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. 2023 Aug 1;15(8):2068. doi: 10.3390/pharmaceutics15082068

Table 3.

Apparent pKa of all LNP formulations via fluorescence-based 2-(p-toluidino)-6- naphthalene sulfonic acid (TNS) assay. Data presented as mean ± S.D., n = 3.

Formulation
(DODMA)
Apparent pKa Formulation
(MC3)
Apparent pKa
LNP 1 6.5 ± 0.0 LNP 5 6.7 ± 0.0
LNP 2 6.5 ± 0.1 LNP 6 6.6 ± 0.0
LNP 3 6.5 ± 0.2 LNP 7 6.5 ± 0.1
LNP 4 6.6 ± 0.1 LNP 8 6.5 ± 0.1