Abstract
The current work shows the advancement of an additive manufactured multiplex immunosensor for the detection of dengue serotypes 1&2 in dengue patients on a single device with the LOD of 12.5 ng/ml. In this work, we created a QR-Code enabled additive manufactured case comprised of a paper-based electrode coated with ZnO NPs, which helps to enhance the detection signal and make it more selective, both serotype antibodies (DENV1-Ab & DENV2-Ab) were employed against DENV serotypes (DENV1-Ag & DENV2-Ag. QR-code technology was also integrated with the established platform to deliver sensor supporting information so that anybody may quickly obtain supporting sensing result details by scanning with a smartphone. The proposed highly advanced platform successfully detected DENV serotypes in dengue patients and showing a wide range of detection from 12.5 to 200 ng/ml with a LOD of 12.5 ng/ml.The results were also validated with conventional testing, i.e., Indirect Fluorescence Antibody Test (IFAT), so the developed multiplex-sensor became more applicable for the detection of DENV serotypes on a single tool having high sensitivity and selectivity, with a potential of commercialization.
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