ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
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2025
·Vol. 47
·期 11
·1-13
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IF 3.8
Ji Runlai,Chen Wenming,Zuo Yanjun,Xin Yi,Zhang Jingjing,Wang Haibo,Kong Lingce,Wu Yufeng
Advanced oxidation processes (AOPs) utilizing sodium persulfate (PDS) have garnered significant attention in recent years. In this study, acetylguanidine (ACG) was discovered to effectively activate PDS for organic contaminants degradation. The system achieved a degradation rate of 98.5% for aniline in wastewater within 50 min and 95.0% for aniline in soil within 3 h. The reaction system showed remarkable resilience, with only a minimal impact from common inorganic ions and organic compounds. The ACG/PDS system displayed robust and efficient performance across a broad pH range of 7.5–12.5. ACG-activated PDS system also demonstrated significantly superior performance in soil remediation compared to humic acid and WQ-8476. EPR and scavenging experiments revealed that ·OH were the dominant active species in the ACG/PDS system. Degradation pathways were proposed based on the degradation products identified through GC–MS analysis. This research provides valuable insights into the practical application of ACG/PDS system for industrial wastewater treatment and soil remediation. Graphical abstract
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Nature Communications
·
2025
·Vol. 16
·期 1
·1-12
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IF 15.7
Ma Ruiyu,Jia Lichuan,Guo Zhiguang,Lin Jie,Liu Mengxin,Wang Zhixing,Song Guilin,Yan Dingxiang,Li Zhongming
Producing high-concentration liquid metal (LM) inks is highly desirable for next-generation flexible electronics, and yet remains a dulling challenging due to the large surface tension and high density of LM droplets. Herein, a general finite-gel strategy is proposed to enable the fabrication of high-concentration liquid metal (LM) inks. In the LM-based inks, the LM droplets are confined in the relaxed finite-gel networks, which provide strong repulsive effects to avoid the reunition of the adjacent LM droplets. The unique structure imparts the LM-based inks with a good colloidal stability even at a very high LM concentration of 30,000.0 g/L. The LM-based inks also present tunable rheological behavior and are suitable for various processing technologies. Moreover, the proposed finite-gel strategy is scalable, and could be expanded to various cryogel systems (e.g., curdlan, gelatin, and gellan gum). This work takes a crucial step forward to producing highly concentrated LM-based inks for flexible electronics.
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ANALYTICAL AND BIOANALYTICAL CHEMISTRY
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2025
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IF 3.8
Guo Hongyu,Hou Yumeng,Fang Xiaoting,Lin Liangbin,Yang Fafu
Carbendazim is widely used as a fungicide in various crops, but its residues might pose a threat to human health and environmental safety. It is significantly expected to develop a simple, sensitive, stable, and on-site method for detecting carbendazim. In this work, the first organic fluorescent sensor for carbendazim was designed and synthesized based on a crown ether-bridging tetra-cyanostilbene macrocycle. This macrocycle exhibited dark-blue fluorescence in THF–H 2 O (5:95) solution, which was transformed into bright-blue fluorescence after sensing carbendazim. High sensing selectivity for carbendazim was observed among 24 kinds of pesticides and ions. The detection limit was as low as 4.22 × 10 –8 M. The sensing mechanism was deduced as two carbendazim molecules being encapsulated in the macrocyclic cavity based on multiple hydrogen bonds, π–π stacking, and hydrophobic action, resulting in stronger rotation restriction of aromatic groups and then higher fluorescence emission. The sensing application on test paper, real samples, and simulated water samples indicated excellent qualitative and quantitative detecting capabilities for sensing carbendazim, implying a good application prospect for simple, sensitive, stable, and on-site detection of carbendazim in daily life.
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International Journal of Environmental Science and Technology
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2025
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IF 3.4
Xia T.,Ji Y.,Bi J.,Xia J.,Bai J.,Peng L.,Xia S.
The fly ash water treatment filler prepared using the foaming method is characterized by low energy consumption and a simple preparation process, effectively promoting the resource utilization of fly ash. To further enhance the filler's water treatment performance, this study employed the co-precipitation method to synthesize Fe 3 O 4 magnetic particles and optimize the magnetic modification of the foamed fly ash filler. The results show that the specific surface area of the magnetically modified foamed fly ash filler increased by 30.51%, and the average pore diameter increased by 26.47% compared with the original filler before modification. In the simulated domestic wastewater treatment test, the magnetically modified filler achieved COD and ammonia nitrogen removal rates of 74.61% and 70.18%, respectively. These values are higher than those of the unmodified and sintered ceramic fillers and represent improvements of 21.99% and 9.76% over the unmodified filler. Illumina MiSeq sequencing revealed that the microbial community on the magnetically modified filler was more abundant, with Proteobacteria and Bacteroidetes as the dominant phyla. Magnetic modification is more effective in promoting the formation of biofilms on the surface of fillers, enhancing microbial diversity, and increasing the proportion of functional bacteria.
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POLYMER BULLETIN
·
2025
·
IF 4
Gao Yuxia,Dong Fuying,Guo Tongxin,Wang Jianqin,Chu Qiuting,Li Fulong,Yang Xiao,Tang Xinde,Pang Laixue,Wang Kun,Hu Peng,Kuang Rui
The strategic integration of functional monomers within the molecular structure of polycarboxylate superplasticizers offers a viable route to augment their inherent performance capabilities or introduce novel functionalities. In this investigation, a novel silane-modified polycarboxylate superplasticizer (Si-PCE) was synthesized via a free radical polymerization process at room temperature. This synthesis leveraged the high reactivity of ethylene glycol monoethylene glycol ether (EPEG), acrylic acid, and vinyltriethoxysilane (VTEO) as the core monomers. The chemical structure of Si-PCE was characterized by Fourier transform infrared spectroscopy (FTIR), 1 H Nuclear magnetic resonance ( 1 H NMR), and Energy dispersion spectroscopy. To evaluate the performance of Si-PCE, its influence on the early hydration products of cement was analyzed using X-ray Diffraction (XRD). Furthermore, the dispersibility of Si-PCE was assessed through cement paste fluidity and mortar fluidity tests, while its impact on mechanical property was investigated via mortar strength measurement. The findings revealed that Si-PCE surpassed silane-free PCEs in terms of dispersibility and dispersion retention, leading to enhanced mechanical property. In addition, the adaptability of Si-PCE in sulfate-rich environments was examined by conducting cement paste fluidity, mortar fluidity, and mortar compressive strength tests. Notably, Si-PCE demonstrated superior performance compared to its silane-free counterpart, particularly in high-sulfate environments, where it effectively dispersed cement particles and significantly bolstered the mechanical property of cement mortar. In conclusion, Si-PCE exhibited not only superior performance under conventional conditions but also remarkable adaptability and stability in sulfate-rich environments, thereby portending its extensive potential for application and profound implications.
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JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
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2025
·Vol. 36
·期 18
·1-17
·
IF 2.8
Zeng Xiangjian,Pan Zhanchang,Hu Guanghui,Xia Guowei,Huang Haiqing,Zou Mingliang,Shi Shikun
Literature reports indicate that existing synthesis methods for leveling agents often suffer from complex procedures, high environmental burden, challenging purification processes, and insufficient via filling efficiency. To address these limitations, a novel leveling agent (CDT) was synthesized using environmentally friendly materials through a simplified, cost-effective process that eliminates the need for post-synthesis purification. This study systematically investigates the influence of CDT on blind via filling performance in an acidic copper sulfate plating bath containing polyethylene glycol (PEG), bis(3-sulfopropyl) disulfide (SPS), and chloride ions. The chemical structure of CDT was characterized by Fourier-transform infrared spectroscopy (FTIR), nuclear magnetic resonance (NMR), and gel permeation chromatography (GPC). Quantum chemical calculations and molecular dynamics (MD) simulations revealed that CDT exhibits stronger adsorption on copper surfaces compared to conventional leveling agents. Electrochemical measurements confirmed its ability to suppress copper deposition and helped determine the optimal working concentration of CDT. Electroplating experiments further demonstrated CDT’s capability to achieve superfilling, indicating its suitability for printed circuit board (PCB) manufacturing. Scanning electron microscopy (SEM) results corroborated the validity of the optimal concentration established by electrochemical tests. Finally, X-ray photoelectron spectroscopy (XPS) confirmed strong interfacial interactions between CDT and the copper surface. These findings collectively suggest that CDT is a highly promising candidate for advanced leveling agent applications.
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TOPICS IN CATALYSIS
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2025
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IF 3
Du Qilong,Jiang Yuanguang,Fu Dandan,Yuan Kun,Nie Xuliang,Hou Dan,He Lu,Chen Jing,Wu Suqin,Xiong Wanming
Imidazolium-based hexafluorophosphate ionic liquids (ILs) have attracted widespread interest due to their unique physicochemical properties. Accordingly, in this work, four kinds of diimidazolium hexafluorophosphate ILs with different cation structures were synthesized and characterized. Moreover, their stability (e.g., thermal stability, oxidation-reduction stability, and acid-base stability), and catalytic performance in furfural coupling were systematically explored to elucidate the correlation between their physicochemical properties and cation structures. Thermal stability results showed no weight loss within 250 °C, and the cations in ILs with shorter R-groups or linked via an alkyl carbon chain correlated with better thermal stability. Moreover, the conventional oxidation-reduction stability of the ILs was not desirable, but they displayed promising electrochemical stability. Among them, the cations with longer R-groups or linked via the phenyl group were correlated with a wider window of electrochemical stability. Notably, they also displayed a correlation with better acid-base stability, and more resistance to alkaline environments (pH = 13) compared to acidic environments (pH = 1). Furthermore, ILs could also realize furfural coupling with a 60.48% furoin yield in an alkaline environment. Overall, the correlation between the cation structures of ILs and their physicochemical properties was revealed, and the ILs with longer R-groups or linked via the phenyl group displayed better prospects. This work may provide insights into the future design and application of ILs.
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Microsystems & Nanoengineering
·
2025
·Vol. 11
·期 1
·1-11
·
IF 9.9
Tan Yuyu,Tan Cao,Luo Mengli,Miao Yuxue,Wang Jiaoli,Wang Xinlin,Chen Zhu,Jiang Lelun,Yang Jian
Developing a promising on-demand controllable microneedle drug delivery system could provide stronger self-control and precision delivery of a large payload capacity. Nevertheless, the efficacy of existing systems has been constrained by limitations in the therapeutic payload capacity and slow diffusion of molecules, as well as the necessity for external resource configurations. Drawing inspiration from the multidimensional biomimetic strategies observed in the material properties and functional mechanisms of the bombardier beetle’s defensive secretion system, a battery-free and self-propelled biomimetic microneedle system (BSBMs) is proposed for improving therapeutic outcomes and enabling controlled, on-demand drug delivery. The self-powered microneedle delivery platform fully emulates the structure and spray mechanism of bombardier, employing Pt nanoparticles and H 2 O 2 loaded in the reaction chamber, as a built-in fuel source for active and controllable payload delivery. The robust bionic gas injector can serve as an active engine, facilitating the effective permeation of drugs through hollow microneedles without a complex pumping system. This BSBMs triggers the H 2 O 2 decomposition reaction through thumb pressure, generating O 2 pressure as an endogenous driving force to achieve transdermally precise and on-demand drug delivery. The pharmacokinetics of drug release from the BSBMs were evaluated in vivo by quantifying the levels of levonorgestrel (LNG). This active delivery system maintains in vivo LNG concentrations within the therapeutic window range, greatly enhancing on-demand, controlled, and stable drug delivery. This versatile and efficient self-propelled bionic microneedle delivery technology holds substantial promise for a broad spectrum of transdermal therapeutic applications, offering a simplified, convenient, and improved method of administration.
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IRANIAN POLYMER JOURNAL
·
2025
·
IF 2.8
Yang Yi,Sun Yawen,Yang Xin,Zhang Chenchen,Gao Huajie,Zhang Haorong,Wang Jianfeng,Yang Yanyu,Wang Wanjie,Cao Yanxia
This study investigates the shape memory and reconfigurability behaviors of recycled polyvinyl butyral (RPVB) with partially extracted plasticizer, which is crosslinked using hexamethylene diisocyanate (HDI) and a catalyst, dibutyltin dilaurate (DBTDL). The use of RPVB, a recycled plastic, is significant as it contributes to sustainability by reducing waste and promoting the reuse of plastic materials. The effect of HDI content on the shape memory performance of RPVB was explored, with emphasis on the catalyst's role in enhancing its reconfigurability. RPVB-20, with 20% plasticizer extraction, exhibits excellent shape fixation at room temperature, with a shape recovery rate (R r ) of 81.2%, which increases to over 95% after HDI crosslinking. The addition of DBTDL further improves the material's reconfigurability, enabling it to adopt new permanent shapes through dynamic covalent bond exchange at 160 °C. The material demonstrates good shape memory performance with an R f of 99.4% and an R r of 96.9% when 0.2 phr HDI is added. Stress relaxation and creep tests show that the catalyst accelerates urethane exchange, providing plasticity at elevated temperatures. Furthermore, RPVB-20-0.2-DL exhibits excellent reprocessing properties, with stable mechanical properties after reprocessing, making it suitable for manufacturing permanent three-dimensional shapes and for potential recycling applications. The results suggest that dynamic covalent bonds in RPVB shape memory polymers offer both high reconfigurability and stable mechanical properties, providing a promising approach for sustainable material design in smart applications while promoting the recycling and reusing of plastic materials in line with environmental objectives. Graphical
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Tungsten
·
2025
·
IF 11.2
Chang Si-Jie,Zhang Xin,Wang Rui-Ge,Wang Jun-Kai,Wang Chao-Fan,Zhang Long-Fei,Yu Zhi-Peng,Hu Qian-Ku,Zhou Ai-Guo
The methanol oxidation reaction is a critical half-reaction in direct methanol fuel cells (DMFCs), but its efficiency is limited by the low activity and poor stability of traditional electrocatalysts. This study reports the development of a high-performance PtCo/Mo 2 CT x catalyst for methanol oxidation in DMFCs. Synthesized by depositing PtCo alloy nanoparticles on Mo 2 CT x sheets prepared via cetyltrimethylammonium bromide-assisted etching of Mo 2 Ga 2 C, the PtCo/Mo 2 CT x catalyst achieved enhanced interlayer spacing and excellent dispersion of active sites. The optimized PtCo/Mo 2 CT x catalyst exhibited remarkable catalytic activity, reaching a mass activity of 2296 mA·mg Pt −1 —6.5 times that of commercial Pt/C. Electrochemical studies confirmed the catalyst’s low charge transfer resistance, high electrochemical surface area, and strong CO anti-poisoning ability. Stability tests showed that the catalyst retained 62.26% activity after 1000 cycles. These improvements are attributed to the synergistic effects between Pt and Co, the conductive and layered structure of Mo 2 CT x , making PtCo/Mo 2 CT x a promising, durable anode material for DMFCs in sustainable energy applications. Graphical abstract
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npj Science of Food
·
2025
·Vol. 9
·期 1
·1-12
·
IF 7.8
Zhang Hongyi,Ma Qiaoling,Wang Weichao,Wang Bin,Liu Jiawen,Wang Fu,Hu Yuan,Chen Lin,Liu Youping,Wang Qi,Chen Hongping
Oysters are recognized for flavor and health benefits, but their shells are regarded as waste, contributing to resource inefficiency. This study investigates the chemical composition and pharmacological activity of oyster shells, using a fraction partitioning approach to separate the oyster shells water extract (WE) into two fractions: WE of extra-membranous (WEE, <1000 kDa) and intra-membranous (WEI, >1000 kDa). Using UPLC-Q-Exactive MS, 231 components were identified such as organic acids, amino acids. ELISA analysis revealed that high-dose WEE significantly increased serum T3, T4, FT3, and FT4 levels while reducing TSH, and improved thyroid tissue lesions. Network pharmacology identified 291 drug-disease intersection targets enriched in the PI3K/AKT pathway. Furthermore, the RT-qPCR and WB results showed that high-dose WEE protected against propylthiouracil-induced goitre by inhibiting the PI3K/AKT/Bcl-2 pathway. This study evaluated the anti-goitre potential properties of WE and provided a theoretical basis for further development of oyster shells as a functional food source.
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APOPTOSIS
·
2025
·
IF 8.1
Huang Xiangyang,Liu Yi,Fu Hangling,Rong Xia,Zhao Yiheng
Systemic sclerosis (SSc) is a life-threatening autoimmune disease characterized by progressive skin and organ fibrosis. Although interferon signaling is dysregulated in SSc, the role of interferon-induced proteins like IFIT3 in the skin fibrosis of SSC remains unclear. Here, we demonstrate that IFIT3 expression is significantly elevated ( p < 0.01) in SSc fibroblasts and promotes fibrosis via SOCS1-dependent activation of the EGFR/VEGF axis. Silencing IFIT3 upregulated SOCS1 ( p < 0.05), suppressed EGFR/VEGF ( p < 0.01), and inhibited fibroblast proliferation/migration ( p < 0.01). In a bleomycin-induced SSc model, IFIT3 knockdown ameliorated skin/lung collagen deposition and fibrosis ( p < 0.05). Our findings reveal a novel mechanism whereby IFIT3 regulates EGFR and VEGF through down-regulating SOCS1 in SSc fibrosis, identifying IFIT3 as a novel therapeutic target for SSc.
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