Nanoparticle Chain based Materials for Shielding and Flexible Devices

Simple filtration-based fabrication of a flexible wearable device for recording electromyogram is achieved in a bi-layer structure. The outer layer with high resistance shields the inner sensing layer from interfering electrical signals. The shielding effect results in a significantly improved signal to noise ratio. The shielding ability is attributed to multiple reflections of the electromagnetic waves due to the inhomogeneous structure of the layer.