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Biological Applications of Hydrophilic C60 Derivatives (hC60s)− a structural perspective

Abstract : Reactive oxygen species (ROS) generation and radical scavenging are dual properties of hydrophilic C60 derivatives (hC60s). hC60s eliminate radicals in dark, while they produce reactive oxygen species (ROS) in the presence of irradiation and oxygen. Compared to the pristine C60 suspension, the aqueous solution of hC60s is easier to handle in vivo. hC60s are diverse and could be placed into two general categories: covalently modified C60 derivatives and pristine C60 solubilized non-covalently by macromolecules. In order to present in detail, the above categories are broken down into 8 parts: C60(OH)n, C60 with carboxylic acid, C60 with quaternary ammonium salts, C60 with peptide, C60 containing sugar, C60 modified covalently or non-covalently solubilized by cyclodextrins (CDs), pristine C60 delivered by liposomes, functionalized C60-polymer and pristine C60 solubilized by polymer. Each hC60 shows the propensity to be ROS producer or radical scavenger. This preference is dependent on hC60s structures. For example, major application of C60(OH)n is radical scavenger, while pristine C60/γ-CD complex usually serves as ROS producer. In addition, the electron acceptability and innate hydrophobic surface confer hC60s with O2 uptake inhibition, HIV inhibition and membrane permeability. In this review, we summarize the preparation methods and biological applications of hC60s according to the structures.
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Submitted on : Monday, March 14, 2016 - 4:45:11 PM
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Xiaolei Zhu, Matthieu Sollogoub, Yongmin Zhang. Biological Applications of Hydrophilic C60 Derivatives (hC60s)− a structural perspective. European Journal of Medicinal Chemistry, Elsevier, 2016, 115, pp.438-452. ⟨10.1016/j.ejmech.2016.03.024⟩. ⟨hal-01288178⟩

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