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BIOINORGANIC CHEMISTRY



 Bioinorganic chemistry: photosystems, porphyrins, metalloenzymes, oxygen transport, electron- transfer reactions; nitrogen fixation, metal complexes in medicine.
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Bioinorganic chemistry is a field that examines the role of metals in biology. Bioinorganic chemistry includes the study of both natural phenomena such as the behavior of metalloproteins as well as artificially introduced metals, including those that are non-essential, in medicine and toxicology."
-CHEMISTRYABC.COM 
Study of metal species in biological systems
  1. metal ion transport and storage,
  2. Metallohydrolase enzymes,
  3. metal-containing electron transfer proteins,
  4. oxygen transport and activation proteins,
  5. bioorganometallic systems such as hydrogenases and alkyltransferases,
  6. enzymes involved in nitrogen metabolism pathways.    

Chemical elements essential to life forms can be divided into the following
(i) Bulk elements: C, H, N, O, P, S
(ii) Macrominerals and ions: Na, K, Mg, Ca, Cl, PO4
3-, SO4
2-
(iii) Trace elements: Fe, Zn, Cu
(iv) Ultratrace elements comprises of
(a) non-metals: F, I, Se, Si, As, B
(b) metals: Mn, Mo, Co, Cr, V, Ni, Cd, Sn, Pb, Li


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