EXHIBIT 23.1


                                AJ. ROBBINS, P.C.
                          CERTIFIED PUBLIC ACCOUNTANTS
                              216 SIXTEENTH STREET
                                    SUITE 600
                             DENVER, COLORADO 80202



           CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTING FIRM



We  hereby  consent  to the  incorporation  by  reference  in this  Registration
Statement  on Form S-8 of  Universal  Detection  Technology  of our report dated
March 9, 2007 except for Note 12, which is dated March 28, 2007  relating to the
consolidated financial statements of Universal Detection Technology.


                             /s/ AJ. Robbins, P.C.
                             ----------------------------
                             AJ. ROBBINS, P.C.
                             CERTIFIED PUBLIC ACCOUNTANTS



DENVER, COLORADO
JUNE 26, 2007