Related topics: catalyst · molecules · enzyme · atoms · fuel cell

Self-folding origami machines powered by chemical reactions

A Cornell-led collaboration harnessed chemical reactions to make microscale origami machines self-fold—freeing them from the liquids in which they usually function, so they can operate in dry environments and at room temperature.

Ultrafast X-ray spectroscopy: Watching molecules relax in real time

Designing the next generation of efficient energy conversion devices for powering our electronics and heating our homes requires a detailed understanding of how molecules move and vibrate while undergoing light-induced chemical ...

Extinct offshore volcano could store gigatons of carbon dioxide

A new study published in Geology concludes that an extinct volcano off the shore of Portugal could store as much as 1.2–8.6 gigatons of carbon dioxide, the equivalent of ~24–125 years of the country's industrial emissions.

AI predicts the function of enzymes

Enzymes are the molecule factories in biological cells. However, which basic molecular building blocks they use to assemble target molecules is often unknown and difficult to measure. An international team including bioinformaticians ...

Hijacking strategy mapped for hundreds of viruses

One strategy that viruses use to take over a host cell is to mimic small parts of the cell's proteins called motifs. In a new study coordinated from Uppsala University, researchers have used a new method and doubled the available ...

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Chemical reaction

A chemical reaction is a process that always results in the interconversion of chemical substances. The substance or substances initially involved in a chemical reaction are called reactants. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants. Classically, chemical reactions encompass changes that strictly involve the motion of electrons in the forming and breaking of chemical bonds, although the general concept of a chemical reaction, in particular the notion of a chemical equation, is applicable to transformations of elementary particles, as well as nuclear reactions. Different chemical reactions are used in combination in chemical synthesis in order to get a desired product. In biochemistry, series of chemical reactions catalyzed by enzymes form metabolic pathways, by which syntheses and decompositions ordinarily impossible in conditions within a cell are performed.

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