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. Author manuscript; available in PMC: 2019 May 16.
Published in final edited form as: Biomed Pharmacother. 2017 May 27;92:394–402. doi: 10.1016/j.biopha.2017.05.093

Fig. 3.

Fig. 3.

Lupeol-loaded PLGA ocular implants FTIR spectrum. Samples were evaluated using the attenuated total reflectance (ATR) technique. Each spectrum was a result of 32 scans with a resolution of 4 cm−1, between ranging 4000–650 cm-1.