Table 5.

pH Associated with Different Cellular Compartments and Tissues (Adopted from [192,193,199]).

Cellular Compartment/Tissue	pH
Early endosome	6.0–6.5
Late endosome	5.0–6.0
Lysosome	4.5–5.0
Golgi	6.4
Stomach	1.0–3.0
Duodenum	4.8–8.2
Colon	7.0–7.5
Blood	7.35–7.45
Tumor	6.5–7.2