نتایج جستجو برای: enzyme amplification
تعداد نتایج: 296262 فیلتر نتایج به سال:
Signal amplification is a key component of molecular detection. Enzyme-free signal amplification is especially appealing for the development of low-cost, point-of-care diagnostics. It has been previously shown that enzyme-free DNA circuits with signal-amplification capacity can be designed using a mechanism called 'catalyzed hairpin assembly'. However, it is unclear whether the efficiency and m...
An isothermal and sensitive fluorescence assay for protein detection using aptamer-protein-aptamer conjugates based on nicking enzyme amplification has been developed, which was combined with magnetic microparticles separation, making this assay suitable for protein detection in biological samples.
A novel method of electrochemical methylation-specific ligation detection reaction is first presented for simultaneous evaluation of multiple gene-methylation loci in a single-tube experiment without PCR amplification or restriction enzyme reaction.
Enzyme-free signal amplification has enabled sensitive in vitro detection of biomolecules such as proteins and nucleic acids. However, monitoring targets of interest in live cells via enzyme-free amplification is still challenging, especially for analytes with low concentrations. To the best of our knowledge, this paper reports the first attempt to perform mRNA imaging inside live cells, using ...
This study describes a novel helicase-mediated isothermal DNA amplification method that exponentially amplifies circular DNAs. The circular helicase-dependent amplification (cHDA) system is based on the T7 replication machinery, which includes the processive T7 helicase, an exonuclease-deficient T7 DNA polymerase (T7 Sequenase) and the T7 Gp2.5 single-stranded DNA-binding (SSB) protein. After t...
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