Search Results - "BRENNAN, John"
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Biosensing with DNAzymes
Published in Chemical Society reviews (21-08-2021)“…This article provides a comprehensive review of biosensing with DNAzymes, providing an overview of different sensing applications while highlighting major…”
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A Multi‐component All‐DNA Biosensing System Controlled by a DNAzyme
Published in Angewandte Chemie International Edition (22-06-2020)“…We report on a programmable all‐DNA biosensing system that centers on the use of a 4‐way junction (4WJ) to transduce a DNAzyme reaction into an amplified…”
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A DNAzyme Feedback Amplification Strategy for Biosensing
Published in Angewandte Chemie International Edition (22-05-2017)“…We report a signal amplification strategy termed DNAzyme feedback amplification (DFA) that takes advantage of rolling‐circle amplification (RCA) and an…”
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DNAzymes as key components of biosensing systems for the detection of biological targets
Published in Biosensors & bioelectronics (01-04-2021)“…DNAzymes are synthetic functional nucleic acids that have found widespread use in biosensing applications both for molecular recognition and signal generation…”
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Diverse high-affinity DNA aptamers for wild-type and B.1.1.7 SARS-CoV-2 spike proteins from a pre-structured DNA library
Published in Nucleic acids research (21-07-2021)“…Abstract We performed in vitro selection experiments to identify DNA aptamers for the S1 subunit of the SARS-CoV-2 spike protein (S1 protein). Using a pool of…”
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Making target sites in large structured RNAs accessible to RNA-cleaving DNAzymes through hybridization with synthetic DNA oligonucleotides
Published in Nucleic acids research (14-10-2024)“…Abstract The 10–23 DNAzyme is one of the most active DNA-based enzymes, and in theory, can be designed to target any purine-pyrimidine junction within an RNA…”
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A Paper Sensor Printed with Multifunctional Bio/Nano Materials
Published in Angewandte Chemie International Edition (16-04-2018)“…We report a paper‐based aptasensor platform that uses two reaction zones and a connecting bridge along with printed multifunctional bio/nano materials to…”
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A Rapid Sputum-based Lateral Flow Assay for Airway Eosinophilia using an RNA-cleaving DNAzyme Selected for Eosinophil Peroxidase
Published in Angewandte Chemie International Edition (18-09-2023)“…The first protein-binding allosteric RNA-cleaving DNAzyme (RCD) obtained by direct in vitro selection against eosinophil peroxidase (EPX), a validated marker…”
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A DNAzyme‐Based Colorimetric Paper Sensor for Helicobacter pylori
Published in Angewandte Chemie International Edition (15-07-2019)“…The reliable detection of pathogenic bacteria in complex biological samples using simple assays or devices remains a major challenge. Herein, we report a…”
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In Vitro Selection of Circular DNA Aptamers for Biosensing Applications
Published in Angewandte Chemie International Edition (11-06-2019)“…We report on the first effort to select DNA aptamers from a circular DNA library, which resulted in the discovery of two high‐affinity circular DNA aptamers…”
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High‐Affinity Dimeric Aptamers Enable the Rapid Electrochemical Detection of Wild‐Type and B.1.1.7 SARS‐CoV‐2 in Unprocessed Saliva
Published in Angewandte Chemie International Edition (02-11-2021)“…We report a simple and rapid saliva‐based SARS‐CoV‐2 antigen test that utilizes a newly developed dimeric DNA aptamer, denoted as DSA1N5, that specifically…”
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12
Nucleic Acid Enzyme-Activated CRISPR-Cas12a With Circular CRISPR RNA for Biosensing
Published in Small (Weinheim an der Bergstrasse, Germany) (01-10-2023)“…clustered regularly interspaced short palindromic repeats (CRISPR)-Cas systems are increasingly used in biosensor development. However, directly translating…”
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A Lateral Flow Test for Staphylococcus aureus in Nasal Mucus Using a New DNAzyme as the Recognition Element
Published in Angewandte Chemie International Edition (17-01-2022)“…Detection of pathogenic bacteria in complex biological matrices remains a major challenge. Herein, we report the selection and optimization of a new DNAzyme…”
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A review of safety, side-effects and subjective reactions to intranasal oxytocin in human research
Published in Psychoneuroendocrinology (01-09-2011)“…Summary Background Human research investigating the impact of intranasal oxytocin on psychological processes has accelerated over the last two decades. No…”
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Functional Nucleic Acids for Pathogenic Bacteria Detection
Published in Accounts of chemical research (21-09-2021)“…Conspectus Pathogens have long presented a significant threat to human lives, and hence the rapid detection of infectious pathogens is vital for improving…”
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A Graphene-Based Biosensing Platform Based on the Release of DNA Probes and Rolling Circle Amplification
Published in ACS nano (24-06-2014)“…We report a versatile biosensing platform capable of achieving ultrasensitive detection of both small-molecule and macromolecular targets. The system features…”
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In‐vitro Clinical Diagnostics using RNA‐Cleaving DNAzymes
Published in Chembiochem : a European journal of chemical biology (03-06-2024)“…Over the last three decades, significant advancements have been made in the development of biosensors and bioassays that use RNA‐cleaving DNAzymes (RCDs) as…”
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A Universal DNA Aptamer that Recognizes Spike Proteins of Diverse SARS‐CoV‐2 Variants of Concern
Published in Chemistry : a European journal (10-03-2022)“…We report on a unique DNA aptamer, denoted MSA52, that displays universally high affinity for the spike proteins of wildtype SARS‐CoV‐2 as well as the Alpha,…”
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In Vitro Selection of a DNA Aptamer Targeting Degraded Protein Fragments for Biosensing
Published in Angewandte Chemie International Edition (11-05-2020)“…Protein biomarkers often exist as degradation fragments in biological samples, and affinity agents derived using a purified protein may not recognize them,…”
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Self‐Assembled Functional DNA Superstructures as High‐Density and Versatile Recognition Elements for Printed Paper Sensors
Published in Angewandte Chemie International Edition (17-09-2018)“…Micrometer‐sized functional nucleic acid (FNA) superstructures (denoted as 3D DNA) were examined as a unique class of biorecognition elements to produce highly…”
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