EXHIBIT 23.1


                         CONSENT OF INDEPENDENT AUDITORS



We consent to the incorporation by reference in the Registration Statement (Form
S-8 No. 333-22819 and 333-58318) pertaining to the Biopool  International,  Inc.
1993  Stock  Incentive  Plan and the  Biopool  International,  Inc.  2000  Stock
Incentive Plan of our report dated March 5, 2003,  with respect to the financial
statements of Xtrana,  Inc.  included in the Annual Report (Form 10-KSB) for the
year ended December 31, 2003.



                                                   /S/ HEIN & ASSOCIATES LLP
                                                   Hein & Associates




Denver, Colorado
February 11, 2004