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  Name that scotch: Colorimetric recognition of aldehydes and ketones

  12 hours ago

  Vodka tastes different from brandy, and connoisseurs can distinguish among different brands of whiskeys. The flavors of spirits result from a complex bouquet of volatile compounds. New colorimetric sensor arrays on disposable ...

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  Probing the pores in membrane vesicles

  18 hours ago

  Ion channels in the membrane vesicles that mediate intracellular protein transport play a crucial role in cell physiology. A method developed by an Ludwig-Maximilians-Universitaet (LMU) in Munich team now allows them to be ...

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  How enzymes produce hydrogen

  18 hours ago

  Researchers at Ruhr-Universität Bochum and the Freie Universität Berlin have clarified the crucial catalytic step in the production of hydrogen by enzymes. The enzymes, called [FeFe]-hydrogenases, efficiently turn electrons ...

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  How scientists invent new colours

  18 hours ago

  For tens of thousands of years, humans have created colours through simple chemistry. At first we used dyes found in nature such as berries and charcoal. Later, new pigments were synthesised in the lab.

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  Bioinformatics computer programs help biologists understand intrinsically disordered proteins

  20 hours ago

  Proteins are the building blocks of life and biological agents. They are drivers of growth and development and the spread of viruses and bacteria, and have key roles in disease pathways and virtually all cellular functions. ...

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  Genetically engineered yeast soak up heavy metal pollution

  21 hours ago

  Environmental contamination with heavy metals is often the result of various types of industrial processes. Because heavy metals can be dangerous to humans and other wildlife, contaminated sites need to be cleaned up. This ...

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  Hydrogen production in a confined space

  22 hours ago

  National University of Singapore chemists have developed a method to confine noble metal nanoparticles in layered, quasi-two-dimensional (2-D) materials for efficient hydrogen production.

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  Battery breakthrough using 2016 Nobel Prize molecule

  22 hours ago

  Silicon anodes are receiving a great deal of attention from the battery community. They can deliver around three to five times higher capacity compared with those using current graphite anodes in lithium ion batteries. A ...

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  3-D imaging of surface chemistry in confinement

  Jul 20, 2017

  EPFL researchers have developed an optical imaging tool to visualize surface chemistry in real time. They imaged the interfacial chemistry in the microscopically confined geometry of a simple glass micro-capillary. The glass ...

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  Scientists design promising new cathode for sodium-based batteries

  Jul 20, 2017

  Scientists have designed a new type of cathode that could make the mass production of sodium batteries more feasible. Batteries based on plentiful and low-cost sodium are of great interest to both scientists and industry ...