Stress Relaxation and Composition of Hydrazone‐Crosslinked Hybrid Biopolymer‐Synthetic Hydrogels Determine Spreading and Secretory Properties of MSCs
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DOI: 10.1002/adhm.202200393
Abstract: The extracellular matrix plays a critical role in mechanosensing and thereby influences the secretory properties of bone‐marrow‐derived mesenchymal stem/stromal cells (MSCs). As a result, interest has grown in the development of biomaterials with tunable properties… read more here.
Keywords: biopolymer synthetic; stress relaxation; relaxation; secretory properties ... See more keywords
Stress Relaxation‐Induced Colon Tumor Multicellular Spheroid Culture Based on Biomimetic Hydrogel for Nanoenzyme Ferroptosis Sensitization Evaluation
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DOI: 10.1002/adhm.202202009
Abstract: Ferroptosis has recently become a research hotspot, and the induction of tumor cell ferroptosis has emerged as a powerful method for tumor therapy. However, the efficiency of tumor cell ferroptosis induction remains unmet for clinical… read more here.
Keywords: cell; multicellular spheroid; tumor; stress relaxation ... See more keywords
Dynamically Crosslinked Poly(ethylene‐glycol) Hydrogels Reveal a Critical Role of Viscoelasticity in Modulating Glioblastoma Fates and Drug Responses in 3D
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DOI: 10.1002/adhm.202202147
Abstract: Glioblastoma multiforme (GBM) is the most prevalent and aggressive brain tumor in adults. Hydrogels have been employed as 3D in vitro culture models to elucidate how matrix cues such as stiffness and degradation drive GBM… read more here.
Keywords: viscoelasticity; drug responses; gbm; drug ... See more keywords
Light-Activated Stress Relaxation, Toughness Improvement, and Photoinduced Reversal of Physical Aging in Glassy Polymer Networks.
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DOI: 10.1002/adma.202007221
Abstract: A covalent adaptable network (CAN) with high glass transition temperature (Tg ), superior mechanical properties including toughness and ductility, and unprecedented spatio-temporally controlled dynamic behavior is prepared by introducing dynamic moieties capable of reversible addition… read more here.
Keywords: toughness; improvement; stress relaxation; raft ... See more keywords
Acid-Mediated Autocatalysis in Vinylogous Urethane Vitrimers.
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DOI: 10.1002/marc.202000273
Abstract: Vitrimers are a class of polymeric materials with outstanding properties. Intramolecular substitution reactions lead to a dynamic exchange within the polymer network which enables thermoreversible stress relaxation in yet permanently crosslinked materials. In this paper,… read more here.
Keywords: urethane vitrimers; stress relaxation; acid mediated; mediated autocatalysis ... See more keywords
Rheological behavior of wood in stress relaxation under compression
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DOI: 10.1007/s00226-018-0993-2
Abstract: Rheological behavior of wood under uniaxial compression along and perpendicular to the grain in constant environment was examined. Tests with constant deformation rate until failure and stress relaxation tests with constant deformation applied stepwise were… read more here.
Keywords: deformation; stress relaxation; wood; behavior ... See more keywords
Anisotropy Characteristics of Stress Relaxation in Coal: An Improved Fractional Derivative Constitutive Model
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DOI: 10.1007/s00603-018-1599-6
Abstract: To study the anisotropy characteristics of coal during stress relaxation, a series of uniaxial compressive stress relaxation experiments are conducted on samples cut perpendicular and parallel to bedding. Some conclusions are as follows: (1) the… read more here.
Keywords: stress relaxation; relaxation; stress; strain ... See more keywords
Creep and stress relaxation of human red cell membrane
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DOI: 10.1007/s10237-016-0813-2
Abstract: In contrast to most mechanical properties of the red cell, experimental information on stress relaxation (SR) of the membrane skeleton is scarce. On the other hand, many postulates or assumptions as to the value of… read more here.
Keywords: stress relaxation; red cell; membrane;
Microstructural differences between Viscose and Lyocell revealed by in-situ studies of wet and dry fibers
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DOI: 10.1007/s10570-019-02863-6
Abstract: Abstract Regenerated cellulose fibers manufactured using Lyocell and Viscose processes exhibit differences in their structural response to mechanical deformation. Here, we study the effect of stretching and stress relaxation on the orientation of crystal and… read more here.
Keywords: stress relaxation; orientation; increase; stress ... See more keywords
A comparison of rubber stress relaxation models for conveyor belt indentation rolling resistance calculations
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DOI: 10.1007/s10999-018-9412-y
Abstract: Rubber stress relaxation models are the main material input data for numerical and analytical conveyor belt indentation rolling resistance calculations. Stress relaxation data for rubbers, such as those used in the construction of conveyor belts,… read more here.
Keywords: indentation rolling; stress relaxation; relaxation; rolling resistance ... See more keywords
Stress relaxation properties of an epoxy-based shape-memory polymer considering temperature influence: experimental investigation and constitutive modeling
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DOI: 10.1007/s11043-019-09420-5
Abstract: Epoxy-based shape-memory polymer (ESMP), belonging to viscoelastic thermosets, exhibits strong temperature-dependent relaxation property caused by the glass transition process. Thoroughly experimental investigation and accurate numerical prediction are indispensable to be performed in the structures that… read more here.
Keywords: stress relaxation; relaxation; influence; model ... See more keywords