EXHIBIT 99.1:

           CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL
                  FINANCIAL OFFICER PURSUANT TO 18 U.S.C. 1350


         In connection with the accompanying  Quarterly Report on Form 10-QSB of
Life  Medical  Sciences,  Inc.  for  the  quarter  ended  March  31,  2003,  the
undersigned  hereby  certifies  pursuant to 18 U.S.C.  Section  1350, as adopted
pursuant  to Section  906 of the  Sarbane-Oxley  Act of 2002,  to the best of my
knowledge and belief, that:

         (1)      such  Quarterly  Report on Form 10-QSB for the  quarter  ended
                  March 31, 2003 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 such  Quarterly  Report on Form
                  10-QSB for the quarter  ended March 31, 2003 fairly  presents,
                  in all material respects,  the financial condition and results
                  of operations of Life Medical Sciences, Inc.



         May 8, 2003                     /s/ Robert P. Hickey
                                         --------------------
                                         Name: Robert P. Hickey
                                         Title: Chief Executive Officer and
                                         Chief Financial Officer


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