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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Solid State Nucl Magn Reson. 2019 Apr 17;100:92–101. doi: 10.1016/j.ssnmr.2019.04.003

Figure 2.

Figure 2.

Room temperature (23 °C) X-band (9.5 GHz) CW EPR spectra of nitrogen equilibrated 1 mM chloroform solutions of ToSMTSL (A) and ToSMTSL-PTE (B). EPR spectra of aqueous suspension of multilamellar lipid vesicles (10 w% of lipids, 24 mM CHES buffer, 10 mM NaCl, pH=9.0) prepared from the mixture of DMPC:DMPA (9:1 w:w) and ToSMTSL-PTE at 0.5 mol% measured at 23 °C (C) and 55 °C (D). (E) is a simulated broad component attributable to ToSMTSL-PTE and (F) is the difference spectrum characteristic of a nitroxide biradical partitioning between the lipid and the aqueous bilayer phases. All spectra are normalized by peak-to-peak amplitude and magnetic field positions are adjusted by g-factors.