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. 2021 Dec 14;13(12):2151. doi: 10.3390/pharmaceutics13122151

Table 1.

Summary of the different properties of antibiotics used in this study. (NA = not available).

Properties Vancomycin Clindamycin Gentamicin
Molecular weight (g/moL) 1485.7 461.4 575.67
Isoelectric point (pI) 8.1 [51] NA 9.5 [51]
pKa (strongest acidic) * 2.99 12.16 12.55
pKa (strongest basic) * 9.93 7.55 10.18

* Predicted values; source: https://hmdb.ca/ (accessed on 2 August 2021).