Thus, biopharmaceutics involves factors that influence the:

1) #protection and #stability of the drug within the product
2) the #rate of drug release from the product
3) the #rate of dissolution of the drug at the absorption site
4) the #availability of the drug at its site of action

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#exit_exam TIP

#Dissolution → Noyes–Whitney
#Buffers/pH → Henderson–Hasselbalch
#Stability → Arrhenius
#Drug degradation → Zero & First order
#Shelf life → Half-life equation

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@PharmacyRxplus