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Default Insights into the stabilization of interferon alpha by two surfactants revealed by STD-NMR spectroscopy

Insights into the stabilization of interferon alpha by two surfactants revealed by STD-NMR spectroscopy

Surfactants are commonly used in biopharmaceutical formulations to stabilize proteins against aggregation. However, the choice of a suitable surfactant for a particular protein is decided mostly empirically, and their mechanism of action on molecular level is largely unknown. Here we show that a straightforward label-free method, saturation transfer difference (STD) nuclear magnetic resonance (NMR) spectroscopy, can be used to detect protein-surfactant interactions in formulations of a model...

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