Fig. 1From: Printable, Highly Sensitive Flexible Temperature Sensors for Human Body Temperature Monitoring: A ReviewSchematic illustration of the substrate materials for part of flexible sensors. Clockwise from right top: polyimide (PI) [55], polyurethane (PU) [56], pectin [32], silk [33], cellulose [57], paper [28], ecoflex [31] polydimethylsiloxane (PDMS) [58]Back to article page