Particulate nanosorting stack

摘要

Methods and devices for isolating and sorting nanoparticles are disclosed herein. Nanopores of a desired size can be formed in silicon dioxide membranes and used as filters to separate nanoparticles. Devices are also provided herein for sorting nanoparticles with multiple filters having various sized nanopores.

主权项

1. A filter comprising two or more nanopores, wherein each of the nanopores has a diameter of about 5 nm or less, wherein the filter comprises a layer consisting essentially of silicon dioxide and wherein the nanopores are present in the layer consisting essentially of silicon dioxide and wherein each of the nanopores has the diameter across an entire thickness of the layer.