Deans' stroke musings: Fully Biobased, Robust, and High-Conductivity Hydrogel for High-Fidelity Electrophysiological Monitoring and Deep Learning-Assisted Stroke Rehabilitation

Changing stroke rehab and research worldwide now.Time is Brain! trillions and trillions of neurons that DIE each day because there are NO effective hyperacute therapies besides tPA(only 12% effective). I have 523 posts on hyperacute therapy, enough for researchers to spend decades proving them out. These are my personal ideas and blog on stroke rehabilitation and stroke research. Do not attempt any of these without checking with your medical provider. Unless you join me in agitating, when you need these therapies they won't be there.

What this blog is for:

My blog is not to help survivors recover, it is to have the 10 million yearly stroke survivors light fires underneath their doctors, stroke hospitals and stroke researchers to get stroke solved. 100% recovery. The stroke medical world is completely failing at that goal, they don't even have it as a goal. Shortly after getting out of the hospital and getting NO information on the process or protocols of stroke rehabilitation and recovery I started searching on the internet and found that no other survivor received useful information. This is an attempt to cover all stroke rehabilitation information that should be readily available to survivors so they can talk with informed knowledge to their medical staff. It lays out what needs to be done to get stroke survivors closer to 100% recovery. It's quite disgusting that this information is not available from every stroke association and doctors group.

Monday, June 1, 2026

Fully Biobased, Robust, and High-Conductivity Hydrogel for High-Fidelity Electrophysiological Monitoring and Deep Learning-Assisted Stroke Rehabilitation

Brunnstrom stages are not objective and 'assessments' do nothing towards recovery, so I see nothing here that helps survivors.

Fully Biobased, Robust, and High-Conductivity Hydrogel for High-Fidelity Electrophysiological Monitoring and Deep Learning-Assisted Stroke Rehabilitation

Zhoujing Chen
Didi Wen
Xiaoli Liang
Yuqi Li*
Yongkang Bai*

Abstract

Developing sustainable bioelectronics that simultaneously integrate mechanical robustness, high conductivity, biocompatibility, and system-level functionality remains a fundamental challenge. Here, we report a Hofmeister-engineered, fully biobased hydrogel platform (GT2C20) that addresses these limitations through a synergistic dual physical cross-linking network. By combining citrate-induced chain compaction and continuous ionic transport pathways, this hydrogel achieves high tensile strength (0.73 MPa), large extensibility (272.5%), and high electrical conductivity (1.8 S m–1), overcoming intrinsic trade-offs in conventional gelatin-based systems. Building on these properties, GT2C20 enables an integrated multifunctional bioelectronic system. As a skin-conformal bioelectrode, it provides high-fidelity acquisition of electrophysiological signals (ECG, EEG, and EMG), achieving a high signal-to-noise ratio (24.3 dB for ECG) compared to commercial Ag/AgCl electrodes. When integrated with deep learning algorithms, the platform enables autonomous assessment of Brunnstrom stages for stroke rehabilitation with an accuracy of 97.31%, while a wireless telemedicine system supports remote diagnosis and personalized healthcare management. In parallel, the hydrogel functions as a highly stable strain sensor for real-time motion monitoring and precise gesture recognition, enabling intuitive control of prosthetic devices. Additionally, the hydrogel acts as a triboelectric nanogenerator electrode, yielding an open-circuit voltage of 72.1 V to power its own functions, while a microcontroller system supports wireless telemedicine and remote rehabilitation monitoring. This work presents an eco-friendly strategy for fabricating high-performance, biobased flexible electronics suited for health monitoring, telemedicine, and soft robotics.