United States Patent (10) Patent No.: US 9,493,805 B2 Reardon Et Al
US0094.93805B2 (12) United States Patent (10) Patent No.: US 9,493,805 B2 Reardon et al. (45) Date of Patent: Nov. 15, 2016 (54) ENZYMATIC BIOSENSORS WITH 5,629,214 A 5/1997 Crosby ENHANCED ACTIVITY RETENTION FOR 398, A E. R 1 DETECTION OF ORGANIC COMPOUNDS CE: A E E." 5,837,454 A 11/1998 COZZette et al. (75) Inventors: Kenneth F. Reardon, Fort Collins, CO 5,853,669 A 12, 1998 Wolfbeis (US); David S. Dandy, Fort Collins, 5,866,321 A 2f1999 Matsue et al. CO (US); Michael Fritzsche, Burgdorf 35. A 8. 3. E. et al SEThey Wood, College 6,022,748- 4 A 2/2000 Charychurlage etet al.al. s 6,060,327 A 5, 2000 Keen 6,100,080 A 8, 2000 Johansen (73) Assignee: COLORADO STATE UNIVERSITY 6,136.979 A 10/2000 Hudlicky et al. RESEARCH FOUNDATION, Fort 6,159,681. A 12/2000 Zebala Collins, CO (US) Sir R. 38; it et al. 6,284.522 B1 9, 2001 Wackett et al. (*) Notice: Subject to any disclaimer, the term of this 6,291,200 B1 9/2001 E. A. patent is extended or adjusted under 35 6,344,360 B1 2/2002 Colvin et al. U.S.C. 154(b) by 602 days. 6,369,299 B1 4/2002 Sadowsky et al. 6,437,345 B1 8/2002 Bruno-Raimondi et al. 6,576.449 B2 6/2003 Clark et al. (21) Appl. No.: 12/100,308 6,592,746 B1 7/2003 Schmid-Schoenbein et al. (22) Filed: Apr.
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