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Pig tongue soft robot mimicking intrinsic tongue muscle structure.
Front Robot AI
January 2025
School of Engineering, Institute of Science Tokyo, Tokyo, Japan.
Animal muscles have complex, three-dimensional structures with fibers oriented in various directions. The tongue, in particular, features a highly intricate muscular system composed of four intrinsic muscles and several types of extrinsic muscles, enabling flexible and diverse movements essential for feeding, swallowing, and speech production. Replicating these structures could lead to the development of multifunctional manipulators and advanced platforms for studying muscle-motion relationships.
View Article and Find Full Text PDFPreparation, Optical, and Heat Resistance Properties of Phenyl-Modified Silicone Gel.
Polymers (Basel)
December 2024
Key Laboratory of Organosilicon Chemistry and Material Technology, College of Material, Chemistry and Chemical Engineering, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China.
A series of Si-H- or Si-Vi-terminated, branched and linear oligomers containing MeSiO segments were prepared by equilibrium polymerization or non-equilibrium polymerization initiated by living anions, respectively. These oligomers were used to improve the defects of concentrated crosslinking points and the high hardness of crosslinked products when using phenyltris(dimethylsiloxy)silane or 1,1,5,5-tetramethyl-3,3-diphenyl trisiloxane as crosslinking agents in the preparation of silicone gel. NMR, FT-IR, and GPC characterized the structure and molecular weight information of the prepared oligomers.
View Article and Find Full Text PDFFabrication of Polyurethane-Polyacrylate Hybrid Latexes with High Organosilicon Content via Phase Inversion Emulsion Polymerization.
Molecules
December 2024
Key Laboratory of Advanced Materials of Ministry of Education of China, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
Waterborne polyurethane, with a mechanical strength comparable to solvent-based types, is eco-friendly and safe, using water as a dispersion medium. Polyacrylate excels in film formation and weather resistance but suffers from "hot stickiness and cold brittleness". Merging polyurethane and polyacrylate creates advanced hybrids, while organosilicon enhances properties but is restricted due to hydrolytic crosslinking.
View Article and Find Full Text PDFFrom heel protection to heel burns: Thermal injuries caused by heated silicone gel pads in surgery.
J Anaesthesiol Clin Pharmacol
July 2024
Department of Anesthesia, ILBS, New Delhi, India.
Systemic siliconomas following breast implant rupture.
BMJ Case Rep
January 2025
General Surgery, Universidade de Lisboa Faculdade de Medicina, Lisboa, Portugal.
We report a case of a woman in her late 40s with a history of breast implant surgery following breast cancer treatment. She presented with asymmetrical breast enlargement, palpable contralateral axillary lymph nodes and cutaneous nodules on both forearms. In addition, imaging evaluation revealed intracapsular implant rupture, ipsilateral internal mammary enlarged lymph nodes and multiple mediastinal lymphadenopathies.
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