Colloidal Drug Delivery Systems with Liposomes
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Questions and Answers

What is the size range of liposomes?

  • 1-100 nm
  • 0.1-1 um
  • 1-10 um
  • 0.025-2.5 um (correct)

    • Why are liposomes considered versatile preparations?

  • They have a diameter of 2.5-5 um
  • They can only encapsulate hydrophilic drugs
  • They are composed of natural body constituents (correct)
  • They have an aqueous core surrounded by a single phospholipid bilayer membrane

    • What type of drugs can liposomes encapsulate?

  • Hydrophilic drugs only
  • Both hydrophilic and lipophilic drugs (correct)
  • Lipophilic drugs only
  • Hydrophobic drugs only

    • What advantage do liposomes offer for chemically labile drugs?

    <p>They protect the drugs from degradation</p> Signup and view all the answers

    How can liposomes be targeted to specific tissues?

    <p>By using specific ligands for targeting</p> Signup and view all the answers

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