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Electrostatic in-plane structural superlubric actuator.
Nat Commun
January 2025
Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China.
Micro actuators are widely used in NEMS/MEMS for control and sensing. However, most are designed with suspended beams anchored at fixed points, causing two main issues: restricted actuated stroke and movement modes, and reduced lifespan due to fatigue from repeated beam deformation, contact wear and stiction. Here, we develop an electrostatic in-plane actuator leveraging structural superlubric sliding interfaces, characterized by zero wear, ultralow friction, and no fixed anchor.
View Article and Find Full Text PDFAdhesive conductive wood-based hydrogel with high tensile strength as a flexible sensor.
Carbohydr Polym
March 2025
State Key Laboratory of Efficient Production of Forest Resources, Beijing 100083, China.
Conductive hydrogels have promising applications for flexible strain sensors. However, most hydrogels have poor tensile strength and are susceptible to damage, significantly impeding their potential for further application. Wood has been used to reinforce hydrogels, significantly enhancing their strength and dimensional stability.
View Article and Find Full Text PDFRigidity in Parkinson's Disease: The Objective Effect of Levodopa.
Mov Disord
January 2025
Department of Human Neurosciences, Sapienza University of Rome, Rome, Italy.
Background: Quantitative evidence of levodopa-induced beneficial effects on parkinsonian rigidity in Parkinson's disease (PD) is lacking. Recent research has demonstrated the velocity-dependent nature of objective rigidity in PD and revealed its neural underpinning.
Objective: The present study aimed to examine the effect of levodopa on objective rigidity in PD.
Montreal cognitive assessment as a cognitive outcome measure in progressive supranuclear palsy.
Front Neurol
December 2024
Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States.
Background: The Montreal Cognitive assessment (MoCA) is a well-validated global cognitive screening instrument. Its validity in progressive supranuclear palsy (PSP) has not been assessed.
Objectives: To evaluate the MoCA as an outcome measure in PSP clinical trials.
Assessing local service providers' needs for scaling up MHPSS interventions for Ukrainian refugees: Insights from Poland, Slovakia, and Romania.
Glob Ment Health (Camb)
December 2024
World Health Organization Collaborating Centre for Research and Training in Mental Health and Service Evaluation, Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy.
Providing Mental Health and Psychosocial Support interventions (MHPSS) for forcibly displaced Ukrainians in Central and Eastern Europe poses numerous challenges due to various socio-cultural and infrastructural factors. This qualitative study explored implementation barriers reported by service providers of in-person and digital MHPSS for Ukrainian refugees displaced to Poland, Romania and Slovakia due to the war. In addition, the study aimed to generate recommendations to overcome these barriers.
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