UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                                (Amendment No. 2)

                           MATERIAL TECHNOLOGIES, INC.
                                (Name of Issuer)

                                  COMMON STOCK
                         (Title of Class of Securities)

                                    576678205
                                 (CUSIP Number)

                                December 31, 2006
             (Date of Event Which Requires Filing of this Statement)

     Check the appropriate box to designate the rule pursuant to which this
                               Schedule is filed:

                                |_| Rule 13d-1(b)
                                |X| Rule 13d-1(c)
                                |_| Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



CUSIP No.
576678205
--------------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY).

     Golden Gate Investors, Inc.
     34-1986525
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
     (a)  |_|
     (b)  |_|
--------------------------------------------------------------------------------
3    SEC USE ONLY


--------------------------------------------------------------------------------
4    CITIZENSHIP OR PLACE OF ORGANIZATION

     USA
--------------------------------------------------------------------------------
               5    SOLE VOTING POWER

                    86,414
               -----------------------------------------------------------------
  NUMBER OF    6    SHARED VOTING POWER
   SHARES
BENEFICIALLY
  OWNED BY     -----------------------------------------------------------------
    EACH       7    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           86,414
    WITH:      -----------------------------------------------------------------
               8    SHARED DISPOSITIVE POWER


--------------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     86,414
--------------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)                                                      |X|

     The aggregate amount in Row 9 represents the maximum amount of shares that
     Golden Gate Investors can beneficially control under a contractually
     stipulated 9.99% ownership restriction. The full conversion of Golden Gate
     Investors' Convertible Debenture would exceed this restriction.
--------------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     9.99%
--------------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     CO
--------------------------------------------------------------------------------



ITEM 1.

(A) NAME OF ISSUER

Material Technologies, Inc.

(B) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICE

11661 San Vicente Boulevard, Suite 707, Los Angeles, California 90049

ITEM 2.

(A) NAME OF PERSON FILING

Golden Gate Investors, Inc.

(B) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR IF NONE, RESIDENCE

7817 Herschel Ave., Suite 200

La Jolla, CA 92037

(C) CITIZENSHIP USA

(D) TITLE OF CLASS OF SECURITIES

Common Stock

(E) CUSIP NUMBER

576678205

ITEM 3.

If this statement is filed pursuant to rule 240.13d- 1(b), or 240.13d-2(b) or
(c), check whether the person filing is a:

(a) ___ Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) ___ Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) ___ Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C.
78c).

(d)___Investment company registered under section 8 of the Investment Company
Act of 1940 (15 U.S.C. 80a-8).

(e) ___ An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E).

(f) ___ An employee benefit plan or endowment fund in accordance with
240.13d-1(b)(1)(ii)(F).



(g) ___ A parent holding company or control person in accordance with
240.13d-1(b)(1)(ii)(G)

(h) ___ A savings association as defined in section 3(b) of the Federal Deposit
Insurance Act (12 U.S.C. 1813).

(i) ___ A church plan that is excluded from the definition of an investment
company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C.
80a-3).

(j) ___ Group, in accordance with section 240.13d-1(b)(1)(ii)(J).

ITEM 4. OWNERSHIP.

Provide the following information regarding the aggregate number and percentage
of the class of securities of the issuer identified in Item 1.

(a) Amount beneficially owned: 86,414

(b) Percent of class: 9.99%

(c) Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote: 86,414

(ii) Shared power to vote or to direct the vote:

(iii) Sole power to dispose or to direct the disposition of: 86,414

(iv) Shared power to dispose or to direct the disposition of:

ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following /___/.

ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

Not applicable

ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY

Not applicable

ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

Not applicable

ITEM 9. NOTICE OF DISSOLUTION OF GROUP

Not applicable



ITEM 10. CERTIFICATION.

By signing below we certify that, to the best of our knowledge and belief, the
securities referred to above were not acquired and are not held for the purpose
of or with the effect of changing or influencing the control of the issuer of
the securities and were not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.

     Dated:
     February 26, 2007

                                        By: /s/ Travis W. Huff
                                            ----------------------------
                                            Name:  Travis W. Huff
                                            Title: Vice President and Portfolio
                                                   Manager