti...

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A Lung-inspired design turns Water into Fuel


This image shows the similarities between the exchange of gases in mammalian lungs and a newly developed mechanism to turn water into fuel.
Credit: Li et al. / Joule

Scientists at Stanford University have designed an electrocatalytic mechanism that works like a mammalian lung to convert water into fuel. Their research, published December 20 in the journal Joule, could help existing clean energy technologies run more efficiently.

The act of inhaling and exhaling is so automatic for most organisms that it could be mistaken as simple, but the mammalian breathing process is actually one of the most sophisticated systems for two-way gas exchange found in nature...

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Mighty Morphing materials take complex shapes

A face made of a unique polymer at Rice University takes shape when cooled and flattens when heated. The material may be useful in the creation of soft robots and for biomedical applications.
Credit: Jeff Fitlow/Rice University

Sophisticated shape-shifters for soft robots, biomedical applications. Rice University scientists have created a rubbery, shape-shifting material that morphs from one sophisticated form to another on demand.

The shapes programmed into a polymer by materials scientist Rafael Verduzco and graduate student Morgan Barnes appear in ambient conditions and melt away when heat is applied. The process also works in reverse.

The smooth operation belies a battle at the nanoscale, where liquid crystals and the elastomer in which they’re embedded fight for control...

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New Houseplant can Clean your Home’s Air


Researchers at the University of Washington have genetically modified a common houseplant — pothos ivy — to remove chloroform and benzene from the air around it.
Credit: Mark Stone/University of Washington

Researchers have genetically modified a common houseplant to remove chloroform and benzene from the air around it. Small molecules like chloroform, which is present in small amounts in chlorinated water, or benzene, which is a component of gasoline, build up in our homes when we shower or boil water, or when we store cars or lawn mowers in attached garages. Both benzene and chloroform exposure have been linked to cancer.

Now researchers at the University of Washington have genetically modified a common houseplant – pothos ivy – to remove chloroform and benzene from the air aroun...

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