Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  IDEX CORP /DE/
 2. Date of Event Requiring Statement (Month/Day/Year)
02/25/2011		 3. Issuer Name and Ticker or Trading Symbol
MICROFLUIDICS INTERNATIONAL CORP [MFLU.OB]
(Last)
(First)
(Middle)
1925 WEST FIELD COURT, SUITE 200		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
03/01/2011
(Street)

LAKE FOREST, IL 60045		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
9% Convertible Debenture   (1) 11/14/2015 Common Stock 4,192,890 (2) (3) $ 1.25 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
IDEX CORP /DE/
1925 WEST FIELD COURT, SUITE 200
LAKE FOREST, IL 60045		     X    

Signatures

IDEX Corporation, by /s/ Frank J. Notaro, Vice President and General Counsel 03/07/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The debenture is convertible on the maturity date (November 14, 2015), any interest payment date (the first business day of each calendar quarter) or the date of a change of control event (as defined in the debenture), at the written election of the holder and upon three business days' notice to Microfluidics International Corporation.
(2) IDEX Corporation ("IDEX"), Nano Merger Sub, Inc. (a wholly-owned subsidiary of IDEX), Global Strategic Partners, LLC ("GPS"), Abraxis BioScience, LLC and American Stock Transfer and Trust Company, LLC, in its capacity as custodian, entered into an Agreement Concerning Debenture, dated January 10, 2011 (the "Agreement Concerning Debenture"), pursuant to which, on February 25, 2011, IDEX purchased the debenture from GPS for approximately $4.2 million, and the debenture was assigned and transferred to IDEX.
(3) These shares were omitted from the Reporting Person's initial Form 3.

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