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Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials
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Electrical Sensitive Trianthracene Nanoparticle for Afterglow Imaging Epileptic Abnormal Discharges
Jinyu Li1, Zhe Li1, Baode Chen1
1State Key Laboratory of Chemo and Biosensing, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China.
Angewandte Chemie (International Ed. in English)
|February 12, 2026
Summary
Researchers developed afterglow nanoparticles (TA-NPs) for detecting abnormal brain electrical discharge in epilepsy models. These nanoparticles show potential for improved epilepsy monitoring and understanding cumulative electrical abnormalities.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Materials Science
Background:
- Epilepsy monitoring requires accurate detection of abnormal brain discharge.
- Current imaging techniques face limitations in capturing cumulative electrical abnormalities in vivo.
- Developing novel tools is crucial for advancing epilepsy diagnosis and treatment.
Purpose of the Study:
- To develop and evaluate afterglow nanoparticles (TA-NPs) for in vivo detection of cumulative abnormal brain discharge in epilepsy.
- To assess the responsiveness of TA-NPs to electrical stimulation and their sensitivity to epileptic activity.
- To explore the potential of TA-NPs as a diagnostic tool for epilepsy.
Main Methods:
- Synthesis of afterglow nanoparticles (TA-NPs) using a trianthracene derivative (TA) and amphiphilic polymer PSMA.
- In vitro assessment of TA-NP response to external current stimulation.
- In vivo application of TA-NPs in an acute epilepsy model to monitor brain electrical activity.
- Evaluation of TA-NP afterglow intensity changes in response to electrical parameters and curcumin pretreatment.
Main Results:
- TA-NPs demonstrated a turn-off trend in afterglow intensity upon external current stimulation, indicating sensitivity to electrical changes.
- In vivo studies showed a correlation between TA-NP afterglow intensity and brain current parameters in an epilepsy model.
- TA-NPs exhibited distinguishable changes in response to curcumin pretreatment, which reduced epileptic discharge, confirming their sensitivity to cumulative electrical abnormalities.
- TA-NPs remained stable under normal neuronal activity.
Conclusions:
- Afterglow nanoparticles (TA-NPs) offer a novel approach for detecting cumulative abnormal brain discharge in epilepsy.
- TA-NPs show promise as a sensitive and responsive tool for in vivo epilepsy monitoring.
- This technology could advance the study and treatment of epilepsy by providing better insights into abnormal electrical activity.
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