bluuebunny/crossref_metadata_2025_split huggingface dataset:
Advancing Green and Sustainable Approaches: Investigating the Impact of Carbohydrates on Silica‐Filled Natural Rubber Composites
Authors: Bera Abhijit , Manna Bharat , Ghosh Amit , Nanda Samik , Chattopadhyay Santanu 
Published: January 2025

ABSTRACTReducing rolling resistance in heavy‐vehicle tyres, such as those used in trucks and buses, is crucial for lowering fuel consumption. Incorporating maximum silica filler into naturally derived elastomers, particularly cis‐1,4‐polyisoprene (CPI), presents a significant opportunity for the tyre industry to produce environmentally friendly and sustainable tyres with a reduced carbon footprint. However, achieving uniform dispersion of silica filler in CPI is challenging because of the disruption of silanization reactions by non‐rubber substances, primarily proteins and phospholipids, present in CPI. This study explores the introduction of various cost‐effective carbohydrates (i.e., Arabinose, Sucrose, Sorbitol, and Xylose) into the CPI matrix at different silica filler loadings to mitigate interference during silanization. Among these, the polyol group sugar alcohol, sorbitol, notably enhanced silica dispersion within the CPI matrix. The inclusion of sorbitol not only minimized rolling resistance but also improved processing behavior and significantly enhanced mechanical properties. The use of bio‐based sugar alcohols in tyre production holds promise for advancing the development of eco‐friendly and sustainable tyres. Molecular dynamics simulations of CPI with these carbohydrates and silica filler demonstrate minimal structural deviation in CPI and maximum network formation, particularly with sorbitol. The findings also confirm strong interactions between CPI's non‐rubber components and the OH/CHO groups of the carbohydrates.
The Absorption, Distribution, Metabolism, and Excretion of Binimetinib Following a Single Oral Dose of [14C]Binimetinib 45 mg in Healthy Male Participants
Authors: Huynh Dustin , Hahn Erik , Reddy Micaela B. , Chavira Renae , Wollenberg Lance 
Published: January 2025

ABSTRACTBinimetinib is a MEK1/2 inhibitor particularly active in cells harboring activating mutations in the MAP kinase pathway, especially in BRAF and NRAS. Binimetinib, in combination with encorafenib, has received marketing approval in several jurisdictions for the treatment of patients with BRAF V600E or V600K mutant melanoma. The absorption, distribution, metabolism, and excretion of binimetinib were evaluated by administering a carbon 14–labeled binimetinib 45 mg dose (containing 40 μCi of radiolabeled material) to 6 healthy male participants. A total of 62.3% of the radioactivity was eliminated in the feces, while 31.4% was eliminated in the urine. The overall recovery of radioactivity in the excreta for all 6 participants was 93.6% (3.27%), indicating that good mass balance was achieved. The total percentage of the dose in the excreta of all metabolites containing the N‐demethylation clearance of binimetinib by CYP1A2 and CYP2C19 was approximately 17.8%. The contribution of direct glucuronidation to the clearance of binimetinib was estimated to be 61.2% and represented the majority of the clearance. Additionally, excretion of unchanged binimetinib into the urine was estimated to have contributed 6.9% to the overall clearance. Based on study results, binimetinib is at least ≈ 50% absorbed, but based on its PK properties and because its glucuronide conjugates are unstable in the GI tract, absorption is thought to be significantly higher.
Students' Perspectives on Sustainability Competences and Pedagogical Approaches: Groupings and Interrelations Results From 17 International Case Studies
Authors: Lozano Rodrigo , Barreiro‐Gen Maria , Ortiz‐Martínez Gabriela , Mendoza Alberto , Segalàs Jordi , Caeiro Sandra , Simão João , Favi Claudio , Gładysz Bartłomiej , Alló María , Gago‐Cortés Carmen , Tortato Ubiratã , Mónus Ferenc , Pietikäinen Janna , Södervik Ilona , Ratvio Rami , Bostanci Sevket , Tóth Márta Dobróné , Benayas Javier , Munguía María Teresa Jiménez , Cervantes Déborah Xanat Flores , Díaz René Alejandro Lara , Corona Nelly Ramírez , Desha Cheryl , Hales Rob , Boddy Jennifer , Djekic Ilija , Caldera Savindi , Sáenz Orlando , Azizi Leyla , Sassen Remmer 
Published: January 2025

ABSTRACTHigher education institutions (HEIs) have been incorporating sustainability into their curricula, which is crucial for providing students with the skills and knowledge to help societies become more sustainable. During the last 15 years, there has been increasing research on sustainability competences and the pedagogical approaches to develop them. There have been proposals on lists of competences, pedagogical approaches, their groups and their links. However, most research has focused on the perspective of educators, with limited research from the students' perspective. This paper aims to provide the students' perspective of the groups of sustainability competences, groups of pedagogical approaches, and how these connect. A survey was developed for this purpose, which was applied to participants from 17 HEIs worldwide. The responses obtained were analysed in a five‐step process: Descriptive statistics, Spearman correlations, Principal Component analysis (PCA) to detect the competence and pedagogical approaches groups, correlations between the groups and regressions between the groups. The PCA analysis resulted in three competences' groups and confirmed the three pedagogical approach groups. The analyses showed differences in the competences' groups between the students' and educators' perspectives. The regression analysis groups shows how the pedagogical approach groups develop the competences' groups from the students' perspective. Developing sustainability competences requires a change in the higher educational system, where the educators' and students' perspectives need to converge so that the sustainability competence–based education model is more efficient and effective in educating the future leaders, decision‐makers, educators, management and professionals.
Mechanism of Formation and Decomposition of C6H5(O2•)C(OH)C6H4OH
Authors: Poskrebyshev Gregory A. 
Published: January 2025

AbstractIn the present theoretical study, the thermochemical properties of Ph(O2•)C(OH)PhOH and considered products of its oxidation are calculated using the DFT approaches (M062X, B3LYP, wB97XD, M08HX, MN15) at the 6−311++G(d, p) level of theory. The DFT values of ΔraHo(Yi) of the atomization of considered structures are corrected using the linear calibration dependencies reported for the peroxides as well as for the hydrocarbons (including aromatic and simple oxygenated compounds). The values of ΔfHo(Yi, CORR) ± 3SDi, derived from the corrected values of ΔraHo(Yi, CORR), are coordinated by the intersection of their 3SDi intervals, determined previously. The values of ΔfHo(Y, MEAN) ± 2SDY of the Ph(O2•)C(OH)PhOH (2F), Ph•─OO─C(OH)PhOH (3G), HOPh•─OO─C(OH)Ph (2G), PhC(OH)2PhOH (1H), Ph(O2H)C(OH)PhOH (4G) and Ph(O•)C(OH)PhOH (1G) (corresponded, respectively, to −159.4 ± 6,−55.2 ± 6,−61.5 ± 3.7,−385.8 ± 6,−293.4 ± 1.4,−148.9 ± 6 kJ/mol), as well as the values of Ea‡ = 127.8 ± 7, 121.2 ± 8, 17.2 ± 5, 19.4 ± 3 kJ/mol, determined, respectively, for the reactions (R21a), (R21b), (R22a), (R22b) and the values of the rate constants of associated reactions, are reported for the first time. According to calculations, the replacement of >C•H by OH group increases the values of dissociation energy (DE) of >C(X)─O2•, >C(X)O─O•, >C(X)O─H, PhC(X)OO─•PhOH, and HOPhC(X)OO─•Ph bonds, but decreases those values of >C(X)O2–H, HOPhC(X)OO•Ph, and PhC(X)OO•PhOH bonds. As a result of increased stability of the >C(X)─O2• bond (X = OH), the higher temperatures can be used for the chain production of p‐PhC(O2H)HPhOH and p‐PhC(O2H)(OH)PhOH at high concentrations of p‐PhCH2PhOH. On the contrary, the contribution of reactions (R21a) and (R21b) to the oxidation is significant under low concentrations of p‐PhCH2PhOH. Its also found that the stable intermediate O2 π–π cluster, predicted for the >C•(H) radical, is not observed for the reaction of >C•(OH) with O2, due to the formation of a hydrogen bond between the OH group and partially charged O2δ−.
Self‐Assembly of Nickel Cobalt Sulfide/MXene Microspheres for Supercapacitors With Excellent Electrochemical Performance
Authors: Wei Liguo , Liu Junyun , Zhao Lishuang , Wang Run , Zhang Xindan , Zhang Zihan , Bai Haihong 
Published: January 2025

AbstractMXene, a novel 2‐D material known for its exceptional conductivity and high hydrophilicity, holds significant promise in advancing supercapacitor technology. However, its layered structure tends to self‐stack, hindering ion transport and limiting its specific capacitance. In this paper, nickel cobalt sulfide (NCS)/MXene self‐assembled microspheres were prepared by a simple hydrothermal method. The introduction of NCS effectively mitigates MXene from self‐stacking, while providing abundant electrochemical active sites that enhance its performance. NCS/MXene demonstrates an exceptional specific capacitance of 2544.1 F g−1 at 1 A g−1, surpassing the specific capacitance of both pure MXene and NCS. Moreover, it exhibits outstanding stability, maintaining 96% of its capacity after 5000 cycles. When assembled into asymmetric supercapacitors, the device achieves a high energy density of 43.2 Wh kg−1 at a power density of 768.1 W kg−1. This work provides a simple and reliable method for the development of sulfide/MXene composite electrode materials for supercapacitors.
A Review on Advancements in Solid‐State Hydrogen Storage: The Role of Porous Hollow Carbon Nanospheres
Authors: Wahab Ahmad Tarmizi Abd , Abdulkadir Bashir Abubakar , Miskan Siti Nurqurratulainie , Khan Md. Maksudur Rahman , Setiabudi Herma Dina 
Published: January 2025

AbstractThe hydrogen economy provides an alternative energy source that can be adopted for a long period. One of its key components is an efficient storage system, which has become a topic of significant research interest to meet the energy goals set by the US Department of Energy (DOE). The US DOE outlines the criteria for suitable hydrogen storage materials, which include cost‐effectiveness (specifically $300/kg H2 by 2025 and ultimately $266/kg H2), moderate operation temperatures (233–358 K), high storage capacity (5.5 wt% 40 g/L 2025, 11 wt%, 79 g/L ultimate), efficient adsorption/desorption cycles, as well as long lifetime operation (1500 cycles). Nanomaterials, particularly porous hollow carbon nanospheres (PHCNs), have attracted considerable attention due to their high storage capacity and unique characteristics, such as high surface area, tunable pore size, and superior kinetics. As a result, PHCNs may help to increase the hydrogen storage capacity of the solid‐state hydrogen storage systems. This paper offered an in‐depth analysis of the applications of PHCNs in hydrogen storage, comprising their synthesis, characterization methods, infiltration techniques, and the recent progress on the catalytic effects of the materials concerning hydrogen storage. The review concluded with a suggestion for future studies to increase the storage capacity of PHCNs in solid‐state hydrogen storage systems comprehensively, as it represents a pivotal step toward a hydrogen‐based economy, promoting energy security, and carbon‐neutral energy cycles.
Spectrophotometric Evaluation of Color Stability and Surface Microhardness of Resin Composites After Gastric Acid Erosion
Authors: Aldhafyan Mohammed , Khan Rawaiz , Saeed Waseem Sharaf , Alturki Mohammed , Al‐Odayni Abdel Basit , Alkhalaf Reem , Alrahlah Ali 
Published: January 2025

AbstractThe study aimed to investigate the effect of gastric acidic on color stability and surface hardness of resin‐composites after 24 h acidic storage. Four bulk fill resin‐composites (FiltekTM, SureFil SDR, Tetric N‐Ceram, Beautifil Bulk) and one flowable composite (Dynamic Flow) were investigated using disk‐shaped specimen for each study group before and after 24 h acidic storage (1.2 pH) at 37 °C. Color changes (∆E00) were evaluated using spectrophotometer at baseline (24 h post‐irradiation: T1) and after 24 h of acidic storage (T2). Surface microhardness was measured at T1 and T2. The results inferred that, except FBF, all the study groups revealed significant and unacceptable color changes and reduction in microhardness. The ∆E00 ranged from 0.77 (FBF) to 28.73 (BBR) with FBF falls within an acceptable range (1.8). All the composites showed reduction in microhardness ranged from 20.48 (FBF) to 72.35 (BBR) with FBF showing the least reduction in microhardness. The data was analyzed by using one‐way ANOVA followed by Tukey post‐hoc analysis for multiple comparisons at a significance level of α = 0.05. Within the limitations of this study, FBF demonstrated better performance in acidic solution by showing the least color changes and reduction in microhardness as compared with other groups.
Synergistic Entropy Engineering with Oxygen Vacancy: Modulating Microstructure for Extraordinary Thermosensitive Property in ReNbO4 Materials
Authors: Sun Hao , Xu Jianan , Wu Ruifeng , Chen Jia , Liu Yafei , Li Kai , Chang Aimin , Zhang Bo 
Published: January 2025

AbstractThe pursuit of high precision and stability simultaneously in high‐temperature thermistor fields is longstanding. However, most spinel or perovskite‐structured thermosensitive materials struggle to tolerate prolonged high‐temperature environments at the expense of sensitivity and stability. Here, a novel entropy engineering strategy involving vacancies is proposed to balance sensitivity and stability for fergusonite‐structured ReNbO4 (Re is a rare earth element) material in extreme environments. The synergistic effect of entropy stabilization and allovalent substitution on the A‐site generates unusually high concentrations of oxygen vacancy that improves the electronic structure and structural stability. Moreover, entropy engineering involving oxygen vacancies introduces potent and stable microstructural features including twinned domains, lattice distortion, and lattice reconfigurations, which facilitate stability and accuracy at a wide temperature range, thereby synergistically contributing to excellent thermosensitive properties. As‐prepared high‐entropy ceramics show low aging drift rates and high‐temperature measurement accuracy over the extended temperature range of 223–1423 K, exhibiting a competitive temperature coefficient of resistivity of 0.223%/K at 1423 K. This work not only provides valuable insights into the design of high‐temperature thermosensitive sensors but also establishes an effective paradigm for entropy engineering involving vacancies.
Exploring Green Pyrotechnic Formulations and Primary Explosives with 1,3,4‐Oxadiazole‐Based Micro and Submicron Energetic Coordination Polymers
Authors: Banik Shreyasi , Rajak Richa , Shreeve Jean'ne M. , Dharavath Srinivas 
Published: January 2025

AbstractAlkali and alkaline‐earth metal incorporated 5,5′‐dinitramino‐3,3′‐azo‐1,3,4‐oxadiazole (H2DNAO) based Energetic Coordination Polymers (ECPs), namely dipotassium 5,5′‐dinitramino‐3,3′‐azo‐1,3,4‐oxadiazole(K2DNAO), dicesium 5,5′‐dinitramino‐3,3′‐azo‐1,3,4‐oxadiazole(Cs2DNAO) and barium 5,5′‐dinitramino‐3,3′‐azo‐1,3,4‐oxadiazole(BaDNAO) are synthesized for the first time. Synthesized ECPs are thoroughly characterized using infrared spectroscopy (IR), elemental analysis (EA), thermogravimetric analysis and differential scanning calorimetry (TGA‐DSC), field emission scanning electron microscopy (FE‐SEM), and dynamic light scattering (DLS), UV–vis spectroscopy. All ECPs are also confirmed by single‐crystal X‐ray diffraction technique (SC‐XRD). The micro‐ECPs exhibit excellent densities (1.98–2.80 g cm−3), insensitivities (IS: 25‐40 J; FS: 240‐360 N), and good thermal stabilities (Td: 182–212 °C). K2DNAO and Cs2DNAO show good detonation performance (VOD:7460‐7893 m s−1; DP: 27.5‐30.6 GPa), respectively. To further investigate sub‐micron‐energetics, three sub‐micron ECPs are prepared from their micro counterparts using ultrasonication method, demonstrating significant improvement in thermal stability (Td: 194–221 °C) but are highly sensitivity (IS: 2‐15J; FS: 40‐360N). Burning tests of two experimental formulations using micro K2DNAO and Cs2DNAO demonstrate their potential in green pyrotechnic applications. Interestingly, the submicron‐counterparts show remarkable initiating capability. Considering their ease of synthesis, and safety profile, these materials can be effectively transported in their microform and can be rapidly converted into submicron‐form on demand, making them suitable for pyrotechnic applications.
Interconnected Lamellar 3D Semiconductive PCP for Rechargeable Aqueous Zinc Battery Cathodes
Authors: Lin Zirui , Otake Ken‐ichi , Kajiwara Takashi , Hiraide Shotaro , Nurhuda Maryam , Packwood Daniel , Kadota Kentaro , Sakamoto Hirotoshi , Kawaguchi Shogo , Kubota Yoshiki , Yao Ming‐Shui , Horike Satoshi , Sun Xiaoqi , Kitagawa Susumu 
Published: January 2025

Abstract2D electronically conductive porous coordination polymers/metal–organic frameworks (2D EC‐MOFs) of M‐HHTPs (HHTP = 2,3,6,7,10,11‐hexahydroxytriphenylene; M = Co, Ni, Cu, etc.) have received extensive attention due to their ease of preparation, semiconductive properties, and tunability based on the choice of metal species. However, slight shifts between layers attenuate their specific surface area and stability. In this study, the metal‐ion bridge strategy is newly adopted and a vanadyl counterpart of M‐HHTP is synthesized with a chemical formula of (VO)3(HHTP)2, hereafter referred to as VO‐HHTP. The semiconductor VO‐HHTP has a vertical interconnection by octahedral VO6 chains and exhibits a relatively high specific surface area (ca. 590 m2 g−1) compared to other 2D EC‐MOFs. Motivated by its redox activity and porous nature, VO‐HHTP is applied as the cathode material in rechargeable aqueous zinc batteries (RAZBs). VO‐HHTP demonstrates a high capacity of 240 mAh g−1 and excellent rate capability, even with a reduced amount of conductive agent, surpassing the performance of the previous EC‐MOFs. Furthermore, its stable structure ensures long‐term cycling stability, addressing a common issue in previous EC‐MOFs. The work contributes to the development of new concepts in both the design of π‐conjugated EC‐MOFs and the study of cathode materials for RAZBs.
Structural Stressing State Characteristics for Unbonded Prestressed Concrete Continuous Slabs Under Different Fire Conditions
Authors: Yang Chuan , Dong Yuli , Qi Jianquan , Duan Jintao , Zhang Dashan 
Published: January 2025

ABSTRACTThis paper reveals the general working law of unbonded prestressed concrete (UPC) continuous slabs under different fire conditions by applying the structural stressing state theory. Firstly, the experimental deflection data are transformed into generalized work of force (GWF) values to represent the structural stressing state and the corresponding characteristic parameters. Then, the Mann–Kendall criterion is adopted to detect the mutation points where the characteristic parameter curves show a trend change with increasing temperature. Accordingly, it is verified that the evolutions of stressing state modes also present the corresponding mutation characteristics. The stressing state mutations reveal the linear‐elastic branch (LEB) points, elastoplastic branch (EPB) points, and failure starting (FS) points of the continuous slab's working process, complying with the natural law from quantitative change to qualitative change of a system. Finally, the formula is fitted to calculate the failure loads with a verification, and the existing failure loads were redefined to provide a new and valuable reference for analyzing the working behavior of UPC continuous slabs in fire.
Review of Cold‐Formed Steel Z‐Section Beams: Design Approaches and Performance Analysis
Authors: Siva Koppala , J Visuvasam , Srikanth Darla 
Published: January 2025

ABSTRACTThe review of cold‐formed steel (CFS) Z‐section beams focuses on various design approaches, including analytical, numerical, and experimental methods. It also analyzes their performance under different loading conditions, highlighting their efficiency in structural applications. CFS Z‐section beams are widely used in construction for their high strength‐to‐weight ratio. The analysis covers the structural properties, applications, and advancements in both lipped and unlipped Z‐sections, focusing on recent research findings. The review highlights the importance of optimizing design techniques to improve the accuracy of predictions related to web crippling capacity, bending, and torsional strength. Theoretical and experimental investigations, including FEA, are discussed to assess the reliability of existing design codes like the direct strength method (DSM). The study reveals that while DSM offers a solid foundation, it requires further refinement to address limitations, particularly in high‐strength steel applications. Overall, this review emphasizes how crucial it is to carry out more research on the behavior and functionality of CFS Z‐section beams to guarantee their safe and efficient usage in building applications. Consequently, the findings from this review are analyzed alongside existing methodologies, showcasing areas where the proposed approaches can improve performance and enhance predictive accuracy in design and application.
Axial Compression Performance of Square Steel Tube Steel Fiber Concrete Columns
Authors: Jia Shichao , Xu Xiao , Yang Anqi , Hao Wenxiu 
Published: January 2025

ABSTRACTThis study investigates the influence of microsteel fibers on the axial compressive properties of concrete‐filled square steel tubes (CFSSTs). Axial compression experiments and finite element analysis (FEA) were conducted on 10 specimens with varying steel fiber volume contents, steel tube wall thicknesses, and slenderness ratios to examine the failure modes, load–displacement curves, and ultimate bearing capacities of steel fiber‐reinforced concrete‐filled square steel tubes (SCFSSTs). Parameters such as force, ductility, energy dissipation capacity, and Poisson's ratio were assessed. The experimental results indicated that the addition of microsteel fibers can delay damage to the core concrete and buckling of the steel tubes. Specifically, increasing the volume content of steel fibers from 0% to 1.2% enhanced the ductility coefficient by 70%. Concurrently, both the energy dissipation and bearing capacities were improved as the steel fibers enhanced the postpeak performance of the CFSST. FEA was performed using the ABAQUS software to establish a steel fiber model. The FEA results were found to be consistent with the experimentally obtained load–displacement curves, and a parameter analysis was performed for further study. Finally, the applicability and accuracy of the four current international codes for calculating the ultimate bearing capacity of SCFSST were evaluated.