Themed collection Bioelectronics

A new perspective for the study/treatment of neurological conditions using in vivo photopharmacology is presented, including initial experimental and computational data.

The ISFET is a label-free, miniaturized, sensitive, and rapid-response sensor for disease screening and monitoring. This review covers its structure, recent researches, challenges, solutions, and future prospects for biomarker measurement.

Wound infection has always been a huge threat to human health.

As emerging medical tool microneedles have attracted significant attention since puncture the skin noninvasively and painlessly, facilitating tasks such as physiological monitoring, disease diagnosis, and transdermal drug delivery.

A bioelectronic mucus-on-a-chip model is developed to monitor intestinal mucus barrier properties. The effects of a mucolytic agent and biofilm formation are investigated, offering insights into gastrointestinal mucus and biofilm research.

A mixed ionic–electronic conductor (MIEC) comprising sulfated cellulose nanocrystals (S-CNCs) as nanotemplate is investigated in organic electrochemical transistors (OECTs) with remarkable channel current and high transconductance values.

A tough and adhesive conductive double network hydrogel (PVA/PHEAA–TA–Al³⁺ gel) was prepared via rapid in situ room temperature gelation processes (25 °C, 215 s) in a tannic acid–aluminium ion (TA–Al³⁺) dual self-catalysis system.

Conductive hydrogels patterned with a confocal laser can produce complex shapes that support neuronal growth for over 7 weeks.

A wearable dual-mode sensor is created by integrating liquid metal into an ionogel. It can simultaneously monitor both the electrocardiogram and arterial pulse to simplify the measurement of the pulse transit time and thus the blood pressure.

A cervical pressure sensor with stress sensing and selective adhesion inspired by the Janus wettability of lotus leaves.

An injectable PEDOT:PSS/acetic acid-based hydrogel was formulated with mechanical and electrochemical properties being independently tuneable. The material was characterised in vitro and ex vivo, with prospective applications in neural interfacing.

The search for novel carbon allotropes with unique electrochemical properties remains a key area of research in materials science.

A spherical cell under the influence of a time varying magnetic field (H) inducing an electric field (E) which results in a force (F) and a corresponding stress S_k on the membrane.

A Se@fMWCNT nanocomposite with peroxidase mimicking activity was used for the electrochemical detection of H₂O₂ and glutathione. Both analytes were detected using amperometry at a low potential of −0.2 V, with excellent selectivity and sensitivity.

With the advancement in the field of biomedical research, there is a growing demand for biodegradable electronic devices.

A glycolated polythiophene, p(g3T2), enables controlled drug loading/release of molecules with molecular weight of 800–6000 Da, due to large, reversible volume changes during electrochemical doping.