Diagnostic devices articles from across Nature Portfolio

No preventive treatment addresses the underlying condition that leads to cardiac arrest. Here, researchers developed an injectable hydrogel electrode that achieves pacing that mimics physiological conduction with the potential to eliminate lethal arrhythmias and provide painless defibrillation.

Developing point-of-care devices for the detection of pathogenic bacteria is essential to prevent and treat infections and to provide food security. This Review highlights paper-based analytical devices with substantial point-of-care applicability for bacteria detection and discusses challenges and opportunities for future development.

Detection of cytokine biomarkers has the potential to aid in diagnosis and treatment of different diseases. Here, the authors report on the creation of an asymmetric geometry MoS₂ diode-based biosensor for the detection of TNF-α as a model biomarker in a proof of concept study.

Wearable sensors that access both biophysical and biochemical information can be used to monitor the physiological state of an individual and facilitate diagnosis. This Review examines the building blocks of wearable devices, including the substrate materials as well as the sensing, decision-making and power modules.

Self-adhesive bioimpedance graphene electronic tattoos enable accurate continuous blood pressure monitoring.

Biomarkers in breath can be related to certain diseases, which makes breath-based analysis a powerful diagnostic tool. Here we highlight milestones and remaining challenges for the broad clinical implementation of wearables for breath analysis.

Materials scientists have played a key role in the global response to the COVID-19 pandemic from the development of vaccines and diagnostic tools to the rapid prototyping of ventilators.

Sharing protocols with the end-users may allow their flexible implementation to produce nanotechnology solutions for global health challenges that better cater for local needs.

When developing nanotechnology solutions for global health it is important to be mindful of the ethical, environmental, socio-economical, cultural and legal aspects associated with their deployment.

Wearable electronic devices, which allow physiological signals to be continuously monitored, can be used in the early detection of asymptomatic and pre-symptomatic cases of COVID-19.

DNA nanodevices that can enter cells and quantitatively image the level of chemicals in organelles might find applications in medical diagnostics.