Citation: WANG Yuan-You, HUA Wei, LIU Tian-Qing. Structural Property of Hemoglobin in Span 80/PEG 400/H2O Niosome System[J]. Acta Physico-Chimica Sinica, ;2011, 27(08): 1907-1912. doi: 10.3866/PKU.WHXB20110822 shu

Structural Property of Hemoglobin in Span 80/PEG 400/H2O Niosome System

  • Received Date: 28 February 2011
    Available Online: 21 June 2011

    Fund Project: 国家自然科学基金(20573091)资助项目 (20573091)

  • The structural property of hemoglobin (Hb) was studied in detail by UV-Vis absorption, fluorescence, circular dichroism, negative staining-transmission electron microscopy (NS-TEM), and freeze etching-transmission electron microscopy (FE-TEM) techniques using a Span 80/PEG 400/H2O niosome system. The obtained results show that Hb is adsorbed onto the surface of niosome. The peptide chain of Hb spreads out and the apparent radius of the niosome, the intensities of the UV-Vis absorption peaks, and the fluorescence peaks increase. For the second structural parameter of Hb, the α-helix content decreases but the β-sheet and β-turn content increases. The stability of Hb varies with that of the niosome.

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