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The unique properties of metal-organic frameworks (MOFs) such as their large surface area and high porosity have attracted considerable attention in recent decades. The MOFs are a promising class of materials for developing highly efficient biosensors due to these same properties. This bibliometric analysis focused on the use of MOFs as enzyme-coupled materials in biosensor construction and aimed to provide a comprehensive overview of the research field by analyzing a collected database. The analysis included identifying the countries that have published the most, the most prominent applications, and trends for future directions in the field. The study used three databases with different numbers of documents, differentiated by research areas, with refinements made to the search as needed. The results suggest that MOF-derived biosensors are a growing field, with the Republic of China emerging as a significant contributor to research in this area. The study also used computational processing of trend analysis and geocoding to reveal these findings. [ABSTRACT FROM AUTHOR]

This study delves into the burgeoning realm of biohydrogen production from renewable resources, with a particular focus on the role of bioreactors in addressing the worldwide demand for sustainable energy. It highlights the importance of selecting appropriate microorganisms, optimizing cultivation conditions, and designing efficient bioreactors. The research demonstrates how utilizing agricultural and industrial waste can substantially cut greenhouse gas emissions. A bibliometric analysis shows a marked increase in publications, with China initially at the forefront, though India is rapidly gaining ground. While China leads regarding the H-index and citations, notable contributions come from India and South Korea. Funding from agencies in China and Brazil, as are contributions from specific scientific journals, is crucial. Co-authorship and co-citation analysis pinpoint key researchers and collaborative networks. Moreover, keyword trends like "dark fermentation," " Enterobacter aerogenes ," and "lignocellulosic biomass" indicate evolving research directions. Overall, the findings highlight China's dominance in the field and offer strategic insights into future developments in biohydrogen production for cleaner energy solutions. [Display omitted] • The study highlights bioreactors' role in advancing sustainable energy. • Highlights optimal microorganism selection and cultivation for biohydrogen. • Agricultural and industrial waste use reduces greenhouse emissions. • Bibliometric analysis shows rising research, China leading, and India advancing. • Funding from China and Brazil and key journals are vital for advancing research. [ABSTRACT FROM AUTHOR]

Biosensors with nanomaterials and enzymes detect and quantify specific targets in samples, converting recognition into measurable signals. The study explores the intrinsic synergy between these elements for detecting and quantifying particular targets in biological and environmental samples, with results demonstrated through bibliometric analysis and a comprehensive review of enzyme-based biosensors. Using WoS, 57,331 articles were analyzed and refined to 880. Key journals, countries, institutions, and relevant authors were identified. The main areas highlighted the multidisciplinary nature of the field, and critical keywords identified five thematic clusters, revealing the primary nanoparticles used (CNTs, graphene, AuNPs), major application fields, basic application themes, and niche topics such as sensitive detection, peroxidase activity, and quantum dot utilization. The biosensor overview covered nanomaterials and their primary applications, addressing recent advances and inherent challenges. Patent analysis emphasized the U.S. leadership in the industrial sector, contrasting with China's academic prominence. Future studies should focus on enhancing biosensor portability and analysis speed, with challenges encompassing efficient integration with recent technologies and improving stability and reproducibility in the nanomaterial-enzyme interaction. [Display omitted] • The review assessed nanomaterials' role in advancing biosensors with enzymes. • 57,331 docs explored nanomaterials' enzyme-based biosensor use. • Outlined top journals, nations, authors, and key papers • The 20 main keywords allow the formation of 4 clusters. • Comprehensive guidelines are provided for biosensor research. [ABSTRACT FROM AUTHOR]

Magnetic biocatalysts combine magnetic properties with the catalytic activity of enzymes, achieving easy recovery and reuse in biotechnological processes. Lipases immobilized by magnetic nanoparticles dominate. This review covers an advanced bibliometric analysis and an overview of the area, elucidating research advances. Using WoS, 34,949 publications were analyzed and refined to 450. The prominent journals, countries, institutions, and authors that published the most were identified. The most cited articles showed research hotspots. The analysis of the themes and keywords identified five clusters and showed that the main field of research is associated with obtaining biofuels derived from different types of sustainable vegetable oils. The overview of magnetic biocatalysts showed that these materials are also employed in biosensors, photothermal therapy, environmental remediation, and medical applications. The industry shows a significant interest, with the number of patents increasing. Future studies should focus on immobilizing new lipases in unique materials with magnetic profiles, aiming to improve the efficiency for various biotechnological applications. [Display omitted] • Research progress, trends, and updates on magnetic biocatalysts were investigated. • The growing interest in research into magnetic biocatalysts is described. • The application of magnetic biocatalysts over the last 12 years was studied. • Comprehensive guidelines are given for magnetic biocatalyst research. • The most and least used raw materials for producing magnetic biocatalysts were investigated. [ABSTRACT FROM AUTHOR]