September 12, 2025Open Access

Kinetic insights into carbon nanotube-based neurotransmitter sensors by single molecule experiments

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Single-molecule detection of neurotransmitters in sensors shows binding rates in carbon nanotubes, suggesting improved selectivity.

Binding and unbinding rates of neurotransmitters were measured, revealing kinetic insights.
Single molecule detection using fluorescent carbon nanotubes enabled the observation of neurotransmitter interactions.
Two exponential first-order kinetics characterized the debinding process of neurotransmitters.
Sensitivity improvements correlate with the brightness of carbon nanotube sensors, impacting their selectivity.

Gretz et al. (2025) studied this question.

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