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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Eur J Pharm Biopharm. 2013 Apr 6;85(2):306–313. doi: 10.1016/j.ejpb.2013.03.028

Fig. 1.

Fig. 1

Degradation of lyophilized DLPC samples containing ferrous ion. A- Measurement of DLPC remaining in lyophilized samples. Increasing DLPC degradation was observed as the ferrous ion concentration increased. The values represent the mean ±1 SEM of triplicate or quadruplicate determinations. * indicates statistical significance. p < 0.0001 B- TBARS measurement of degradation products in lyophilized samples. Increased product concentrations were detected as the concentration of ferrous ion increased. The values represent the mean ±1 SEM of triplicate or quadruplicate determinations. * indicates statistical significance. p < 0.0001