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Matches in SemOpenAlex for { <https://semopenalex.org/work/W4386913709> ?p ?o ?g. }

• W4386913709 endingPage "115706" @default.
• W4386913709 startingPage "115706" @default.
• W4386913709 abstract "The detection of specific DNA sequences and the identification of single nucleotide polymorphisms are important for disease diagnosis. Herein, by combining the high specificity of the base-stacking effect with the high reproducibility of bovine serum albumin (BSA) modified electrodes and the high loading performance of DNA nanoclews (DNA NCs), a novel sandwich-type electrochemiluminescence (ECL) biosensor is reported for the highly specific detection of HPV16 (chosen as the model target). The capture probes are loaded by BSA carrier platforms modified on the gold electrode surface to improve reproducibility. DNA NCs loaded with a large amount of Ru(phen)32+ worked as signal probes. The template probe is composed of the complementary strand of the target and two free nucleic acid anchors at the head and tail. In the presence of the target DNA, the template probes can form stacked base pairs with target, generating high base-stacking energy. This results in the shorter free anchors of template probes being able to bind to the capture and signal probes. This eventually forms a sandwich structure that allows Ru(phen)32+ to be near the electrode surface, producing an ECL signal. There is a linear relationship between the signal and the target concentration range from 10 fM to 100 pM, with a detection limit of 5.03 fM (S/N=3). Moreover, the base-stacking effect has single base recognition ability for base pairs, effectively avoiding false positive signals. The results of this strategy for clinical samples are consistent with classical methods." @default.
• W4386913709 created "2023-09-22" @default.
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• W4386913709 date "2023-12-01" @default.
• W4386913709 modified "2023-10-17" @default.
• W4386913709 title "Highly specific and sensitive sandwich-type electrochemiluminescence biosensor for HPV16 DNA detection based on the base-stacking effect and bovine serum albumin carrier platform" @default.
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• W4386913709 doi "https://doi.org/10.1016/j.bios.2023.115706" @default.
• W4386913709 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37757512" @default.
• W4386913709 hasPublicationYear "2023" @default.
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