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  • Title: XANES spectroscopy sensitivity to small electronic changes. Case of carp azidomethemoglobin.
    Author: Pin S, Le Tilly V, Alpert B, Cortes R.
    Journal: FEBS Lett; 1989 Jan 02; 242(2):401-4. PubMed ID: 2914617.
    Abstract:
    Spin states equilibrium of hemoglobin-iron varies with external conditions: pH, allosteric effectors, temperature. The small electronic reorganization of the iron caused by the spin state changes has been detected by X-ray absorption near edge structure (XANES) spectroscopy at room temperature. The iron K-edge region which is sensitive to spin state is located in 7110-7130 eV. Here are presented the 100% high spin and 100% low spin XANES spectra of carp azido ferric hemoglobin.
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