ArticleACS sensors2025
Polymer Coating for the Long-Term Storage of Immobilized DNA.
Article in ACS sensors, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- In Vivo Continuous Biosensing: Design Considerations and Emerging Technologies.Small (Weinheim an der Bergstrasse, Germany) · 2026Review
- Dual-Channel Interdigitated Aptamer-Based Sensors for Rapid Small-Molecule Detection in Biofluids.Angewandte Chemie (International ed. in English) · 2026Article
- Simultaneous detection of SARS-CoV-2 proteins and nucleic acids by coupling PNIPAM with circle-to-circle amplification.Analytical sciences : the international journal of the Japan Society for Analytical Chemistry · 2026Article
- Wearable Biosensors for Continuous Monitoring of Chronic Kidney Disease: Materials, Biofluids, and Digital Health Integration.Biosensors · 2026Review
- Surface and Interface Engineering in Integrated Photonic Sensors: Performance Trade-Offs, Stability, and Benchmarking.Micromachines · 2026Review
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
As healthcare systems worldwide demand early disease detection and personalized medicine, electrochemical biosensors stand out as a promising technology to meet these demands due to their sensitivity, selectivity, and rapid response. Specifically, DNA-based electrochemical biosensors are versatile and have been used to identify biomarkers of various infectious diseases. However, there is a significant gap between laboratory-scale proof-of-concept systems and commercially viable technologies. Commercialization of such sensors faces many challenges, with one of the most important being the stability and shelf life of the immobilized DNA. Surface-associated DNA faces thermal degradation, structural changes, and oxidation of tethering thiol groups, which causes DNA stripping from the surface. Currently, technology to support the long-term storage of these sensors at ambient temperatures is limited. Here, we report a novel method to preserve DNA in electrochemical biosensors through the application of a protective coating of poly(vinyl alcohol) (PVA). We show that with our PVA coating, the shelf life of dried, DNA-functionalized electrodes at ambient temperature is a minimum of 2 months. We further demonstrate that the protective capabilities of PVA extend to temperatures as high as 65 °C and that the biological relevance of the assay is not impacted by the coating. Our simple approach to DNA protection supports our understanding of how the electrode interfaces with biomolecules and facilitates biosensor scaling and commercialization.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.