All Feature articles – Page 25

  • Plastic waste
    Feature

    Potato packaging

    2009-11-01T00:00:00Z

    Chemists design new plastics from natural carbohydrates

  • Figure 1 - Generation and collapse of an acoustic cavitation bubble
    Feature

    Sonochemistry - beyond synthesis

    2009-09-01T00:00:00Z

    Sonochemistry, the use of sound energy to induce physical or chemical changes within a medium, has a growing number of applications in fields such as medicine and nanotechnology

  • Silk moth, Bombyx mori
    Feature

    In pursuit of Bombykol

    2009-09-01T00:00:00Z

    In 1959 Aldoph Butenandt identified and synthesised the first pheromone, bombykol. Since then scientists have discovered how male silkworm moths receive this chemical message

  • students in lab
    Feature

    Why does cotton feel 'cool'?

    2009-09-01T00:00:00Z

    An investigation into the structure and properties of cellulose that make cotton clothes feel 'cool' provides a real context for undergraduate spectroscopy lab work

  • Joseph Lister
    Feature

    Solving an infectious problem

    2009-09-01T00:00:00Z

    Joseph Lister's use of phenol as an antiseptic revolutionised surgical practice in the 19th century. But was he the first to use this antiseptic technique?

  • image - Feaure - Hargreaves - main
    Feature

    Catalysts for a green industry

    2009-07-01T00:00:00Z

    Chemists are working to develop new, longer-lasting catalysts to ensure industrial processes are cleaner, greener and more efficient

  • Boltzmann distribution of the number of particles with energy E at low, medium and high temperatures
    Feature

    What is entropy?

    2009-07-01T00:00:00Z

    What's the best way to introduce to your students this most misunderstood of thermodynamic properties?

  • image - Feature - Mann - main - mould on fruit
    Feature

    Survival of the fittest

    2009-07-01T00:00:00Z

    Examples of natural products produced by organisms and plants to overcome competing species and predators provide chemical evidence for Darwin's legacy of natural selection

  • Green fluorescent protein
    Feature

    Fluorescence lifetime imaging microscopy

    2009-07-01T00:00:00Z

    Scientists are using this non-invasive technique to cast light on the workings of living cells to learn more about the molecular mechanisms involved in cancer, allergies and immune responses

  • A glass of whiskey
    Feature

    The public analyst

    2009-05-01T00:00:00Z

    Analytical chemists ensure everything, from food and drinks, through toys and household chemicals, to air quality and even suspicious powders present no danger to humans

  • Hydrate flame
    Feature

    Burning ice in the Arctic

    2009-05-01T00:00:00Z

    Is methane trapped in ice, deep in the Arctic ocean, a potential clean energy source for the future, or will its release lead to catastrophic climate change?

  • Electrical discharges from the nerve cells in the brain
    Feature

    Epilepsy - beyond bromide

    2009-05-01T00:00:00Z

    An historical journey into the treatment of epilepsy, starting with potassium bromide 150 years ago

  • rubbish tip
    Feature

    Biofuels: the next generation

    2009-05-01T00:00:00Z

    Chemists look to develop second-generation biofuels made from dead wood, algae and genetically-engineered microorganisms

  • A farmer spraying his crop to protect it from insects
    Feature

    Crop protection chemicals

    2009-03-01T00:00:00Z

    By 2030, the world's population is expected to rise to over eight billion - the need for safe and environmentally friendly crop protection chemical has never been greater

  • image - Features - Cotton - main
    Feature

    If it smells - it's chemistry

    2009-03-01T00:00:00Z

    Smell is the most chemical of all the senses - but what's the theory behind the practice?

  • Figure 1 - Can you see a face in this photo?
    Feature

    Intuitive thinking and learning chemistry

    2009-03-01T00:00:00Z

    Understanding students' intuitions about the world could provide insight into their misconceptions of chemical concepts

  • image - Features - Habashi - main
    Feature

    Ida Noddack and the missing elements

    2009-03-01T00:00:00Z

    Distinguished women chemists were rare in the early 20th century, but their contributions to chemistry are of great significance. Ida Noddack's scientific career centred around her intensive study of the Periodic Table, and resulted in her discovery, with husband Walter Noddack and physicist Otto Berg, of the metal rhenium, and of nuclear fission in the search for element 93. 

  • image - feature - walker - main 1
    Feature

    Investigations get real

    2009-01-01T00:00:00Z

    What real chemists do can be the basis of motivating investigations and learning in school chemistry

  • image - feature - dhume-klair - main 1
    Feature

    Microbial iron scavengers

    2009-01-01T00:00:00Z

    Medicinal and analytical chemists take their cue from micro-organisms' ability to bind to iron in the design of new drugs and sensors

  • German chemist Paul Rabe
    Feature

    Jesuits' powder and quinine

    2009-01-01T00:00:00Z

    The powdered bark of the South American cinchona tree is the source of quinine - the mainstay treatment for malaria for centuries