Nature Communications
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2025
·
IF 15.7
Li Zhe,Yuan Jianyang,Wu Zhongbiao,Wu Xuanhao
Electrocatalytic N 2 O reduction reaction offers a sustainable solution of converting greenhouse gas N 2 O to N 2 under ambient conditions, but achieving high single-pass conversion remains challenging. Here, we present a gas-diffusion-electrolyzer system with copper-silver bimetallic nanoalloy serving as the catalyst for efficient N 2 O reduction, realizing a single-pass conversion rate of 79.4% and a decomposition rate of 1381.7 μmol h −1 mg cat −1 for 10 vol.% N 2 O. Computational fluid dynamics simulation shows that the system optimizes gas flow regime and reduces diffusion distance compared to batch system, ensuring a uniform N 2 O distribution over cathode surface. The combination of Ag with Cu synergistically facilitates the adsorption, hydrogenation, and cleavage of the N–O bond in N 2 O. Techno-economic assessment indicates the levelized N 2 O decomposition cost varies between 1.66−2.14 US$ kg −1 . Our findings underscore the substantial potential and practical viability of electrocatalytic N 2 O decomposition.
研究领域:
电化学
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环境催化
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可持续能源
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温室气体减排
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材料科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
·
2025
·
IF 3.9
Chuanruo Yang,Lei Hong,Fan Nie,Wenyuan Qiao,Xiangyu Cui,Taotao Gao,Lin Huang,Ming Xue,Changhui Liu
Waste plastics create environmental burdens due to their persistence, while greenhouse gas emissions exacerbate global warming. This study presents a method to convert waste plastics into nitrogen-doped hyper-cross-linked polystyrene porous polymers. The resulting material exhibited a high specific surface area of 1063.30 m2/g and adsorption capacities of 1.81 mmol/g for CO2 and 2.95 mmol/g for CH4. This work demonstrates aniline’s potential for covalent nitrogen doping to enhance adsorption capacity, providing insights for optimizing greenhouse gas capture and advancing “waste-to-treat-waste” strategies.
研究领域:
环境科学
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材料化学
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聚合物化学
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碳捕集与封存
✓ 已验证
产品关联
DOI
高影响因子
SENSORS AND ACTUATORS B-CHEMICAL
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2025
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IF 7.7
Mingyang Gao,Wen Zhang,Jun Guo,Licun Fu
Gas sensors integrated with intelligent systems are of great importance for real-time environmental monitoring and personal exposure assessment. In particular, nitrogen dioxide (NO 2 ), a toxic byproduct of combustion and industrial processes, poses severe risks to human health even at trace levels, highlighting the urgent need for sensitive and portable monitoring technologies. Here, we present a tungsten trioxide (WO 3 )/carbon nanotubes (CNTs)-based flexible sensor coupled with an Integrated Intelligent Sensing System (IISS) capable of on-site NO 2 detection, signal processing, and wireless mobile display. The optimized WO 3 /CNTs sensor exhibits outstanding sensing performance, delivering a high response of 425.1 % toward 1 ppm NO 2 . Distinctively, by integrating the sensor into the IISS platform, real-time NO 2 concentrations can be acquired, processed, and displayed on a mobile device, enabling direct and user-friendly exposure monitoring. These results highlight the novelty of combining a high-performance WO 3 /CNTs sensor with a miniaturized IISS, offering a practical strategy for intelligent, wearable, and portable gas detection applications.
研究领域:
环境健康监测
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生物医学工程
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纳米生物技术
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可穿戴设备
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转化医学
✓ 已验证
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
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2025
·Vol. 36
·期 25
·1-13
·
IF 2.8
Zhang Yuexing,Feng Wenlin,Ullah Arif
To address the need for high-sensitivity carbon monoxide (CO) gas sensing at room temperature, a CO gas sensor based on Au-modified tin oxide/zinc oxide (SnO₂/ZnO) nanocomposites is fabricated. SnO₂ nanoparticles, ZnO nanosheets, and Au nanoparticles (AuNPs) were synthesized using sacrificial template, hydrothermal, and chemical reduction methods, respectively. The resulting nanocomposite was then drop-casted onto interdigitated electrodes and dried to obtain the CO gas sensor. The performance of the sensor was evaluated using a custom airtight chamber and a semiconductor parameter analyzer. The n–n heterojunction between SnO₂ and ZnO significantly increased oxygen vacancy in the composite material, enhancing surface chemisorption of oxygen. Moreover, the catalytic sensitization effect of AuNPs facilitated electron migration, while their inherent spillover effect promoted the activation of gas molecule interactions. Consequently, the sensor exhibited a high response (22.11%) to 70 ppm CO at room temperature, along with excellent stability, selectivity, and anti-interference capabilities. This work offers a promising approach for developing highly sensitive room-temperature gas sensors.
研究领域:
材料科学
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纳米技术
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传感器学
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表面化学
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半导体物理
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产品关联
DOI
高影响因子
International Journal of Minerals Metallurgy and Materials
·
2025
·Vol. 32
·期 6
·1461-1470
·
IF 7.2
Ahmad Touqeer,Zhu Zhengxin,Sajid Muhammad,Wang Weiping,Ma Yirui,Ali Mohsin,Khan Nawab Ali,Liu Shuang,Zhang Zuodong,Chen Wei
Along with the surging demand for energy storage devices, the cost and availability of the materials remain dominant factors in slowing down their industrial application. The repurposing of waste asphalt into high-performance electrode materials is of significant interest, as it holds the potential to circumvent energy and environmental issues. Here, we report the controllable synthesis of asphalt-derived mesoporous carbon as an active material for electrocatalytic hydrogen gas capacitor (EHGC). The hierarchically porous carbon (HPC) with a high surface area of 1943.4 m 2 ·g −1 can operate in pH universal aqueous electrolytes in EHGC. It displays a specific energy and power density of 57 Wh·kg −1 and 554 W·kg −1 in neutral electrolyte as well as 52 Wh·kg −1 and 657 W·kg −1 in acidic electrolyte. Additionally, the charge storage mechanism of HPC–EHGC is studied with the help of Raman spectroscopy and X-ray photoelectron spectroscopy. Furthermore, the assembled HPC–EHGC device displays a discharge capacitance of 170 F·g −1 with an excellent capacitance retention rate of 100% up to 20000 cycles at 10 A·g −1 in acidic electrolyte. This work introduces a novel approach to converting waste asphalt into high-performance carbon for EHGC, achieving superior performance over commercial materials. By simultaneously addressing environmental waste issues and advancing energy storage technology, this study makes a significant contribution to sustainable materials science and next-generation battery development.
研究领域:
能源存储
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材料科学
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环境科学
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电化学
✓ 已验证
产品关联
DOI
高影响因子
BIOMACROMOLECULES
·
2025
·
IF 5.4
Hao Liao,Yuyue Xiong,Jinghang Li,Dongdong Wang,Jinglong Yang,Dong Xie,Lesan Yan
Sonodynamic therapy (SDT) emerges as a promising noninvasive modality for deep tumors but is hindered by the hypoxic tumor microenvironment and glutathione (GSH)-mediated reactive oxygen species (ROS) scavenging. Herein, we report a GSH-responsive nanoplatform fabricated from an mPEG-b-PMNC copolymer, enabling spatiotemporal codelivery of nitric oxide (NO) donors and the sonosensitizer chlorin e6 (Ce6) via self-assembled micelles. Upon exposure to elevated intracellular GSH, the micelles disintegrate to release NO and Ce6 selectively. The released NO attenuates hypoxia through downregulation of hypoxia-inducible factor-1α (HIF-1α) and synergizes with ultrasound-triggered Ce6-generated ROS to yield highly cytotoxic peroxynitrite (ONOO–). This integrated synergy substantially potentiates SDT outcomes, as evidenced by an IC50 of 1.935 μg/mL for mPEG-b-PMNC@Ce6 micelles under ultrasound, outperforming free Ce6 (4.808 μg/mL) and control mPEG-b-PCL@Ce6 (2.736 μg/mL). This polycarbonate-based strategy provides a novel approach for synergistic gas-sonosensitizer delivery, overcoming key limitations of conventional SDT for treating hypoxic tumors.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF MEMBRANE SCIENCE
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2025
·
IF 9
Ju Bai,Luqi Xiao,Hongyan Liu,Can Wang,Tianliang Han,Lili Gong,Shuangjiang Luo,Hongwei Fan,Linglong Shan
Mixed matrix membranes (MMMs) are emerging as a competitive option in gas separation owing to their ability to mitigate the trade-off. Metal-organic polyhedra (MOPs) are a family of self-assembled structures consisting of metal ions and ligands, which are nanoscale cage-like molecules with independent units and excellent dispersion properties, while maintaining the similar pore structure of metal-organic frameworks (MOFs). Herein, Zr-MOP was incorporated as a filler in polybenzimidazole (OPBI) to achieve a high MOP loading of 50 wt%. The membrane with highly dispersed MOPs effectively prevents the excessive collaps of OPBI under the thermal treatment at 600 °C. The synergistic combination of Zr-MOP and OPBI yields perfectly dense, defect-free membranes with uniform pores and superior gas molecular selectivity. The optimal Zr-MOP 50 wt% @OPBI 600 membrane exhibited a remarkable He/CH 4 selectivity of 785, which is 4 times higher than the pristine OPBI membrane, alongside a high He permeability of 147 Barrer. Furthermore, the membrane demonstrated excellent high-pressure stability and long-term durability.
✓ 已验证
产品关联
DOI
高影响因子
PETROLEUM SCIENCE AND TECHNOLOGY
·
2025
·
IF 1.4
Xia Zhong,Zihong Dong,Changsong Liu,Xin Pei,Hao Shi,Hua Dong
In sour gas reservoirs exploitation, liquid sulfur deposited in the formation could block natural gas passage channels, severely reducing gas field production. To address this problem, we successfully regulate the wettability of liquid sulfur on rock surfaces by modifying them with alkoxysilanes. It is found that enhancing the sulfophobicity of the rock surface significantly reduces the difficulty of gas-phase breakthrough of channel blockage caused by liquid sulfur deposition. During the simulated gas flooding process, the liquid sulfur recovery rate in neutral and sulfophobic rocks is increased by 48.3% and 124.4%, respectively, compared with untreated natural sulfophilic rocks, resulting in 29.3% and 50.0% increase in porosity of the rocks after flooding, respectively. These results indicate that the modified rock surface, especially sulfophobic rock surface, could effectively alleviate the blockage of gas production channels caused by liquid sulfur deposition. Mechanisms revealed by visualized experimental results show that in gas flooding in more sulfophobic cores, the swept area of gas phase is larger and the amount of residual sulfur in the swept area is less, so the sulfur recovery rate is higher than untreated sulfophilic rock, and the blockage caused by liquid sulfur in the cores could be effectively reduced.
研究领域:
石油工程
·
材料科学
✓ 已验证
产品关联
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2026
·
IF 5.4
Haifeng Wang,Zhengsong Hu,Jie Xu,Chaoyang Li,Aokun Lin,Kunkun Zhu,Li Yu,Guanxiang Ma,Yuwen Liu,Haifeng Bao
Capturing gas bubbles in liquid is vital for the gas-liquid-solid (GLS) three-phase reactions due to the limited gas solubility. Constructing the special porous skeleton for bubble accommodation opens an opportunity to drag bubbles in liquid. Herein, mm-sized Pd-anchored cellulose/agarose (PCA) spheres with a highly porous architecture have been fabricated using a liquid nitrogen-freezing method. PCA particles could act as gas carrier to accommodate a variety of gas bubbles in liquid, including H 2 , O 2 , air, and CO 2 via an in-situ nucleation route. Moreover, these PCA beads enabled efficient multiphase catalysis as demonstrated by cascade reduction of a series of substances, such as aldehydes, nitroarenes, and alkenes. Their catalytic activities remarkably surpassed Pd-deposited solid glass spheres (PG) and sole Pd nanoparticles, manifesting the important role of their porous texture in gas harvesting and storage. A gas (H 2 ) utilization of 98.0 % was attained for multiphase reaction over PCA beads. During multiphase reaction process, a controllable motion of PCA spheres was achieved via gas reservation or consumption. This work provides a profound inspiration for bubble arresting and stabilization toward regulable movement and multiphase processes.
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产品关联
DOI
高影响因子
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
·
2026
·Vol. 40
·期 7
·e70035
·
IF 1.7
Qingqin Liu,Xiaobao Lv,Chaojun Li,Ping Xing,Lin Ling,Hao-Yang Wang
Rationale Many perfluoroalkyl and polyfluoroalkyl sulfonic/sulfinic acids and their derivatives are classified as perfluoroalkyl and polyfluoroalkyl substances (PFASs). The use of mass spectrometry techniques to analyze these compounds has attracted considerable research attention. Methods In this article, we employed high-resolution electrospray ionization tandem mass spectrometry (HR-ESI-MS/MS) and all-ion fragmentation (AIF) in negative ion mode to investigate gas-phase F-atom migration reactions of various perfluoroalkyl and polyfluoroalkyl sulfonic/sulfinic anions, particularly those yielding FSO 3 − or FSO 2 − . Results HR-ESI-MS/MS of CF 3 SO 3 − yielded an unexpected product ion FSO 3 − , representing a distinct pathway of gas-phase F-atom migration from C-atom to S-atom accompanied by the loss of CF 2 . Similarly, HR-ESI-MS/MS of CF 3 SO 2 − produced a dominant product ion FSO 2 − also via CF 2 elimination. Complementary ESI-MS/MS and AIF experiments on these anions confirmed that FSO 2 − and/or FSO 3 − are their characteristic fragmentation ions. Conclusion Theoretical calculations of gas-phase reactions CF 3 SO 3 − → FSO 3 − + CF 2 and CF 3 SO 2 − → FSO 2 − + CF 2 were performed to investigate the possible F-atom migration mechanisms. These results show that FSO 3 − at m/z 99 and/or FSO 2 − at m/z 83 could serve as diagnostic ions for structural elucidation of perfluoroalkyl and polyfluoroalkyl sulfonic/sulfinic acids and their derivatives in non-target PFASs analyses by using mass spectrometry.
✓ 已验证
DOI
PubMed
高影响因子
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
·
2017
·Vol. 33
·期 1
·24-30
·
IF 1.024
Li Lang,Xie Shengming,Zhang Junhui,Chen Ling,Zhu Pengjing,Yuan Liming
Homochiral metal-organic frameworks(HMOFs) have special properties, such as high surface area, fasci-nating structures and excellent chemical and thermal stability and they have broad application prospects. In this work, we reported the use of HMOF Co- L -GG( L -GG, dipeptide H-Gly- L -Glu) as the stationary phase for separating race-mates in gas chromatography. Co- L -GG coated fused silica capillary column(10 m×250 μm i.d.) was prepared via a dynamic coating method. Thirty racemates belonging to different classes of organic compounds were resolved in-cluding halohydrocarbons, ketones, esters, ethers, organic acids, epoxyalkanes, alcohols and sulfoxides. When com-pared with the previously reported chiral MOFs-coated capillary columns, the Co- L -GG coated column exhibited broader chiral resolution ability towards chiral compounds.
研究领域:
分析化学
·
材料科学
·
色谱技术
·
金属有机框架材料
✓ 已验证
DOI
高影响因子
Canadian Journal of Chemistry
·
2024
·Vol. 102
·期 9
·
IF 1.1
Yuanyuan Zhang,Mengyi Ba,Wen Li,Yanli Song,Xiang Xu,Haixin Liu,Wenxuan Zhao,Tao Sun,Zhiqiang Cai
Herein, we synthesized and used a novel pillar[5]arene with two functionalizable rims (AP5A-C10-OAc) as stationary phase in gas chromatography (GC). The AP5A-C10-OAc column (0.25 mm, i.d.) showed a high column efficiency of 4107 plates/m and medium polarity. The AP5A-C10-OAc stationary phase possesses unique amphiphilic structure, including a π-electron rich cavity and two functionalized arms composed of five nonpolar alkyl chains and five polar ester chains, and showed good separation performance for diverse types of analytes and isomers (apolar/polar, aliphatic/aromatic). Particularly, the AP5A-C10-OAc phase showed high selectivity for the challenging isomers of chloronitrobenzenes, bromonitrobenzenes, benzenediols, and iodoanilines with distinct advantages if compared with the commercial polysiloxane column.
研究领域:
分析化学
·
色谱科学
✓ 已验证
DOI
高影响因子
危险品化学品经营许可证（带存储）