ArticleNature nanotechnology2024
Carbon-nanotube field-effect transistors for resolving single-molecule aptamer-ligand binding kinetics.
Article in Nature nanotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Optimization of SWCNT-FET Biosensors by Aptamer Engineering and Toehold-Mediated Strand Displacement.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Article
- Molecular electronic devices based on atomic manufacturing methods.Microsystems & nanoengineering · 2025Review
- Real-Time Visualisation of Reaction Kinetics and Dynamics: Single-Molecule Insights into the Iminium-Catalysed Diels-Alder Reaction.Angewandte Chemie (International ed. in English) · 2025Article
- Biomimetic Carbon-Based Nanomaterials: From Design Strategies to Next-Generation Biosensing and Theranostic Applications.Small (Weinheim an der Bergstrasse, Germany) · 2025Review
- Review
- Decoding information stored in DNAs through single-molecule electrical detection platforms.Innovation (Cambridge (Mass.)) · 2025Review
- Hetero-Functionalization of Carbon Nanotubes Termini with Single-Molecule Control.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
- An MOF-Enhanced Anti-Fouling Immunoprobe Platform for Efficient Direct Screening of Pancreatic Cancer.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- An Implantable, Ultralow Distortion Bioelectronic Interface Integrating Light-Emitting Diodes and Graphene Field-Effect Transistors.ACS nano · 2025Article
- Materials and device strategies to enhance spatiotemporal resolution in bioelectronics.Nature reviews. Materials · 2025Article
- Article
- Single-Molecule Electrical Profiling of Peptides and Proteins.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Review
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Small molecules such as neurotransmitters are critical for biochemical functions in living systems. While conventional ultraviolet-visible spectroscopy and mass spectrometry lack portability and are unsuitable for time-resolved measurements in situ, techniques such as amperometry and traditional field-effect detection require a large ensemble of molecules to reach detectable signal levels. Here we demonstrate the potential of carbon-nanotube-based single-molecule field-effect transistors (smFETs), which can detect the charge on a single molecule, as a new platform for recognizing and assaying small molecules. smFETs are formed by the covalent attachment of a probe molecule, in our case a DNA aptamer, to a carbon nanotube. Conformation changes on binding are manifest as discrete changes in the nanotube electrical conductance. By monitoring the kinetics of conformational changes in a binding aptamer, we show that smFETs can detect and quantify serotonin at the single-molecule level, providing unique insights into the dynamics of the aptamer-ligand system. In particular, we show the involvement of G-quadruplex formation and the disruption of the native hairpin structure in the conformational changes of the serotonin-aptamer complex. The smFET is a label-free approach to analysing molecular interactions at the single-molecule level with high temporal resolution, providing additional insights into complex biological processes.
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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.