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Liquid Metal Composite Organohydrogel Based on Water-Soluble Starch Stabilizer with Supertoughness, Self-Healing, and Harsh-Environmental Tolerance for an Advanced Strain Sensor.
Nano Lett
March 2025
School of Materials Science and Engineering, Guangdong Ocean University, Yangjiang 529500, Guangdong, China.
In this work, a supertough, self-healable, and extreme-environment-tolerable liquid metal (LM) composite organohydrogel was fabricated by dispersing LM particles (LMPs) with water-soluble starch (WS) and leveraging multilevel hydrogen-bonding interactions. Attributed to the cooperation of the strong dual-hydrogen bonds and weak monohydrogen bonds, the organohydrogel obtained an outstanding tensile strength of 2.0 ± 0.
View Article and Find Full Text PDFEffect of a Multicomponent Exercise Program with Virtual Reality (MEP-VR) versus standard approaches on functional and cognitive domains in hospitalised geriatric patients: Study protocol for a randomized controlled trial.
Rev Esp Geriatr Gerontol
March 2025
Navarrabiomed, Department of Geriatric Medicine - Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain; CIBER of Frailty and Healthy Aging (CIBERFES), Instituto de Salud Carlos III, Madrid, Spain; School of Medicine - University of Navarra, Pamplona, Spain. Electronic address:
Background: Conventional care models for older adults often disregard negative effects of hospitalization and neglect potential benefits of technology. This trial aims to investigate effects of Multicomponent Exercise Program with Virtual Reality (MEP-VR) on functional and cognitive outcomes in hospitalized older adults, compared to MEP-only or usual care approaches.
Methods: This three-arm, parallel-group, randomized controlled trial will include 255 participants aged 75 or older, with a Barthel Index score of at least 60, able to walk and cooperate, have an estimated hospital stay of at least four days, and provide informed consent.
Assessments and exercises of cough strength in critically ill patients: a literature review.
J Thorac Dis
February 2025
Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China.
Background And Objective: Airway clearance is essential for maintaining patency in critically ill patients and relies on the mucociliary escalator, expiratory flow, and cough strength. A weak cough significantly increases the risk of therapy failure in patients receiving noninvasive ventilation (NIV) or high-flow nasal cannula (HFNC). This review aims to summarize current practices for assessing and exercising cough strength in critically ill patients.
View Article and Find Full Text PDFFrom Lone Pairs to Power Players: How Non-nucleophilic Lone Pairs Can Control the Nucleophilicity of a Catalyst.
J Org Chem
March 2025
University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States.
A lone pair-π interaction was employed to alter the reactivity of three isochalcogenourea catalysts in a model silylation reaction. Even though a lone pair-π interaction is a relatively weak interaction, working cooperatively with a bond-forming step allowed the interaction to alter the reactivity of the catalyst over the inherent nucleophilicity in an alcohol silylation reaction.
View Article and Find Full Text PDFEffect of chewing gum on clinical outcomes and postoperative recovery in adult patients after gastrointestinal surgery: an umbrella review.
Int J Surg
March 2025
Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
Background: Gastrointestinal surgery is crucial for many medical conditions but can lead to difficult recoveries. Chewing gum is proposed as a remedy, yet existing reviews offer conflicting results. This umbrella review aims to synthesize the effectiveness of chewing gum on time to first flatus, time to first bowel movement, length of stay and complication rates in adult patients.
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