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Dynamic Force Sensing for Continuous Scraping Towards Endometrium Repair Surgery.
Int J Med Robot
February 2025
Shenyang Jianzhu University, Shenyang, China.
Background: A surgical robot with force feedback can guarantee precise and gentle manipulation for endometrial repair, ensuring the effectiveness and safety of the manipulation. However, the design of force sensors for surgical robots is challenging due to the limited anatomical space and the requirement for continuous rotation.
Methods: This paper presents a novel force-sensing surgical instrument for endometrial repair, including an inner scraping instrument and an outer force sensing sheath.
Eco-Friendly Fabrication of FeS QD-Chitosan Biopolymer Composites: Green Synthetic Approach.
Biopolymers
March 2025
Department of Chemistry, School of Chemical and Physical Sciences, Lovely Professional University, Phagwara, India.
In this paper, we offer a unique green synthetic approach for producing iron sulfide quantum dots (FeS QD)-chitosan composites using gel chemistry. The technique uses the environmental features of chitosan, a biocompatible and biodegradable polysaccharide, and the excellent electrical properties of FeS QDs. By sustainable chemistry principles, the synthesis process is carried out under gentle settings, using aqueous solutions and avoiding hazardous solvents and strong chemicals.
View Article and Find Full Text PDFEnhanced Efficiency and Stability in Blade-Coated Perovskite Solar Cells through Using 2,3,4,5,6-Pentafluorophenylethylammonium Halide Additives.
ACS Appl Mater Interfaces
January 2025
Centre for Organic Photonics & Electronics, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland 4072, Australia.
The power conversion efficiency (PCE) of perovskite solar cells is sensitive to their method of fabrication as well as the combination of materials in the perovskite layer. Air knife-assisted blade coating enables good quality perovskite films to be formed but the device efficiencies still tend to lag behind those fabricated using spin-coated perovskite layers. Herein we report the use of three 2,3,4,5,6-pentafluorophenylethylammonium halides (FEAX, where X = I, Br or Cl) as additives in nitrogen knife-assisted blade-coated methylammonium lead iodide (MAPbI) perovskite solar cells.
View Article and Find Full Text PDFComparison of the efficacy and adverse effects of long pulsed 1064 nm Nd: YAG laser and sclerotherapy in the treatment of pyogenic granuloma in children: a retrospective study.
Sci Rep
January 2025
Department of Plastic Surgery, Jiangxi Provincial Children's Hospital, Nanchang, China.
Pyogenic granuloma (PG) is benign vascular lesions of the skin and mucous membranes that often involve the skin and mucous membranes, which often trouble patients due to its frequent bleeding. The traditional treatment is surgical removal, but its bleeding, pain, and trauma have led doctors to look for more minimally invasive methods. Between June 1, 2022 to March 1, 2024, we retrospectively analyzed 72 children with PG who were seen and treated in our department for long pulsed 1064 nm Nd: YAG laser (Gentle Nd: YAG laser) and sclerotherapy, respectively.
View Article and Find Full Text PDFFully biodegradable hierarchically designed high-performance nanocellulose piezo-arrays.
Sci Adv
January 2025
NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, I-56127 Pisa, Italy.
While piezoelectric sensing and energy-harvesting devices still largely rely on inorganic components, biocompatible and biodegradable piezoelectric materials, such as cellulose nanocrystals, might constitute optimal and sustainable building blocks for a variety of applications in electronics and transient implants. To this aim, however, effective methods are needed to position cellulose nanocrystals in large and high-performance architectures. Here, we report on scalable assemblies of cellulose nanocrystals in multilayered piezoelectric systems with exceptional response, for various application scopes.
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