17. Ancient pigments

Flere episoder fra "Botanic Garden Chemistry Audio Tour"

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  21. Thank you and goodbye

  18.10.2012

  0:20

  Thank you for exploring the Botanic Garden with our group of plant loving chemists.
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  20. Pigments from plants

  18.10.2012

  1:10

  One small part of the plant kingdom makes a different type of pigment to all the rest.
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  19. Plants in extreme environments

  18.10.2012

  0:41

  How plants manage to photosynthesise in extreme environments.
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  18. Why are plants green?

  18.10.2012

  1:16

  Why chlorophyll and hence plants, looks green.
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  17. Ancient pigments

  18.10.2012

  2:36

  How chemistry can change the colour of dye molecules from plants.
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  16. Nitrogen fixation

  18.10.2012

  1:16

  Hear about natures natural nitrogen fixers.
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  15. Nitrogen uptake by plants

  18.10.2012

  0:53

  Why nitrogen is important to plants and the communities of microorganisms living in the soil.
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  14. The caramel tree

  18.10.2012

  2:55

  Why the Katsura tree smells of caramel and how analytical techniques have solved the problem of what is responsible for the smell.
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  13. New medicines from plants

  18.10.2012

  1:05

  Many modern medicines are derived from plants.
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  12. Healing molecules or poisonous plants?

  18.10.2012

  2:22

  The notorious history of healing molecules. Many molecules from plants can be used as medicines but are also toxic if the dose is too large.