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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 MFMUSkAeRQbLl+RKiTiUyZkabvZioq5UPBY3RPoUC0TFuk3S41BlIFlww84bs2Ez
 TrdyRGMZZ+nS8uQ8JOm8JA==

<SEC-DOCUMENT>0001013762-04-001383.txt : 20041209
<SEC-HEADER>0001013762-04-001383.hdr.sgml : 20041209
<ACCEPTANCE-DATETIME>20041209105047
ACCESSION NUMBER:		0001013762-04-001383
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040519
FILED AS OF DATE:		20041209
DATE AS OF CHANGE:		20041209

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APPLIED DNA SCIENCES INC
		CENTRAL INDEX KEY:			0000744452
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				592262718
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		9229 WEST SUNSET BOULEVARD, SUITE 830
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90069
		BUSINESS PHONE:		3108601362

	MAIL ADDRESS:	
		STREET 1:		9229 WEST SUNSET BLVD, SUITE 830
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90069

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PROHEALTH MEDICAL TECHNOLOGIES INC
		DATE OF NAME CHANGE:	20010504

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DCC ACQUISITION CORP
		DATE OF NAME CHANGE:	19990211

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DATALINK CAPITAL CORP/TX/
		DATE OF NAME CHANGE:	19980306

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LANGLEY RICK
		CENTRAL INDEX KEY:			0001215323

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	002-90539
		FILM NUMBER:		041192289

	BUSINESS ADDRESS:	
		STREET 1:		8233 ROXBURY ROAD
		CITY:			LOS ANGLES
		STATE:			CA
		ZIP:			90069
		BUSINESS PHONE:		3104338289
</SEC-HEADER>
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<SEQUENCE>1
<FILENAME>dec082004form4langley_ex.xml
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        <issuerName>APPLIED DNA SCIENCES INC</issuerName>
        <issuerTradingSymbol>APDN</issuerTradingSymbol>
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            <rptOwnerName>LANGLEY RICK</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet1>8233 ROXBURY ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOS ANGLES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90069</rptOwnerZipCode>
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                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <value>2004-12-07</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>4000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.99</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>5116525</value>
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            <transactionAmounts>
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                <transactionPricePerShare>
                    <value>2.10</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5113525</value>
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            <securityTitle>
                <value>CommonStock</value>
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                <transactionCode>S</transactionCode>
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                <transactionPricePerShare>
                    <value>2.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
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                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>CommonStock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-12-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                    <value>1.41</value>
                </transactionPricePerShare>
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                    <value>D</value>
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    <ownerSignature>
        <signatureName>Rick Langley</signatureName>
        <signatureDate>2004-12-08</signatureDate>
    </ownerSignature>
</ownershipDocument>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----