Exhibit 24

                                POWER OF ATTORNEY

The undersigned, who is a director or officer of Neoprobe Corporation, a
Delaware corporation (the Company), does hereby constitute and appoint David C.
Bupp and Brent L. Larson to be his or her agents and attorneys in-fact with the
power to act fully hereunder without the other and with full power of
substitution to act in the name and on behalf of the undersigned;

      o     To sign and file with the Securities and Exchange Commission any
            Post-effective Amendment to the Registration Statement of the
            Company on Form SB-2 (the "Registration Statement"), for
            registration under the Securities Act of 1933, as amended, of the
            sale by a certain stockholder of the Company of up to 5,898,876
            shares of common stock, $0.001 par value, of the Company related to
            the common stock purchase agreement, dated November 19, 2001, by and
            among the Company and Fusion Capital Fund II, LLC, an Illinois
            limited liability company; and

      o     To do and perform in the name and on behalf of the undersigned, in
            any and all such capacities, every act and thing whatsoever
            necessary to be done in and about the premises in connection with
            the filing of the Post-effective Amendment to the Registration
            Statement as fully as the undersigned could or might do in person,
            and hereby ratifying all that any such attorney-in-fact or his
            substitute may do by virtue hereof.

Each agent named above is hereby empowered to determine in his discretion the
times when, the purposes for, and the names in which, any power conferred upon
him herein shall be exercised and the terms and conditions of any instrument,
certificate or document which may be executed by him pursuant to this
instrument.

This Power of Attorney shall not be affected by the disability of the
undersigned or the lapse of time.

The validity, terms and enforcement of this Power of Attorney shall be governed
by those laws of the State of Ohio that apply to instruments negotiated,
executed, delivered and performed solely within the State of Ohio.

This Power of Attorney may be executed in any number of counterparts, each of
which shall have the same effect as if it were the original instrument and all
of which shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney this
19th day of April, 2006.


                                        /s/ Carl J. Aschinger, Jr.
                                        ----------------------------------------
                                        Carl J. Aschinger, Jr.



                                POWER OF ATTORNEY

The undersigned, who is a director or officer of Neoprobe Corporation, a
Delaware corporation (the Company), does hereby constitute and appoint David C.
Bupp and Brent L. Larson to be his or her agents and attorneys in-fact with the
power to act fully hereunder without the other and with full power of
substitution to act in the name and on behalf of the undersigned;

      o     To sign and file with the Securities and Exchange Commission any
            Post-effective Amendment to the Registration Statement of the
            Company on Form SB-2 (the "Registration Statement"), for
            registration under the Securities Act of 1933, as amended, of the
            sale by a certain stockholder of the Company of up to 5,898,876
            shares of common stock, $0.001 par value, of the Company related to
            the common stock purchase agreement, dated November 19, 2001, by and
            among the Company and Fusion Capital Fund II, LLC, an Illinois
            limited liability company; and

      o     To do and perform in the name and on behalf of the undersigned, in
            any and all such capacities, every act and thing whatsoever
            necessary to be done in and about the premises in connection with
            the filing of the Post-effective Amendment to the Registration
            Statement as fully as the undersigned could or might do in person,
            and hereby ratifying all that any such attorney-in-fact or his
            substitute may do by virtue hereof.

Each agent named above is hereby empowered to determine in his discretion the
times when, the purposes for, and the names in which, any power conferred upon
him herein shall be exercised and the terms and conditions of any instrument,
certificate or document which may be executed by him pursuant to this
instrument.

This Power of Attorney shall not be affected by the disability of the
undersigned or the lapse of time.

The validity, terms and enforcement of this Power of Attorney shall be governed
by those laws of the State of Ohio that apply to instruments negotiated,
executed, delivered and performed solely within the State of Ohio.

This Power of Attorney may be executed in any number of counterparts, each of
which shall have the same effect as if it were the original instrument and all
of which shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney this
12th day of May, 2006.

                                        /s/ Julius R. Krevans
                                        ----------------------------------------
                                        Julius R. Krevans