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. 2012 Aug;140(2):109–137. doi: 10.1085/jgp.201210802

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© 2012 DiFranco et al.

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Figure A1. — Fluorescence intensity depth profile of the objective (USAPO 100XO; Olympus) used in the current experiments. Data points represent normalized mean fluorescence (three trials). The data symbols span the error range.