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Mater. Proc., 2025, ISAMR 2025

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7 pages, 907 KB  
Proceeding Paper
Comparative Assessment of the Properties of Normal Concrete and Epoxy-Repaired Concrete
by Olatunji Joseph Oladiran and Olusegun A. Oguntona
Mater. Proc. 2025, 27(1), 1; https://doi.org/10.3390/materproc2025027001 - 2 Dec 2025
Viewed by 189
Abstract
The purpose of this study is to compare normal and epoxy-repaired concretes. The test results show that the average compressive strengths of normal concrete, epoxy-repaired concrete Type 1, and epoxy-repaired concrete Type 2 at 21 and 28 days are 21.99 N/mm2 and [...] Read more.
The purpose of this study is to compare normal and epoxy-repaired concretes. The test results show that the average compressive strengths of normal concrete, epoxy-repaired concrete Type 1, and epoxy-repaired concrete Type 2 at 21 and 28 days are 21.99 N/mm2 and 25.03 N/mm2, 20.58 N/mm2 and 25.36 N/mm2, and 22.44 N/mm2 and 25.53 N/mm2, respectively. There were 13.79%, 23.19%, and 13.79% strength improvement between the 21- and 28-day period in normal concrete, epoxy-repaired concrete Type 1, and epoxy-repaired concrete Type 2, respectively. The study concludes that epoxy can effectively restore and even improve the structural integrity of cracked concrete. Full article
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10 pages, 834 KB  
Proceeding Paper
Bibliometric Trends in Green Nano Microbiology for Advanced Materials in Water Purification: A Sustainable Approach
by Magaly De La Cruz-Noriega, Renny Nazario-Naveda, Santiago M. Benites and Daniel Delfin Narciso
Mater. Proc. 2025, 27(1), 2; https://doi.org/10.3390/materproc2025027002 - 10 Dec 2025
Viewed by 258
Abstract
Water pollution is a global issue that threatens human health and ecosystems, driving the need for advanced purification technologies. Traditional methods face limitations in cost and efficiency, prompting the emergence of green nanomicrobiology as a sustainable alternative. This interdisciplinary approach integrates nanotechnology and [...] Read more.
Water pollution is a global issue that threatens human health and ecosystems, driving the need for advanced purification technologies. Traditional methods face limitations in cost and efficiency, prompting the emergence of green nanomicrobiology as a sustainable alternative. This interdisciplinary approach integrates nanotechnology and microbiology to develop advanced materials capable of eliminating contaminants. To assess scientific advancements in this field, a bibliometric analysis was conducted based on publications indexed in Scopus, utilizing tools such as VOSviewer 1.6.20 and RStudio 2025.09 to identify trends, institutional collaborations, and development patterns. The findings reveal a significant increase in scientific output between 2010 and 2025, with growing research on nanocomposites, adsorption processes, and hybrid microbiological systems. Notably, metallic nanoparticles and functionalized biopolymers, such as modified bacterial cellulose, demonstrate high efficiency in removing heavy metals and toxic residues. The study also highlights China’s pivotal role in scientific collaboration, with an expanding network of partnerships. Despite these advancements, challenges remain regarding industrial scalability, long-term toxicity, and regulatory frameworks. Integrating artificial intelligence and metagenomics could enhance these systems, strengthening their impact on water sustainability. Full article
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10 pages, 1154 KB  
Proceeding Paper
Biopolymers as Sustainable Materials for Membranes in Microbial Fuel Cells: A Bibliometric Analysis
by Segundo Jonathan Rojas-Flores, Magaly De La Cruz-Noriega, Renny Nazario-Naveda, Santiago M. Benites and Daniel Delfin-Narciso
Mater. Proc. 2025, 27(1), 3; https://doi.org/10.3390/materproc2025027003 - 11 Dec 2025
Viewed by 422
Abstract
Microbial fuel cells (MFCs) offer a sustainable solution for energy generation and wastewater treatment, yet their scalability is hindered by reliance on expensive and non-renewable synthetic membranes. This study addresses the critical need for eco-friendly alternatives by conducting a bibliometric analysis of biopolymers [...] Read more.
Microbial fuel cells (MFCs) offer a sustainable solution for energy generation and wastewater treatment, yet their scalability is hindered by reliance on expensive and non-renewable synthetic membranes. This study addresses the critical need for eco-friendly alternatives by conducting a bibliometric analysis of biopolymers used in MFC membrane development. Using data from Scopus and Web of Science (2012–2025), we applied quantitative and network-based methods to evaluate publication trends, collaboration patterns, and thematic evolution. The analysis identified chitosan, alginate, and cellulose as the most studied biopolymers due to their favorable proton conductivity, biodegradability, and potential for waste-derived production. Key findings include a surge in research output post-2018, strong interdisciplinary collaboration across materials science and microbiology, and emerging interest in nanomaterial integration and 3D printing for membrane enhancement. Despite promising advances, challenges persist with regard to the mechanical stability and standardization of fabrication methods. This study provides a strategic overview of the field, highlighting scientific progress and guiding future research toward scalable, high-performance biopolymer membranes for MFCs applications. Full article
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10 pages, 960 KB  
Proceeding Paper
Evolution and Trends in the Use of Biomaterials for Electrodes in Microbial Fuel Cells: A Bibliometric Approach
by Segundo Jonathan Rojas Flores, De La Cruz-Noriega, Renny Nazario-Naveda, Santiago M. Benites and Daniel Delfin-Narciso
Mater. Proc. 2025, 27(1), 4; https://doi.org/10.3390/materproc2025027004 - 11 Dec 2025
Viewed by 342
Abstract
This bibliometric study analyzes the evolution of biomaterials used for electrodes in microbial fuel cells (MFCs), highlighting a marked increase in publications since 2019. Key materials—including modified cellulose, lignin, and carbon nanocomposites—have improved electrode efficiency and structural stability. The findings indicate that high-impact [...] Read more.
This bibliometric study analyzes the evolution of biomaterials used for electrodes in microbial fuel cells (MFCs), highlighting a marked increase in publications since 2019. Key materials—including modified cellulose, lignin, and carbon nanocomposites—have improved electrode efficiency and structural stability. The findings indicate that high-impact journals, such as the Journal of Microbial Fuel Cell Research and Bioelectrochemistry & Sustainable Energy (with h-indices of 72 and 64, respectively), have played a pivotal role in advancing the field. Prominent researchers, including Yang J and Xie Q, have made significant contributions, as reflected in their high citation counts. Network analysis reveals limited international collaboration, underscoring the need to strengthen strategic partnerships. Ultimately, this study highlights the importance of future research that integrates artificial intelligence and nanotechnology to optimize biomaterial performance in MFCs, thereby enhancing their contribution to sustainable energy solutions. Full article
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12 pages, 1704 KB  
Proceeding Paper
Use of Spearmint (Mentha spicata) Leaves in the Biosynthesis of Silver Nanoparticles
by Renny R. Nazario-Naveda, Moisés M. Gallozzo-Cárdenas, Luis M. Angelats-Silva, Nicole A. Terrones-Rodriguez and Santiago M. Benites
Mater. Proc. 2025, 27(1), 5; https://doi.org/10.3390/materproc2025027005 - 24 Dec 2025
Viewed by 162
Abstract
This study aimed to synthesize silver nanoparticles using alcoholic extract of spearmint (Mentha spicata) leaves as a reducing agent and to evaluate their antimicrobial properties. Extract concentrations of 2–5% were used in media with varying pHs. Techniques such as UV-vis spectroscopy, [...] Read more.
This study aimed to synthesize silver nanoparticles using alcoholic extract of spearmint (Mentha spicata) leaves as a reducing agent and to evaluate their antimicrobial properties. Extract concentrations of 2–5% were used in media with varying pHs. Techniques such as UV-vis spectroscopy, FTIR, and DLS were used to characterize the nanoparticles. The formation of silver nanoparticles was verified by the appearance of a plasmon resonance peak at 418 nm with 2% extract and pH 9. DLS analysis showed a size of 16.1 nm for the 2% extract, which decreased to 10.8 nm with increasing concentration. These results demonstrated that alkaline pH and low extract concentrations favor the formation of monodisperse silver nanoparticles, while higher concentrations induce polydispersity. Silver nanoparticles exhibited antimicrobial activity against E. coli, S. aureus (complete inhibition) and C. albicans (inhibition halo), highlighting their potential in biomedical applications. Full article
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