Results 1 to 10 of about 38,969 (262)
Journal of Inequalities and Applications, 2020 Marble, one of the metamorphic rock formation products, forms by undergoing different physical and chemical processes. The marble samples are tested under laboratory conditions to understand these processes.
Ozge Ozer +3 more
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Revista Ingeniería de Construcción, 2000 Lightweight concrete has been used in many applications since the second half of the XX century and has become a very good alternative compared with conventional concrete. However the development of its technology has not been enough because the related
Carlos Videla C., Mauricio López C.
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Properties of gene expression and chromatin structure with mechanically regulated elongation [PDF]
Nucleic Acids Research, 2018 In recent years, physical elements of transcription have emerged as central in our understanding of gene expression. Recent work has been done introducing a simple description of the basic physical elements of transcription where RNA elongation, RNA polymerase (RNAP) rotation and DNA supercoiling are coupled (1).
Sevier, Stuart A., Levine, Herbert
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Ectopic Expression of SOX9 in Osteoblasts Alters Bone Mechanical Properties [PDF]
Calcified Tissue International, 2011 Osteoporosis is a common skeletal disease characterized by low bone mass and microarchitectural deterioration of bone tissue, with a consequent increase in bone fragility and susceptibility to fracture. We previously demonstrated that Col1a1-SOX9 transgenic (TG) mice, in which SOX9 specifically expresses in osteoblasts driven by a 2.3-kb Col1a1 ...
Bojian, Liang +4 more
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Nonlinear Biodynamic Models of the Hand-arm System and Parameters Identification using the Vibration Transmissibility or the Driving-point Mechanical Impedance [PDF]
Journal of Applied and Computational Mechanics, 2021 This study aims at deriving nonlinear expressions of the transmissibility and the driving-point mechanical impedance (DPMI) of two nonlinear biodynamic hand-arm models having active restoring and dissipative parameters.
Nahid Hida, Mohamed Abid, Faouzi Lakrad
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Evaluation of Circumferential Mechanical Properties of Tubular Material by Flaring Test
Metals, 2022 The investigation into the circumferential mechanical properties of tubular materials has been receiving increasing attention, since the tube hydroforming process has been used in the tubular materials forming field, because the circumferential ...
Zicheng Zhang +3 more
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Mechanical Properties of Human Bronchial Epithelial Cells Expressing Wt- and Mutant CFTR [PDF]
International Journal of Molecular Sciences, 2020 Cystic fibrosis (CF) is caused by mutations in the gene encoding the cystic fibrosis transmembrane conductance regulator (CFTR). A single recessive mutation, the deletion of phenylalanine 508 (F508del), causes severe CF and resides on 70% of mutant chromosomes. Disorganization of the actin cytoskeleton has been previously reported in relation to the CF
Ana P. Carapeto +6 more
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Collagen gene expression and mechanical properties of intervertebral disc cell–alginate cultures [PDF]
Journal of Orthopaedic Research, 2001 AbstractCells of the intervertebral disc have a limited capacity for matrix repair that may contribute to the onset and progression of degenerative disc changes. In this study, the biosynthetic capacity of cells isolated from specific regions of the porcine intervertebral disc was evaluated in vitro. Using a competitive reverse transcription‐polymerase
A E, Baer +3 more
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High mechanical property silk produced by transgenic silkworms expressing the spidroins PySp1 and ASG1 [PDF]
Scientific Reports, 2021 AbstractSpider silk is one of the best natural fibers with excellent mechanical properties; however, due to the visual awareness, biting behavior and territory consciousness of spiders, we cannot obtain spider silk by large-scale breeding. Silkworms have a spinning system similar to that of spiders, and the use of transgenic technology in Bombyx mori ...
Xiaoli Tang +6 more
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Mechanical Properties and Gene Expression of Chondrocytes on Micropatterned Substrates Following Dedifferentiation in Monolayer [PDF]
Cellular and Molecular Bioengineering, 2009 Chondrocytes in articular cartilage normally exhibit high expression of collagen II and aggrecan but rapidly dedifferentiate to a fibroblastic phenotype if passaged in culture. Previous studies have suggested that the loss of chondrocyte phenotype is associated with changes in the structure of the F-actin cytoskeleton, which also controls cell ...
Eric M, Darling +5 more
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