Gold nanoparticles are useful as biosensors due to their optical properties, ease of synthesis, stability, and ability to conjugate with biomolecules. The document describes how gold nanoparticles can be used to detect various analytes through colorimetric assays and lateral flow tests. It also discusses using quantum dots as novel biosensors and how their size-dependent optical properties allow tuning of fluorescence. Conditions are adjusted for new gold nanoparticle-based lateral flow tests to detect DNA methylation and SRY gene sequences.
Gold nanoparticles are useful as biosensors due to their optical properties, ease of synthesis, stability, and ability to conjugate with biomolecules. The document describes how gold nanoparticles can be used to detect various analytes through colorimetric assays and lateral flow tests. It also discusses using quantum dots as novel biosensors and how their size-dependent optical properties allow tuning of fluorescence. Conditions are adjusted for new gold nanoparticle-based lateral flow tests to detect DNA methylation and SRY gene sequences.