CHEMICAL ENGINEERING JOURNAL
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2026
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IF 12.5
Yifang Cao,Ruhong Qiu,Wang Yutao,Jintao Zhou,Jun Xiong,Niya Ta,Xiaoling Wu,Wenyong Lou
Biomimetic zinc single-atom nanozymes mimicking natural lactonase were designed. • The nanozyme integrates lactonase, peroxidase, and oxidase-like activities. • Zn-Nx coordination and pore structure govern the multi-enzyme performance. • ZIF-8-Zn-SAC was immobilized onto silicone catheters via an in-situ hydrogel. • The surface exhibits synergistic quorum-quenching and antibiofilm performance. Bacterial biofilms on indwelling medical devices pose a critical challenge due to their intrinsic resistance to antibiotics and host immune defenses. Herein, a zeolitic imidazolate framework (ZIF)-derived zinc single-atom nanozyme (ZIF-8-Zn-SAC) was developed as a multifunctional catalytic material for antibacterial and antibiofilm applications. The atomically dispersed Zn-N x active sites in the N-doped carbon framework provide a biomimetic coordination environment resembling the catalytic center of natural lactonase. ZIF-8-Zn-SAC exhibited integrated lactonase-, peroxidase (POD)-, and oxidase (OXD)-like activities. Its lactonase-like activity enabled efficient degradation of N-acyl homoserine lactone signal molecules, thereby disrupting quorum sensing and suppressing Pseudomonas aeruginosa biofilm formation. Meanwhile, its POD- and OXD-like activities catalyzed the generation of reactive oxygen species from H 2 O 2 and dissolved O 2 , leading to oxidative bacterial damage. Structure-activity relationship analysis indicated that Zn-N x coordination, nitrogen species, and pore accessibility were associated with the multi-enzymatic catalytic performance. As a proof-of-concept surface engineering demonstration, ZIF-8-Zn-SAC was immobilized onto silicone catheter surfaces through an in-situ hydrogel coating strategy. The resulting nanozyme-functionalized surfaces showed effective inhibition of P. aeruginosa biofilm formation, favorable preliminary in vitro biocompatibility, and retained mechanical stability. This work provides a structure-activity-guided strategy for designing multifunctional nanozymes and highlights their potential for antibiofilm surface engineering on polymeric medical interfaces. Schematic illustration of the design and antibiofilm mechanism of ZIF-8-Zn-SAC nanozymes. ZIFs-derived Zn-N x active sites embedded in an N-doped carbon framework provide biomimetic lactonase-like activity for AHLs degradation and quorum-sensing disruption. Simultaneously, the nanozyme exhibits POD- and OXD-like activities, catalyzing ROS generation from H 2 O 2 and dissolved O 2 to induce oxidative bacterial damage. As a proof-of-concept surface engineering strategy, ZIF-8-Zn-SAC was immobilized onto silicone catheter surfaces via an in-situ hydrogel coating, enabling effective inhibition of Pseudomonas aeruginosa biofilm formation on device-relevant polymeric interfaces. Download: Download high-res image (318KB) Download: Download full-size image
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POLYMER ENGINEERING AND SCIENCE
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2026
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IF 3.6
Jing Wang,Wei Bai,Gongying Wang,Chen Li,Qingyin Wang
Bis(4-(2-hydroxyethoxy)phenyl)fluorene polycarbonate is a transparent thermoplastic resin characterized by a high refractive index and low birefringence, yet it has a relatively low molecular weight. To further increase the polymer's molecular weight, this study synthesized α-ZnS and β-ZnS, along with their coexisting phase, through a precipitation method to catalyze the transesterification polycondensation of bisphenol A (BPA), 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene (BPEF), and diphenyl carbonate (DPC) via melt ester exchange polycondensation. It was found that the acidic sites generated during calcination contribute to enhanced catalytic activity, leading to a high-molecular-weight polycarbonate ( M w = 87,363). Concurrently, the tensile strength (89.02 MPa) increased as the molecular weight rose. Notably, varying the ZnS content (0.085–1.67 g/kg) in the incorporated polycrystalline phase not only effectively catalyzed the polymerization reaction but also increased the refractive index without significantly affecting the transmittance. Highlights Polycrystalline ZnS was synthesized through precipitation and calcination for catalytic applications. The medium-strength acid sites on ZnS notably augmented the molecular weight of polycarbonate (PC). The high M w PC matrix elevated the tensile strength to 89.02 MPa. PC doping with ZnS increased the refractive index without a significant reduction in transmittance. The PC/ZnS composites demonstrated outstanding UV-shielding properties and thermal stability.
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CHEMICAL ENGINEERING JOURNAL
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2026
·
IF 12.5
Jingze Luan,Yue Zhang,Weiwei Jian,Jialin Geng,Chunbo Xu,Yihao Yang,Dandan Han
A biomimetic triple-synergistic Zn-ICH hydrogel is developed for wearable strain sensing. • The hydrogel mimics extracellular-matrix-inspired multiple weak interaction coupling. • Zn-ICH integrates toughness, ionic conductivity, adhesion, and anti-freezing ability. • The sensor enables reliable human motion monitoring and real-time HMI control. • Zn-ICH also shows promise for flexible zinc-ion energy-storage devices. Inspired by the synergistic coupling of multiple weak interactions in natural extracellular matrices, here a triple-synergistic biomimetic double-network ionic conductive hydrogel (Zn-ICH) strategy is proposed to achieve high-performance flexible strain sensors with balanced comprehensive properties. Specifically, the rigid polyacrylamide/sulfobetaine methacrylate (PAM/SBMA) covalent network provides structural stability under large deformations, while the reversible Zn 2+ -sodium alginate (Zn 2+ -SA) dynamic coordination network enables efficient energy dissipation, and the zwitterionic glycerol hydration microenvironment ensures continuous ion transport, robust interfacial adhesion and wide-temperature tolerance, breaking the inherent performance trade-offs of conventional conductive hydrogels. The Zn-ICH-based strain sensor exhibits a gauge factor of 0.93–1.29 over 0–500% strain, enabling reliable detection of human motions and physiological signals. Furthermore, the constructed wearable human-machine interaction system enables stable and near-real-time robotic arm actuation with a motion synchronization accuracy of 99%. Additionally, when used as a zinc-ion capacitor electrolyte, the Zn-ICH hydrogel enables the flexible device to deliver a specific capacity of 150 mAh·g −1 at 0.3 A·g −1 and maintain 95% capacity retention after 5000 cycles. This work establishes a universal design principle for multifunctional conductive hydrogels, offering broad application prospects in wearable electronics and flexible energy storage. Download: Download high-res image (432KB) Download: Download full-size image
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ACS Photonics
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2026
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IF 6
Yujia Luo,Yikun He,Yuyao Feng,Wanzhong Gu,Wanling Mao,Yixuan He,Liang Ke,Yuhui Dong,Yousheng Zou
Eco-friendly Ag–In–Ga–S (AIGS) quantum dots (QDs) are potential alternatives in white light-emitting diodes (WLEDs) due to their high photoluminescence quantum yield (PLQY) and tunable emission. The conventional stacked-film structure using multicomponent QDs suppresses reabsorption losses among different color QDs, but inevitably introduces interfacial optical losses and manufacturing complexity and cost. In this study, a single color-conversion blended film with uniform and excellent luminescence is fabricated using high-PLQY red-emitting (85%) and green-emitting (91%) AIGS QDs simultaneously incorporated into a PMMA matrix. This deliberately utilizes reabsorption governed by the relative ratio between red and green QDs rather than solely suppressing it, thereby eliminating interfacial losses and enhancing luminance, which results in higher photoluminescence emission while maintaining a nearly identical low blue-light transmittance. Furthermore, the blended-film WLED fabricated by integrating the blended film with a blue LED chip exhibited a higher luminance (532.3 cd/m2), representing a greater than 25-fold increase over the conventional stacked-film device (21.0 cd/m2). The blended-film WLED achieved CIE chromaticity coordinates of (0.31, 0.32) and a color rendering index (CRI) of 87.3. The study provides a better understanding of reabsorption in single-layer multicolor QD films and promotes the development of simple and efficient I–III–VI QD backlight films for white-light display applications.
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LUMINESCENCE
·
2026
·Vol. 41
·期 7
·e70559
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IF 2.8
Huiping Zhou,Mingyi Kang,Zhifeng Hao,Xue Zhang,Peng Liu,Guangyou Zhang,Xueying Wang,Na Jiang
Two simple Schiff bases PHMP( (E)-2- ((2-(9H-purin-6-yl)hydrazono)methyl)phenol) and PHMEP( (E)-2- ((2-(9H-purin-6-yl)hydrazono)methyl)-6-ethoxyphenol) were designed and synthesized based on 6-hydrazine-purine with salicylaldehyde and 3-ethoxy-salicylaldehyde, respectively. Among them, both PHMP and PHMEP exhibit significant “turn-on” response characteristics when coordinating with Zn 2+ ions in an EtOH/H 2 O buffer solution, demonstrating remarkable selectivity and sensitivity, accompanied by a noticeable color change. Initially, neither probe exhibited significant fluorescence. However, upon forming complexes with Zn 2+ , PHMP and PHMEP exhibit bright blue and green fluorescence responses, respectively. In contrast, the ethoxy modification in PHMEP alters its steric hindrance and electron cloud density, resulting in fluorescence signals with both superior selectivity and sensitivity compared with PHMP . Additionally, the newly formed complex PHMEP -Zn 2+ can serve as a selective “turn-off” fluorescence probe for Cu 2+ ions. Experimental data indicate that the detection limits of PHMP and PHMEP for Zn 2+ ions are 1.08 × 10 −8 M and 8.85 × 10 −9 M, respectively; the detection limit of PHMEP -Zn 2+ for Cu 2+ ions is 1.79 × 10 −8 M. Job's plot analysis, ESI-MS titration, and theoretical calculations confirmed that the stoichiometric ratio of the probes to the target ions is 1:1. Additionally, PHMP and PHMEP demonstrate broad potential applications in quantitative detection, being suitable for both tap water and convenient test strips.
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高影响因子
Materials Today Bio
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2026
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IF 11
Xiaomei Xie,Qi Wang,Hanlin Song,Hong You,Song Peng,Wei Tang,Huanan Li
High-intensity focused ultrasound (HIFU) has emerged as a game-changing breast-conserving therapeutic modality owing to its dual functions of non-invasive tumor ablation and immunity activation. However, its low focal gain in the target region results in residual tumor tissue after ablation. Inspired by the exceptional acoustic response of bone tumor to HIFU, we developed bone-derived hydroxyapatite (HA)-mineralized metal-organic frameworks (designated as AZSH MOFs) as sonosensitizer that co-encapsulated Zn 2+ , hypoxic-activated prodrug AQ4N, and STING agonist SR-717 for acoustic-immunological synergistic therapy. AZSH MOFs enabled targeted delivery of HA to mimic bone tumor-like acoustic environment, markedly amplified HIFU energy deposition in the breast tumor tissue, and thus achieved more thorough ablation and local hypoxic. The exacerbated hypoxic selectively activated AQ4N to trigger immunogenic cell death. Meanwhile, Zn 2+ with SR-717 upregulated stimulator of interferon genes (STING) pathway to promote intratumoral infiltration of immune cells, and ultimately relieved the immunosuppressive tumor microenvironment. Thus, AZSH MOFs not only improve ablation efficiency of HIFU but also treat residual tumor via enhanced multilevel immune activation, offering valuable insights to facilitate the extensive clinical application of HIFU technology.
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Journal of Energy Chemistry
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2026
·
IF 15.6
Hewei Zhang,Zifan Zhu,Wei Wu,Jiajian Lin,Jiabei Song,Yutong Niu,Jinyu Ye,Abdullah N. Alodhayb,Yixi Zhuang,Zhou Chen,Wei Cheng
High-entropy nanomaterials have attracted tremendous research attention owing to their unique physical and chemical properties. Conventional methods for the synthesis of high-entropy nanomaterials often necessitate high temperatures and struggle with achieving well-defined morphologies. Here, we report room-temperature synthesis of high-entropy metal sulfide nanobelts through sequential cation exchange reactions between the pre-synthesized cobalt sulfide nanobelts and various metal ions in aqueous solution. The cation exchange reaction follows the hard and soft acid-base theory, which guides us to design and produce a variety of binary to high-entropy octonary metal sulfide nanobelts with uniform distribution of elements. The high-entropy quinary (CoCuSnFeIn)S x nanobelts demonstrate significantly enhanced electrocatalytic performance for the nitrate reduction reaction in comparison to low- and medium-entropy metal sulfide nanobelts, due to the increased configurational entropy and synergistic benefits of the incorporated metal elements. Our work provides a facile yet powerful synthesis platform for designing and synthesizing a diverse array of multi-metal/high-entropy sulfide nanomaterials with controlled compositions for electrocatalytic applications. A room-temperature sequential cation exchange strategy is developed to synthesize high-entropy metal sulfide nanobelts. These nanobelts exhibit exceptional electrocatalytic activity and selectivity for the nitrate reduction reaction to ammonia. Download: Download high-res image (234KB) Download: Download full-size image
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JOURNAL OF FLUORESCENCE
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2026
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IF 3.4
Ye Shenyi,Cai Jingrui,Ding Ruyu,Zhu Hang,Xiao Jiecheng,Liu Tianhui,Zhao Chengfei
In this study, nitrogen-doped carbon quantum dots (N-CQDs) are synthesized from citric acid and tetraethylenepentamine via a one-step melting method. Leveraging the fluorescence quenching of N-CQDs by Fe 3+ through a combined static quenching and inner filter effect mechanism, an “on–off–on” fluorescent sensing platform was constructed for the detection of captopril (CAP). The method relies on the competitive chelation of Fe 3+ by the thiol and carboxyl groups of CAP, which displaces the metal ions from the N-CQD surface and restores the quenched fluorescence. Under optimized conditions, the sensor exhibited a detection limit of 0.0620 mmol/L and a linear response spanning 0.1–1 mmol/L. The method was successfully applied to the determination of CAP in commercial tablet formulations, with recoveries meeting the acceptance criteria of the Chinese Pharmacopoeia (2020 Edition). The proposed approach offers a simple, rapid, and sensitive strategy for the quantitative analysis of CAP in pharmaceutical products.
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ACS Sensors
·
2026
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IF 10.9
Weizhuo Gao,Chuanyu Zhang,Hongcheng Xu,Xifeng Sun,Xiaoke Lu,Jing Zhang,Wanheng Zhou,Kun Wei,Hao Sun,Weixuan Jing,Zhuangde Jiang,Xueyong Wei
Biomolecular point-of-care monitoring in saliva, urine, and sweat pioneers the real-time and noninvasive biochemical analysis for personalized healthcare and precision disease therapeutics. However, the adoption of these technologies still faces challenges due to the hardly detectable targets with weak redox activity, extremely low analyte concentration, operational instability of sensors, and low scalability of the fabrication process. To address these issues, we proposed a novel core-shell multifunctional particle for the light-enhanced detection of testosterone at the nanomolar level. The particle comprises a ZnIn2S4/SiC core and a targeted molecularly imprinted polymer shell, achieving multifunctions, including visible light sensitivity, testosterone recognition, and redox activity. The printable ability of the multifunctional particle leads to inkjet-printed testosterone sensors with stable (over 50 days), reproducible, and outstanding light-promoted sensing performance (limit of detection 0.01 nM (S/N = 3) and linear range from 0.01 to 1000 nM). The effectiveness of the testosterone sensors was validated in saliva and urine lateral flow electrochemical testing strips and wearable sweat testosterone sensors, achieving testosterone point-of-care testing in multiple human biofluids. These offer great opportunities for the noninvasive biomolecular profiling, further promoting personalized healthcare and precision disease therapeutics.
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ACS Catalysis
·
2026
·Vol. 16
·期 15
·14855-14865
·
IF 13.6
Chen Kun,Wang Zhou,Zhou Xuefei,Ma Tenghao,Zhao Peng,He Yuan,Chen Zhanwei,Zhou Zhihua,Yang Shaowei,Zhang Qiuyu,Zhang Hepeng
ZnIn 2 S 4 -based photocatalysts have attracted considerable attention in biomass valorization owing to their tunable band structures and abundant surface reaction sites. However, the aqueous-phase selective photooxidation of 5-hydroxymethylfurfural (HMF) to 2,5-diformylfuran (DFF) remains highly challenging due to the insufficient O 2 activation, substrate mineralization, and competitive coupling side reactions. Herein, a single-atom Sn-doped ZnIn 2 S 4 photocatalyst (Sn-ZIS) was constructed. Systematic characterizations confirm that Sn species are atomically dispersed and incorporated into the ZnIn 2 S 4 lattice through Sn-S coordination. Under aqueous-phase reaction conditions, Sn-ZIS achieves 88.7% HMF conversion, 80.5% DFF selectivity, and 93.3% C equilibrium, higher than those of ZnIn 2 S 4 and many reported aqueous-phase photocatalytic systems. The better performance of Sn-ZIS is mainly attributed to the synergistic regulation of the band structure and local electronic structure induced by Sn incorporation. The optimized band structure moderately weakens the oxidative ability of photogenerated holes, thereby reducing HMF mineralization to CO 2 . While the regulation of the local electronic structure promotes O 2 adsorption and activation to generate superoxide radicals, it simultaneously facilitates DFF desorption from the catalyst surface. Synergy between the two functions drives the selective conversion of HMF into DFF. This work demonstrates the potential of single-atom doping for enhancing aqueous-phase biomass photooxidation and provides a rational strategy for designing efficient ZnIn 2 S 4 -based photocatalysts.
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ACS Applied Materials & Interfaces
·
2026
·Vol. 18
·期 31
·43099-43108
·
IF 7.8
Zheng Yijian,Wang Xin,Gao Yang,Lu Tongqing
Biological tissues resist fatigue by possessing high fatigue threshold and extremely slow crack growth above the threshold. In contrast, most synthetic hydrogels rely solely on increasing fatigue thresholds and fracture rapidly once cracks start to propagate. Here, we realize fatigue damage tolerance design (FDT) for hydrogels via the synergy of two kinetically distinct metal–ligand crosslinks. Under cyclic loads, the strong and irreversible crosslinks break to dissipate energy, shielding the weak and reversible crosslinks to re-associate upon unloading. The synergistic kinetic effects between these two crosslinks lead to the formation of a large inelastic zone at the crack tip, deconcentrating stress and significantly decelerating fatigue crack growth. The as-synthesized hydrogel exhibits outstanding fatigue resistance, with a threshold of 680 J/m 2 and an ultraslow crack growth of 1.08 mm after 10 6 cycles under an energy release rate of 1000 J/m 2 . Remarkably, even at a higher energy release rate of ∼3000 J/m 2 , the fatigue crack growth rate remains below 10 –7 m/cycle. This extremely slow crack growth leads to the anti-fatigue hydrogel with a long lifespan under a broad range of the applied load level. The synergistic design of kinetically distinct metal–ligand crosslinks provides a framework for fatigue-resistant soft materials.
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PubMed
高影响因子
Bioresource Technology Reports
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2026
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IF 5
Qiyu Zhang,Jiachen Zuo,Yuanhao Wang,Lin Lu,Hongxing Yang
Fabricating binder-free composite boards upcycles agro-forestry residues. To enhance the low strength and poor weatherability of wheat straw, four hard shells were screened as biomineralizers. A differential pretreatment was developed: alkali treatment for wheat straw to facilitate cross-linking, and acid-ZnCl₂ treatment for shells to preserve lignin rigidity and expose hydroxyl groups. Particle size critically affected mechanical properties; fine particles compromised physical interlocking. Oil-tea oleifera shells exhibited superior performance due to their porous structure, which adsorbed ZnCl₂ and formed dense regions under pressure. Optimal composite boards (wheat straw and 2 mm oil-tea oleifera shells) achieved tensile and bending strengths of 28.62 MPa and 35.58 MPa, increasing by 83.93% and 46.42% over pure straw boards, respectively. Water absorption decreased to 32.30%, reductions of 34.10% and 74.01% compared to pure shell and straw boards, respectively. This differential pretreatment method provides new insights for multi-source biomass board fabrication.
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