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. Author manuscript; available in PMC: 2009 Jul 1.
Published in final edited form as: Biochim Biophys Acta. 2008 Apr 18;1777(7-8):579–582. doi: 10.1016/j.bbabio.2008.04.016

Fig. 1.

Fig. 1

The viscosity of the buffer used to make single molecule rotation measurements (Rotation Buffer (50 mM Tris-Cl/pH 8.0, 10 mM KCl)) as a function of its percent composition of PEG 400 (vol/vol). The measurements were made using a Brookfield DV-E viscometer with a UL adapter at 28 °C.