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. Author manuscript; available in PMC: 2014 Dec 6.
Published in final edited form as: J Chromatogr A. 2013 Oct 5;1319:46–56. doi: 10.1016/j.chroma.2013.10.003

Figure 6.

Figure 6

SEM images of Q (a and b) and STAR AX (c and d) HyperCel at higher magnification. a and c show the resin chemically fixed with OsO4; b and d show resin without chemical fixation.