2016
DOI: 10.1002/bip.22777
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Interaction of cationic dodecyl‐trimethyl‐ammonium bromide with oxy‐HbGp by isothermal titration and differential scanning calorimetric studies: Effect of proximity of isoelectric point

Abstract: In this work, isothermal titration and differential scanning calorimetric methods, in combination with pyrene fluorescence emission and dynamic light scattering have been used to investigate the interaction of dodecyltrimethylammonium bromide (DTAB) with the giant extracellular Glossoscolex paulistus hemoglobin (HbGp) in the oxy-form, at pH values around the isoelectric point (pI ≈ 5.5). Our ITC results have shown that the interaction of DTAB with the hemoglobin is more intense at pH 7.0, with a smaller cac (c… Show more

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