A process and apparatus for the collection of biological materials from air. Collection and separation devices utilize a novel membrane structure formed from a functionalized inorganic mesoporous membrane supported by porous substrate.

 
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< Bag provided with means for the temporary association of a filter

< Hybrid spin-on filter

> Molecular imprinting of solute on cellulose/silica composite, and products and uses thereof

> Current and aeration system for wastewater plant
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