Drug delivery across biological barriers refers to the process of transporting therapeutic agents, such as drugs or biologics, across physiological barriers in the body to reach their target site of action. Biological barriers serve to protect and regulate the internal environment of the body, but they can also pose challenges for drug delivery by limiting the passage of molecules. Overcoming these barriers is crucial for ensuring effective drug delivery and therapeutic efficacy. Here's an overview of some common biological barriers and strategies for drug delivery across them:
Common Biological Barriers
Chemical Modification:
Challenges and Considerations
Future Directions
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