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X‐ray photoelectron spectroscopy (XPS) and time‐of‐flight secondary ion mass spectrometry (ToF‐SIMS) were used to characterize human serum albumin (HSA) adsorption on polycarbonate membranes: a native PC membrane (PC) and a hydrophilic treated one (PC Ox/PVP ). Principal component analysis was used to reveal the difference in the amount of HSA adsorbed on the two substrates. The treated membrane was found to have a lower affinity for albumin than the native one.
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Henry et al. (2004) studied this question.
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