Publications by authors named "Tatiana L Valerio"
This short review presents the latest advances in the field of electrochemical biosensors, focusing particularly on impedimetric biosensors for the direct measurement of analytes. As a source of study we have chosen to describe these advances in the latest global health crisis originated from the COVID-19 pandemic, initiated by the SARS-CoV-2 virus. In this period, the necessity for swift and precise detection methods has grown rapidly due to an imminent need for the development of an analytical method to identify and isolate infected patients as an attempt to control the spreading of the disease.
View Article and Find Full Text PDFArticle Synopsis
- Helicobacter pylori (H. pylori) is a class I carcinogen that resides in the human GI tract, making early detection, especially of its HopQ protein, crucial for combating infection.
- Researchers developed an electrochemical immunosensor using polypyrrole nanotubes and carbon nanotubes to detect HopQ at incredibly low concentrations, achieving exceptional sensitivity with a detection limit of 2.06 pg/mL.
- The biosensor demonstrated reliability and efficiency, showing a signal recovery of 105.5% in spiked drinking water samples, indicating its potential for quick and effective screening for H. pylori.