Author Archives: Mark Peplow

C&EN: X-rays activate cancer drug

Radiation removes molecular mask to free anti-cancer agent, offering simultaneous chemotherapy and radiotherapy with fewer side effects in mice.

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C&EN: COVID-19 test used in UK mass screening program receives stinging rebuke from FDA

US health agency’s warning for Innova raises fresh questions about efficacy of ‘Operation Moonshot’ antigen test.

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C&EN: Can industry decarbonize steelmaking?

Major steelmakers and disruptive start-ups look to hydrogen and renewable electricity to make green steel.

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C&EN: Polyacetylene comes full circle

Synthesis of cyclic polyacetylene offers fresh take on classic semiconducting polymer.

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C&EN: Catalytic patch activates cancer drug

Microneedle array carries palladium nanoparticles that switch on local melanoma treatment, avoiding side effects.

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C&EN: MXenes make durable solid lubricants

Titanium carbide nanosheets offer low friction and long-lasting wear resistance.

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C&EN: Tandem catalyst converts propane to propylene

Nanoparticles unite platinum and indium oxide catalysts for better yields at lower temperature.

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C&EN: Pesticide breakdown products found in hundreds of US streams

Extensive environmental survey of pesticides and their transformation products reveals potential for hidden toxicity.

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C&EN: Which air purification technologies can tackle COVID-19?

Air-cleaning devices that claim to remove SARS-CoV-2 have hit shelves, backed by varying levels of data.

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C&EN: Europium reveals billion-year pause in mountain formation

Chemical anomalies in zircons highlight hidden geology of the Proterozoic’s ‘boring billion,’ a time of evolutionary stasis.

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