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  • Open Access

    ARTICLE

    Water Absorption Capacity and Coating Adhesion on Thermally Modified and Not-Modified Spruce Wood (Blue Stained or Free of Blue Stained)

    Demiao Chu1, Redžo Hasanagić2, Leila Fathi3, Mohsen Bahmani3,*, Miha Humar4

    Journal of Renewable Materials, Vol.11, No.12, pp. 4061-4078, 2023, DOI:10.32604/jrm.2023.043657

    Abstract This study aimed to investigate the water absorption capacity of thermally modified and non-modified spruce and blue-stained spruce wood. The wettability of wood depends on various factors, including its type, density, porosity, and surface treatment. Wood can swell and become distorted when exposed to water or humidity, impacting its structural integrity. Hence, it is crucial to consider the water and water vapour uptake in the wood when choosing materials for applications that are likely to be exposed to moisture. Various moisture absorption tests were conducted to assess water absorption capacity, including short-term and long-term water absorption and water vapour absorption.… More > Graphic Abstract

    Water Absorption Capacity and Coating Adhesion on Thermally Modified and Not-Modified Spruce Wood (Blue Stained or Free of Blue Stained)

  • Open Access

    PROCEEDINGS

    Peeling by Pulling: Characterizing the Mechanical Behavior of Nanoscale Thin Films

    Zhaohe Dai1,*

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.26, No.2, pp. 1-1, 2023, DOI:10.32604/icces.2023.09223

    Abstract The flexible and clinging nature of ultra-thin films require the understanding of their elastic and adhesive properties in a wide range of circumstances from fabrications to applications. Simultaneously measuring both properties, however, is extremely difficult as the film thickness diminishes to nanoscales. In this talk, I will show our recent work that addresses such difficulties through peeling by vertically pulling thin films off from the substrates (we thus refer to it as “pull-to-peel”). Particularly, we perform in-situ pull-to-peel of graphene and MoS2 films in a scanning electron microscope and achieve simultaneous determination of their Young’s moduli and adhesions to gold… More >

  • Open Access

    ARTICLE

    What Is the Place of the Healthcare Professionals in Adherence to Online Therapeutic Programs for Insomnia? Some Responses from the Sleep-4-All-1 Study and Sleep-4-All-2.0 Study Protocol

    Quelle est la place des professionnels de santé dans l’adhésion aux programmes thérapeutiques en ligne de l’insomnie ? Éléments de réflexion issus de l’étude Sleep-4-All-1 et protocole de l’étude Sleep-4-All-2.0

    D. Boinon, C. Charles, L. Fasse, J. Journiac, G. Pallubicki, E. Guerdoux-Ninot, G. Ninot, A. Couillet, J.-B. Le Provost, J. Savard, S. Dauchy

    Psycho-Oncologie, Vol.16, No.1, pp. 173-181, 2022, DOI:10.3166/pson-2022-0179

    Abstract Cognitive behavioral therapy for insomnia (CBTI) remains difficult to access for patients with cancer. Its digitalization seem like a promising solution to benefit as many people as possible. The feasibility of a Quebec CBTI program was thus demonstrated in France, while revealing the limits of a self-help remote program for patients with cancer. The challenge remains to better understand with the Sleep-4-All-2.0 protocol study the role of healthcare professionals in supporting patients in this type of program.

    Résumé
    La thérapie cognitivocomportementale de l’insomnie (TCC-I) demeure difficile d’accès pour les patients atteints de cancer. Sa digitalisation semble une solution prometteuse… More >

  • Open Access

    ARTICLE

    Adhesion and Implementation of a Cardiac Coherence Program to Reduce Anxiety in Patients with Peritoneal Carcinomatosis before Surgery: a Randomized Pilot Study

    Adhésion et implémentation d’un programme de cohérence cardiaque visant à réduire l’anxiété de patients opérés pour une carcinose péritonéale : étude pilote randomisée

    E. Guerdoux, L. Coutant, M. Del Rio, S. Gourgou, F. Quenet, G. Ninot

    Psycho-Oncologie, Vol.16, No.1, pp. 192-198, 2022, DOI:10.3166/pson-2022-0177

    Abstract Objective: To evaluate the implementation of a daily practice using cardiac coherence in patients with peritoneal carcinosis who underwent surgery.
    Materials and methods: Open, single-centre, controlled, randomized, and non-comparative phase II study, including 20 control patients versus 40 patients trained with biofeedback to use a breathing guide that will record their autonomous practice at home.
    Expected results: Successful adhesion of this nonpharmacological intervention before and after surgery, which may characterize parameters in favor of its implementation and evaluation of its impact on anxiety.
    Perspectives: Efficacy should then be assessed to transfer this supportive care to other patients.

    Résumé
    ObjectifMore >

  • Open Access

    ARTICLE

    Analysis of a Strong-Inhibition Polyamine Drilling Fluid

    Yu Fan, Jianhua Guo, Xihui Hu, Rui Wang*, Weiqiang Xu

    FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.9, pp. 2431-2447, 2023, DOI:10.32604/fdmp.2023.027604

    Abstract Drilling technologies based on oil-based drilling fluids and strong inhibitory saltwater fluids are affected by drawbacks such as downhole accidents where sticking and wellbore instabilities occur. Existing polyamine drilling fluids also exhibit problems such as easy decomposition and poor inhibition performances. In order to mitigate these issues, additives can be used, such as polyamine inhibitors and the synthesis of nanometer filtrate reducers. Tests conducted in the frame of this study with a polyamine drilling fluid and such additives show that this fluid has the same inhibitory, plugging, lubricating, and wellbore-stability performances as oil-based drilling fluids. However, it has long-term anti-wear… More > Graphic Abstract

    Analysis of a Strong-Inhibition Polyamine Drilling Fluid

  • Open Access

    ARTICLE

    SARS-CoV-2 and Cancer: What Is the Psychological Impact?
    Experience of Department of Medical Oncology, Hassan-II University Hospital of Fez, Morocco

    SARS-CoV2 et cancer : quel impact psychologique ?
    Expérience du service d’oncologie médicale du centre hospitalier universitaire Hassan-II de Fès, Maroc

    L. Amaadour, I. Lahrch, O. Siyouri, K. Oualla, Z. Benbrahim, S. Arifi, C. Aarab, S. El Fakir, N. Mellas

    Psycho-Oncologie, Vol.17, No.1, pp. 38-43, 2023, DOI:10.3166/pson-2022-0221

    Abstract Background: The Covid-19 disease is a cause for several mental alterations mainly in cancer patients who are already categorized as a vulnerable population.
    Aim: The objective of this study is to characterize psychological disorders caused by Covid-19 infection among cancer patients on systemic treatment.
    Methods: It is a cross-sectional study performed at the Department of Medical Oncology of Hassan-II University Hospital of Fez, Morocco, during a period of four months (peak of the pandemic). Symptoms of anxiety/depression and post-traumatic stress disorder in patients were screened using HADS (Hospital Anxiety and Depression Scale) and PCL-5 (post-traumatic stress disorder checklist version DSM-5)… More >

  • Open Access

    VIEWPOINT

    Junctional adhesion molecule-A (JAM-A) in gynecological cancers: Current state of knowledge

    KAMILA CZUBAK-PROWIZOR*, MARIA SWIATKOWSKA

    BIOCELL, Vol.47, No.4, pp. 731-737, 2023, DOI:10.32604/biocell.2023.025677

    Abstract Junctional adhesion molecule-A (JAM-A), also known as the F11 receptor (F11R), is one of the tight junction components. JAM-A is a transmembrane glycoprotein that regulates many cellular processes, i.e., angiogenesis, leukocyte transendothelial migration, intercellular permeability, epithelial-to-mesenchymal transition, and platelet activation. Of note, it is involved in the pathogenesis of various cancer types, including gynecological cancers. Only a few studies are available about this cancer type. Observed aberrant JAM-A expression in gynecological cancers correlates with poor patient prognosis. To the best of our knowledge, conflicting JAM-A roles in various cancer types suggest that its involvement is complex and tumor-type specific. The… More >

  • Open Access

    ARTICLE

    FPGA Implementation of Extended Kalman Filter for Parameters Estimation of Railway Wheelset

    Khakoo Mal1,2,*, Tayab Din Memon1,3, Imtiaz Hussain Kalwar4, Bhawani Shankar Chowdhry5

    CMC-Computers, Materials & Continua, Vol.74, No.2, pp. 3351-3370, 2023, DOI:10.32604/cmc.2023.032940

    Abstract It is necessary to know the status of adhesion conditions between wheel and rail for efficient accelerating and decelerating of railroad vehicle. The proper estimation of adhesion conditions and their real-time implementation is considered a challenge for scholars. In this paper, the development of simulation model of extended Kalman filter (EKF) in MATLAB/Simulink is presented to estimate various railway wheelset parameters in different contact conditions of track. Due to concurrent in nature, the Xilinx® System-on-Chip Zynq Field Programmable Gate Array (FPGA) device is chosen to check the onboard estimation of wheel-rail interaction parameters by using the National Instruments (NI) myRIO®More >

  • Open Access

    REVIEW

    Surface activity of cancer cells: The fusion of two cell aggregates

    IVANA PAJIC-LIJAKOVIC*, MILAN MILIVOJEVIC

    BIOCELL, Vol.47, No.1, pp. 15-25, 2023, DOI:10.32604/biocell.2023.023469

    Abstract A key feature that distinguishes cancer cells from all other cells is their capability to spread throughout the body. Although how cancer cells collectively migrate by following molecular rules which influence the state of cell-cell adhesion contacts has been comprehensively formulated, the impact of physical interactions on cell spreading remains less understood. Cumulative effects of physical interactions exist as the interplay between various physical parameters such as (1) tissue surface tension, (2) viscoelasticity caused by collective cell migration, and (3) solid stress accumulated in the cell aggregate core region. This review aims to point out the role of these physical… More >

  • Open Access

    ARTICLE

    Mechanical Properties, Biocompatibility and Anti-Bacterial Adhesion Property Evaluation of Silicone-Containing Resin Composite with Different Formulae

    Muzi Liao1,2,#, Hui Tong1,2,#, Xiangya Huang1,2, Fang Liu3, Jingwei He3,*, Sui Mai1,2,*

    Journal of Renewable Materials, Vol.10, No.12, pp. 3201-3215, 2022, DOI:10.32604/jrm.2022.022090

    Abstract Novel branched silicone methacrylate was developed. The mechanical and biological properties of the resin system were investigated to select the formula proportion with the best overall performance. The novel silicone-containing monomers were combined with an incremental sequence of glass filler concentrations in commonly used Bis-GMA/TEGDMA (50/50, wt./wt.) dental resin systems. Physicochemical properties, surface properties, antibacterial adhesion effect, anti-biofilm effect, protein adsorption, and cytotoxicity were evaluated. The results showed that BSMs did not affect the double bond conversion of dental resin, but could reduce volumetric shrinkage (p < 0.05). The BSM containing resins can resist protein and bacteria adhesion (S. Mutans)… More >

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