JOURNAL OF ALLOYS AND COMPOUNDS
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2024
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IF 5.8
Yuting Li,Jiaming Song,Juanjuan Yang,Zhuo Wang,Guoshuai Ban,Huaxiong Gao,Honggang Ye,Feng Teng,Xin Zhao
As a sustainable technology that can be utilized for degrading organic pollutants, photocatalysis becomes more and more important in the environment pollution control. One crucial factor that influences the degradation process is the design of photocatalyst. In this study, we utilized a simple hydrothermal method, liquid exfoliation and mechanical mixture to synthesize a novel S-scheme heterojunction based on BiPO 4 /CdPSe 3 . It was found that the optimal molar ratio BiPO 4 : CdPSe 3 = 2: 1 (noted as B 2 C) gave rise to an efficient removal of rhodamine B up to 97.5 % after 30 min dark reaction and 60 min light exposure. This composite also possesses the degradation capacity for other antibiotics and inorganic pollutant. The capture experiments showed that superoxide radicals played the dominant role in the degradation process. Besides, hydroxyl radicals and holes were also important active species. The high photocatalytic degradation performance of B 2 C could be attributed to the increased specific surface area with more active sites, enhanced light absorption in the visible region, and, more importantly, the special S-scheme heterostructure for high photogenerated charge carrier separation, synergistically improved the photocatalyst degradation efficiency. This work provides a new perspective for designing high-efficient photocatalysts applicable in multiple organic and inorganic pollutants degradation.
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TOXICOLOGY
·
2025
·
IF 4.6
Hua Zhang,Fei Lin,Bo-Han Lin,Xiong-Lin Sun,Qing-Shui Zheng,Rui Gao,Yong Wei,Shao-Hao Chen,Xue-Yi Xue
Bisphenol S (BPS) is widely used in the production of food containers and children's toys and is known to have endocrine-disrupting effects linked to various cancers; however, its role in renal cell carcinoma (RCC) development remains unclear. This study investigates the mechanisms by which BPS may promote RCC progression. The effects of BPS on proliferation and migration were evaluated in HK-2 and 786-O cells using CCK-8, scratch, and Transwell assays. A LASSO regression model and functional analysis were employed to identify candidate genes involved in BPS-related renal cancer progression and to construct a prognostic model, which was validated using Kaplan-Meier and ROC curves. Additionally, the impact of BPS on epithelial-mesenchymal transition (EMT)-related markers was examined. Results showed that BPS did not significantly affect the proliferation of HK-2 and 786-O cells at concentrations of 0-10 μM but significantly enhanced cell migration and invasion, inducing EMT. The LASSO model identified nine key genes associated with BPS-related renal cancer progression, with WNT5A expression positively correlated with BPS concentration. Knockdown of WNT5A significantly inhibited BPS-induced migration of HK-2 and 786-O cells and disrupted the EMT process. These findings demonstrate that BPS promotes HK-2 and 786-O cell migration through the WNT5A-dependent EMT pathway, and inhibition of WNT5A expression can suppress this process. This study provides novel insights into the role of BPS in renal cancer progression and highlights potential therapeutic targets for RCC.
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DYES AND PIGMENTS
·
2024
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IF 4.1
Xiaochen Zhu,Haiyan Qi,Tao Jing,Jun Li,Ming Zhao,Jiayu Zhang,Chao Luo,Maoxia Ran
4-Hydroxybenzoic acid is one of the important metabolism biochemical markers of the urine in gastric cancer patients. In this work, a fluorescence sensor based on N,S-doped carbon dots conjugated molecular imprinting polymers (N,S-CDs@SiO 2 @MIPs) was prepared to detect4-hydroxybenzoic acid. The novel fluorescence sensor in response to 4-hydroxybenzoic acid ranged from 0 to 100 μmol/L, with a detection limit of 1.27 μmol/L. Furthermore, 4-hydroxybenzoic acid demonstrated strong fluorescence quenching capability on our fluorescence sensor, with the fluorescence quenching mechanism involving a combined effects of dynamic quenching and electron transfer. Lastly, the N,S-CDs@SiO 2 @MIPs were applied to analyze 4-hydroxybenzoic acid inhuman urine samples with high accuracy. The findings showed that N,S-CDs@SiO 2 @MIPs sensor might have high potential for effectively, selectively, accurately diagnosing gastric cancer patients.
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JOURNAL OF ALLOYS AND COMPOUNDS
·
2025
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IF 6.3
Xiaodong Li,Lina Zhang,Yuxin Tian,Xiaotong Yin,Shi Su,Boxin Li,Wei Zhang
Composite photocatalyst have garnered considerable attention in the field of environmental remediation. In this study, we synthesized a one-dimensional (1D) core/shell AgVO 3 @SnIn 4 S 8 (AS) heterojunction photocatalyst by in situ growing SnIn 4 S 8 nanosheets on AgVO 3 nanorods utilizing a straightforward solvothermal approach. The resultant AS composite demonstrates exceptional photocatalytic efficiency in both degrading methyl orange (MO) and reducing Cr(VI) pollutants. The optimized AS-0.1 heterostructure is particularly noteworthy, achieving almost complete MO degradation (99.7 %) within just 15 min and effectively reducing Cr(VI) 99.4 % within 75 min. The reaction rate constant k for MO degradation by the AS-0.1 sample is 0.3654 min⁻¹ , which is 8.2 times higher than that of SnIn₄S₈ (0.0446 min⁻¹) and 609 times greater than that of AgVO₃ (0.0006 min⁻¹). Similarly, the degradation constant k for Cr(VI) reduction by AS-0.1 is 0.0656 min⁻¹ , surpassing that of SnIn₄S₈ by 5.2 times (0.0127 min⁻¹) and AgVO₃ (0.0003 min⁻¹) by 218.7 times. This significant enhancement in photocatalytic activity is primarily attributed to the increased number of active sites and the efficient S-scheme charge transfer mechanism, which is facilitated by the built-in electric field within the AS heterostructure. The S-scheme mechanism facilitates the efficient migration of photogenerated charge, and endows photoexcited electrons and holes with high redox capacity, thereby accelerating the photocatalytic reactions. Furthermore, the recovered samples retain their photocatalytic degradation performance after five consecutive experimental cycles, suggesting their excellent durability. This study is expected to motivate the rational design and fabrication of efficient composite photocatalysts, offering innovative solutions to water pollution challenges.
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MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
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2024
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IF 4.2
Min Yuan,Ke Huang,Dongqing Dai,Hongfei Yin,Wei Zhao,Yixin Jiang,Yahui Feng
The integration of heterogeneous photocatalysts has emerged as a promising approach to boost the effectiveness of photocatalytic reactions for hydrogen evolution. In this study, we explore the synergistic effects of Ti 3+ -TiO 2 /P-doped g-C 3 N 4 heterojunctions on the enhancement of visible light-induced hydrogen generation efficiency. The photocatalytic hydrogen evolution performance of the as-prepared TPCN100 (280.38 μmol g −1 h −1 ) surpasses that of pristine P-doped g-C 3 N 4 (34.89 μmol g −1 h −1 ) and Ti 3+ -TiO 2 (39.71 μmol g −1 h −1 ) by factors of 8.0 and 7.1 respectively. Through a comprehensive investigation of the structural, electronic, and photocatalytic properties, the underlying mechanisms accountable for the observed enhancement in efficiency within the heterojunction system were elucidated. Based on the in-situ X-ray photoelectron spectrometer (XPS) examination, measurement of band edge, and electron paramagnetic resonance (EPR) analysis, the S-scheme photocatalytic mechanism was proposed. The integration of Ti 3+ -TiO 2 and P-doped g-C 3 N 4 offers new insights into the design of advanced photocatalytic materials for sustainable energy applications.
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CHEMICAL ENGINEERING JOURNAL
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2025
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IF 13.2
Ting Pan,Danni Wang,Yanyu Song,Yongdi Liu,Long D. Nghiem,Jun Duan,Chengdan Che,Xianbo Sun,Zhengqing Cai
This study synthesized MnFe 2 O 4 @S-ZnO with varying S-ZnO loading and investigated their catalytic activity towards Fenton degradation of norfloxacin (NOF). The MnFe 2 O 4 @S-ZnO/H 2 O 2 system achieved 98.3 % of NOF removal within 60 min, with the catalytic activity enhanced by 1.8 times compared to MnFe 2 O 4 . XPS results indicated that Mn and Fe are the active catalytic sites. The doping of S elements accelerated the reduction rates of Fe 3+ and Mn 3+ , thereby improving the utilization efficiency of H 2 O 2 and generating more •OH radicals. The Lewis acidic sites on the surface of MnFe 2 O 4 @S-ZnO coordinated with and reduced the concentration of OH − in the suspension, thereby increasing the acidity of theMnFe 2 O 4 catalyst surface, expanding the pH range of the Fenton reaction to alkaline conditions, allowing the composite material to maintain a NOF removal efficiency of over 90.0 % at even high pH (9.0–10.0). The presence of inorganic anions and humic acid (HA) played negative roles on the NOF degradation, but the MnFe 2 O 4 @S-ZnO/H 2 O 2 system can still achieve a minimum NOF degradation of 62.8 % within 60 min. Moreover, the MnFe 2 O 4 @S-ZnO catalyst exhibited relatively high stability and possessed easy recoverability. Furthermore, this catalyst overcomes the pH limitations of the traditional Fenton reaction, demonstrating significant advantages and promising application prospects.
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Journal of Water Process Engineering
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2024
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IF 6.3
Chuangbin Hong,Jiehang Zhou,Wenguang Wang,Liangpeng Wu,Shimin Long,Wentao Zhou,Yuxi Guo
Catalytic activation of peroxymonosulfate (PMS) is one of the important research areas in the development of advanced oxidation technology for wastewater treatment. At present, the development of high-performance catalysts for PMS activation has become a research hotspot. Herein, (Cu + decorated g-C 3 N 4 )/Bi 2 WO 6 ((Cu + /g-C 3 N 4 )/Bi 2 WO 6 ) composite was prepared successively by calcination and solvothermal method, which was used in visible light-assisted PMS activation for the degradation of rhodamine B (RhB). The construction of S-scheme heterojunctions between Cu + decorated g-C 3 N 4 and Bi 2 WO 6 facilitated the activation of PMS, leading to a RhB degradation ratio of 98.46 % within 50 min. The corresponding reaction kinetic was significantly improved by a factor of 2.32 and 7.94 compared with that of CCN and BWO, respectively. The enhanced performance of the (Cu + /g-C 3 N 4 )/Bi 2 WO 6 can be attributed to the successful construction of S-scheme heterojunction, which facilitates the separation of photogenerated carriers and accelerates the PMS activation to produce abundant active species. Furthermore, the (Cu + /g-C 3 N 4 )/Bi 2 WO 6 composites exhibit strong stability and reusability following three cycles. In addition, the intermediates produced during the RhB degradation process were investigated by liquid chromatograph mass spectrometer (LC-MS). This study provides a new insight into the preparation of S-scheme photocatalysts for the photocatalytic-PMS activation system that will achieve efficient removal of dyes from wastewater.
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JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
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2024
·
IF 11.2
Shuang Zhou,Da Wen,Wei Zhong,Jianjun Zhang,Yaorong Su,Aiyun Meng
The effective adsorption of oxygen (O 2 ) molecules over photocatalysts is a critical step in promoting the performance of photocatalytic H 2 O 2 production. However, g-C 3 N 4 usually features a Yeager-type (side-on) adsorption configuration of O 2 molecules, which causes the breaking of O–O bonds and severely hinders the H 2 O 2 production activity. Herein, we synthesized an oxygen-vacancy-rich TiO 2– x /g-C 3 N 4 step-scheme (S-scheme) heterojunction to regulate the oxygen adsorption configuration and improve the 2e – ORR selectivity of H 2 O 2 production. In-situ X-ray photoelectron spectroscopy (in-situ XPS) and density functional theory (DFT) calculations reveal that the S-scheme heterojunction is formed between TiO 2– x and g-C 3 N 4 . The difference between their Fermi levels leads to the electron flow from g-C 3 N 4 to TiO 2– x , which increases the electron-deficient sites in g-C 3 N 4 . As a result, the cleavage of O–O bonds on the surface of g-C 3 N 4 is avoided and the oxygen adsorption configuration is tuned from Yeager-type to Pauling-type (end-on). Consequently, the photocatalytic H 2 O 2 production rate is dramatically improved to 1780.3 μmol h –1 , which is about 5 times higher than that of pristine g-C 3 N 4 . This work paves a new way to tailor the oxygen adsorption configuration by rationally designing S-scheme heterojunction photocatalysts.
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CARBOHYDRATE RESEARCH
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2024
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IF 2.4
Lin Wang,Yu Pang,Zhongwen Su,Meihua Xin,Mingchun Li,Yangfan Mao
N -(sodium 2-hydroxypropylsulfonate) chitosan (HSCS), N -sulfonate chitosan (SCS) and N -isonicotinic sulfonate chitosan (ISCS) were prepared. The structures of the prepared chitosan derivatives were characterized by nuclear magnetic resonance ( 1 H NMR) spectroscopy, Fourier transform infrared (FTIR) spectroscopy, ultraviolet–visible (UV–vis) spectroscopy and elemental analysis (EA). Antibacterial and antibiofilm activities of these chitosan derivatives were evaluated in vitro . The minimum inhibitory concentration (MIC) of HSCS and SCS against Escherichia coli ( E. coli ) and Staphylococcus aureus ( S. aureus ) were 0.625 mg/mL and 0.156 mg/mL, respectively. ISCS exhibited MIC values of 0.313 mg/mL and 0.078 mg/mL against E. coli and S. aureus , respectively. ISCS demonstrated superior antibacterial and antibiofilm properties compared to SCS and HSCS. These findings suggest that the incorporation of a pyridine structure into sulfonate chitosan enhances its antibacterial and antibiofilm activities, and the prepared ISCS has a promising application prospect for controlling the reproduction of microorganisms in the field of food packaging.
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APPLIED SURFACE SCIENCE
·
2024
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IF 6.3
Liyuan Fan,Shaobin Wen,Bin Peng,Mengshi Chen,Yanqiu Wang,Qiang Zhang
Membrane fouling remains a persistent and arduous challenge in the industrial treatment of different surfactants-stabilized oily wastewater. Constructing a robust antifouling and sustainable hydration coating on the membrane surface to efficiently repel oils or surfactants is a critical requirement. Herein, cyclodextrin-based poly(ionic liquid)s (PILs) coatings are cross-linked via the co-deposition on poly(vinylidene fluoride) (PVDF) of quaternized heptkis(6-deoxy-6-vinylimidazolium)-β-cyclodextrin (CD-Vi) derivatives as skeleton and acrylic acid (AA) monomers, and following one-step free radical photopolymerization. Combining with the strong hydration of the CD-based PILs coating, the resultant membrane exhibits fabulous superhydrophilicity and underwater superoleophobicity, oil repulsion, and self-cleaning capability. It demonstrates robust mechanical durability and chemical stability in harsh environments without losing its superhydrophilicity. Besides, the PIL-CD/AA coating can separate various surfactant-free and different surfactants (cationic CTAB, anionic SDS, and nonionic TWEEN 80) stabilized oil / water emulsions. During the long-term cycle operations, it also realizes stable recyclability with a series of permeation fluxes as high as removal efficiencies (>99.6 %) after 20 cycles for surfactant-free cyclohexane-in-water emulsion and 10 cycles for CTAB-stabilized isooctane-in-water emulsion.
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INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
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2024
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IF 8.1
Junxi Long,Jinghao Zhang,Lingfeng Li,Yanxuan Wen,Xuetang Xu,Fan Wang
Nickel-iron hydroxides have been considered as a popular cost-effective catalyst toward the oxygen evolution reaction (OER). However, the extensive utilization of nickel-iron hydroxide electrocatalysts still suffer from the limited electrical conductivity. Anionic doping has demonstrated its beneficial impact in stabilizing the lamellar structures, and enhancing the conductivity of NiFe layered double hydroxide (NiFe-LDH) for OER. In this work, sulfur-doped NiFe-LDH nanoparticles with high surface area and porous structure were effectively synthesized through low-temperature co-precipitation and subsequent solid-phase sulfurization. Moreover, sulfur doping activated the formation of oxygen vacancies, thereby enhancing the conductivity. S-doped NiFe-LDH catalysts exhibited high electrocatalytic performance toward oxygen evolution reaction, displaying the overpotentials of 220 mV and 284 mV at 10 mA cm −2 and 100 mA cm −2 , respectively, lower than those of NiFe-LDH precursors and commercial RuO 2 . Moreover, the catalysts exhibited superior performance at large current density by delivering low overpotentials and good durability when used Ni foam as substrate. This work clarifies the advantage of low-temperature co-precipitation strategy and solid-phase sulfurization in constructing the porous electrocatalysts, which may represent a promising strategy for designing highly active hydroxide catalysts.
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Nature Communications
·
2025
·Vol. 16
·期 1
·1-15
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IF 15.7
Bai Ruilin,Yao Yu,Lin Qiaosong,Wu Lize,Li Zhen,Wang Huijuan,Ma Mingze,Mu Di,Hu Lingxiang,Yang Hai,Li Weihan,Zhu Shaolong,Wu Xiaojun,Rui Xianhong,Yu Yan
Employing appropriate single-atom (SA) catalysts in room-temperature sodium-sulfur (Na-S) batteries is propitious to promote the performance, whereas a universal designing strategy for the highly-efficient single-atom catalysts is absent. In this work, we adopt natural language processing techniques to screen the potential single-atom catalysts, then a binary descriptor is constructed to optimize the catalyst candidates. Atomically dispersed cobalt anchored to both nitrogen and sulfur atoms (SA Co-N/S) is selected as an ideal catalyst to significantly facilitate sulfur reduction reaction. The sulfur cathode catalyzed with SA Co-N/S almost realizes complete transformation, and the corresponding pouch cell exhibits satisfactory performance with high mass loading. In-situ X-ray absorption spectroscopy reveals the dynamical interactions between SA Co-N/S and sulfur species in the sulfur reduction reaction. Our work provides a method to select the preferable SA catalyst and to understand the interfacial catalysis dynamics in the sustainable Na-S systems.
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