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Thread: Complete removal of iron in haemoglobin (blood)

  1. #1 Complete removal of iron in haemoglobin (blood) 
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    Just curious... is there any way of completely removing the iron found in haemoglobin? For example, when you use luminol to track presence of blood due to the iron found in haemoglobin..... any ways? Tried googling but only found removal of excess iron =/


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    Universal Mind John Galt's Avatar
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    If you removed the iron from hemoglobin then it would no longer be hemoglobin. Is that what you are aiming for? I am sure there would be a series of reaction by which this could be achieved.


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    I was reading up about luminol reacting with iron in haemoglobin to give off that blue glow... was thinking if there was no iron located in the haemoglobin, will the luminol be unable to detect the blood.... omg i sound like a murderer....
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    Universal Mind John Galt's Avatar
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    I'm guessing here: the luminol is probably not reacting to the iron, but to the iron in the hemoglobin. In other words iron present in other forms perhaps does not react. So in that case removal of the iron from the hemoglobin would prevent the reaction, but as I noted you would then no longer have hemoglobin.

    .... omg i sound like a murderer....
    I did wonder!

    Warning: biochemistry is not my field so my comments are weak guess - apart from the fact that hemoglobin without iron is hemoglobin. As a complete aside I find it interesting that the structure of chlorophyll is very similar, but the key metallic atom in that is magnesium.
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  6. #5  
    Life-Size Nanoputian Flick Montana's Avatar
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    The iron in the blood is actually acting as a catalyst. It's not part of the reaction. I believe luminol is used in conjunction with hydrogen peroxide. The normal solution does not react, but the iron catalyzes the solution. Oxygen changes n levels and emits a photon. That is why it becomes visible.

    I'm not sure I could help you with the task of removing iron from the blood, however. Not something I've ever really considered.
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