Exhibit 32.1


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the amended  Quarterly  Report of Applied DNA Sciences,  Inc.
(the  "Company")  on  Amendment  No. 2 to Form  10-QSB/A  for the period  ending
December 31, 2004 as filed with the  Securities  and Exchange  Commission on the
date hereof (the "Report"),  I, James A. Hayward, Chief Executive Officer of the
Company, certify, pursuant to 18 U.S.C. section 906 of the Sarbanes-Oxley Act of
2002, that:

         (1)      The Report fully  complies  with the  requirements  of section
                  13(a) or 15(d) of the Securities and Exchange Act of 1934; and

         (2)      The information  contained in the Report fairly  presents,  in
                  all material respects,  the financial  condition and result of
                  operations of the Company.

A signed  original of this  written  statement  required by Section 906 has been
provided  to Applied  DNA  Sciences,  Inc.  and will be  retained by Applied DNA
Sciences,  Inc. and furnished to the Securities  and Exchange  Commission or its
staff upon request.

Date: October 10, 2006                           By: /s/JAMES A HAYWARD
                                                     -------------------
                                                 James A. Hayward
                                                 Chief Executive Officer