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What is difference between micro- and nano-encapsulation - (Aug/18/2014 )

Dear all, 

 

I always heard about microencapsulation of probiotic cells. May I know is there any technique can form nanoencapsuted cells instead of micro- size? Besides that, what does it mean by microencapsulation? Is it necessary must corporate with freeze dry/ spray dry process in order to form the cells protective layer? Thanks. 

-Celz-

Think it would be tough to "encapsulate" a microbe(s) of around a micrometer in  a particle of ~ a nanometer.

-Phil Geis-