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  • Open Access


    Performance Improved of a Lime and Hemp-Based Concrete through the Addition of Metakaolin

    Suzanne Daher*, Amar Benazzouk, Haïkel Ben Hamed, Thierry Langlet

    FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.5, pp. 1091-1113, 2023, DOI:10.32604/fdmp.2023.020348

    Abstract This work describes in detail the experimental investigation of the physico-mechanical properties of nonstructural hemp concrete (usually used as insulating wall material) when the Air-lime based Tradial PF70 binder is partially replaced using Metakaolin. The objective is to reduce the amount of free Ca2+ ions in the binder as these are responsible for the degradation of vegetables particles and can therefore induce a loss of mechanical performances. In order to assess the effectiveness of pozzolanic reaction, amounts of 0%, 10%, and 20% vol. of Air-lime binder were replaced by the Metakaolin material, while testing the mechanical properties of concrete specimens… More >

  • Open Access


    Investigation on Energy Characteristic of RBCs Deformability: A Quantitative Analysis of Extending and Retracting Curves Based on AFM

    Dong Chen1, Xiang Wang1,*, Fuzhou Tang2, Yajin Zhao1

    Molecular & Cellular Biomechanics, Vol.16, Suppl.2, pp. 150-150, 2019, DOI:10.32604/mcb.2019.07071

    Abstract Deformability is a fundamental property of the cells and tissues of living organisms, which is commonly detected to indicate the state of the cells. And the cell deformability usually depends on the methods that we used, which is easy to be confused. The present research is designed to explore the energy characteristic of red blood cell deformability, based on a quantitative analysis of extending-retracting curves acquired from atomic force microscopy. ATP-depleted red blood cells are prepared by treatment with free-glucose Ringer solution. Our results clearly show that the Youngs’ modulus of erythrocyte is closely depended on the concentration of intracellular… More >

  • Open Access


    Biomechanical Characteristics Closely Related with Immune Functions of Dendritic Cells

    Fuzhou Tang1, Jin Chen1, Shichao Zhang1, Zuquan Hu1, Lina Liu1, Long Li1, Yan Ouyang1, Zhu Zeng1,*

    Molecular & Cellular Biomechanics, Vol.16, Suppl.2, pp. 40-41, 2019, DOI:10.32604/mcb.2019.07082

    Abstract As potent antigen presenting cells, dendritic cells (DCs) are utilized to deliver the signals essential for the initiation of immune responses. The motility of DCs is crucial for migration of immature DCs (imDCs) in peripheral tissue and the interaction between mature DCs (mDCs) and naïve T cells in the secondary lymph node. From biomechanical viewpoint, the deformability of cells is necessary for their motility. Deformation of cells can be divided into active deformation (e.g. chemotaxis) and passive deformation (e.g. migration under shear stress of blood flow). However, there is no detailed study on the deformability of DCs including imDCs and… More >

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