Patent ID: 7229595
Filing Date: 2007-06-12
Classification: B01L,G01N

Abstract:
1. A filter column comprising: a body having a passageway extending therethrough, said body comprising at least a first body portion, a second body portion, and a third body portion, where an outer diameter of said first body portion is greater than an outer diameter of said second body portion, and where said outer diameter of said second body portion is greater than an outer diameter of said third body portion; a filter located within said passageway, said filter adapted to isolate nucleic acids from a liquid sample; a first bearing surface adapted to rest against the rim of a first collection tube, where an outer diameter of the body portion directly below the first bearing surface is adapted to fit securely with the first collection tube; and a second bearing surface adapted to rest against the rim of a second collection tube, where an outer diameter of the body portion directly below the second bearing surface is adapted to fit securely with the second collection tube, and where the opening of the first collection tube is greater than the opening of the second collection tube; wherein said body is adapted to seat a laser microdissection extraction device at the first body portion.