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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
UNIVERSITY OF ILLINOIS	506 SOUTH WRIGHT STREET URBANA IL 61801 USA

International Classification(s)

• C07H:SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTI....
• C12Q:MEASURING OR TESTING PROCESSES INVOLVING ENZYMES O....
• C12M:APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY
• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Liu, Juewen	Urbana, US	33	524
Lu, Yi	Champaign, US	273	2581

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 19, 2009	US,7534560,B2   US7534560B2	GRANTED PATENT AS SECOND PUBLICATION
November 20, 2003	US,20030215810,A1   US20030215810A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7534560

Simple catalytic DNA biosensors for ions based on color changes

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