Which of the following is a characteristic of nanoparticles?(a) Free flowing powders(b) Aqueous solutions(c) Control drug release by partitioning the drug from the oil(d) Size range 10-100 nmThis question was posed to me in an online quiz.Enquiry is from Biopharmaceuticals in chapter Biopharmaceuticals of Drug Biotechnology

Which of the following is a characteristic of nanoparticles?(a) Free f

1.	Which of the following is a characteristic of nanoparticles?(a) Free flowing powders(b) Aqueous solutions(c) Control drug release by partitioning the drug from the oil(d) Size range 10-100 nmThis question was posed to me in an online quiz.Enquiry is from Biopharmaceuticals in chapter Biopharmaceuticals of Drug Biotechnology
Answer» The CORRECT OPTION is (d) SIZE range 10-100 nm For explanation I would say: Nanoparticles are called as nanospheres when the drug is in the polymer matrix and nanocapsules when they are encapsulated. They DIFFER from microspheres to nano size with size 10-1000nm. The polymers used are BIODEGRADABLE ones.

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