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 Annual Report of Misonix, Inc. (the "Company") on
Form 10-K/A for the period ending June 30, 2002 as filed with the Securities and
Exchange  Commission  on  the date hereof (the "Report"), I, Michael A. McManus,
Jr.,  President and Chief Executive Officer of the Company, certify, pursuant to
18  U.S.C. ss. 1350, as adopted pursuant to ss. 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 result of operations of
          the  Company.

Dated: September 18, 2003

                                         /s/ Michael A. McManus, Jr.
                                         -------------------------------------
                                         Michael A. McManus, Jr.
                                         President and Chief Executive Officer


A  signed  original  of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that
appears  in  typed  form within the electronic version of this written statement
required by Section 906, has been provided to Misonix, Inc. and will be retained
by  Misonix, Inc. and furnished to the Securities and Exchange Commission or its
staff  upon  request