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Charge-Transfer Interactions Induce Surface Dependent Conformational Changes In Apolipoprotein Biocorona, Achyut J. Raghavendra, Nasser Alsaleh, Jared M. Brown, Ramakrishna Podila
Charge-Transfer Interactions Induce Surface Dependent Conformational Changes In Apolipoprotein Biocorona, Achyut J. Raghavendra, Nasser Alsaleh, Jared M. Brown, Ramakrishna Podila
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Upon introduction into a biological system, engineered nanomaterials (ENMs) rapidly associate with a variety of biomolecules such as proteins and lipids to form a biocorona. The presence of “biocorona” influences nano–bio interactions considerably, and could ultimately result in altered biological responses. Apolipoprotein A-I (ApoA-I), the major constituent of high-density lipoprotein (HDL), is one of the most prevalent proteins found in ENM-biocorona irrespective of ENM nature, size, and shape. Given the importance of ApoA-I in HDL and cholesterol transport, it is necessary to understand the mechanisms of ApoA-I adsorption and the associated structural changes for assessing consequences of ENM exposure. Here, …