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. Author manuscript; available in PMC: 2022 Mar 1.
Published in final edited form as: Int J Pharm. 2021 Jan 22;596:120206. doi: 10.1016/j.ijpharm.2021.120206

Fig. 7.

Fig. 7.

Taste evaluation of lopinavir (LPV) and ritonavir (RTV) nanoparticles (NP). (A) Principal component analysis (PCA) chart of taste evaluation using an e-tongue for blank NP, lopinavir (LPV) and ritonavir (RTV) NP or solutions, and Kaletra®. (B) In vitro leakage study of lyophilized LPV- and RTV-NP in 60 mM PBS (pH 6.8) at 37 °C (n = 3).