Fig. 2: Performance and characterization of ultrasound-driven piezoelectric hydrogel bioelectronics. | Nature Communications

Fig. 2: Performance and characterization of ultrasound-driven piezoelectric hydrogel bioelectronics.

From: Mechano-bioactive hydrogel bioelectronics for mechanical-electrical-bioenergetic conversion and glia-modulating neural regeneration

Fig. 2: Performance and characterization of ultrasound-driven piezoelectric hydrogel bioelectronics.The alternative text for this image may have been generated using AI.

A Scanning electron microscopy (SEM) image of BaTiO3 nanoparticles (BTNPs). B Particle size distribution by SEM image of BTNPs. C Transmission electron microscopy (TEM) image of BTNPs. D Ba, Ti, and O element mapping of a single BTNP by Energy Dispersive Spectrometer (EDS). A, C and D are representative images from one of three independently prepared samples with similar results. E XRD pattern of BTNPs and enlarged (002) and (200) peaks (the inset). F High-resolution transmission electron microscopy (HRTEM) image of BTNP. G Fast Fourier transform (FFT) pattern of an individual BTNP. H Raman spectra of BTNPs. I The amplitude variation curve of a point on the BTNP as a function of the applied DC bias voltage measured by Piezoresponse Force Microscopy (PFM). J Phase variation of BTNP with DC bias scanning. (K, L) Confocal reflection microscopy images of COL-1 hydrogel K and BaTiO3@COL-1 hydrogel L under 488 nm laser. Representative image from one of three independently prepared samples with similar results. (M-O) Rheological characterization of BaTiO3@COL-1 hydrogel. Data are presented as mean ± SD from n = 3 independent samples.

Back to article page