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. Author manuscript; available in PMC: 2018 Oct 30.
Published in final edited form as: Int J Pharm. 2017 Sep 14;532(1):555–572. doi: 10.1016/j.ijpharm.2017.09.018

Figure 7.

Figure 7

A summary of mucus viscosity measurements as a function of shear rate performed on a variety of mucus secretions from different species, using various methodologies (source references cited in reference (Cone, 2005)). Viscosity decreases as shear rate increases, characteristic of a shear thinning behavior. At maximum physiological rates, mucus approaches the viscosity of water. Recovery after a removal of the shear rate is not depicted in the figure. Reprinted from reference (Cone, 2005), with permission from Elsevier.