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Monitoring the adherence of patients taking highly-active anti-retroviral therapy (HAART) and Pre-Exposure Prophylaxis (PrEP) is a key step in treating an HIV infection. Since current monitor methods are non-direct there is a need for assays that directly verify the presence of active drug in the patient. In this work we modified an existing assay for the detection of cytosine to sense the presence...
Treating HIV in developing countries involves highly active antiretroviral therapies that require strict adherence by the patient. Current methods of self-reporting to monitor adherence to a drug regimen are less reliable than a drug test. This work introduces proof-of-concept of a new assay involving azide-alkyne cycloaddition to detect the presence of azidothymidine (AZT), a common antiretroviral...
The ability to increase the concentration of target analytes in a fixed sample volume can potentially lower the limit of detection for many biosensing techniques, and thus is key in sample preparation for infectious disease diagnosis. Concentration by evaporation is an effective method to achieve target enrichment. However, concentrating human samples, including blood and plasma, by evaporation-based...
We integrated a portable, disposable, simple to fabricate, and highly effective polymeric microfluidic viral sample concentration device to the Interferometric Reflectance Imaging Sensor (IRIS) to increase infectious disease diagnostic speed and sensitivity at the point-of-care.
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