Metabolic energy

  1. Feb 25, 2014 #1
    Is there any possibility to elicit a chemical reaction of enzymes or any biocatalyst due to the response of rf energy or even high intensity light?
     
  2. jcsd
  3. Feb 26, 2014 #2

    Nugatory

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    Staff: Mentor

    Suntanning? Photosynthesis in plants? I'm not sure what you're asking for here....
     
  4. Feb 26, 2014 #3
    Could I speed up a metabolic process using radiated energy? If you need an example so badly, , say speeding up the ripeness to rancidity progression of fruit using rf energy?
     
  5. Feb 26, 2014 #4

    Ryan_m_b

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    Staff: Mentor

    The only proven effect of radio waves on biological tissue is to heat it up. So yeah it's possible to alter chemical reactions in biological tissue by changing the temperature but radio waves would be an incredibly inefficient way of doing that.

    Also please mind your tone. Asking for examples of what you mean is a necessary step to answering the question in a meaningful manner.
     
  6. Feb 26, 2014 #5

    Ygggdrasil

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    A major area of research in biology is figuring out how to control the activity of proteins using visible light. This field, called optogenetics, involves finding/engineering proteins that respond to light and using them to control various biological processes. Most of the effort in this field has been on using light-sensitive ion channels (e.g. channelrhodopsin) to control the activity of neurons, but some groups have developed optogenetic means to control the activity of enzymes. Some of these studies control enzyme activity indirectly by using a pair of proteins whose interaction is dependent on light (for example, see Levskaya et al 2009. Spatiotemporal control of cell signalling using a light-switchable protein interaction. Nature 461: 997 doi:10.1038/nature08446), while others engineer enzymes whose activity is more directly controlled by light (for example, see Wu et al 2009 A genetically encoded photoactivatable Rac controls the motility of living cells. Nature 461: 104 doi:10.1038/nature08241).

    Currently, optogenetic approaches work only for visible light (for an explanation why see this post). I do not know of any approaches to control the activity of biological molecules using rf radiation.
     
    Last edited: Feb 26, 2014
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