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Surface Plasmon Resonance Imaging Sensor for Cathepsin Determination Based on Immobilized Cystatin

[ Vol. 16 , Issue. 11 ]


E. Gorodkiewicz   Pages 1379 - 1385 ( 7 )


A specific SPRI sensor for cathepsin determination based on the interaction between immobilized cystatin and cathepsins has been developed. All cathepsins form the same calibration curve. The sensor dynamic response range is between 0.5 and 2.0 ng ml-1 and the detection limit is equal to 0.1 ng ml-1.


Surface Plasmon Resonance Imaging, cathepsins, cystatin, biosensor, blood plasma, leukocytes


Department of Electrochemistry, Institute of Chemistry, University of Bialystok, Al.J.Pilsudskiego11/4, 15-443 Bialystok, Poland.

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