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Sensors 2009, 9(11), 8709-8721; doi:10.3390/s91108709
Article

The Detection of Alkaline Phosphatase Using an Electrochemical Biosensor in a Single-Step Approach

1
, 2
, 3
 and 3,*
Received: 22 September 2009; in revised form: 15 October 2009 / Accepted: 16 October 2009 / Published: 30 October 2009
(This article belongs to the Section Biosensors)
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Abstract: A one-step, single use, disposable Alkaline Phosphatase (ALP) biosensor has been developed. It is based on the detection of phenol produced by an ALP enzymatic reaction. It can operate at 25 °C in a pH 10 medium. It measures ALP of 0–300 IU/L. The permissible concentrations of glucose, ascorbic acid and urea without interference are 10 mM/L, 5 mg/L and 400 mg/L, respectively. Experimental results are compared to those obtained by spectrophotometric measurements in bovine serum. Excellent linearity between the biosensor outputs and the ALP concentrations exists. The agreement between the measurements of this biosensor and the spectrophotometer is also outstanding.
Keywords: alkaline phosphatase; electrochemical detection; biosensor alkaline phosphatase; electrochemical detection; biosensor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Wang, J.H.; Wang, K.; Bartling, B.; Liu, C.-C. The Detection of Alkaline Phosphatase Using an Electrochemical Biosensor in a Single-Step Approach. Sensors 2009, 9, 8709-8721.

AMA Style

Wang JH, Wang K, Bartling B, Liu C-C. The Detection of Alkaline Phosphatase Using an Electrochemical Biosensor in a Single-Step Approach. Sensors. 2009; 9(11):8709-8721.

Chicago/Turabian Style

Wang, Joanne H.; Wang, Kevin; Bartling, Brandon; Liu, Chung-Chiun. 2009. "The Detection of Alkaline Phosphatase Using an Electrochemical Biosensor in a Single-Step Approach." Sensors 9, no. 11: 8709-8721.



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