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Works (10)
Updated: April 5th, 2024 15:10
2024 article
Developing Aptamer-Based Colorimetric Opioid Tests
Canoura, J., Alkhamis, O., Venzke, M., Ly, P. T., & Xiao, Y. (2024, March 1). JACS AU, Vol. 3.
author keywords: aptamers; SELEX; opioids; high-throughputsequencing; exonuclease; dye-displacement assay; 3,3'-di(3-sulfopropyl)-4,5,4',5'-dibenzo-9-methyl-thiacarbocyanine; Marquis test
TL;DR:
This work develops on-site sensors for morphine and structurally related opioid compounds based on in vitro-selected oligonucleotide affinity reagents known as aptamers that enable the naked-eye identification of specific opioids within seconds and will play an important role in combatting opioid abuse.
(via Semantic Scholar)
pubs.acs.org (publisher PDF)
Sources: Web Of Science, NC State University Libraries
Added: March 18, 2024
2024 article
Exploring the Landscape of Aptamers: From Cross-Reactive to Selective to Specific, High-Affinity Receptors for Cocaine
Yang, K., Alkhamis, O., Canoura, J., Bryant, A., Gong, E. M., Barbu, M., … Landry, D. W. (2024, February 13). JACS AU, Vol. 2.
author keywords: cocaine; aptamer; specific; high-affinity; cross-reactive; hydrophobic receptor
TL;DR:
A series of progressively improved DNA aptamers recognizing cocaine are reported, with the final optimized receptors having low nanomolar affinity and over a thousand-fold selectivity over the initial cross-reactants.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: March 11, 2024
2024 journal article
High-Affinity Aptamers for <i>In Vitro</i> and <i>In Vivo</i> Cocaine Sensing
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 146(5), 3230–3240.
TL;DR:
High-stringency in vitro selection is performed to generate DNA aptamers that bind cocaine with nanomolar affinity and clinically relevant specificity, thus representing a dramatic improvement over the current-generation, micromolar-affinity, low-specificity cocaine aptamers.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: February 19, 2024
2023 journal article
Aptamer-Based Fentanyl Detection in Biological Fluids
ANALYTICAL CHEMISTRY, 95(49), 18258–18267.
TL;DR:
This work utilized library-immobilized SELEX to isolate new aptamers─nucleic acid-based bioreceptors that are well-suited for biosensing that can specifically bind fentanyl under physiological conditions and incorporated one of these into an electrochemical aptamer-based sensor that can rapidly detect fentanyl.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: January 29, 2024
2023 journal article
Comparison of Aptamer Signaling Mechanisms Reveals Disparities in Sensor Response and Strategies to Eliminate False Signals
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 145(22), 12407–12422.
MeSH headings : Aptamers, Nucleotide / chemistry; DNA; DNA, Complementary; Sensitivity and Specificity; SELEX Aptamer Technique / methods; Biosensing Techniques / methods
TL;DR:
This work has developed a series of sensors using aptamers for the small-molecule drugs flunixin, fentanyl, and furanyl fentanyl and compares their performance, focusing on their specificity, and demonstrates strategies for improving the sensitivity and specificity of aptamer sensors with the development of a "hybrid beacon".
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: July 19, 2023
2023 article
Suite of Aptamer-Based Sensors for the Detection of Fentanyl and Its Analogues
Canoura, J., Liu, Y., Perry, J., Willis, C., & Xiao, Y. (2023, April 25). ACS SENSORS, Vol. 4.
author keywords: aptamers; fentanyl; analogue; electrochemistry; colorimetry; fluorescence; bioanalytical; sensors
MeSH headings : Humans; United States; Fentanyl; Analgesics, Opioid; Illicit Drugs; Drug Overdose; Immunoassay
TL;DR:
A series of new aptamer-based assays and sensors that can detect fentanyl as well as several of its analogues in a reliable, accurate, rapid, and economic manner are developed and foresee the potential for routine use by medical and law enforcement personnel aswell as the general public to aid in rapid and accurate fentanyl identification.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: May 30, 2023
2023 article
Using Exonucleases for Aptamer Characterization, Engineering, and Sensing
Alkhamis, O., Canoura, J., Ly, P. T., & Xiao, Y. (2023, June 14). ACCOUNTS OF CHEMICAL RESEARCH, Vol. 6.
TL;DR:
The serendipitously discovered that the digestion of DNA aptamers by exonucleases is inhibited when an aptamer is bound to a ligand, which served as the foundation for the development of three novel aptamer-related methodologies in the laboratory.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: June 26, 2023
2022 journal article
DNA Aptamer-Cyanine Complexes as Generic Colorimetric Small-Molecule Sensors
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 61(3).
author keywords: aptamers; colorimetric detection; cyanine dyes; dye-displacement; small-molecule targets
TL;DR:
A rational approach is demonstrated to develop colorimetric cyanine dye-displacement assays that can be broadly applied to DNA aptamers regardless of their structure, sequence, affinity, or the physicochemical properties of their targets.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 18, 2022
2022 article
High-throughput quantitative binding analysis of DNA aptamers using exonucleases
Canoura, J., Alkhamis, O., Liu, Y., Willis, C., & Xiao, Y. (2022, December 30). NUCLEIC ACIDS RESEARCH, Vol. 12.
MeSH headings : Aptamers, Nucleotide / chemical synthesis; Aptamers, Nucleotide / chemistry; Exonucleases; Ligands; Nucleic Acids; SELEX Aptamer Technique / methods; Fentanyl / analysis; Robotics
TL;DR:
This work has developed a high-throughput method for accurately quantifying aptamer binding affinity, specificity, and cross-reactivity via the kinetics of aptamer digestion by exonucleases and this approach dramatically accelerates the aptamer characterization process and streamlines sensor development.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 17, 2023
2022 article
Near-Infrared Dye-Aptamer Assay for Small Molecule Detection in Complex Specimens
Jin, X., Liu, Y., Alkhamis, O., Canoura, J., Bacon, A., Xu, R., … Xiao, Y. (2022, July 7). ANALYTICAL CHEMISTRY, Vol. 7.
MeSH headings : Aptamers, Nucleotide / chemistry; Biological Assay; Biosensing Techniques / methods
TL;DR:
The utility of dye-aptamer NIR biosensors for high-throughput detection of analytes in clinical specimens is shown and the generality of this assay is demonstrated by detecting three different small-molecule analytes with their respective DNA aptamers at clinically relevant concentrations in serum and urine.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: July 26, 2022
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