Patent ID: 9057064
Filing Date: 2015-06-16
Classification: B01L,C12M,C12N,C12Q,G01N

Abstract:
1. An apparatus for extracting DNA from a biological sample, the apparatus comprising: a first segment for grinding a frozen biological sample to produce a ground sample, the first segment comprising: a base; an outer grinding member defining a cylindrical hollow structure, said outer grinding member attached to a top surface of said base; a rotatable inner grinding member being gradually tapered upwardly, the inner grinding member being positioned within said outer grinding member to form a tapered annular gap therebetween; and a lysis solution inlet configured to feed a predetermined quantity of lysis solution into the first segment; and a second segment for pressurizing a mixture of said ground sample and said lysis solution in order to produce a resulting lysate, wherein said first segment is fluidly coupled to said second segment.