PEDOT: PSS Aerogel Aerogels Aniline BONE Biocompatibility Biodegradability Biodegradable polymers Biodegradation Biomedical application Biomedical applications CARDIAC TISSUE CHONDROGENIC DIFFERENTIATION CROSS-LINKING Charge/discharge Chemical modification Conducting polymer Conducting polymers Conductive scaffold Conductive scaffolds Cycle performance DRUG-DELIVERY Degradation Degradation rate Electrically conductive Electron transport Electron transport properties Ethylenedioxythiophenes FABRICATION Fabrication