Targeted muscle reinnervation(TMR)is a microsurgical repair technique to reconstruct the anatomical structure between thedistal nerve and the muscle stump to provide more myoelectric information to the artificially in...Targeted muscle reinnervation(TMR)is a microsurgical repair technique to reconstruct the anatomical structure between thedistal nerve and the muscle stump to provide more myoelectric information to the artificially intlligent prosthesis.Postoperative functional electrical stimulation treatment of the patient's denervated muscle or proximal nerve stump as well asnerve growth factor injection is effective in promoting nerve regeneration and muscle function recovery.In this experiment,wesuccessfully established a TMR rat model and divided Sprague-Dawley(SD)adult male rats into IMR group,TMR+FESgroup,and TMR+NGF group acording to TMR and whether they received FES treatment or NGF injection after surgery.and the recovery ffect of rat neuromuscular function was assessed by analyzing EMG signals.Through the experiments,weconfrmed that growth factor supplementation and lowfrequency electrical stimulation can efectively promote theregeneration of the transplanted nerve as well as signifcantly enhance the motor function of the target muscle and have a positive effect on the regeneration of the transplanted nerve.展开更多
PtSn2-SnO2/C nanocatalyst was prepared by co-reduction of Pt and Sn precursor at ca,15℃.The formation of PtSn2-SnO2 nanoparticle was determined by XRD,TEM and XPS characterization.This PtSn2-SnO2/C nanocatalyst exhib...PtSn2-SnO2/C nanocatalyst was prepared by co-reduction of Pt and Sn precursor at ca,15℃.The formation of PtSn2-SnO2 nanoparticle was determined by XRD,TEM and XPS characterization.This PtSn2-SnO2/C nanocatalyst exhibits stronger resistance to CO poisoning and effectively improves methanol electro-catalytic effect,up to 3 times than the commercial Pt/C catalyst.展开更多
基金supported by the National Science Foundation of China(Nos.81960419,81760416,and 81927804)the Sci-ence and Technology Project of Department of Education of Guizhou Province(Grant no.KY[2018]056)+3 种基金Zunyi Medical University Postgraduate Education Innovation Program Pro-ject(ZYK033)the Science and Technology Project of Zunyi(Grant No.HZ[2019]12)Student Innovation Project of Zunyi Medical University(ZHCX202129,ZHCX202117)the CAS Key Laboratory of Human-Machine Intelligence Synergic Systems,Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences,and the Guangdong-Hong Kong-Macao Joint Laboratory of Human-Machine Intelligence-Synergy Systems(No.2019B121205007).
文摘Targeted muscle reinnervation(TMR)is a microsurgical repair technique to reconstruct the anatomical structure between thedistal nerve and the muscle stump to provide more myoelectric information to the artificially intlligent prosthesis.Postoperative functional electrical stimulation treatment of the patient's denervated muscle or proximal nerve stump as well asnerve growth factor injection is effective in promoting nerve regeneration and muscle function recovery.In this experiment,wesuccessfully established a TMR rat model and divided Sprague-Dawley(SD)adult male rats into IMR group,TMR+FESgroup,and TMR+NGF group acording to TMR and whether they received FES treatment or NGF injection after surgery.and the recovery ffect of rat neuromuscular function was assessed by analyzing EMG signals.Through the experiments,weconfrmed that growth factor supplementation and lowfrequency electrical stimulation can efectively promote theregeneration of the transplanted nerve as well as signifcantly enhance the motor function of the target muscle and have a positive effect on the regeneration of the transplanted nerve.
基金supported by NSFC (Nos. 21373116 and 21421001)the Tianjin Natural Science Research Fund (No. 13JCYBJC18300)+1 种基金RFDP (No. 20120031110005)the MOE Innovation Team (No. IRT13022) of China
文摘PtSn2-SnO2/C nanocatalyst was prepared by co-reduction of Pt and Sn precursor at ca,15℃.The formation of PtSn2-SnO2 nanoparticle was determined by XRD,TEM and XPS characterization.This PtSn2-SnO2/C nanocatalyst exhibits stronger resistance to CO poisoning and effectively improves methanol electro-catalytic effect,up to 3 times than the commercial Pt/C catalyst.
