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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Hydrogen peroxide biosensor based on microperoxidase-11 entrapped in lipid membrane.

A highly catalytic activity microperoxidase-11 (MP-11) biosensor for H(2)O(2) was developed to immobilizing the heme peptide in didodecyldimethylammonium bromide (DDAB) lipid membrane. The enzyme electrode thus obtained responded to H(2)O(2) without electron mediator or promoter, at a potential of +0.10 V versus Agmid R:AgCl. A linear calibration curve is obtained over the range from 2.0 x 10(-5) to 2.4 x 10(-3) M. The biosensor responds to hydrogen peroxide in 15 s and has a detection limit of 8 x 10(-7) M (S/N=3) Providing a natural environment with lipid membrane for protein immobilization and maintenance of protein functions is a suitable option for the design of biosensors.[1]

References

  1. Hydrogen peroxide biosensor based on microperoxidase-11 entrapped in lipid membrane. Huang, W., Jia, J., Zhang, Z., Han, X., Tang, J., Wang, J., Dong, S., Wang, E. Biosensors & bioelectronics. (2003) [Pubmed]
 
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