科学与环境

Atomic magnetism reveals why iron, but not chromium, can produce ammonia using sunlight

来源: Phys.org - latest science and technology news stories · 发布于

Atomic magnetism reveals why iron, but not chromium, can produce ammonia using sunlight
来源: Phys.org - latest science and technology news stories

Two nearly identical materials have completely different chemical behavior. Research teams at the University of Vienna and TU Wien studied catalysts that use the energy of sunlight to produce ammonia. Surprisingly, when the three iron atoms that form tiny triangles in these catal

Two nearly identical materials have completely different chemical behavior. Research teams at the University of Vienna and TU Wien studied catalysts that use the energy of sunlight to produce ammonia. Surprisingly, when the three iron atoms that form tiny triangles in these catalysts are replaced by chromium atoms, the chemical reaction no longer takes place.

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Customizable DNA labels can selectively guide drug carriers to cancer cells
科学与环境

Customizable DNA labels can selectively guide drug carriers to cancer cells

Cells naturally send tiny packages to one another to share information. Researchers at Carnegie Mellon University have developed a simple, low-cost way to turn those packages into drug carriers that can deliver treatments directly to cancer cells, potentially improving effectiven

Phys.org - latest science and technology news stories ·

Humidity can change how smoke pollutants transform after dark
科学与环境

Humidity can change how smoke pollutants transform after dark

What happens to smoke particles after sunset can depend strongly on something as familiar as the amount of water in the air. New research from Md. Sohel Rana and Marcelo I. Guzman at the University of Kentucky shows that relative humidity can redirect the chemical pathways involv

Phys.org - latest science and technology news stories ·

Do spiders dream? Scientists just found a surprising clue
科学与环境

Do spiders dream? Scientists just found a surprising clue

Scientists have discovered that spiders may sleep in ways surprisingly similar to humans, complete with distinct sleep stages and a dream-like REM state. Researchers at the University of Bonn studied the Australian jumping spider Portia fimbriata, a remarkably clever hunter known

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