WebFluorescent antibody-based reagentless assays, which enable quantification of the target antigens by mixing the fluorescent antibody with an antigen-containing sample, have been widely accepted and implemented for high-throughput analysis of antigens because these assay samples typically contribute little background signal, and the detection ... WebJul 22, 2024 · For reagentless detection, we employ a strand displacement strategy where fluorophore-conjugated aptamers are hybridized with a DNA competitor strand …
Orion™ 2109XP Fluoride Analyzer - Thermo Fisher …
WebReagentless Total Chlorine Analyzer: The ECD TC80 Total Chlorine Analyzer is a panel mounted, ready to use Total Chlorine Analyzer. It is designed to monitor total chlorine in drinking water, industrial cooling and rinse water, … WebDec 1, 2005 · Thrombin binding stabilizes the alternative G-quadruplex conformation of the aptamer, liberating the methylene blue (MB)-tagged oligonucleotide to produce a flexible, single-stranded DNA element. This allows the MB tag to collide with the gold electrode surface, producing a readily detectable Faradaic current at thrombin concentrations as … chips locales
E-DNA scaffold sensors and the reagentless, single-step, measurement of …
WebNov 1, 2024 · With this strategy, we successfully fabricated an electrochemical sensor on gold electrode for rapid, reagentless, and sensitive detection of aflatoxin B1 (AFB1), an important mycotoxin causing great health risks, by using a 26-mer DNA aptamer with MB on an internal T site (e.g., 18th T) and a thiol moiety at 5' terminal. WebReagentless Free Chlorine Analyzer: The ECD FC80 Free Chlorine Analyzer is a panel mounted, ready to use Free Chlorine Analyzer. It is designed to monitor free chlorine (residual chlorine) in drinking water, industrial … WebSep 2, 2024 · Here, we applied this label-free and reagentless biosensing transducer signal methodology for the qualitative diagnosis of COVID-19 infections, where this assay … chip slippers