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Rosemary‐Mediated Green Synthesis of ZnO Nanoparticles and their Integration into Hydrogel Matrices: Evaluating Effects on Wheat Growth and Antibacterial Properties Glob. Chall. (IF 4.4) Pub Date : 2024-07-19 Yağmur Uysal, Zeynep Görkem Doğaroğlu, Zehranur Çaylali, Delil Sefkan Karakulak
In this study, the impact of zinc oxide nanoparticles (ZnO‐NPs) generated using rosemary extract, synthesized using environmentally friendly processes and integrated into a cross‐linked polymer matrix, on growth performance of wheat is evaluated. Rosemary extract used as coating, stabilizing, and reducing agents in this green synthesis method. Fourier transform infrared spectroscopy analyses demonstrated
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Synthesis, Characterization, and Photocatalytic Activity of Magnetically Separable Fe3O4@SiO2@ZnO–Ag Composite Photocatalyst Glob. Chall. (IF 4.4) Pub Date : 2024-07-17 Hakan Kiziltas, Taner Tekin, Derya Birhan, Derya Tekin
Magnetically separable Fe3O4, Fe3O4@SiO2, Fe3O4@SiO2@ZnO, and Fe3O4@SiO2@ZnO–Ag composites are synthesized using hydrothermal and wet chemistry methods. The samples obtained are characterized in terms of morphology, composition, optical, and magnetic properties using TEM, SEM‐EDS, XRD, FTIR, VSM, XPS, and UV–vis, and the photodegradation of Acid Blue 161 dye under UV irradiation is investigated. As
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Assessing the Environmental Benefits of Extending the Service Lifetime of Solar Photovoltaic Modules Glob. Chall. (IF 4.4) Pub Date : 2024-07-17 Ahmed Burak Paç, Abdulkerim Gok
Requiring no fuel for generation and negligible material/energy for operation and maintenance, photovoltaic (PV) systems have environmental impacts mostly due to the production of modules and the commissioning of power plants. Thus, extending the service lifetime of these systems from 30 to 40 years through an enhanced lamination process for module production potentially reduces environmental impacts
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Harnessing Fungi Signaling in Living Composites Glob. Chall. (IF 4.4) Pub Date : 2024-07-12 Sarah Schyck, Pietro Marchese, Muhamad Amani, Mark Ablonczy, Linde Spoelstra, Mitchell Jones, Yaren Bathaei, Alexander Bismarck, Kunal Masania
Signaling pathways in fungi offer a profound avenue for harnessing cellular communication and have garnered considerable interest in biomaterial engineering. Fungi respond to environmental stimuli through intricate signaling networks involving biochemical and electrical pathways, yet deciphering these mechanisms remains a challenge. In this review, an overview of fungal biology and their signaling
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Trade‐offs and Synergies between Economic and Environmental Cocoa Farm Management Decisions Glob. Chall. (IF 4.4) Pub Date : 2024-07-10 Joseph Bandanaa, Isaac. K. Asante, Irene S. Egyir, Ted Y. Annang, Johan Blockeel, Anja Heidenreich, Irene Kadzere, Christian Schader
Optimizing sustainability among smallholder farms poses challenges due to inherent trade‐offs. In the study of organic and conventional cocoa smallholder farming in Ghana, 398 farms are assessed using the Food and Agriculture Organsation of the United Nations (FAO) Sustainability Assessment of Food and Agriculture systems (SAFA) Guidelines and Sustainability Monitoring and Assessment Routine (SMART)‐Farm
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Photoelectrocatalytic Hydrogen Generation: Current Advances in Materials and Operando Characterization Glob. Chall. (IF 4.4) Pub Date : 2024-07-04 Mohammed Ahmed Zabara, Burak Ölmez, Merve Buldu‐Akturk, Begüm Yarar Kaplan, Ahmet Can Kırlıoğlu, Selmiye Alkan Gürsel, Mihrimah Ozkan, Cengiz Sinan Ozkan, Alp Yürüm
Photoelectrochemical (PEC) hydrogen generation is a promising technology for green hydrogen production yet faces difficulties in achieving stability and efficiency. The scientific community is pushing toward the development of new electrode materials and a better understanding of the underlying reactions and degradation mechanisms. Advances in photocatalytic materials are being pursued through the
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Understanding the Role of Controlled Environments for Producing Mycelium‐bound Composites: Advancing Circular Practices for Integrating Biotechnology into the Construction Industry Glob. Chall. (IF 4.4) Pub Date : 2024-05-30 Tiziano Derme, Francis W. M. R. Schwarze, Benjamin Dillenburger
The architecture, engineering, and construction industry is undergoing a significant shift, steering buildings away from resource‐intensive processes toward becoming instruments for climate mitigation. In this transformative landscape, integrating circular bio‐based alternatives and reducing emissions through biotechnological and enzymatic processes have significant potential. Specifically, mycelium‐bound
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Toward Renewable Solar Energy Systems: Advances in Photocatalytic Green Hydrogen Production Glob. Chall. (IF 4.4) Pub Date : 2024-05-28 Pablo Jiménez‐Calvo, Oleksandr Savateev, Katherine Villa, Mario J. Muñoz‐Batista, Kazunari Domen
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Chemical Textures on Rare Earth Carbonates: An Experimental Approach to Mimic the Formation of Bastnäsite Glob. Chall. (IF 4.4) Pub Date : 2024-05-18 Melanie Maddin, Remi Rateau, Adrienn Maria Szucs, Luca Terribili, Brendan Hoare, Paul C. Guyett, Juan Diego Rodriguez‐Blanco
The interaction between multi‐component rare earth element (REE) aqueous solutions and carbonate grains (dolomite, aragonite, and calcite) are studied at hydrothermal conditions (21–210 °C). The effect of ionic radii of five REEs (La, Ce, Pr, Nd, Dy) on solid formation are analyzed using two solution types: equal REE concentrations and concentrations normalized to Post Archean Australian Shale Standard
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Harnessing the Power of Light: The Synergistic Effects of Crystalline Carbon Nitride and Ti3C2Tx MXene in Photocatalytic Hydrogen Production Glob. Chall. (IF 4.4) Pub Date : 2024-05-11 Khai Jie Wong, Joel Jie Foo, Tan Ji Siang, Valerine Khoo, Wee‐Jun Ong
Photocatalytic hydrogen evolution is an environmentally friendly means of energy generation. Although g‐C3N4 possesses fascinating features, its inherent shortcomings limit its photocatalytic applications. Therefore, modifying the intrinsic properties of g‐C3N4 and introducing cocatalysts are essential to ameliorate the photocatalytic efficiency. To achieve this, metal‐like Ti3C2Tx is integrated with
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Repurposing Sewage and Toilet Systems: Environmental, Public Health, and Person‐Centered Healthcare Applications Glob. Chall. (IF 4.4) Pub Date : 2024-05-11 Defne Yigci, Joseph Bonventre, Aydogan Ozcan, Savas Tasoglu
Global terrestrial water supplies are rapidly depleting due to the consequences of climate change. Water scarcity results in an inevitable compromise of safe hygiene and sanitation practices, leading to the transmission of water‐borne infectious diseases, and the preventable deaths of over 800.000 people each year. Moreover, almost 500 million people lack access to toilets and sanitation systems. Ecosystems
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Comment on “Sexism in Academia is Bad for Science and a Waste of Public Funding” Glob. Chall. (IF 4.4) Pub Date : 2024-04-24 Leonie Barner
A recent comment by Boivin et al. urges academia and governments to address sexism and fight bias at higher education and research institutions as losing female academics is costing science and society too much. Herein, I discuss further underlying reasons of sexism in academia and the importance of a deep dive into the causes of inequity at individual faculty and school levels to develop bespoke and
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How to Improve Sustainability in Fused Filament Fabrication (3D Printing) Research? Glob. Chall. (IF 4.4) Pub Date : 2024-04-23 Cristiane Kalinke, Robert D. Crapnell, Paulo R. de Oliveira, Bruno C. Janegitz, Juliano A. Bonacin, Craig E. Banks
This review aims to provide an overview of sustainable approaches that can be incorporated into well‐known procedures for the development of materials, pre‐ and post‐treatments, modifications, and applications of 3D‐printed objects, especially for fused filament fabrication (FFF). Different examples of conductive and non‐conductive bespoke filaments using renewable biopolymers, bioplasticizers, and
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Parameter Extraction of Single, Double, and Triple‐Diode Photovoltaic Models Using the Weighted Leader Search Algorithm Glob. Chall. (IF 4.4) Pub Date : 2024-04-18 İpek Çetinbaş
This study presents the parameter extraction of single, double, and triple‐diode photovoltaic (PV) models using the weighted leader search algorithm (WLS). The primary objective is to develop models that accurately reflect the characteristics of PV devices so that technical and economic benefits are maximized under all constraints. For this purpose, 24 models, 6 for two different PV cells, and 18 for
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Photoelectrocatalysis for Hydrogen Evolution Ventures into the World of Organic Synthesis Glob. Chall. (IF 4.4) Pub Date : 2024-04-15 Giuseppe Sportelli, Miriam Marchi, Paolo Fornasiero, Giacomo Filippini, Federico Franco, Michele Melchionna
The use of light as a catalytic prompt for the synthesis of industrial relevant compounds is widely explored in the past years, with a special consideration over the hydrogen evolution reaction (HER). However, semiconductors for heterogeneous photocatalysis suffer from fast charge recombination and, consequently, low solar‐to‐hydrogen efficiency. These drawbacks can be mitigated by coupling photocatalysts
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Degradation of Orange G, Acid Blue 161, and Brillant Green Dyes Using UV Light‐Activated GA–TiO2–Cd Composite Glob. Chall. (IF 4.4) Pub Date : 2024-04-15 Derya Tekin, Derya Birhan, Taner Tekin, Hakan Kiziltas
In this study, photocatalysts with high photocatalytic activity performance are synthesized by synthesizing graphene aerogel‐supported, cadmium‐doped TiO2 composites by hydrothermal method for the effective degradation of organic dyes in wastewater. Here, GA–TiO2–Cd is investigated as a photocatalyst for the degradation of toxic dyes named Orange G, Acid Blue 161, and Brilliant Green in the UV part
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Boosting Water Retention in Agriculture: Vine Biochar‐Doped Hydrogels' Swelling and Germination Effects Glob. Chall. (IF 4.4) Pub Date : 2024-03-29 Yağmur Uysal, Zeynep Görkem Doğaroğlu, Mehmet Nuri Makas, Zehranur Çaylali
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Toward Better and Healthier Air Quality: Global PM2.5 and O3 Pollution Status and Risk Assessment Based on the New WHO Air Quality Guidelines for 2021 Glob. Chall. (IF 4.4) Pub Date : 2024-03-26 Jianhua Liu, Chao He, Yajun Si, Bin Li, Qian Wu, Jinmian Ni, Yue Zhao, Qixin Hu, Shenwen Du, Zhendong Lu, Jiming Jin, Chao Xu
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Retraction: Lopsided Blood-Thinning Drug Increases the Risk of Internal Flow Choking Leading to Shock Wave Generation Causing Asymptomatic Cardiovascular Disease Glob. Chall. (IF 4.4) Pub Date : 2024-03-25
V. R. S. Kumar, S. K. Choudhary, P. K. Radhakrishnan, R. S. Bharath, N. Chandrasekaran, V. Sankar, A. Sukumaran, C. Oommen, “Lopsided Blood-Thinning Drug Increases the Risk of Internal Flow Choking Leading to Shock Wave Generation Causing Asymptomatic Cardiovascular Disease.” Global Challenges 2021, 5, 2000076. https://doi.org/10.1002/gch2.202000076 The above article, published on January 29, 2021
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Retraction: Sanal Flow Choking: A Paradigm Shift in Computational Fluid Dynamics Code Verification and Diagnosing Detonation and Hemorrhage in Real-World Fluid-Flow Systems Glob. Chall. (IF 4.4) Pub Date : 2024-03-25
V. R. S. Kumar, V. Sankar, N. Chandrasekaran, A. Sukumaran, S. A. R. M. Rafic, R. S. Bharath, R. V. Baskaran, C. Oommen, P. K. Radhakrishnan, S. K. Choudhary, “Sanal Flow Choking: A Paradigm Shift in Computational Fluid Dynamics Code Verification and Diagnosing Detonation and Hemorrhage in Real-World Fluid-Flow Systems.” Global Challenges 2020, 4, 2000012. https://doi.org/10.1002/gch2.202000012 The
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Fungal Carbon: A Cost-Effective Tunable Network Template for Creating Supercapacitors Glob. Chall. (IF 4.4) Pub Date : 2024-03-18 Mitchell P. Jones, Qixiang Jiang, Andreas Mautner, Aida Naghilou, Alexander Prado-Roller, Marion Wolff, Thomas Koch, Vasiliki-Maria Archodoulaki, Alexander Bismarck
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Transforming the Water‐Energy Nexus in Gaza: A Systems Approach Glob. Chall. (IF 4.4) Pub Date : 2024-03-12 Tony Rantissi, Vitaly Gitis, Zhiyuan Zong, Nick Hankins
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Perceptions of Deficiencies in the Basic Conditions for Farm Management and Quality of Life in Coffee-Growing Households: A Panel Analysis of a Rural Community in Eastern Uganda Glob. Chall. (IF 4.4) Pub Date : 2024-03-12 Anna Lina Bartl
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Immobilization of Bi2WO6 on Polymer Membranes for Photocatalytic Removal of Micropollutants from Water – A Stable and Visible Light Active Alternative Glob. Chall. (IF 4.4) Pub Date : 2024-02-28 Kristina Fischer, Amira Abdul Latif, Jan Griebel, Andrea Prager, Omid Shayestehpour, Stefan Zahn, Agnes Schulze
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Innovative Strategies for Photons Management on Ultrathin Silicon Solar Cells Glob. Chall. (IF 4.4) Pub Date : 2024-02-08 Ning Li, Andrea Fratalocchi
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Nanofiltration Ceramic Membranes as a Feasible Two-Pronged Approach toward Desalination and Lithium Recovery Glob. Chall. (IF 4.4) Pub Date : 2024-01-25 Chin Ho Kirk, Chiang Yon Douglas Chong, Xingyang Wang, Jianguo Sun, Qi Zhao, John Wang
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Thermodynamics, Environmental and Sustainability Impacts of a Turbofan Engine Under Different Design Conditions Considering Variable Needs in the Aviation Industry Glob. Chall. (IF 4.4) Pub Date : 2024-01-18 Hakan Aygun, Mohammad Rauf Sheikhi, Hakan Caliskan
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Advances and Applications of Metal-Organic Frameworks (MOFs) in Emerging Technologies: A Comprehensive Review Glob. Chall. (IF 4.4) Pub Date : 2023-12-30 Dongxiao Li, Anurag Yadav, Hong Zhou, Kaustav Roy, Pounraj Thanasekaran, Chengkuo Lee
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Imogolite Nanotubes and Their Permanently Polarized Bifunctional Surfaces for Photocatalytic Hydrogen Production Glob. Chall. (IF 4.4) Pub Date : 2023-12-20 Erwan Paineau, Gilberto Teobaldi, Pablo Jiménez-Calvo
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Mitigating Global Challenges: Harnessing Green Synthesized Nanomaterials for Sustainable Crop Production Systems Glob. Chall. (IF 4.4) Pub Date : 2023-12-25 Niranjana Sundararajan, Heena Shabnam Habeebsheriff, Karthikkumar Dhanabalan, Vo Huu Cong, Ling Shing Wong, Ranjithkumar Rajamani, Bablu Kumar Dhar
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Green Coffee Bean Extract Assisted Facile Synthesis of Reduced Graphene Oxide and Its Dye Removal Activity Glob. Chall. (IF 4.4) Pub Date : 2023-12-21 A.B.M. Nazmul Islam, Prianka Saha, Md. Emran Hossain, Md. Ahsan Habib, Kaykobad Md. Rezaul Karim, Md. Mahiuddin
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Conditions for CaCO3 Biomineralization by Trichoderma Reesei with the Perspective of Developing Fungi-Mediated Self-Healing Concrete Glob. Chall. (IF 4.4) Pub Date : 2023-12-21 Aurélie Van Wylick, Hubert Rahier, Lars De Laet, Eveline Peeters
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Advances in Nanohybrid Membranes for Dye Reduction: A Comprehensive Review Glob. Chall. (IF 4.4) Pub Date : 2023-12-21 Mahsa Taheri
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The Fragile State of Industrial Agriculture: Estimating Crop Yield Reductions in a Global Catastrophic Infrastructure Loss Scenario Glob. Chall. (IF 4.4) Pub Date : 2023-12-20 Jessica Moersdorf, Morgan Rivers, David Denkenberger, Lutz Breuer, Florian Ulrich Jehn
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Sustainable Power Generation Through Solar-Driven Integration of Brayton and Transcritical CO2 Cycles: A Comprehensive 3E (Energy, Exergy, and Exergoenvironmental) Evaluation Glob. Chall. (IF 4.4) Pub Date : 2023-12-20 Yunis Khan, Roshan Raman, Zafar Said, Hakan Caliskan, Hiki Hong
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Ba3(PO4)2 Photocatalyst for Efficient Photocatalytic Application Glob. Chall. (IF 4.4) Pub Date : 2023-12-07 Yassine Naciri, Ayoub Ahdour, Elhassan Benhsina, Mahmoud Adel Hamza, Asmae Bouziani, Abdelghani Hsini, Bahcine Bakiz, Jose Antonio Navío, Mohamed Nawfal Ghazzal
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Synthesis of N-Doped Graphene Photo-Catalyst for Photo-Assisted Charging of Li-Ion Oxygen Battery Glob. Chall. (IF 4.4) Pub Date : 2023-12-07 Nilay Kaçar, Ersu Lökçü, Meltem Çayirli, Reşat Can Özden, Sahin Coskun, Cigdem Toparli, İbrahim Çelikyürek, Mustafa Anik
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How to Survive at Point Nemo? Fischer–Tropsch, Artificial Photosynthesis, and Plasma Catalysis for Sustainable Energy at Isolated Habitats Glob. Chall. (IF 4.4) Pub Date : 2023-12-04 lgor Levchenko, Shuyan Xu, Oleg Baranov, Kateryna Bazaka
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Preserving Cultural Diversity in Rural Africa Using Renewable Energy Glob. Chall. (IF 4.4) Pub Date : 2023-11-27 Emil Roduner, Egmont R. Rohwer
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Strawberry Protease as a Laundry Detergent Additive Candidate: Immobilization, Compatibility Study with Detergent Ingredients, and Washing Performance Test Glob. Chall. (IF 4.4) Pub Date : 2023-11-24 Esma Hande Alici, Gulnur Arabaci
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Engineering Oxygen Vacancies in (FeCrCoMnZn)3O4-δ High Entropy Spinel Oxides Through Altering Fabrication Atmosphere for High-Performance Rechargeable Zinc-Air Batteries Glob. Chall. (IF 4.4) Pub Date : 2023-11-24 Cagla Ozgur, Tuncay Erdil, Uygar Geyikci, Can Okuyucu, Ersu Lokcu, Yunus Eren Kalay, Cigdem Toparli
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A Solar to Chemical Strategy: Green Hydrogen as a Means, Not an End Glob. Chall. (IF 4.4) Pub Date : 2023-11-20 Gabriel A. A. Diab, Marcos A. R. da Silva, Guilherme F. S. R. Rocha, Luis F. G. Noleto, Andrea Rogolino, João P. de Mesquita, Pablo Jiménez-Calvo, Ivo F. Teixeira
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Biomedical Big Data Technologies, Applications, and Challenges for Precision Medicine: A Review Glob. Chall. (IF 4.4) Pub Date : 2023-11-20 Xue Yang, Kexin Huang, Dewei Yang, Weiling Zhao, Xiaobo Zhou
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A Preliminary Assessment of Global CO2: Spatial Patterns, Temporal Trends, and Policy Implications Glob. Chall. (IF 4.4) Pub Date : 2023-11-16 Ahmed M. EI Kenawy, Talal Al-Awadhi, Meshal Abdullah, Rana Jawarneh, Ammar Abulibdeh
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Dye Degradation, Antimicrobial Activity, and Molecular Docking Analysis of Samarium-Grafted Carbon Nitride Doped-Bismuth Oxobromide Quantum Dots Glob. Chall. (IF 4.4) Pub Date : 2023-11-10 Shams Rani, Muhammad Imran, Ali Haider, Anum Shahzadi, Anwar Ul-Hamid, H. H. Somaily, Sawaira Moeen, Mahreen Khan, Walid Nabgan, Muhammad Ikram
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“You Are What You Eat”: How Fungal Adaptation Can Be Leveraged toward Myco-Material Properties Glob. Chall. (IF 4.4) Pub Date : 2023-11-08 Alicia Vivas Hernando, Wenjing Sun, Tiffany Abitbol
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Evaluation of the Char Formation During the Hydrothermal Treatment of Wooden Balls Glob. Chall. (IF 4.4) Pub Date : 2023-11-05 Jens Pfersich, Pablo J. Arauzo, Pierpaolo Modugno, Maria-Magdalene Titirici, Andrea Kruse
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Exergoeconomic and Thermodynamic Analyses of Solar Power Tower Based Novel Combined Helium Brayton Cycle-Transcritical CO2 Cycle for Carbon Free Power Generation Glob. Chall. (IF 4.4) Pub Date : 2023-11-03 Yunis Khan, Deepak Singh, Hakan Caliskan, Hiki Hong
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Civil Aviation Policies and Practices in Turkey in a Global Context Through Sustainable Aviation Glob. Chall. (IF 4.4) Pub Date : 2023-11-01 Betul Hande Gursoy Haksevenler, Nazife Umran Temel, Yelda Erden Topal
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Applicability of Redirecting Artemisinins for New Targets Glob. Chall. (IF 4.4) Pub Date : 2023-10-27 Jacob Golenser, Nicholas H. Hunt, Ida Birman, Charles L. Jaffe, Johanna Zech, Karsten Mäder, Daniel Gold
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Sustainable Production Insight Through LCA and LCC Analysis of Injection Overmolded Structural Electronics Manufactured through Roll-to-Roll Processes Glob. Chall. (IF 4.4) Pub Date : 2023-10-25 Minna Räikkönen, Laura Sokka, Lotta Hepo-oja, Sirpa Nordman, Thomas M. Kraft