Tool for new kinetics-based diagnostics of autoimmune diseases

Tool for new kinetics-based diagnostics of autoimmune diseases

Tool for new kinetics-based diagnostics of autoimmune diseases

A multiplex label-free biosensor is developed for diagnostics of autoimmune diseases by highly sensitive measuring in human serum both critical characteristics of autoantibody: concentration and native kinetic parameters that reflect autoantibody aggressiveness to the organism's tissues. The biosensor is based on the spectral-correlation interferometry and image processing of a microarray glass biochip, affordable to be single-used in medical applications. Simultaneous 25-min detection and activity characterization of several autoantibodies in the same serum sample have been demonstrated for anti-thyroglobulin (anti-TG) and anti-thyroid peroxidase (anti-TPO) as models. The biosensor offers extremely high sensitivity: limits of detection in serum are 1.7 IU/mL and…
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