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Interference Studies Using Multidimensional Mapping of Cross-Reactive Sensors: Applications in Blood Monitoring of Clozapine

dc.contributor.advisorGhodssi, Rezaen_US
dc.contributor.authorChocron, Sheryl E.en_US
dc.description.abstractPoint-of-care sensors are used in clinical applications for diagnosing and monitoring health conditions. For example, a point-of-care sensor for therapeutic drug monitoring of the clozapine antipsychotic can reduce burdens from guidelines suggesting routine monitoring of this medication. However, when measuring chemical markers in complex fluids, there are challenges related to decreased sensor performance due to chemical interference. This work presents a methodology for identifying individual interfering species. A set of cross-reactive electrochemical sensors were developed, whose diversified responses provide a fingerprint-type pattern capable of differentiating various species. By mapping the multidimensional responses, patterns from complex solutions were discerned and matched to those of individual species. Applying this methodology to clozapine sensing in blood, a major source of chemical interference was identified. The understanding matrix components that cause interference can guide the design of reliable sensing systems and can be integrated with pattern recognition tools that can account for it.en_US
dc.titleInterference Studies Using Multidimensional Mapping of Cross-Reactive Sensors: Applications in Blood Monitoring of Clozapineen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.subject.pqcontrolledBiomedical engineeringen_US
dc.subject.pquncontrolledclozapine antipsychoticen_US
dc.subject.pquncontrolledcomplex serum matrixen_US
dc.subject.pquncontrolledcross-reactive sensorsen_US
dc.subject.pquncontrolledelectrochemical sensing systemen_US
dc.subject.pquncontrolledinterfering speciesen_US
dc.subject.pquncontrolledtherapeutic drug monitoringen_US

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