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  • Open Access

    ARTICLE

    Novel Insights into the Conservation Physiology and Ex situ Conservation of the Threatened and Rare Semi-Aquatic Moss Drepanocladus lycopodioides (Amblystegiaceae)

    Bojana Z. Jadranin1, Marija V. Ćosić1, Djordje P. Božović1, Milorad M. Vujičić1,2, Beáta Papp3, Aneta D. Sabovljević1,2, Marko S. Sabovljević1,2,4,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.11, pp. 3039-3054, 2024, DOI:10.32604/phyton.2024.058469 - 30 November 2024

    Abstract The rare and threatened semi-aquatic moss Drepanocladus lycopodioides (Amblystegiaceae) was the subject of growth optimization under ex situ axenic laboratory conditions. The positioning of the plantlets on media, media types as well as selected growth regulators and sugars were parameters tested in optimizing growth promotion of this species in captivity. Out of the tested media types, the KNOP medium and the upright positioning of the explants were the best for propagation and biomass production of D. lycopodioides. The addition of sugars had no significant effect on this moss development axenically, while exogenously applied Benzylaminopurine (BAP) at a… More >

  • Open Access

    ARTICLE

    Mitigation of Detrimental Effects of Salinity on Sweet Pepper through Biochar-Based Fertilizers Derived from Date Palm Wastes

    Adil Mihoub1,*, Mohammed Mesnoua1, Nabil Touzout2, Reguia Zeguerrou1, Nourelislm Siabdallah1, Chawqi Benchikh1, Saliha Benaoune1, Aftab Jamal3, Domenico Ronga4, Jakub Černý5,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.11, pp. 2993-3011, 2024, DOI:10.32604/phyton.2024.057536 - 30 November 2024

    Abstract Globally, salinity is a brutal environmental constraint that poses a major threat to agriculture worldwide, causing nutrient imbalances and oxidative stress, leading to reduced crop yields and quality. Date palm waste from the agro-industry is a major environmental problem, but its conversion to biochar for soil amendment could help alleviate the effects of salinity stress. Pepper is a commonly grown horticultural crop that is sensitive to salinity. That’s why the current experiment was conducted with the novel idea of exploring the potential use of biochar-based fertilizer derived from date palm waste as a mitigation strategy… More >

  • Open Access

    ARTICLE

    Encapsulation of Clove Oil Nanoemlusion in Chitosan-Based Nano-Composite: In Vitro and in Vivo Antifungal Activity against Rhizoctonia solani and Sclerotium rolfsii

    Ahmed Mahmoud Ismail1,2,3,*, Eman Said Elshewy3, Isra H. Ali4,5, Naglaa Abd Elbaki Sallam Muhanna3, Eman Yehia Khafagi3

    Phyton-International Journal of Experimental Botany, Vol.93, No.11, pp. 2787-2811, 2024, DOI:10.32604/phyton.2024.057518 - 30 November 2024

    Abstract Rhizoctonia solani Kühn and Sclerotium rolfsii Sacc. are the primary soil-borne plant diseases responsible for significant reductions in global crop yields. The primary goal of this study was to investigate the antifungal potentials of clove essential oil (CEO), nanoemulsion form (CEONE) and chitosan/nanoemulsion nanocomposite (CS/CEONE) against R. solani and S. rolfsii through in vitro and in vivo trials. Both CEONE and CS/CEONE were prepared and investigated for their physical chemical and morphological characterization. The poisoned medium method was utilized to evaluate the inhibitory effects of CEO, CEONE and CS/CEONE on the mycelial growth and enzymatic activity of R. solani and S. rolfsii. The… More >

  • Open Access

    ARTICLE

    Identification of M2 macrophage-related genes for establishing a prognostic model in pancreatic cancer: FCGR3A as key gene

    ZHEN WANG1, JUN FU1, SAISAI ZHU1, HAODONG TANG2, KUI SHI1, JIHUA YANG3, MENG WANG3, MENGGE WU1, DUNFENG QI1,*

    Oncology Research, Vol.32, No.12, pp. 1851-1866, 2024, DOI:10.32604/or.2024.055286 - 13 November 2024

    Abstract Background: Pancreatic ductal adenocarcinoma (PDAC) has a rich and complex tumor immune microenvironment (TIME). M2 macrophages are among the most extensively infiltrated immune cells in the TIME and are necessary for the growth and migration of cancers. However, the mechanisms and targets mediating M2 macrophage infiltration in pancreatic cancer remain elusive. Methods: The M2 macrophage infiltration score of patients was assessed using the xCell algorithm. Using weighted gene co-expression network analysis (WGCNA), module genes associated with M2 macrophages were identified, and a predictive model was designed. The variations in immunological cell patterns, cancer mutations, and… More > Graphic Abstract

    Identification of M2 macrophage-related genes for establishing a prognostic model in pancreatic cancer: <i>FCGR3A</i> as key gene

  • Open Access

    PROCEEDINGS

    Multiscale Mechanics Design of Biodegradable Nano-Architected Materials: Toward a Sustainable Future

    Yuanzhen Hou1, YinBo Zhu1, Heng-an Wu1,*

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.30, No.4, pp. 1-2, 2024, DOI:10.32604/icces.2024.011353

    Abstract Traditional materials are emerging increasingly severe problems such as environmental pollution, non-renewability, and resource waste. As the most abundant natural biomass in nature, nanocellulose materials are expected to become a new generation of green, biodegradable, high-performance structural materials and contribute to sustainable development. Starting from the intrinsic relationship between hydrogen bonding network and microstructure deformation in nanocellulose, we performs the bottom-up multiscale mechanics methods, combing theoretical modeling, experimental characterization and material preparation, to reveal the physical mechanism and key characteristic parameters of the microstructure-regulated mechanical behaviors of nanocellulose materials, further establishing the cross-scale relationship between… More >

  • Open Access

    PROCEEDINGS

    Intrinsic Deformation Mechanism of Nanocellulose

    Rongzhuang Song1, Yinbo Zhu1,*

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.30, No.3, pp. 1-1, 2024, DOI:10.32604/icces.2024.012598

    Abstract Kink defects are prevalent in nanocellulose. The existence of diverse kink patterns lacking molecular-scale resolution has caused uncertainty regarding the mechanisms governing the formation of different kinks in nanocellulose, including both reversible and irreversible kinks. The constraints resulting from these limitations often lead to significant confusion in exploring the structure-property relationships of nanocellulose. By integrating AFM experiments with molecular dynamics simulations, we examined the microstructure-dependent kink deformations in nanocellulose (Iβ phase) and the resultant local microstructural damages. In atomic force microscopy images, bent nanofibrils typically display minor curvatures, whereas kinked nanofibrils exhibit pronounced sharp bends,… More >

  • Open Access

    PROCEEDINGS

    Multiscale Modeling and Application of Strain-Dependent Piezoresistive Behavior in Porous MWCNT/Polymer Nanocomposites

    Zefu Li1, Weidong Yang1,*

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.29, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.011671

    Abstract For composite materials incorporating porous structures with multi-walled carbon nanotubes (MWCNTs), the effects of pores and MWCNT agglomeration significantly impact electrical conductivity. Theoretical modeling of the piezoresistive behavior is crucial for understanding the electromechanical response of porous MWCNT/polymer nanocomposites. Currently, there is limited theoretical modeling that considers the combined effects of porosity and MWCNT agglomeration on the electrical conductivity and piezoresistive performance of porous MWCNT/polymer composites. Addressing this gap, this paper presents a multiscale modeling approach for the strain-dependent piezoresistive behavior of porous MWCNT/polymer nanocomposites. The model considers the influence of porosity and MWCNT agglomeration, More >

  • Open Access

    ARTICLE

    Quasi-Static and Low-Frequency Dynamic Mechanical Analysis Characterization of Graphene Nanoplatelets/Glass Fabric/Bisphenol-A-Based Epoxy Nanocomposites

    Santhanakrishnan Mamallan1, Venkateshwaran Narayanan1,*, Canungo Bhimarao Ragothaman2

    Journal of Polymer Materials, Vol.41, No.3, pp. 105-116, 2024, DOI:10.32604/jpm.2024.056744 - 30 September 2024

    Abstract Glass fabric/polymer composites are widely used in various industrial applications due to their lightweight, exceptional strength, and fatigue resistance. Graphene nanoplatelets, a recently developed type of carbon material, stand out as unique nanofillers due to their 2D quantum confinement and expansive surface area within a polymer matrix. These features make them more effective than traditional carbon nanofillers at enhancing a range of properties. In this study, 3-weight % of graphene nanoplatelets with epoxy resin were used for investigation by varying sonication durations (0, 20, 40, and 60 min) using an ultrasonic bath sonicator. The laminates More >

  • Open Access

    ARTICLE

    Potential of Bamboo Species Guadua trinii and Guadua angustifolia for Nanocellulose Production

    Agatha E. R. Prado Gárate1,2, Fernando E. Felissia2, María Cristina Area2, Teresa Suirezs3, María Evangelina Vallejos2,*

    Journal of Renewable Materials, Vol.12, No.9, pp. 1541-1555, 2024, DOI:10.32604/jrm.2024.052481 - 25 September 2024

    Abstract Non-traditional lignocellulosic materials are a significant resource for producing high-value products, including nanocellulose. This work studied the nanocellulose obtention from chemical pulps of the two fast-growing bamboo species, Guadua trinii, and Guadua angustifolia. Chemical pulps were produced by soda-anthraquinone (S) pulping from both autohydrolysis-pretreated (H) and unpretreated bamboo chips. Autohydrolysis-pretreated (SHP) and unpretreated soda-anthraquinone (AQ) (SP) pulps were characterized by yield, Kappa number, alpha, beta, and gamma cellulose, degree of polymerization, water retention value, and crystallinity. The nanocellulose was produced by a sequential chemical oxidation treatment (2,2,6,6-tetramethylpiperidine-1-oxyl, TEMPO reagent) and mechanical nanofibrillation. Nanocellulose was characterized by carboxylic… More > Graphic Abstract

    Potential of Bamboo Species <i>Guadua trinii</i> and <i>Guadua angustifolia</i> for Nanocellulose Production

  • Open Access

    ARTICLE

    Removal of Dye Using Lignin-Based Biochar/Poly(ester amide urethane) Nanocomposites from Contaminated Wastewater

    Annesha Kar1, Niranjan Karak1,2,*

    Journal of Renewable Materials, Vol.12, No.9, pp. 1507-1540, 2024, DOI:10.32604/jrm.2024.052220 - 25 September 2024

    Abstract The pursuit of incorporating eco-friendly reinforcing agents in polymer composites has accentuated the exploration of various natural biomass-derived materials. The burgeoning environmental crisis spurred by the discharge of synthetic dyes into wastewater has catalyzed the search for effective and sustainable treatment technologies. Among the various sorbent materials explored, biochar, being renewable, has gained prominence due to its excellent adsorption properties and environmental sustainability. It has also emerged as a focal point for its potential to replace other conventional reinforcing agents, viz., fumed silica, aluminum oxide, treated clays, etc. This study introduces a novel class of… More > Graphic Abstract

    Removal of Dye Using Lignin-Based Biochar/Poly(ester amide urethane) Nanocomposites from Contaminated Wastewater

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