ArticleAnalytical chemistry2025
Single-Molecule Biodosimetry.
Article in Analytical chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inferring characteristics of radiation exposure using biological molecules is extremely challenging. Current methods, in particular, lack a clear connection between dose and molecular response. Here, we demonstrate that resistive-pulse nanopore sensors enable single-molecule biodosimetry by quantifying the frequency of double-strand DNA scissions versus γ radiation dose. The resulting response curve shows an elongated Gaussian behavior, reminiscent of cell survival rates versus dose. We demonstrate that the competition of radical damage of DNA─i.e., single-strand lesions that lead to breakage─with bimolecular radical loss captures the form of the response. Our sensors and protocol provide a foundation for numerous technological advances. These include rapid dosimetry for triage in emergency situations and ex vivo monitoring of radiotherapy effectiveness in order to tailor treatment to patient- and tumor-specific response.
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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.