We know that now a days, the hollow core shell materials are popular due to their applications in drug delivery system. As they can separate molecules based on their pore size, can we call it as meso to macro molecular sieves? However, I have not seen this material called a molecular sieve anywhere in literature? Why is this so?
I hope this should be called as Macro or ultra macro molecular sieves.
Dear Venkatathri;
generally hollow core shell contains only one macro compartement (kwowing the possible existance on multicompartment architecture for example the case of dendrimers), beside I think no selectivity for molecular entrapment, on the other hand, molecular sieves are very porous structures going almost to molecular-aggregates dimensions, in addition to their selectivity in entrapping molecules. So for this I don't thik that core-shell materials may be considered as efficient molecular sieves. I am really open mind to hear and know the opposite. Regards
A sieve in the typical sense means a sheet of a porous material. A hollow core shell particle, in particular for the application of drug delivery, are independent particles, and thus I do not believe they can be used for the filtration of materials based on size.
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