US Patent 11666924 Apparatus and methods for selectively transmitting objects

Apparatuses and methods for selectively transmitting objects of interest from a first reservoir to a second reservoir are disclosed. The apparatuses include electromagnetic focusing apparatuses configured to interact with objects of interest to induce a change in a property of the objects of interest so as to increase or decrease the probability that the objects of interest pass through a throat diffusively coupling the first reservoir and the second reservoir.