MICROCHEMICAL JOURNAL
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2026
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IF 5.1
Wenming Yang,Qinghe Wang,Shengjie Zhu,Weihong Huang,Wanzhen Xu
The extensive use of the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) calls for the development of robust methods for its trace-level monitoring in the environment, owing to the associated ecological and health risks. Herein, a novel molecularly imprinted photoelectrochemical (PEC) sensor is rationally designed for the ultrasensitive and specific detection of 2,4-D. The sensor is constructed on a synergistic Tin(III) oxide/multi-walled carbon nanotube (Sn 3 O 4 /MWCNT) nanocomposite, where Sn 3 O 4 nanoflowers act as an efficient photoactive matrix and the MWCNTs serve as an electron highway. This synergy significantly enhances charge separation, suppresses recombination, and provides a strong, stable photocurrent. A highly selective molecularly imprinted polymers (MIPs) layer is subsequently fabricated on this composite via in situ electrophmerization of pyrrole, creating specific recognition cavities for 2,4-D. The resulting MIP-PEC sensor displays an ultra-broad linear range spanning five orders of magnitude (0.1 nM ∼ 100 μM) and achieves an impressively low detection limit of 16.1 pM (S/N = 3). It also demonstrates excellent selectivity against structural analogs, high reproducibility, and satisfactory recoveries (93.8–106.7%) in real water samples. This work not only provides a robust analytical tool for trace pesticide analysis but also offers a versatile sensing strategy through the integration of advanced nanomaterials with molecular imprinting technology.
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Nature Communications
·
2026
·Vol. 17
·期 1
·603
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IF 15.7
Wang Zhen,Lin Jiasong,Zhu Yangbin,Sun Runzhen,Lin Qinghong,Hu Xin,Sun Jiayu,Jiang Yi,You Kejia,Fu Hongyang,Guo Xuan,Wang Yue,Li Deli,Lin Liangxu,Li Fushan,Liu Yang,Zhao Yi,Huang Wei
The rapid growth of flexible Internet of Things devices and multisensory human-computer interaction necessitates advanced systems capable of multimodal data sensing, processing, and feedback in an intelligent and energy-efficient manner. However, conventional architectures face limitations in energy inefficiency and interface mismatch due to the fragmented architecture of sensing, processing, and feedback units. Inspired by biological sensory systems, we introduce an MXene-based flexible dual-mode sensing-processing-visualizing integrated system into a single wearable device through a hierarchical MXene platform combining piezoelectric nanogenerators (mechanosensation), optoelectronic synapses (visual processing), and color-shifting quantum dot light-emitting diodes (optical feedback) with optimized interfaces. The wearable integrated system demonstrates tactile-visual signal recognition capabilities, biological self-protection behavior to adapt to environmental stimuli, dynamic trajectory recognition, and spatial positioning for motion recognition, which are highly desired in multisensory interaction. The bio-inspired material-architecture-function co-design strategy and integrated system promote the development of wearable neuromorphic hardware, edge computing, and intelligent human-machine interaction.
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FOOD CONTROL
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2026
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IF 6.3
Xiangyan Zeng,Shuke Liu,Haitao Yu,Laxiang Yang
Aflatoxin B1 (AFB1) contamination in soybean kernels poses a persistent food safety challenge. This study evaluated the coupled ultrasound–ozone (US/O 3 ) process for AFB1 removal from soybean kernels. After 10 min of treatment, the US/O 3 process removed 96.2 % of AFB1, far exceeding ozone alone (54.5 %), ultrasound alone (36.9 %), and water washing (18.1 %). Mass balance analysis showed that only 10.4 % of the initial AFB1 remained in the kernels and soaking water after US/O 3 treatment, indicating that the process mainly destroyed AFB1 rather than merely transferring it into the liquid phase. A positive, time-dependent synergy factor quantified the cooperative effect between ultrasound and ozone. Electron spin resonance (ESR) spin-trapping combined with radical scavenging experiments identified hydroxyl radicals (HO • ) as the dominant oxidants. Identified transformation products suggested an initial attack on the terminal furan ring, followed by extensive hydroxylation, ring opening, dealkylation, and fragmentation to low-molecular-weight phenolic products. ECOSAR predictions showed higher LC 50 values for most products than for AFB1, indicating reduced acute toxicity. Fourier transform infrared (FTIR) spectra, color parameters, and lipid oxidation indices indicated negligible changes in soybean composition and quality. Therefore, the US/O 3 process offers an efficient, quality-preserving strategy for mitigating AFB1 contamination in soybean kernels.
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Water Research X
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2026
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IF 8.2
Xiao Sun,Lin Shi,Huang Zhang,Fangfang Li,Yanjin Long,Di Zhang
The environmental fate of extracellular DNA is significantly influenced by its interaction with widely used biochar. However, a systematic understanding of how DNA chain length and biochar properties jointly govern the adsorption process, mechanism, and subsequent DNA stability remains limited. This study systematically investigated the adsorption behaviors and mechanisms of short-stranded (sDNA) and long-stranded DNA (LDNA) on biochars produced at 300 – 600°C under neutral pH conditions. sDNA exhibited a higher adsorption capacity (5.91 mg g -1 on BC600) by accessing internal mesopores on biochar, whereas LDNA showed a lower adsorption (2.22 mg g -1 on BC600) and a stronger desorption hysteresis, resulting from multisite anchoring with biochars. The release rate values of sDNA and LDNA were 5 – 20% and 4 – 13% respectively on BC300. Correlation studies and desorption experiments revealed that π-π interactions and hydrophobic forces were the primary adsorption mechanisms. Spectroscopic analyses and molecular dynamic simulation confirmed conformational changes in the adsorbed DNA but showed no chain fragmentation. These findings underscore that DNA chain length and biochar properties jointly govern the sequestration and stability of DNA, providing essential mechanistic insights for assessing the role of biochar in the persistence and mobility of genetic material in the environment.
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ENVIRONMENTAL RESEARCH
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2026
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IF 7.7
Muzi Li,Ranbin Liu,Xiaodi Hao,Dongye Zhao,Xi Cheng,Jian Pan,Tianyuan Xu,Shuting Tian,Yangmo Zhu
Perfluoroocatane sulfonate (PFOS) has drawn increasing global attention due to its environmental omnipresence and adverse health effects. This study presents a synergistic strategy to address the dual challenge of legacy PFOS contamination and sustainable sewage sludge disposal by developing a novel, zinc-modified sludge-based biochar (Zn/SBC) for highly efficient PFOS removal. The innovation lies in the one-step pyrolysis using ZnCl 2 as an activator, which dramatically enhanced the specific surface area by 50-fold (to 261.33 m 2 /g) by creating a well-developed micro- and mesoporous structure. Under optimized conditions, 26%Zn/SBC exhibited a superior PFOS adsorption capacity of 60.14 mg/g, 5.83 times than that of pristine biochar, and achieved >99% removal across a wide pH range (3–11). The material exhibited remarkably stable performance, sustaining a removal efficiency over 93.6% in the presence of high concentration of competing ions and humic acid. After 5 cycles of repeated uses, 26%Zn/SBC remained highly reactive in adsorption for PFOS. In addition, the superior adsorption of PFOS by optimized 26%Zn/SBC is attributed to a unique concurrent mechanism, including electrostatic attraction facilitated by the elevated point of zero charge (pH PZC = 8.1), surface complexation with Zn/ZnO sites, π-anion interaction, and hydrophobic effects. This study not only presents a high-performance and low-cost adsorbent for PFOS remediation, which holds the potential for more cost-effective PFAS removal, but also establishes a sustainable "waste-to-wealth" strategy, paving the way for practical solutions to concentration persistent organic pollutants in aquatic environments.
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MICROCHEMICAL JOURNAL
·
2026
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IF 5.1
Yi Shan,Meihuan Li,Ning Cong,Ling Zhang,Xuanpeng Wang,Ming Du,Xianbing Xu,Jinfeng Pan,Qiyue Zhao
Conventional solid-phase microextraction (SPME) techniques often rely on mechanical stirring devices to improve interfacial mass transfer and enhance detection sensitivity. In this study, we developed a highly sensitive bubble-driven solid-phase microextraction (BD-SPME) method that eliminates the need for mechanical stirring. This was achieved by constructing a bubble-oscillation-enhanced mass-transfer system based on a MnO 2 -loaded HLB Wax interface with high adsorption efficiency (HLB Wax @MnO 2 ). Adsorption kinetics showed that BD-SPME achieved an adsorption capacity of 1.27 μg/mg within 20 min, 1.78 times greater than that of the conventional SPME method. Isothermal adsorption curves confirmed a multilayer adsorption of capsaicin (CAP) and dihydrocapsaicin (DHC) on HLB Wax @MnO 2 . Furthermore, BD-SPME demonstrated stable performance across six types of chili peppers, with recovery rates ranging from 90.48% to 119.65% and relative standard deviations between 1.37% and 16.79%. Overall, BD-SPME overcomes the limitations of traditional stirring devices and offers a sensitive, stable, and straightforward sample pretreatment technique.
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MOLECULES
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2026
·Vol. 31
·期 2
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IF 4.6
Xiaoyan He,Lisheng Tang,Ran Huang
With the growing demand for eco-friendly food packaging, poly(butylene adipate-co-terephthalate) (PBAT)/polylactic acid (PLA) composite films have emerged as promising biodegradable alternatives, but their inherent limitations (e.g., poor antioxidant capacity, weak UV stability, and insufficient antimicrobial activity) hinder practical applications. This study aimed to address these drawbacks by incorporatingRosmarinus officinalisL. extract (RM) as a natural multifunctional additive. PBAT/PLA/RM blend films with RM concentrations of 0.1%, 0.3%, 0.5%, and 1% were fabricated via melt extrusion and blown film processing. Key characterizations were conducted to evaluate thermal stability, mechanical properties, morphology, antioxidant activity, UV-shielding performance, antimicrobial efficacy, and biodegradability. The results showed that RM significantly enhanced the antioxidant capacity of the films, with the highest DPPH radical scavenging activity achieved at 0.3% RM. UV-blocking performance improved incrementally with increasing RM concentration, and films containing ≥0.5% RM filtered over 90% of UVA and UVB radiation. All composite films met biodegradability standards, with over 90% degradation observed after 240 days of composting, though RM prolonged the initial degradation stage by inhibiting early microbial activity. However, the antimicrobial effect of RM was limited, and concentrations exceeding 1% caused film stickiness, impeding processing. This work demonstrates that RM is a viable natural additive for functionalizing PBAT/PLA films, offering enhanced antioxidant and UV-shielding properties while maintaining biodegradability, thus providing a promising solution for sustainable food packaging.
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CHEMICAL ENGINEERING JOURNAL
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2026
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IF 13.2
Wanning Gao,Shengyuan Shi,Youcong Li,Fangyuan Liu,Yudi Cheng,Jie Zheng,Meng Qiao,Shuai Yuan,Xing Zhang
The spatial organization of enzymes in natural cells enables efficient metabolic cascades through localized microenvironments and controlled intermediate diffusion. Mimicking this compartmentalized architecture in artificial systems remains a key challenge in biocatalysis. Here, we introduce a DNA-mediated self-assembly strategy to construct the biomimetic core-satellite structure of metal-organic frameworks (MOFs) that spatially organize multiple enzymes into defined compartments. In this system, DNA bridges larger “core” MOFs and smaller “satellite” MOFs, forming ordered assemblies with tunable microenvironments tailored for individual enzymes. Using glucose oxidase (GOx) and horseradish peroxidase (HRP) as a model cascade, we demonstrate that the core-satellite structure facilitates substrate diffusion, mitigates inhibition by intermediates, and enhances overall catalytic efficiency. This platform was further applied to support multi-enzyme cascades, including the two-enzyme system of N -acetyl hexosamine 1-kinase (NahK)/UDP- N -acetylgalactosamine pyrophosphorylase (GlmU) for glycosyl donor synthesis, and the three-enzyme system of β-galactosidase (β-Gal)/GOx/HRP for sequential cascade catalysis. Compared to the single MOF system, spatially compartmentalized MOFs exhibit up to 34-fold higher activity and improved thermal, solvent, and operational stability. This work provides a versatile platform for the design of cell-inspired biocatalytic systems and underscores the potential of DNA-guided MOF assembly in constructing programmable multi-compartment enzyme reactors.
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SEPARATION AND PURIFICATION TECHNOLOGY
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2026
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IF 9
Qing Wu,Zanhao Huang,Song Xue,Haoxiang Meng,Shumei Liu,Xingyan Wang,Qi Zhang
This work reports the first investigation of chiral separations in capillary electrophoresis (CE) using a deep eutectic solvent (DES) as the major component of the background electrolyte solvent (DES/water (70:30, v /v)). With sulfobutylether-β-cyclodextrin (SBE-β-CD) serving as the chiral selector, the effects of key parameters—including the type and concentration of the BGE (apparent pH ⁎ ), SBE-β-CD concentration, and the separation voltage—were examined. The results showed that the DES, betaine:urea (BU) system exhibited superior enantioseparation performance compared with conventional aqueous media in certain cases. All six chiral drugs with diverse structures were baseline-resolved in BU under optimized conditions (25 mM NH₄OAc at pH ⁎ 8.9, 2.0–3.0% (m/v) SBE-β-CD, and a separation voltage of 30 kV). Preliminary insights into the recognition mechanism were obtained by fluorescence spectroscopy, which revealed opposite fluorescence responses of drug enantiomers upon SBE-β-CD addition in BU and aqueous phases (quenching versus enhancement), suggesting distinct binding modes in the two solvents. Molecular docking analysis suggested that the presence of DES components modifies the host–guest interactions between SBE-β-CD and enantiomers, which is consistent with the experimentally observed enantioselectivity. The newly developed separation system was further validated, and its environmental sustainability and practical applicability were quantitatively assessed using the ComplexMoGAPI and BAGI tools. These findings demonstrate the potential of DESs as more efficient and sustainable separation media for addressing complex enantioseparation challenges encountered in conventional CE systems. They also highlight the broader applicability of DESs as eco-friendly, cost-effective alternatives to traditional organic solvents in separation science.
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JOURNAL OF POROUS MATERIALS
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2026
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IF 3.2
Guo Hanxu,Fu Sen,Yuan Hong
Hierarchical zeolites can provide multidimensional spatial networks, thereby holding significant potential as catalysts for BTX production from biomass pyrolysis. In this study, nano-ZSM-5 zeolite (Z X-X ) with a hierarchical pore structure was synthesized using glycine as a growth inhibitor. Due to the exceptional ability of Ni to cleave C–C and C–H bonds, Ni modification was performed on the Z 30-0.2 catalyst. The effects of glycine and Ni loading on the morphology and pore structure of the zeolites were systematically investigated using scanning electron microscopy (SEM), transmission electron microscopy (TEM), and N 2 adsorption–desorption. The results demonstrated that the particle size of 10 wt% Ni-Z 30-0.2 zeolite ranged from 200 to 300 nm, with a BET surface area of 314 m 2 /g and abundant mesopores. The NH 3 -TPD results showed that the acid amount of 10 wt% Ni-Z 30-0.2 was 0.72 mmol/g. The prepared zeolite was employed in a fixed-bed reactor to catalyze the pyrolysis of oleic acid for the production of benzene, toluene, and xylene (BTX). The introduction of metal Ni significantly enhanced the BTX yield. At 500 ℃, the average BTX yield achieved with the 10 wt% Ni-Z 30-0.2 catalyst was 19.4 wt%, which was higher than that of the zeolite without Ni loading.
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ENVIRONMENTAL RESEARCH
·
2026
·
IF 7.7
Hongliang Chen,Nana Lu,Qian Long,Mengbi Yang,Dandan Luo,Zhipeng Wang
A porous composite catalyst, designated as 0.1Co/RM@G, is successfully fabricated with red mud (RM). This catalyst, incorporating CoFe 2 O 4 , Fe 3 O 4 and Na 4 CoO 3 as active species, is employed to activate peroxymonosulfate (PMS) for the methylene blue (MB) degradation in aqueous solutions. The results demonstrate that under optimal conditions: 1 g/L of 0.1Co/RM@G and 10 mM PMS, the removal efficiency of MB (initial concentration: 100 mg/L) achieves up to 99.7 % within 15 min. Radical scavenging experiments combined with electron paramagnetic resonance (EPR) analyses confirm that singlet oxygen ( 1 O 2 ) is the primary reactive oxygen species (ROS) responsible for the MB degradation. A plausible mechanism for PMS activation by 0.1Co/RM@G is proposed, where the synergistic effect between Co 3+ /Co 2+ and Fe 3+ /Fe 2+ redox cycles plays a crucial role in sustaining the high catalytic performance. Furthermore, recycling experiments reveal that the catalyst retains over a 71.3% MB removal efficiency after four cycles, highlighting its strong reusability. Density functional theory (DFT) calculations suggest that the N sites (30, 21) and C sites (13, 6, 15, 11, 2, 4) on the MB molecule are particularly susceptible to attack by 1 O 2 during the oxidation process. The potential pathways for the MB degradation are proposed through intermediates analysis using LC-MS technology. Thanks to its robust catalytic efficiency and excellent recyclability, the 0.1Co/RM@G composite shows a great potential for practical applications in the treatment of MB wastewater.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
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IF 9.7
Yinuo Dong,Xu Zhang,Haoguo Yue,Libo Wang,Jinsheng Zhao,Fei Zhao,Zhengrong Wei,Junhong Zhang
Donor-π-acceptor (D-π-A) conjugated polymers are promising photocatalysts for water splitting. Their π-bridges promote intramolecular charge transfer (ICT), leading to better charge separation and enhanced activity. However, further improvements can be achieved by carefully choosing donor units and optimizing building block combinations. In this study, five conjugated porous polymers (CPPs) were synthesized via Still/Suzuki coupling reactions, including ternary polymers with varying donor-to-acceptor ratios and binary polymers for comparison. Photocatalytic hydrogen production (PHP) tests showed that the ternary polymer TATTS-1 achieved the highest hydrogen evolution rates (HER) of 130.56 and 172.75 mmol g −1 h −1 under visible light and full arc irradiation, respectively. Kelvin probe force microscopy (KPFM) and femtosecond transient absorption (fs-TA) spectroscopy measurements confirmed that the adoption of the D-π-A configuration can facilitate charge separation, suppress recombination, and enhance transfer efficency, which was also confirmed by theoretical calculations. These findings underscore the superior performance of the D-π-A configuration over conventional Donor-acceptor (D-A) systems in designing efficient polymer-based photocatalysts, and highlighting the synergy of triazatruxene (TAT) donor, thiophene π-bridge, and dibenzothiophene sulfone (BTDO) acceptor in building efficient hydrogen evolution photocatalysts.
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