JOURNAL OF THE ENERGY INSTITUTE
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2026
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IF 6.5
Yanni Liu,Dong Shen,Jun Liu,Yuqiong Zhao,Guojie Zhang
Dry reforming of methane (DRM) is a promising route for the simultaneous utilization of CH 4 and CO 2 to produce syngas, yet the development of efficient and stable catalysts for low-temperature DRM remains highly challenging. In this work, a series of Co/CeO 2 catalysts with morphology-controlled ceria supports were prepared to investigate the structure–performance relationship in DRM. Among them, the catalyst supported on CeO 2 nanorods (Co/CeO 2 -R) exhibited the best catalytic activity and stability at 600 °C. Structural characterization suggests that the CeO 2 -R support provides a higher surface area and defect density, which favors Co dispersion and the formation of Co-O-Ce interfacial structures. Raman, XPS, and H 2 -TPR results indicate that Co/CeO 2 -R possesses a higher concentration of oxygen vacancies and stronger interfacial interactions compared with other catalysts. CO 2 -TPD measurements further show enhanced CO 2 adsorption capacity, which is consistent with the increased density of defect sites. The results collectively suggest that the improved catalytic performance originates from the synergistic effect of Co dispersion, oxygen vacancies, and Co-O-Ce interfacial structures, which together promote CO 2 activation, oxygen transfer, and carbon removal. In situ DRIFTS results suggest a bifunctional reaction pathway, in which CH 4 activation is likely to occur on Co sites, while CO 2 is activated on defect-rich CeO 2 surfaces to form carbonate/formate species that may participate in carbon removal. Overall, this work establishes a structure-performance correlation between CeO 2 morphology and catalytic behavior, providing insights into the design of Co-based catalysts for low-temperature DRM.
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NEW JOURNAL OF CHEMISTRY
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2026
·
IF 2.6
Yiting Geng,Yiwei Wang,Qingyu Meng,Ningbo Huang,Shan Huang,Xiaojun Chen
Conventional antimicrobial strategies relying on multiple antibiotics are becoming increasingly ineffective against drug-resistant strains, highlighting the urgent need for non-antibiotic-dependent therapeutic approaches. In this context, nanotechnology-based multifunctional platforms have emerged as a promising frontier in antimicrobial research due to their resistance-free mechanisms, high controllability, and precise targeting capability. This study presents a multifunctional nanoscale system, Fe₃O₄@polydopamine -Vancomycin @DC 2.4 cell membrane (FPVM), designed for the enrichment, recognition, and synergistic eradication of S. aureus. The system features an Fe 3 O 4 core coated with polydopamine, which enhances both photothermal performance and biocompatibility. Vancomycin is subsequently conjugated to the surface to enable specific recognition and bactericidal activity. Finally, the nanoparticles are encapsulated with stimulated dendritic cell (DC) membranes, further reinforcing the targeting ability toward S. aureus. Under 808 nm near-infrared irradiation (1.2 W cm -2 ), the FPVM platform (400 µg mL -1 ) reduced the survival rate of S. aureus to below 5% within 9 h and disrupted over 90% of pre-formed biofilms, demonstrating high photothermal conversion efficiency. In summary, the FPVM system integrates enhanced targeting and antibacterial functions, offering a versatile blueprint for constructing next-generation antimicrobial platforms.
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Green Energy & Environment
·
2026
·
IF 16.7
Na Wang,Wenting Lu,Fengyan Han,Weiping Xiao,Xiaofei Yang
The electron density of Ce active center is modulated via constructing the Ce–O–Bi configuration in Ce-doped BiOX (X = Cl, Br, I). • Halogen-induced differences in electronegativity and ionic radius effectively modulate Bi–O lattice symmetry and electronic properties. • The optimal 2.5%Ce-BOB catalyst delivers excellent H 2 O 2 selectivity, high production yield and favorable 2e - ORR kinetics. • In-situ electro-generated H 2 O 2 realizes efficient electro-Fenton degradation of organic dye pollutants. The selectivity of two-electron oxygen reduction reaction (2e - ORR) is predominantly determined by the adsorption strength of the key intermediate *OOH on the catalyst active sites, which has often been tuned by 3d transition-metal doping. Herein, we fabricate rare earth Ce doped bismuth oxyhalide (BiOX, X = Cl, Br, I) catalysts. The built in Ce–O–Bi local configuration triggers efficient charge rearrangement and tunes the surface electron density of Ce active centers. Meanwhile, the differences in ionic radius and electronegativity among halogen species can modulate the symmetry of the Bi–O lattice, thereby forming a typical volcano-type correlation between the bond length and 2e - ORR catalytic performance. The synergistic effect of Ce doping and halogen modulation endows the 2.5%Ce-BOB catalyst with optimal 2e - ORR performance. It delivers a H 2 O 2 selectivity of over 90% within the potential range of 0.2-0.6 V and achieves a H 2 O 2 production rate of 2631.4 mmol g -1 h -1 at 0.1 V. Furthermore, this optimized catalyst demonstrates potential application in organic wastewater treatment, where the degradation efficiency of methylene blue (MB) reaches approximately 95% in 40 min and that of rhodamine B (RhB) approaches 99% in 15 min. This work provides new insights into the rational design of electrocatalysts and environmental applications of electrosynthesized H 2 O 2 via the synergistic regulation of rare-earth metal doping and halogen modulation. The synergistic strategy integrating Ce-doping and halogen modulation finely tailors the electronic environment of Ce active centers, endowing the 2.5%Ce-BOB electrocatalyst with favorable H 2 O 2 selectivity, considerable production capacity and effective electro-Fenton degradation of organic dyes. Download: Download high-res image (284KB) Download: Download full-size image
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FOOD RESEARCH INTERNATIONAL
·
2025
·
IF 8
Lijia Li,Xumei Feng,Yiting Gao,Fei Teng,Yang Li
Maillard conjugates of proteins and polysaccharides show excellent potential for gelation in W/O/W systems. Meanwhile, co-gelation strategies of the oil and external aqueous phases have received sustained attention in the study of W/O/W systems. This study investigated the physicochemical properties of soy lipophilic protein‑sodium alginate maillard conjugates (LP@SA) and its application with beeswax (BW) in the construction of gel-like W/O/W systems (G-W/O/W). pH 11-treated LP exhibited enhanced glycosylation sites, achieving a grafting degree of 55.36 % and a browning value of 0.84. SA improved LP's interfacial properties, including reduced particle size, increased zeta potential (−38.5 mV), and superior interfacial protein adsorption (84.08 % AP). Molecular dynamics simulations revealed that LP@SA and BW exhibited high solubility and diffusivity in aqueous and oil phases, respectively. Meanwhile, under optimized conditions (5 % BW and 1:1 LP/SA ratio), G-W/O/W exhibited optimal viscoelasticity and pH/thermal responsiveness, maintaining structural integrity under environmental fluctuations. Furthermore, In vitro release revealed sustained release in simulated intestinal fluid, with free fatty acid levels being controlled by BW. These findings highlight the co-gelation potential of LP@SA and BW and provide a technical basis for the development of novel W/O/W systems.
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PubMed
高影响因子
GREEN CHEMISTRY
·
2026
·
IF 10.6
Danni Liu,Kaige Zhang,Wenli Zhao,Xiaopo Niu,Xiangwen Zhang,Qingfa Wang
To address the challenges of complex separation and high energy consumption in producing high-density biofuels from biomass, developing high-efficiency bifunctional catalyst to integrate carbon-carbon coupling and hydrodeoxygenation processes is highly desired. Herein, a bifunctional catalyst with RuOx anchored on the edge of NbOPO4 nanosheets was successfully fabricated through an impregnation-calcination method, enabling one-pot solvent-free conversion of lignin-derived phenol and benzyl alcohol into polycycloalkane perhydrofluorene. The NbOPO4 nanosheet edges were enriched in oxygen vacancies and were prone to anchoring RuOx species preferentially. The optimized 3%RuOx/NbOPO4 exhibited abundant Ru-O-Nb interfacial species, which synergized with Brønsted acid sites (BASs) to enhance the alkylation performance. The in-situ generated Ru0 species from the Ru-O-Nb interfacial species exhibited superior hydrogen dissociation capability, then the synergistic interaction with BASs through hydrogen spillover significantly boosted the hydrodeoxygenation efficiency. 3%RuOx/NbOPO4 with more Ru-O-Nb interfacial species exhibited high conversion of benzyl alcohol (98%) and yield towards perhydrofluorene (72%) under mild conditions (160 °C, 3 h) with a low environmental E-factor (≤2.8). Mechanistic studies identified the cyclization hydrogenation of oxygenated intermediates as the rate-determining step, and the product dicyclohexylmethane was mainly formed from the selective ring opening of perhydrofluorene over the synergy metal-acid sites of 3%RuOx/NbOPO4. This study provides a deep insight into designing efficient bifunctional catalysts for sustainable aviation fuel production through process integration.
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FLUID PHASE EQUILIBRIA
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2012
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IF 2.139
Jian Cao,Chuan Wu,Hong Dong,Dahai Cheng,Yindi Zhang,Xia Wu
Vapor pressures, vaporization enthalpies and acentric factors for new compounds, diethoxy(methyl)( o -tolyl)silane, diethoxy(methyl)( m -tolyl)silane and diethoxy(methyl)( p -tolyl)silane were reported. The saturated temperature was measured using the inclined ebulliometer in the pressure range from 2000 to 61,000 Pa and the normal boiling point was measured according to the Siwoloboff method. The standard vaporization enthalpy was derived from the temperature dependence of vapor pressure data. The critical parameters were estimated by an improved group contribution method and the acentric factors have been estimated from the Antoine equation and the experimental normal boiling points.
研究领域:
热力学
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物理化学
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化学工程
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Nutrients
·
2023
·Vol. 15
·期 2
·372
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IF 5.9
Ruilin Hao,Shuhua Shan,Dandan Yang,Huimin Zhang,Yi Sun,Zhuoyu Li
A frequent chronic liver condition across the world is nonalcoholic fatty liver disease (NAFLD). Oxidative stress caused by lipid accumulation is generally considered to be the main cause of NAFLD. Anthocyanins can effectively inhibit the production of reactive oxygen species and improve oxidative stress. In this work, six major anthocyanins were separated from purple corncob by semi-preparative liquid chromatography. The effects of the 6 kinds of anthocyanins against NAFLD were investigated using a free fatty acid (FFA)-induced cell model. The results showed that peonidin 3-O-glucoside (P3G) can significantly reduce lipid accumulation in the NAFLD cell model. The treatment with P3G also inhibited oxidative stress via inhibiting the excessive production of reactive oxygen species and superoxide anion, increasing glutathione levels, and enhancing the activities of SOD, GPX, and CAT. Further studies unveiled that treatment with P3G not only alleviated inflammation but also improved the depletion of mitochondrial content and damage of the mitochondrial electron transfer chain developed concomitantly in the cell model. P3G upregulated transcription factor EB (TFEB)-mediated lysosomal function and activated the peroxisome proliferator-activated receptor alpha (PPARα)-mediated peroxisomal lipid oxidation by interacting with PPARα possibly. Overall, this study added to our understanding of the protective effects of purple corn anthocyanins against NAFLD and offered suggestions for developing functional foods containing these anthocyanins.Keywords:nonalcoholic fatty liver disease;purple corncob;peonidin-3-O-glucoside;lysosomal function;mitochondrion
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FOOD HYDROCOLLOIDS
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2022
·
IF 11.504
Lijia Li,Meng Zhang,Xumei Feng,Haodong Yang,Meili Shao,Yuyang Huang,Yang Li,Fei Teng
This study aimed to examine the effects of gelation on the stability and functionality of soybean lipophilic protein (LP)-stabilized W/O/W emulsions by gelating the internal and external aqueous phases separately. Xanthan gum , gum arabic , methylcellulose, and pectin were used to gel the internal/external aqueous phase of W/O/W emulsions. The measurements of particle size, zeta potential , emulsifying properties, interfacial tension, microstructure, physicochemical stability, and digestion characteristics revealed that the internal/external aqueous-phase gelation effectively reduced the interfacial tension of emulsions, the external aqueous-phase gelation improved the interfacial protein adsorption rate of emulsion (more than 78%), and the internal aqueous-phase gelation improved the encapsulation efficiency of emulsion (more than 90%) and internal aqueous-phase retention (more than 85%). Meanwhile, both gelation treatments improved the digestion performance of emulsions, achieved the sustained release of entrapped materials, and improved their bioavailability. Briefly, the internal/external aqueous-phase gelation enhances W/O/W emulsion stability. This study enriched the means to improve the stability of W/O/W emulsions, which benefited the application and innovation of W/O/W emulsions in food processing.
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Energy Storage Materials
·
2022
·
IF 20.831
Zenghui Bi,Hua Zhang,Xue Zhao,Yuwen Wang,Fang Tan,Songqing Chen,Ligang Feng,Yingtang Zhou,Xin Ma,Zhi Su,Xinzhong Wang,Thomas Wågberg,Guangzhi Hu
Inexpensive, high-activity bifunctional catalysts for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are imperative for the development of energy storage and conversion systems. A nitrogen-doped carbon material with a micro−meso−macroporous structure doped with La (LaPNC) containing La−O/N−C active sites is prepared using SiO 2 particle templating of carbon and a metal node exchange strategy. The coordination environment of La sites stabilized by two oxygen and four nitrogen atoms (LaO 2 N 4 ), is further verified by X-ray absorption spectroscopy. The ORR half-wave potential reaches 0.852 V, and the OER overpotential reaches 263 mV at 10 mA cm −2 . The Zn−air battery, with LaPNC as the air cathode, has a maximum power density of 202 mW cm −2 and achieves stable charge−discharge for at least 100 h without a significant increase or decrease in the charge or discharge voltages, respectively. Density functional theory calculations suggest that LaO 2 N 4 sites exhibit the lowest activation free energy and the most easily desorbed oxygen capacity. This study provides new insights into the design of efficient, durable bifunctional catalysts as alternatives to precious-metal-based catalysts.
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Journal of Materials Research and Technology-JMR&T
·
2022
·
IF 6.267
jialong Kang,Zhenyun Tian,Dapeng Zhong
The abundant metal Ti is a high-quality metal with lightweight, high strength, and corrosion resistance. However, due to its harsh preparation conditions, the price remains high, so titanium metal's simple and effective products have become a challenge for the world's scientific research community. In this paper, by calculating the oxygen potential of Ti–O, Ti–H, and Ti–H–O solid solutions, the oxygen potential of Ti–H–O was obtained when the oxygen content was 0.03 and 0.009. As H 2 enters the Ti–O lattice, the oxygen potential of the Ti–H–O system increases with the increase of H content. Thermodynamic calculations showed that introducing hydrogen effectively destroyed the stability of Ti–O solid solutions. At the same time, this paper uses a magnesiothermic as a reducing agent. To verify the feasibility of the above thermodynamics, reduce the spent V 2 O 5 –WO 3 /TiO 2 catalyst (Ti > 80 wt%) of titanium-rich materials in a hydrogen atmosphere. Finally, the spent V 2 O5–WO 3 /TiO 2 catalyst was reduced at 750 °C for 8–24 h to obtain TiH 2 powder with an oxygen content of 0.9 wt%.
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PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
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2022
·
IF 7.926
Haosheng Sun,Jun Qin,Ludong Yi,Yinghao Ruan,Jun Wang,Dawei Fang
Hydrodynamic cavitation (HC) is not only a promising wastewater treatment technology but also an efficient heat generation method. In this work, the HC degradation of several organic dyes was carried out and the related heat generation was studied. The effects of geometrical parameters (orifice angles (α = 0 ° and± 45 °) and orifice numbers (n = 3–9)) and experimental parameters (2.0–4.0 bar pressures, 30–60 °C temperatures and 5.0–15 mg/L concentrations) on Auramine O degradation and heat generation in orifice plate HC system are investigated. TOC analysis is performed to determine the mineralization degree of Auramine O solution. The generated intermediates are detected by LC-MS. In addition, the produced free radicals in HC process are identified by adding some trapping agents. The results showed that the HC technology has high mineralization and strong heat generation abilities in degradation processes of organic pollutants . For 6-orifice plate, 4.0 bar pressure, 5.0 L solution volume and 10 mg/L concentration, 81.39% degradation ratio of AO was achieved at 90 min cycle moment. And that, 1082.52 kJ heat energy with 40.09% thermal efficiency was obtained during 30 min cycle time. Perhaps, this work may provide a new strategy for simultaneous large-scale organic wastewater treatment and effective heat production recycle.
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Advanced Sustainable Systems
·
2022
·Vol. 6
·期 5
·2100436
·
IF 6.737
Xiaolin Ren,Yuchen Tian,Firdoz Shaik,Jine Yang,Rong Liu,Kaiming Guo,Bin Jiang
Iron group metal phosphides (IMPs) are one of the most promising substitutes for non-noble electrocatalysts in overall water splitting. In this work, an electrocatalyst system consisting of different vertically aligned heteroatom-doped graphene arrays (X-rGO, X = N, P, B, O, S) integrated with FeCoNiP nanoparticles (FeCoNiP@X-rGO, X = N, P, B, O, S) is prepared for overall water splitting. The unique vertical structure and the synergistic effect between the P in P-rGO and the P in FeCoNiP leads to the excellent electrocatalytic performance of FeCoNiP@P-rGO by exhibiting low overpotentials (121 and 216 mV) at a current density of 10 mA cm −2 for hydrogen evolution reaction in 1 m KOH and 0.5 m H 2 SO 4 , respectively. As well as a low overpotential (354 mV) at a current density of 10 mA cm −2 for the oxygen evolution reaction in 1.0 m KOH. The FeCoNiP@P-rGO electrocatalyst exhibits an outstanding durability toward overall water splitting in alkaline electrolytes, and excellent Faraday efficiency (about 92%) as well. This work provides an insight in proper tuning and the development of appropriate substrates for IMPs and other transition metal compounds toward cost-effective and high efficiency electrocatalysts for water splitting reactions.
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