IJMS | Free Full-Text | Mechanical and Immunological Regulation in Wound Healing and Skin Reconstruction
... clearly shows that mechanical stress signals and immune responses play important roles in determining the wound healing mode. ... through mechanical stress signals.. 3. Interaction between Immune Response and Mechanical Stress in Wound Healing. 3.1. Immune ... 2. Mechanical Regulation in Wound Healing. 2.1. Mechanical Stress Is Involved in the Moderation of Wound Healing through the ... and mechanical stress [1]. These external stresses cause not only microscale damage, such as protein denaturation and ...
Materials | Special Issue : Strength and Fracture Mechanism of Construction Materials and Structural Components
Interests: construction materials; mechanical properties; stress and strain; fracture; structure; structural behaviour. ... on the mechanical behavior of C80 high-strength self-compacting concrete under static loading, the failure mode, mechanical ... Failure occurred in the middle of the inspection holes longer edge at a stress level of 220-250 MPa. A comparison of the ... The Mechanical Characteristics of High-Strength Self-Compacting Concrete with Toughening Materials Based on Digital Image ...
Polymers | Free Full-Text | Fabrication of Biocompatible Electrospun Poly(ε-caprolactone)/Gelatin Nanofibers Loaded...
... nanofibers exhibited an increase in their wettability and degradation rates over time and a decrease in their tensile stress ... Table 2. Mechanical properties of electrospun nanofiber mats.. Samples. Youngs Modulus (MPa). Tensile Stress (MPa). Elongation ... b) Tensile stress-strain curves of PCL/GEL, PCL/GEL/0.18%PE, and PCL/GEL/0.36%PE electrospun nanofibers. ... b) Tensile stress-strain curves of PCL/GEL, PCL/GEL/0.18%PE, and PCL/GEL/0.36%PE electrospun nanofibers. ...
Materials | Free Full-Text | Greener Nanocomposite Polyurethane Foam Based on Sustainable Polyol and Natural Fillers:...
The effect of these fillers on the chemico-physical, morphological, mechanical and functional performances on PU foams has been ... Diatomite, as a natural inorganic nanoporous filler, can also be evaluated to improve mechanical and thermal insulation ... Generally, sustainable PUs exhibit chemico-physical, mechanical and functional properties, which are not comparable with those ... The characteristic stress-strain curves of the analyzed materials are reported in Figure 6a. Each foam presents an elastomeric ...
Polymers | Free Full-Text | Comparison of Adhesive Properties of Polyurethane Adhesive System and Wood-plastic Composites with...
Two traditional types of surface treatments and one entirely new approach have been used: mechanical with sandpaper, chemical ... The shear strength of a single lap joint under tensile stress and adhesion of bonded joint under axial tensile stress were ... 2.3.1. Mechanical Treatment. The mechanical modification of bonded surfaces was performed using P40 grid sandpaper. A layer of ... The average stress-strain curves of all tested samples shown in Figure 9 (samples after tensile test) and in Figure 10 (samples ...
Materials
Special Issue in Fibers: Fibres in Construction: Mechanical Modelling and Characterisation. Special Issue in Mathematical and ... fracture behaviour and residual stresses of ceramic matrix composites; development of novel cement-based nanocomposite for next ... Department of Mechanical Engineering, Politecnico di Milano, Milan, Italy. Interests: fatigue of short-fiber-reinforced ... Special Issue in Polymers: Mechanical Properties and Durability of Advanced Polymers and Polymer Composites. Special Issue in ...
Polymers | Free Full-Text | 3D Bioprinted Bacteriostatic Hyperelastic Bone Scaffold for Damage-Specific Bone Regeneration
Stress-Strain (A) and Force-displacement (B) curves of cylindrical HB constructs, obtained from compressive mechanical testing ... Figure S5: Mechanical characterization of bioprinted HB constructs. A-B: Compressive mechanical testing of the SPION-free (blue ... Mechanical Testing. The AR-G2 Magnetic Bearing Rheometer (TA Instruments, New Castle, DE, USA) testing system equipped with a ... Along with providing mechanical integrity, HB materials have been also shown to support the culture of human mesenchymal stem ...
Forests | October 2020 - Browse Articles
... subjected to stress caused by mechanical defoliation, simulating primary insect feeding. This is [...] Read more. ... subjected to stress caused by mechanical defoliation, simulating primary insect feeding. This is the first experimental ... The Effects of Wind Exposure on Scots Pine Trees: Within-Stem Variability of Wood Density and Mechanical Properties by ... In the present work, an analysis was made of within-stem variability of the density and mechanical properties of Scots pine ...
Healthcare | Free Full-Text | Tissutal and Fluidic Aspects in Osteopathic Manual Therapy: A Narrative Review
According to a recent study [52], when changes in the internal environment lead to cellular stress (metabolic stress, injury, ... Adamo, L.; García-Cardeña, G. Directed stem cell differentiation by fluid mechanical forces. Antioxid. Redox Signal. 2011, 15, ... McEwen, B.S. Stress, adaptation, and disease. Allostasis and allostatic load. Ann. N. Y. Acad. Sci. 1998, 840, 33-44. [Google ... Rohleder, N. Stress System Regulation of Chronic Low-grade Inflammation. Adv. Neuroimmune Biol. 2012, 3, 265-276. [Google ...
Water | Free Full-Text | Mechanism Analysis of Floor Water Inrush Based on Criteria Importance though Intercrieria Correlation
The objective weight CRITIC based on data volatility was used to analyze the water pressure and principal stress near the fault ... floor water inrush is regarded as the result of the joint action of water pressure and mining stress. The COMSOL Multiphysics ... high ground stress, high karst water pressure and strong mining disturbance. The fault is a structurally weak plane developed ... Table 1. Mechanical parameters of model.. Group Name. Thickness. /m. The Angle of Internal Friction. (°). Elastic Modulus. /GPa ...
Materials | Free Full-Text | The Study of New NiTi Actuators to Reinforce the Wing Movement of Aircraft Systems
Mechanical resistance, maximum angle, and the systems reaction time using different NiTi springs highlight the role of the ... springs could operate in different mechanical systems requiring geometric flexibility and high performance. The aim of the ... Stress-induced martensite (SIM) promotes superelasticity, and thermal-induced martensitic transformation (TIM) develops the ... The mechanical behavior of the spring support was evaluated by three-point bending and tensile tests (room temperature). The ...
Cancers | Free Full-Text | Cytoskeletal Dynamics in Epithelial-Mesenchymal Transition: Insights into Therapeutic Targets for...
They also respond to external mechanical stresses to transduce the signal into cells. ... which are known as stress fibers. Stress fibers connect to focal adhesions and hence play an important role in cell adhesion ... Stress fibers of multiple cell types. Actin filament bundling and side-binding. Not Available clinically. Downregulation ... Rho activates actin stress fiber formation and regulates cytoskeleton changes, affecting cell-cell or cell-matrix adhesion. The ...
Entropy | Free Full-Text | Competency in Navigating Arbitrary Spaces as an Invariant for Analyzing Cognition in Diverse...
Neurons do this too, as do mechanical stress in connective tissue and hormones; ... McEwen, B.S. Stress, adaptation, and disease. Allostasis and allostatic load. Ann. N. Y. Acad. Sci. 1998, 840, 33-44. [Google ... As cells or other systems become stressed (e.g., by lack of sufficient free-energy resources), their generative models can be ... Inertia in terms of resilience to stress (anatomical homeostasis as a kind of inertia against movement in the morphospace and ...
Materials | Free Full-Text | A Comprehensive Review of the Study and Development of Microcapsule Based Self-Resilience Systems...
Zhu, G.M.; Xiao, F.S.; Tang, J.N.; Han, N.X.; Xing, F. Determination of the rupture stress of microcapsule and the Youngs ... Wang, X.F.; Xing, F.; Xie, Q.; Han, N.X.; Kishi, T.; Ahn, T.H. Mechanical behavior of a capsule embedded in cementitious matrix ... Zhu, G.M.; Xiao, F.S.; Tang, J.N.; Han, N.X.; Xing, F. Mechanical-performance Investigation of a single DCPD/PF microcapsule ... Figure 5. The influence of dosage percentage of the microcapsule on the mechanical behavior of concrete: (a) flexural strength ...
Metals | Free Full-Text | Effect of Severe Shot Peening on the Very-High Cycle Notch Fatigue of an AW 7075 Alloy
Modified surface characteristics by the severe shot peening process were analyzed in terms of residual stress distribution ... To reveal the stress state in the notch vicinity, finite element analysis was performed, simulating the conditions of the used ... fatigue crack initiation on the surface damage features created by the peening process and also by rapid residual stress ... the material was stretched to relieve residual stresses introduced by the applied heat treatment [23]. The basic mechanical ...
Applied Sciences | Free Full-Text | Additive Manufacturing of Bone Scaffolds Using PolyJet and Stereolithography Techniques
The effect of the printing direction on the mechanical properties of the 3D-printed scaffold structures is also analyzed. The ... Compression tests were performed on the printed samples to observe the effects of the printing techniques on the mechanical ... The dimensional accuracy, permeability, and mechanical properties of complex 3D-printed scaffold structures are analyzed to ... scaffold structures printed with the µSLA printer demonstrate higher permeability and mechanical properties as compared to ...
Antioxidants | Free Full-Text | An In Vitro and In Silico Study of Antioxidant Properties of Curcuminoid N-alkylpyridinium...
Lipparini, F.; Mennucci, B. Perspective: Polarizable Continuum Models for Quantum-Mechanical Descriptions. J. Chem. Phys. 2016 ... Protection against Oxidative Stress: Where Are We and What Might Follow? Int. J. Quantum Chem. 2019, 119, e25665. [Google ... Novel Oxindole-Curcumin Hybrid Compound for Antioxidative Stress and Neuroprotection. ACS Chem. Neurosci. 2019, 11, 76-85. [ ... which have been proposed for chronic infections associated with epithelial damage by pulmonary stress [6]. The reported ...
IJMS | Special Issue : Plant Cell Wall Proteins and Development
... approach that shows how both internal and external physical forces contribute to plant morphogenesis via mechanical stress- ... Plants frequently encounter diverse abiotic stresses, one of which is environmental thermal stress. To cope with these stresses ... Plants frequently encounter diverse abiotic stresses, one of which is environmental thermal stress. To cope with these stresses ... To illustrate a possible role of XTH genes in regulating stress responses, the Arabidopsis AtXTH31 gene was overexpressed in ...
Sustainability | Free Full-Text | A Multi-Data Approach for Spatial Risk Assessment of Topsoil Compaction on Arable Sites
Lamandé, M.; Schjønning, P. Soil mechanical stresses in high wheel load agricultural field traffic: A case study. Soil Res. ... Variance of mechanical precompression stress in graphic estimations using the Casagrande method and derived mathematical models ... a medium mechanical load and (b) a very low mechanical load. Risk classes 2 = low, 3 = medium, and 4 = high. ... a medium mechanical load and (b) a very low mechanical load. Risk classes 2 = low, 3 = medium, and 4 = high. ...
Agronomy | Free Full-Text | Response of Chlorophyll, Carotenoid and SPAD-502 Measurement to Salinity and Nutrient Stress in...
However, as an adaptation process and defense mechanism under salinity stress, leaves were found to be thicker and narrower. ... their accurate estimation would provide a means to monitor plant health and indirectly determine stress response. The aim of ... but that the general form of their relationship remains largely unaffected by the stress. As such, a generalized regression ... Abiotic stress can alter key physiological constituents and functions in green plants. Improving the capacity to monitor this ...
Materials | Free Full-Text | Effect of Nesfatin-1 on Rat Humerus Mechanical Properties under Quasi-Static and Impact Loading...
In this paper, the influence of nesfatin-1 administration on rat humerus mechanical properties was analyzed. The classical ... The experiments proved that the bone strength parameters measured under various mechanical loading conditions increased after ... Initially, the change in stress is linear; with a further increase in stress, nonlinear reversible strains are observed. After ... geometric and mechanical properties of rat femora: Inferences concerning mechanical regulation of bone modeling. J. Bone Min. ...
Crystals | Free Full-Text | Dynamic Fracture Mechanism of Quasicrystal-Containing Al-Cr-Fe Consolidated Using Spark Plasma...
Finally, the dynamic mechanical properties of the sintered Al-Cr-Fe material can be determined based on the calculated stress ... Subsequently, the stress and strain histories can be determined by Equations (2) and (3): σ. (. t. ). =. A. 0. E. 0. A. ε. t. ( ... The strain gauges mounted on the bars measured the stress/strain waves propagating in these bars, from which the stress and ... After the peak stress is reached, the significant drop of the stress reveals the catastrophic failure of the SPSed Al-Cr-Fe ...
IJMS | Free Full-Text | Bioreactor Technologies for Enhanced Organoid Culture
... mechanical and fluidic activation, nutrition gradients, etc. To this end, we discuss the four main categories of bioreactors ... Mechanical Stress Conditioning and Electrical Stimulation Promote Contractility and Force Maturation of Induced Pluripotent ... Goodwin, T.J.; Prewett, T.L.; Wolf, D.A.; Spaulding, G.F. Reduced Shear Stress: A Major Component in the Ability of Mammalian ... demonstrated that oxidative stress could be reduced during two-dimensional hematopoietic stem and progenitor cell culture by ...
Polymers | Free Full-Text | Surface Treatment Effects on the Mechanical Properties of Silica Carbon Black Reinforced Natural...
Due to the easy processing and low cost of filler as well as the effectively enhanced mechanical properties of composites, the ... As a result, both the cross-link density and mechanical properties of the obtained composites were effectively enhanced. The ... were prepared with different treatment conditions and their effect as fillers on the mechanical properties of filler filled ... It includes the cyclic stress softening and the ability to recover and return towards the virgin stress-strain path when the ...
Gels | June 2021 - Browse Articles
Stress relaxation studies demonstrated that the blend films exhibited more mechanical stability as compared to the control film ... Mechanical testing results indicate that variation of mineral oil viscosity does not affect gel mechanical behavior. This ... The characteristic stresses at γ1 and γ2 were distributed at 80-720 Pa and 40-310 Pa, respectively. It was revealed that a ... Decoupling of Mechanical and Transport Properties in Organogels via Solvent Variation by Kenneth P. Mineart ...
Nanomaterials | Free Full-Text | Influence of Calcium Silicate and Hydrophobic Agent Coatings on Thermal, Water Barrier,...
The prepared materials were subjected to flame retardancy, water barrier, thermal, mechanical and biodegradation properties ... A stress-strain diagram is used to describe the deformation of a sample subjected to increasing stress. The stress-strain ... Figure 5. Static mechanical analyses of a cellulose film (black) and cellulose-CaSiO3 composite (grey). (a): stress-strain ... Figure 5. Static mechanical analyses of a cellulose film (black) and cellulose-CaSiO3 composite (grey). (a): stress-strain ...
Polymers | Free Full-Text | Atmospheric Pressure Plasma Treatment for Grey Cotton Knitted Fabric
... chemical and low-stress mechanical properties of cotton fabrics. Bioresour. Technol. 2008, 99, 8185-8192. [Google Scholar] [ ... Thermal, Mechanical and Optical Features of Aluminosilicate-Coated Cotton Textiles via the Crosslinking Method ... Characterization of Surface and Interfacial Mechanical Properties of Thin-Film/Substrate Systems with Residual Stress Based on ...
Animals | Free Full-Text | Behaviours Expressed by Rodeo Calves during Different Phases of Roping
Increased levels of stress hormones were also evident in naïve calves (calves who have not been used in rodeo) after ... Strangulation injuries occur due to a mechanical force being applied to the neck and surrounding structures. In humans, ... Grandin, T. Assessment of stress during handling and transport. J. Anim. Sci. 1997, 75, 249-257. [Google Scholar] [CrossRef] [ ... Bomzon, A. Pain and stress in cattle: A personal perspective. Isr. J. Vet. Med. 2011, 66, 12-20. [Google Scholar] ...
Materials | Free Full-Text | Dual Stimuli-Responsive Orthodontic Aligners: An In Vitro Study
... dynamic mechanical analysis (DMA), and various practical experiments. The glass transition temperature of the SMP relevant for ... The thermal, thermo-mechanical, and shape memory properties of thermoplastic polyurethane were studied by means of differential ... Adjacently, the force was set to 0 N in order to release the stress inside the sample within 10 min to finalize the ... Liu, Y.-F.; Wu, J.-L.; Song, S.-L.; Xu, L.-X.; Chen, J.; Peng, W. Thermo-Mechanical Properties of Glass Fiber Reinforced Shape ...
Materials | Free Full-Text | Microstructure and Mechanical Properties of Inverse Nanocomposite Made from Polylactide and...
The mechanical properties and structure of these composites were examined. It was discovered that 50% volume content was ... Based on the stress-strain curve, the Youngs modulus (E), ultimate bending strength (UBS) and deflection were calculated. ... Mechanical Properties The mechanical properties of the 25com, 50com, and 75com composites were estimated and compared with pure ... Mechanical properties in this case are described as sufficient, although the implant does not offer a load-bearing function. It ...