Which of the following is a characteristic of the parental controlled drug release system by liposomes?(a) Free flowing powders(b) Aqueous solutions(c) Lipid bilayer enclosing the drug(d) Administration of emulsionsThe question was posed to me during an online interview.This question is from Biopharmaceuticals topic in chapter Biopharmaceuticals of Drug Biotechnology

Which of the following is a characteristic of the parental controlled

1.	Which of the following is a characteristic of the parental controlled drug release system by liposomes?(a) Free flowing powders(b) Aqueous solutions(c) Lipid bilayer enclosing the drug(d) Administration of emulsionsThe question was posed to me during an online interview.This question is from Biopharmaceuticals topic in chapter Biopharmaceuticals of Drug Biotechnology
Answer» Correct answer is (c) Lipid bilayer enclosing the drug Easy explanation: It is defined as the vesicle of lipid bilayers enclosing an aqueous compartment. Most COMMONLY phospholipids, SPHINGOLIPIDS, glycolipids are used to prepare liposomes. Their SIZE ranges from 25 to 5000 nm. A large variety of drugs, peptides or proteins INCLUDING antibodies and VIRUSES and bacteria can be incorporated into liposomes.

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