LANGMUIR
·
2026
·Vol. 42
·期 29
·21139-21154
·
IF 4.4
Mai Quan-Doan,Dang Thi Hanh Trang,Tran Van Tiep,Ngo Thi Loan,Ong Van Hoang,Cao Thi Hong,Nguyen Quang Hoa,Lich Le Van,Nguyen Cong Chi,Mai Xuan Trang,Phan Manh-Huong,Pham Anh-Tuan,Le Anh-Tuan
Surface-enhanced Raman spectroscopy (SERS) is a powerful
analytical
technique capable of providing rapid and noninvasive molecular fingerprint
identification through characteristic vibrational signatures. However,
developing SERS platforms that enable both ultrasensitive and highly
selective detection, particularly for molecules with intrinsically
weak Raman responses, remains a major challenge, yet it is highly
desirable for expanding the currently limited application scope of
SERS. Herein, we introduce a novel plasmonic porous multicore@shell
Ag@UiO-66 nanostructure that synergistically integrates the localized
surface plasmon resonances (LSPRs) of Ag nanoparticles (NPs) with
the selective molecular capture capability of the metal–organic
framework UiO-66. The hybrid structure is fabricated via a simple
solvent-induced self-assembly strategy, enabling in situ formation
of UiO-66 around dispersed AgNPs at room temperature. The resulting
architecture immobilizes multiple AgNP cores within a porous UiO-66
shell matrix, simultaneously stabilizing their plasmonic activity
and generating abundant interparticle hotspots. More importantly,
the UiO-66 shell provides molecular recognition toward salicylic acid
(SA─a bioactive aromatic compound) through synergistic adsorption
interactions involving bidentate coordination with Zr nodes, hydrogen
bonding, and π-π interactions. This cooperative plasmonic-molecular
recognition mechanism effectively concentrates target molecules at
electromagnetic hotspots, leading to significantly enhanced SERS signals.
As a result, the developed platform achieves highly selective and
ultrasensitive detection of SA with a detection limit down to 1 nM,
far surpassing that of traditional SERS substrates (∼1 μM).
Furthermore, machine learning-assisted spectral analysis confirms
the reliable and selective identification of SA in complex mixtures.
This work demonstrates an effective strategy for developing MOF-enabled
selective and ultrasensitive SERS platforms, opening new avenues for
advanced molecular sensing applications.
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PubMed
高影响因子
Separations
·
2026
·Vol. 13
·期 8
·233
·
IF 3.5
Jiawei Wang,Meiqin Zheng
A new efficient coupled process to produce green solvent ethyl propionate was developed, which involved a fixed-bed reactor and pervaporation membrane separation. Firstly, the esterification reaction alone was investigated to explore reaction conditions and kinetics. Secondly, the pervaporation alone was investigated to explore separation conditions and the separation performance of pervaporation membranes. Then, the esterification reaction, coupled with pervaporation to enhance the reaction process, was investigated. Finally, the mathematical model of the esterification reaction, coupled with the pervaporation process, was established. The results showed that the conversion of ethanol reached 78.4% within 5 h. The reaction kinetics were obtained based on the pseudo-homogeneous (PH) model. Under the condition of a circulation flow rate of 100 L/h, the influence of concentration polarization could be well overcome, and a high level of pervaporation could be achieved. The pervaporation coefficients of the four-component system were obtained based on Fick’s law. The dehydration rate increased significantly with the increase in pervaporation temperature, which could effectively enhance the esterification reaction. The model could well predict the experimental results, and the experimental results were in good agreement with the theoretical calculations.
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高影响因子
Nature Communications
·
2026
·
IF 18.1
Wen Jie,Xia Maoting,Fu Hongwei,Lyu Wang,Fan Ling,Zhou Jiawan,Rao Apparao M.,Zhou Jiang,Wen Shuangchun,Lu Bingan
Nonflammable electrolytes are pivotal for improving the safety of potassium-ion batteries. However, their broad adoption has been hindered by the inadequate electrode compatibility of conventional nonflammable electrolytes, which typically result from strong solvation and excessive free solvent molecules. Here, we employ a molecular design strategy that integrates strong coordination capability with anion-reinforced solvation structure, thereby enabling the effective deployment of nonflammable phosphate solvents. By incorporating lengthened functionalized side-chains into the phosphate backbone, the tailored molecule tri(2-butoxyethyl) phosphate achieves robust multi-site chelation via synergistic interactions between the ether oxygen (C-O-C) and the phosphoryl (P=O) groups. Concurrently, its large molecular structure effectively increases the anion-to-solvent ratio in the electrolyte, promoting the formation of stable electrode-electrolyte interphases, and resulting in high compatibility with both the negative and positive electrodes. Consequently, the optimized tri(2-butoxyethyl) phosphate-based electrolyte enables stable cycling of graphite negative electrode (92.7% capacity retention after 800 cycles at 100 mA g −1 ) and Prussian blue positive electrode (4.2 V, 88.6% capacity retention after 3200 cycles at 100 mA g −1 ). Furthermore, the assembled graphite||Prussian blue full cell also maintains 80.3% capacity retention after 1500 cycles at 500 mA g −1 . This work provides a strategy for electrolyte design in potassium-ion batteries.
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OPTICAL MATERIALS
·
2026
·
IF 4.3
Ziying Liu,Ziliang Liu,Lei Chen,Guodong Xu,Shuangshuang Wang,Hui Qiao,Xiang Qi
Bismuth tungstate (Bi 2 WO 6 ), a typical Aurivillius-phase layered oxide, possesses considerable application potential in optoelectronic devices owing to its suitable bandgap structure and favorable chemical stability. However, conventional two-dimensional (2D) materials often suffer from limited light-harvesting efficiency due to their restricted thickness and short optical path length, which hampers their photoelectric conversion performance to a certain extent. To improve this drawback, inspired by the hierarchical structure of natural petals, we constructed a novel three-dimensional (3D) flower-like Bi 2 WO 6 micro-nanostructure assembled from ultrathin nanosheets via a controllable hydrothermal strategy. This special morphology can effectively enlarge the specific surface area and induces multiple light scattering, significantly boosting photo-electric conversion. Consequently, the photodetector based on nanoflower structures exhibits obviously optimized photoresponse performance. Its response time is greatly shorten to 40/285 ms (rise and fall processes respectively). The photocurrent density reaches over 2.34 μA per square centimeter, which is more than doubled that of unoptimized samples, while the responsivity attains 48.7 μA W −1 cm −1 with an increase of approximately sixfold. Furthermore, the fabricated flexible devices can maintain favorable photoresponse capabilities under various bending angles, demonstrating satisfactory mechanical flexibility and stability. This study not only elucidates the underlying mechanism by which the three-dimensional biomimetic flower-like architecture enhances optoelectronic performance, but also provides new insights for the design of high-performance flexible biomimetic photodetectors.
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Resources Chemicals and Materials
·
2026
·
IF 10.4
Nan Sun,Dawei Zhao,Jie Zheng,Rongguang Li,Zhiguo Li,Yang Liu
This study introduces an innovative organic filler, polydopamine-coated cellulose nanofibers (PDA-CNF), designed to revolutionize self-healing materials by introducing abundant dynamic chemical bonds into polymer matrices. The synergistic interaction between dynamic hydrogen bonds and metal-ligand coordination enabled the creation of a series of composites exhibiting exceptional and highly tunable mechanical and self-healing properties. Notably, the Zn²⁺-enhanced composite exhibited a tensile strength of 5.8 MPa and a self-healing efficiency of 99.3%, demonstrating remarkable improvements of 444.6% and 101.7%, respectively, compared to the conventional composite without metal-ligand coordination. This innovation effectively breaks the long-standing trade-off between mechanical strength and self-healing efficiency in traditional polymers. By precisely adjusting the type and concentration of metal ions, the composites exhibit extensive tunability in stress (0.9–6.5 MPa), strain (3.7%–240.0%) and self-healing efficiency (70.4%–109.7%). This tunability enabled the development of multifunctional materials tailored for cutting-edge applications. Benefiting from such adaptive structural characteristics, the material delivers superior conductivity of 123 S·cm⁻¹ and a high EMI shielding efficiency of 56 dB, while exhibiting stable durability for advanced flexible wearable sensor devices. This work pioneers a novel platform for designing self-healing materials with advanced tunable functionalities, offering transformative potential for EMI shielding and sensor technologies.
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TALANTA
·
2026
·
IF 6.7
Huijun Li,Tianyi Zheng,Xiang Liu,Luojia Cheng,Junjun Sun,Zhouqing Xu,Yan Wang
A multifunctional composite, designated as ZIF-8@LY/ZIF-8@CDs-Eu 3+ , was rationally designed as a fluorescence probe and high-performance photocatalyst for simultaneous detection and degradation of oxytetracycline (OTC). To address the critical challenge of co-encapsulating fluorescein (LY) and Eu 3+ -functionalized carbon dots (CDs-Eu 3+ ) within a single porous particle without functional incompatibility, we proposed a core-shell ZIF-8 architecture, where the etched ZIF-8 core served as the host for LY loading, and the in situ grown ZIF-8 shell was introduced to immobilize CDs-Eu 3+ . The acetic acid etching of the ZIF-8 core created abundant sites to absorb more LY molecules, which further enhanced the OTC removal efficiency. On this basis, a fluorescence “turn-on” ratiometric quantitative detection platform for OTC was established, with a low limit of detection (LOD) of 1.8 nM. Meanwhile, the ZIF-8@LY/ZIF-8@CDs-Eu 3+ composite achieved 99% OTC removal within 300 min under light irradiation, driven by the generated reactive species including superoxide radicals (·O 2 − ), hydroxyl radicals (·OH), and photogenerated holes (h + ). Notably, three parallel degradation pathways of OTC were identified via high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS). This work not only provides an innovative strategy for the design of multifunctional MOF-based composites, but also opens a new avenue for the efficient monitoring and elimination of antibiotic residues in complex environmental matrices.
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高影响因子
Journal of Future Foods
·
2026
·
IF 10.6
Jinjie Hua,Liyue Yang,Jianqiang Ma,Xiwang Li,Ting An,Fenglan Zhang,Ming Chen,Xinxin Lv,Jiayi Zhu,Jinjin Wang,Haibo Yuan,Yongwen Jiang
Tea varieties are key factors influencing tea type and flavor quality. However, the key biochemical indicators biochemical indicators associated with tea varietal suitability remain unclear, and the traditional phenol-ammonia ratio is insufficient as an evaluation criterion. Therefore, identifying reliable biochemical markers for evaluating tea varietal suitability is important for optimizing tea processing and product quality. We aimed to identify key biochemical indicators associated with tea varietal suitability for black and green tea processing and to establish a predictive model for evaluating tea varietal adaptability. Molecular biology and targeted metabolomics approaches were used to analyze polyphenol oxidase (PPO) activity, the expression of three PPO isozymes, and the contents of 60 non-volatile metabolites (NVMs) in fresh leaves from 20 representative tea varieties. Variable importance in projection, S-plot, taste active value, and classification analyses were applied to identify key differential indicators. A predictive model for tea varietal suitability was subsequently developed using data preprocessing and regression analysis. Nine key differential biochemical indicators, including epigallocatechin gallate, epicatechin gallate, epigallocatechin, epicatechin, catechin, myricetin-3-O-galactoside, theaflavin-3-3′-di-O-gallate, theanine, and glutamic acid, together with three enzyme-related indicators, namely PPO activity and the expression levels of PPO2 and PPO4, were identified. Tea varieties suitable for black tea exhibited high levels of epigallocatechin gallate, epicatechin gallate, theaflavin-3-3′-di-O-gallate, and PPO activity, particularly PPO4 expression. In contrast, tea varieties suitable for green tea showed high levels of epigallocatechin, epicatechin, theanine, glutamic acid, and myricetin-3-O-galactoside content. A 1DER+MINMAX data preprocessing method and predictive model effectively evaluated tea varietal suitability. This study identified key biochemical indicators associated with tea varietal suitability and established a predictive model for evaluating tea adaptability for black and green tea processing. These findings provide theoretical and technical support for the efficient utilization of fresh leaf leaves and tea product development.
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高影响因子
Journal of Environmental Chemical Engineering
·
2026
·Vol. 14
·期 5
·124557
·
IF 7.5
Qihang Ye,Zhaoping Zhong,Wei Wang,Yuxuan Yang,Renzhi Qi,You Jia,Huanqi Chen,Xiang Zheng
A “lignin-first” strategy was proposed employing an acidic DES for the preliminary separation of lignin. The DES, formulated with ZnCl₂, levulinic acid, and ethanol used as an additive (molar ratio of 1:1:2), was used to investigate the effects of pretreatment conditions on the efficiency of lignin separation from pine wood. The results demonstrated that both temperature and pretreatment time were critical factors determining lignin recovery efficiency, with 120 °C and 6 h identified as the optimal reaction conditions. The lignin recovery yield initially increased with higher proportion of DES, followed by a decrease upon further addition of DES. Excessive DES addition resulted in excessive fragmentation of lignin, thereby reducing recovery efficiency. A maximum lignin recovery ratio of 94.12% was achieved under the conditions of 120 °C, 6 h, and a solid-to-liquid ratio of 1:15. Characterization analysis revealed that the extracted lignin exhibited structural features similar to those of milled wood lignin (MWL), along with a relatively low molecular weight (1500–2500 g/mol) and a narrow dispersion coefficient (PDI < 2.0). Hydrolysis of the solid residue confirmed that DES pretreatment effectively enhanced cellulose conversion (increasing from 41.11% to 93.26%) and yielded 36.74% furfural. This study provides valuable insights for future biomass refining processes.
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高影响因子
JOURNAL OF MEMBRANE SCIENCE
·
2026
·
IF 8.8
Shumin Li,Wenjun Su,Zeyang Di,Suyue Zhong,Junjie Ma,Jian Li
Membrane separation has emerged as a competitive energy-efficient approach for carbon capture and flue gas treatment. Membrane materials and structures are the core of gas separation membranes, which collectively govern gas molecular mass transfer and separation behaviors. Two-dimensional (2D) graphene oxide (GO) porous nanosheets hold great promise for gas separation due to their nanoscale thickness and structural tunability, but they are often limited by low permeability. Herein, we propose a supramolecular strategy to fabricate ZIF-L/GO/Pebax mixed matrix membranes with intercalated network architectures for efficient CO 2 /N 2 separation. Leaf-like ZIF-L expands the interlayer spacing of GO nanosheets and constructs high-speed continuous gas transport pathways within the membrane. This unique intercalated structure provides abundant CO 2 -philic sites, significantly enhancing CO 2 solubility and enabling highly selective gas molecular sieving. Moreover, hydrogen bonds and chelation coordination interactions between ZIF-L/GO and polymer matrix ensure excellent interfacial compatibility while reinforcing structural stability. This supramolecular structural engineering approach effectively mitigates the limitations of traditional membranes, achieving CO 2 permeability of 1000.8 Barrer and CO 2 /N 2 selectivity of 45, exceeding the 2008 Robeson upper bound and approaching the 2019 limit. Additionally, the membrane displays superior mechanical properties and long-term operational stability, providing a promising avenue toward high-performance materials for efficient CO 2 capture.
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Materials Today Nano
·
2026
·
IF 7.6
Hao Chen,Liang Li,Xuefang Lu,Shunze Huang,Man Xia,Jianzhong Xu,Xiwei Lai,Zewenhui Zhang,Xin Qian,Tianyu Xu,Feng Huang,Richeng Lin
Ultrathin scintillators are key components of high-spatial-resolution X-ray detectors in medical imaging, high-precision nondestructive inspection, and high-energy physics. Currently, the spatial resolution of X-ray imaging detector generally is enabled by high-light-yield scintillators with minimal optical scattering. However, suppressing optical scattering losses typically require the scintillation layers thinner than a few tens of micrometers, which is difficult to obtain through conventional top-down mechanical thinning. Here, a bottom-up method that rapidly growing inch-sized, Eu 3+ /Tb 3+ doped lanthanide oxychloride (LaOCl) films via chemical vapor deposition (CVD) is proposed to obtain large-area ultrathin scintillators. The doping Eu 3+ /Tb 3+ ions act as luminescent activators and provide strong red and green scintillation through efficient f-f intra-configurational transitions, which are shielded from the host lattice by the outer 5s 2 5p 6 electron shells, resulting in sharp emission lines and high quantum efficiency. The layered crystal structure of LaOCl further facilitates anisotropic growth, enabling precise control of film thickness from a few atomic layers up to the micrometer scale. The growing LaOCl:Eu 3+ film with thickness of approximately 30 μm shows a photoluminescence quantum yield (PLQY) of 99.3%, and demonstrating an ultralow X-ray dose-rate detection limit of 143.41 nGy s −1 , owing to efficient energy transfer from the LaOCl host to the activator ions. Furthermore, the growing LaOCl:Eu 3+ /Tb 3+ films exhibit excellent linear response and radiation hardness under X-ray exposure, retaining above 95% of their initial intensity after prolonged cyclic irradiation at 27.8 μGy s −1 for 24,000 s. These results demonstrate CVD-grown LaOCl:Ln films as a promising platform for high-resolution and low-dose X-ray imaging detection. An ultrathin scintillator film is fabricated via an unconventional bottom-up chemical vapor deposition–driven evaporation growth method. The oriented attachment and layer-by-layer stacking of LaOCl:Ln 3+ crystal nuclei enables the fabrication of centimeter-scale ultrathin films with controllable thickness. The doping Eu 3+ and Tb 3+ act as luminescent activators, generating intense red and green emissions through efficient 4f-4f intra-configurational transitions. Owing to the effective shielding of the outer 5s 2 5p 6 electron shells, these transitions exhibit sharp emission lines and exceptionally high quantum efficiency. For LaOCl:Eu 3+ films with a thickness of approximately 30 μm, the photoluminescence quantum yields achieves a near unit of 99.3%, demonstrating an ultralow X-ray detection limits of 143.41 nGy s −1 and outstanding radiation stability. Download: Download high-res image (333KB) Download: Download full-size image
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高影响因子
Food Bioscience
·
2026
·
IF 6.2
Zhongqin Li,Jiazhen Shi,Yinghua Song,Yue Tang,Lian Xia,Yuangen Wu
Butylated hydroxyanisole (BHA) is a synthetic phenolic antioxidant widely used in edible oils and fat-containing foods. Excessive BHA poses significant risks to human health, thus making rapid and sensitive detection of BHA crucial for health protection. Herein, the Ag 2 CO 3 nanozyme was prepared by the simple precipitation method, which exhibits both laccase-mimic and oxidase-mimic activities. It was found that the oxidase-mimic activity of Ag 2 CO 3 facilitated the conversion of TMB to its blue oxidized form (oxTMB), and subsequent addition of BHA resulted in the formation of a characteristic purple adduct. Additionally, BHA effectively suppressed the laccase-mimic activity of the Ag 2 CO 3 nanozymes. Therefore, a novel colorimetric sensor was constructed using the dual-enzyme-mimic activities as a sensing signal for rapidly detecting BHA in edible oil. The colorimetric sensor achieves limits of detection (LOD) for BHA as low as 1.1 μM in the laccase-mimic channel and 0.08 mM in the oxidase-mimic channel, both of which are substantially lower than the maximum permissible BHA level in edible oils stipulated in Chinese National Food Safety Standard GB 2760. The sensor developed in this work shows great promise for application in the field of edible oil detection.
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高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2026
·
IF 5.4
Minghong Dai,Yafang Chen,Peng Wang,Dianming Chu,Zhaoying Li,Wenjuan Bai,Yan He
Coalescence induced by the dynamic evolution of catalysts under catalytic environments has long been a challenge in the growth of carbon nanotubes (CNTs). Herein, this study reports a catalyst "hijacking" strategy, which leverages the time-dependent difference during the crystalline-to-amorphous transformation of catalysts to activate the catalytic activity of small-sized crystalline nanoparticles, preventing their coarsening via Ostwald ripening. Simultaneously, the retained nanoparticles exhibit higher density and optimized electronic structures, extending the catalytic lifetime. The successful synthesis of the catalyst relies on the efficient utilization of Mo in open cavities, where the isolated open cavities restrict excessive coalescence of the active components, and the doping of Mo atoms induces the transformation of the active components from amorphous to crystalline. In this structure, the semi-confined space, surface negative charge, and affinity to solvents facilitate the formation of small-sized NPs by isolating and dispersing metal ions. Meanwhile, Fe-Mo bonds significantly prolong the length of CNTs. The combination of Fe and Mo promotes gradual crystallization of NPs, suppresses excessive coalescence of the active components, and optimizes the adsorption energy of C 3 H 6 , thereby extending the catalyst lifetime. Additionally, the bonding between Mo and C atoms favors bulk diffusion of C within Fe NPs, avoiding excessive C deposition inside the NPs and enhancing structural stability. As a result, the CNTs grown with this catalyst exhibit a small tube diameter as low as 5.68 nm and a high ratio (M product /M catalyst ≈14), demonstrating promising application prospects. Download: Download high-res image (212KB) Download: Download full-size image
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危险品化学品经营许可证（带存储）