Exhibit 24

                                POWER OF ATTORNEY

     Know all by these presents, that the undersigned hereby constitutes and
appoints each of David Platt, Carl Lueders and Maureen Foley, signing singly,
the undersigned's true and lawful attorney-in-fact to:

        (1)     execute for and on behalf of the undersigned, in the
                undersigned's capacity as an officer and/or director of
                Pro-Pharmaceuticals, Inc.(the "Company"), Forms 3, 4, and 5 in
                accordance with Section 16(a) of the Securities Exchange Act of
                1934 and the rules thereunder, and any other forms or reports
                the undersigned may be required to file in connection with the
                undersigned's ownership, acquisition, or disposition of
                securities of the Company;

        (2)     do and perform any and all acts for and on behalf of the
                undersigned which may be necessary or desirable to complete and
                execute any such Form 3, 4, or 5, or other form or report, and
                timely file such form or report with the United States
                Securities and Exchange Commission and any stock exchange or
                similar authority; and

        (3)     take any other action or any type whatsoever in connection with
                the foregoing which, in the opinion of such attorney-in-fact,
                may be of benefit to, in the best interest of, or legally
                required by, the undersigned, it being understood that the
                documents executed by such attorney-in-fact on behalf of the
                undersigned pursuant to this Power of Attorney shall be in such
                form and shall contain such terms and conditions as such
                attorney-in-fact may approve in such attorney-in- fact's
                discretion.

        The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorneys-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.

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        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 3rd day of May, 2005.

                                                 /s/ Eliezer Zomer
                                                 -------------------------------
                                                 Signature

                                                 Eliezer Zomer