Summary
Electrochemical sensors convert chemical signals from target analytes into electrical signals for detection, making them valuable for biomedical applications. Sensitivity is crucial as clinical biomarkers are often present at very low levels, and electrochemical sensors help monitor drug concentrations like doxorubicin in biofluids. A team led by Professor Hyongsok Tom Soh at Stanford developed a nanoporous electrode structure that enhances sensitivity in biosensors by improving electron transfer and reducing charge screening. Their research demonstrated that nanoporous electrodes outperform planar electrodes in signal strength and detection limits. The study highlights the potential of these biosensors in diagnostics and health monitoring, with applications in real-time drug pharmacokinetics and the detection of various biomolecules.