Articles with "dna walker" as a keyword



In2S3/MXene‐Gated Organic Photoelectrochemical Transistor With Target‐Induced Dipedal DNA Walker Modulation for DBP Biosensing

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202411008

Abstract: Organic photoelectrochemical transistor (OPECT) biosensor have become an advanced bioanalytical technology due to their superior performance. In this work, a novel target‐induced bipedal DNA walker‐mediated and In2S3/Ti3C2 (MXene) Schottky junction‐gated OPECT aptasensor is developed. The… read more here.

Keywords: detection; mxene; dna walker; target ... See more keywords

A target-triggered biosensing platform for detection of HBV DNA based on DNA walker and CHA.

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Published in 2018 at "Analytical biochemistry"

DOI: 10.1016/j.ab.2018.05.024

Abstract: Hepatitis B virus (HBV), one of the causative agents of viral hepatitis, may lead to chronic hepatitis, cirrhosis, and liver cancer. In this work, we designed a sensitive and modular biosensing platform for detecting HBV… read more here.

Keywords: detection; dna; dna walker; hbv dna ... See more keywords

Proximity hybridization-induced on particle DNA walker for ultrasensitive protein detection.

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Published in 2019 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2019.05.013

Abstract: A simple proximity hybridization-induced on particle DNA walker was designed for ultrasensitive detection of proteins, for example platelet-derived growth factor (PDGF-BB) secreted by cancer cells, in which the DNA walker was activated by specific target… read more here.

Keywords: dna walker; hybridization induced; dna; proximity hybridization ... See more keywords
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Sensitive detection of cytokine in complex biological samples by using MB track mediated DNA walker and nicking enzyme assisted signal amplification method combined biosensor.

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Published in 2018 at "Talanta"

DOI: 10.1016/j.talanta.2018.06.074

Abstract: Highly sensitive detection of proteins is essential to biomedical research as well as clinical diagnosis. However, usual detecting methods are complicated operating, time-costing and extensive label preparing. Here, we combined molecular beacon (MB) track mediated… read more here.

Keywords: detection; track; dna walker; sensitive detection ... See more keywords

Construction of Fast-Walking Tetrahedral DNA Walker with Four Arms for Sensitive Detection and Intracellular Imaging of Apurinic/Apyrimidinic Endonuclease 1.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c01171

Abstract: Herein, a novel tetrahedral DNA walker with four arms was engineered to travel efficiently on the 3D-tracks via catalyzed hairpin assembly autonomously, realizing the sensitive detection and activity assessment as well as intracellular imaging of… read more here.

Keywords: walker four; dna; detection; tetrahedral dna ... See more keywords

High-Efficiency 3D DNA Walker Immobilized by a DNA Tetrahedral Nanostructure for Fast and Ultrasensitive Electrochemical Detection of MiRNA.

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Published in 2023 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c04847

Abstract: Herein, by directly limiting the reaction space, an ingenious three-dimensional (3D) DNA walker (IDW) with high walking efficiency is developed for rapid and sensitive detection of miRNA. Compared with the traditional DNA walker, the IDW… read more here.

Keywords: detection mirna; efficiency; dna; dna walker ... See more keywords

Well-Aligned Track-Accelerated Tripedal DNA Walker for Photoelectrochemical Recognition of Dual-miRNAs Based on Molecular Logic Gates.

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Published in 2023 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.3c00027

Abstract: Post-transcriptional regulators, microRNAs (miRNAs), are involved in the occurrence and progression of various diseases. However, due to the complexity of disease-related miRNA regulatory networks, the typing and identification of miRNAs have remained challenging. Herein, a… read more here.

Keywords: logic gates; dna; tripedal dna; dual mirnas ... See more keywords

Sensitive Electrochemical Sensor for Glycoprotein Detection Using a Self-Serviced-Track 3D DNA Walker and Catalytic Hairpin Assembly Enzyme-Free Signal Amplification.

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Published in 2023 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.3c00422

Abstract: Approaches for the detection of targets in the cellular microenvironment have been extensively developed. However, developing a method with sensitive and accurate analysis for noninvasive cancer diagnosis has remained challenging until now. Here, we reported… read more here.

Keywords: self serviced; dna; serviced track; detection ... See more keywords

Proximity-Induced Bipedal DNA Walker for Accurately Visualizing microRNA in Living Cancer Cell.

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Published in 2024 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.4c01483

Abstract: DNA walker, a type of dynamic DNA device that is capable of moving progressively along prescribed walking tracks, has emerged as an ideal and powerful tool for biosensing and bioimaging. However, most of the reported… read more here.

Keywords: cancer; dna walker; proximity; bipedal dna ... See more keywords

Multispatially Localized DNA Walker Coupling Covalent Organic Framework for Dual-Mode Detection of Nucleocapsid Protein Using the Walking-Recycling-Conversion Strategy.

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Published in 2024 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.4c03846

Abstract: DNA walkers have emerged as a powerful tool in bioanalysis; however, many existing approaches are still restricted by low reaction kinetics and inaccurate single-mode detection. Herein, a fluorescence (FL) and electrochemical (EC) dual-mode biosensor was… read more here.

Keywords: detection; dna walker; dual mode; mode ... See more keywords

Smart DNA Machine for Carcinoembryonic Antigen Detection by Exonuclease III-Assisted Target Recycling and DNA Walker Cascade Amplification.

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Published in 2017 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.7b02073

Abstract: A synthetic DNA machine performs quasi-mechanical movements in response to external intervention, suggesting the promise of constructing sensitive and specific biosensors. Herein, a smart DNA walker biosensor for label-free detection of carcinoembryonic antigen (CEA) is… read more here.

Keywords: detection; dna; dna machine; dna walker ... See more keywords