<DOCUMENT>
<TYPE>EX-32
<SEQUENCE>4
<FILENAME>ex321a.txt
<TEXT>
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 Quarterly Report of Applied DNA Sciences,  Inc. (the
"Company")  on Form  10-QSB/A for the period ended  December 31, 2005,  as filed
with the Securities and Exchange  Commission on the date hereof (the  "Report"),
I, James Hayward, Chief Executive Officer of the Company,  certify,  pursuant to
18 U.S.C. Section 1350, as adopted pursuant to 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 Exchange Act of 1934; and


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




                                                     /s/ JAMES HAYWARD
                                                     -----------------
                                                     James Hayward
                                                     Chief Executive Officer
                                                     February 21, 2006

</TEXT>
</DOCUMENT>
