<SEC-DOCUMENT>0001209191-11-016052.txt : 20110307
<SEC-HEADER>0001209191-11-016052.hdr.sgml : 20110307
<ACCEPTANCE-DATETIME>20110307185301
ACCESSION NUMBER:		0001209191-11-016052
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110225
FILED AS OF DATE:		20110307
DATE AS OF CHANGE:		20110307

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			IDEX CORP /DE/
		CENTRAL INDEX KEY:			0000832101
		STANDARD INDUSTRIAL CLASSIFICATION:	PUMPS & PUMPING EQUIPMENT [3561]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11625
		FILM NUMBER:		11670039

	BUSINESS ADDRESS:	
		STREET 1:		630 DUNDEE RD STE 400
		CITY:			NORTHBROOK
		STATE:			IL
		ZIP:			60062
		BUSINESS PHONE:		8474987070

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MICROFLUIDICS INTERNATIONAL CORP
		CENTRAL INDEX KEY:			0000723889
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY APPARATUS & FURNITURE [3821]
		IRS NUMBER:				042793022
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		30 OSSIPEE RD
		STREET 2:		P.O. BOX 9101
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02464
		BUSINESS PHONE:		6179695452

	MAIL ADDRESS:	
		STREET 1:		30 OSSIPEE ROAD
		STREET 2:		P.O. BOX 9101
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02464

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MFIC CORP
		DATE OF NAME CHANGE:	20010418

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MICROFLUIDICS INTERNATIONAL CORP
		DATE OF NAME CHANGE:	19930713
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>c13816_3ax0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2011-02-25</periodOfReport>

    <dateOfOriginalSubmission>2011-03-01</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000723889</issuerCik>
        <issuerName>MICROFLUIDICS INTERNATIONAL CORP</issuerName>
        <issuerTradingSymbol>MFLU.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000832101</rptOwnerCik>
            <rptOwnerName>IDEX CORP /DE/</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1925 WEST FIELD COURT, SUITE 200</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LAKE FOREST</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60045</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>9% Convertible Debenture</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.25</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-11-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4192890</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">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.</footnote>
        <footnote id="F2">IDEX Corporation (&quot;IDEX&quot;), Nano Merger Sub, Inc. (a wholly-owned subsidiary of IDEX), Global Strategic Partners, LLC (&quot;GPS&quot;), 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 &quot;Agreement Concerning Debenture&quot;), 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.</footnote>
        <footnote id="F3">These shares were omitted from the Reporting Person's initial Form 3.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>IDEX Corporation, by /s/ Frank J. Notaro, Vice President and General Counsel</signatureName>
        <signatureDate>2011-03-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
