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Published Erratum
. 2021 Jul 27;118(30):e2110994118.
doi: 10.1073/pnas.2110994118.

Correction for Dagdeviren et al., Conformal piezoelectric energy harvesting and storage from motions of the heart, lung, and diaphragm

No authors listed
Published Erratum

Correction for Dagdeviren et al., Conformal piezoelectric energy harvesting and storage from motions of the heart, lung, and diaphragm

No authors listed. Proc Natl Acad Sci U S A. .
No abstract available

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Figures

Fig. 3.
Fig. 3.
In vivo evaluation of the optimal placement and orientation of PZT MEHs on the heart, and assessment of voltage output by varying the heart rate via dobutamine infusion and use of a temporary pacemaker. (A) Photograph of PZT MEHs on the RV, LV, and free wall of a bovine heart. (B) PZT MEH cointegrated with a rectifier and rechargable battery, mounted on the RV of a bovine heart, shown during expansion (Left) and relaxation (Right). Open circuit voltage as a function of time for PZT MEHs on bovine (green) and ovine (blue) hearts, mounted on (C) RV, (D) LV, and (E) free wall at an orientation of 0° relative to the apex of the heart. Here, the heart rate is 80 beats per min for bovine RV and 110 beats per min for bovine LV, free wall and ovine RV, LV, and free wall. (F) Photograph of PZT MEHs oriented at different angles. (G) Measurements of maximum values of the peak open circuit voltages produced by these devices indicate peak output at 45°. Error bar is calculated SE. (H) Average peak voltages of a PZT MEH on the RV of a bovine heart at 0° for various heart rates (80–120 beats per min) controlled by a temporary pacemaker. (I) Maximum peak voltage for various dosages of dobutamine infusion, for the case of a device on the RV (green points) and LV (pink points) of a bovine heart at 0°. Error bar is calculated SE. Voltage as a function of time for PZT MEHs on the LV (J) and RV (K) of a bovine heart, with a base and maximum dose of dobutamine.
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