Pencillin biosensor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jun 26, 2003
app pub date -
Dec 21, 2001
filing date -
Dec 21, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The penicillin biosensor (10) has a pH-sensitive polymeric hydrogel (30) in a rigid enclosure (20). The hydrogel includes an immobilized enzyme such as penicillinase. The enzyme catalyzes a chemical reaction consuming penicillin and producing penicillic acid. The hydrogel changes its osmotic pressure in proportion to the concentration of the penicillic acid. By measuring the change in osmotic pressure with a pressure transducer (40), the biosensor (10) is able to accurately measure the concentration of penicillin. A battery (64) powered monitoring device, connected to the biosensor (10) through electrical wires, is operably programmed to display the penicillin concentration in a computer (62) as well as to activate LED or buzzer as an alert in case that the measured concentration of penicillin is over the threshold concentration.
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