Results 21 to 30 of about 31,953 (255)
Neural Regeneration Research, 2015 The transplantation of polylactic glycolic acid conduits combining bone marrow mesenchymal stem cells and extracellular matrix gel for the repair of sciatic nerve injury is effective in some respects, but few data comparing the biomechanical factors ...
Yang Wang +4 more
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POLYLACTIC ACID INTER-CHAIN INTERACTIONS
Studia Universitatis Babes-Bolyai Chemia, 2022 Geometry optimization of perpendicular, antiparallel and parallel dimers were employed in order to analyze the relative energy values. The weakest interactions are seen for the perpendicular structures; among those, the strongest are for π, 310, while ...
Izabella IRSAI +2 more
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Fabrication and Evaluation of in Vitro Studies of Biodegradable and Antibacterial Composite Scaffolds Based on Polylactic Acid-Polycaprolactone-Hydroxyapatite Reinforced with Graphene and Zinc Oxide Nanoparticles for Use in Orthopedic Surgery [PDF]
Iranian Journal of Materials Science and Engineering, 2022 Fabrication of fully optimized tissue-engineered materials in order to simulating the natural structure, and enhancing the biological properties of damaged tissue is one of the major challenges in biomedical engineering and regeneration medicine ...
Farnaz Dehghani Firoozabadi +2 more
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Studia Universitatis Babes-Bolyai Chemia, 2017 Putative elements of secondary, tertiary and quaternary structure were examined for polylactic acid chains, attempting a parallel with secondary structure elements known from protein biology and also attempting an estimate, based on accurate atomic ...
Izabella IRSAI +3 more
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Surface-modified and untreated Cissus quadrangularis reinforced polylactic composite
Current Research in Green and Sustainable Chemistry, 2021 Natural biodegradable composites are an excellent alternative for synthetic fiber reinforced composites as they have the inherent advantages of being lightweight, eco-friendly, sustainable, and biodegradable.
R. Siva +3 more
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Mechanical Engineering Journal, 2016 Many kinds of polymer foams are used in various situations. Especially, polymer foams are often used for shock absorber, therefore, there are many studies focusing on the effect of strain rate on the compressive properties, such as strength and absorbed ...
Akifumi YOSHIMOTO +3 more
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Journal of Education, Health and Sport, 2020 Aging processes lead to the tremendous changes in every tissues of human and skin is not an exception. Externally observable aging changes of the skin are caused by involutionary processes, which are happening on all levels, from skin to bones.
S. A. Larkina +2 more
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Journal of Nanomaterials, 2015 PLA nanocomposites with stearate coated precipitated calcium carbonate (PCC) and halloysite natural nanotubes (HNT) were prepared by melt extrusion. The crystallization behavior, mechanical properties, thermal dynamical mechanical analysis (DMTA), and the morphology of the PCC/PLA, HNT/PLA, and HNT/PCC/PLA composites were discussed.
Shi, Xuetao +4 more
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Polylactic Acid/Lignin Composites: A Review
Polymers, 2023 With the gradual depletion of petroleum resources and the increasing global awareness of environmental protection, biodegradable plastics are receiving more and more attention as a green substitute for traditional petroleum-based plastics. Poly (lactic acid) is considered to be the most promising biodegradable material because of its excellent ...
Kang Shi +3 more
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Effect of strain rate on compressive characteristics of polylactic acid resin foam
Nihon Kikai Gakkai ronbunshu, 2015 The effect of strain rate on the compressive properties, such as strength and absorbed energy, of polylactic acid resin foam was experimentally studied by carrying out the compression tests at various strain rates from 0.001 to 760 s-1.
Akifumi YOSHIMOTO +4 more
doaj +1 more source