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o
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Rule 13d-1(b)
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x
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Rule 13d-1(c)
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o
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Rule 13d-1(d)
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CUSIP NO. 294100102
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13G/A
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Page 2 of 5 pages
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1
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NAME OF REPORTING PERSON
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Rosalind Davidowitz
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) o
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3
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SEC USE ONLY
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4
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CITIZENSHIP OR PLACE OF ORGANIZATION
United States
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
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5
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SOLE VOTING POWER
3,665,118
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6
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SHARED VOTING POWER
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7
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SOLE DISPOSITIVE POWER
3,665,118
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8
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SHARED DISPOSITIVE POWER
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9
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,665,118
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10
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
o
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11
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
9.5%
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12
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TYPE OF REPORTING PERSON
IN
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Item 1.
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(a)
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Name of Issuer
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Enzo Biochem, Inc.
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(b)
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Address of Issuer's Principal Executive Offices
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60 Executive Blvd
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Farmingdale, NY 11735
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Item 2.
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(a)
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Name of Person Filing
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Rosalind Davidowitz
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(b)
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Address of Principal Business Office or, if none, Residence
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Mrs. Davidowitz’s address is 7 Sutton Place South, Lawrence, New York 11559.
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(c)
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Citizenship
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Mrs. Davidowitz is a United States citizen.
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(d)
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Title of Class of Securities
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Common Stock, $.01 par value
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(e)
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CUSIP Number
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294100102
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Item 3.
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If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
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(a)
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o
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Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).
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(b)
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o
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Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
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(c)
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o
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Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).
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(d)
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o
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Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8).
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(e)
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o
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An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
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(f)
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o
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An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);
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(g)
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o
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A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);
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(h)
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o
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A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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(i)
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£
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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);
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(j)
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o
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Group, in accordance with §240.13d-1(b)(1)(ii)(J).
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Item 4.
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Ownership
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(a)(b)
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Amount beneficially owned (1):
As of December 31, 2011, Mrs. Davidowitz may be deemed to beneficially own 3,665,118 shares or 9.5% of the Issuer's shares issued and outstanding as follows (i) 1,938,738 shares owned directly by Rosalind Davidowitz, (ii) 381,713 shares owned directly by Mr. J. Morton Davis, Mrs. Davidowitz’s husband (2), (iii) 1,207,196 shares owned by Engex, Inc. (3), (iv) 12,733 shares owned by an investment advisor whose principal is Mr. Davis, and (v) 124,738 shares owned by The Morton Foundation (4).
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(c)
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Mrs. Davidowitz has sole power to dispose or to direct the disposition of those shares owned directly by her. Mr. Davis has sole power to vote or to direct the vote, to dispose or to direct the disposition of those shares owned by him and by the investment advisor. Voting and dispositive decisions regarding shares owned by Engex are made by Mr. Davis as Chairman of the Board.
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Item 5.
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Ownership of Five Percent or Less of a Class
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If this statement is being filed to report the fact that as of the date hereof the reporting persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following o.
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Not applicable
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Item 6.
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Ownership of More than Five Percent on Behalf of Another Person.
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Not applicable
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Item 7.
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Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company
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Not applicable
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Item 8.
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Identification and Classification of Members of the Group
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Not applicable
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Item 9.
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Notice of Dissolution of Group
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Not applicable
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Item 10.
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Certification
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By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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.
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Date: February 10, 2012
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By:
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/s/ Rosalind Davidowitz
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Name: Rosalind Davidowitz
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