ACS Nano
·
2025
·
IF 16
Xiaofeng Lu,Dong Zhong,Qi An,Liting Kang,Na Fan,Junjie Cao,Renjie Li,Qianqian Cao,Yudong Zhou,Xiaoyu Du,Shuanghong Yan,Juan Li,Xiaolei Qu,Yuqin Wang
Perfluoroalkyl and polyfluoroalkyl substances (PFASs) make up a large class of emerging chemical pollutants that have caused extensive contamination of global water sources. As the toxicity of PFAS becomes increasingly recognized, there is a growing demand for low-cost and rapid sensors capable of screening water samples for multiple PFAS species. However, most electrochemical and optical sensors can detect only one or two PFASs, despite the high structural diversity of these compounds in aquatic environments. Here, we report a single-molecule nanopore sensor that enables simultaneous detection of nine PFASs in a single measurement. By incorporating a β-cyclodextrin (β-CD) adapter into a mutant α-hemolysin (α-HL) nanopore, translocating PFAS molecules produce distinct current blockades that allow clear discrimination based on carbon chain lengths, hydrogen substitutions, and terminal functional groups. With assistance from a machine learning classifier, an overall identification accuracy of 95.83% is achieved. This strategy allows direct, label-free, and rapid discrimination of multiple PFASs in surface water samples at environmentally relevant concentrations as low as the microgram per liter level, without chemical labeling, separation, or enrichment. The successful demonstration of nanopore sensing in complex real-world matrices highlights its strong potential for practical, field-deployable environmental analysis.
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FOOD CHEMISTRY
·
2025
·
IF 9.8
Like Wang,Peiyan Feng,Bo Liu,Shuheng Wei,Peng Tang,Shouwei Yin
Novel phase-change Pickering emulsion microcapsules (PCPEs) were constructed using tannic acid (TA)-modified zein nanoparticles (T-zein) and a lauric acid/stearic acid eutectic (LS) to encapsulate β-carotene. The grafting of TA tuned the wettability of zein nanoparticles, enabling stable emulsification at 50 °C. Subsequent cooling resulted in microcapsules with a T-zein shell and crystalline core (LS), achieving an encapsulation efficiency of 88.15 %. The solidified oil phase restricted molecular migration, while interfacial T-zein provided dual protection, reducing β-carotene degradation under UV irradiation and auto-oxidation by 57.19 % and 67.88 %, respectively, compared with liquid-core emulsions. In vitro digestion studies showed that phase change triggered by physiological temperature enabled controlled release. PCPEs displayed superior gastric stability and resistance to coalescence in the intestine, enhancing the bioaccessibility of β-carotene to 42.57 % (36 % higher than liquid-core emulsions and 298 % of the free control). Overall, this solid-core engineering strategy presents a novel platform for the rational design of emulsion for targeted delivery of lipophilic bioactives.
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Desalination and Water Treatment
·
2025
·
IF 1
Yinyu Chen,Mingfei Huang,Zuhui Qin,Lei Zhang,Jiahao Mo,Xianhui Li
Swelling of membranes can lead to reduced mechanical strength and deformation of the pore structure. The traditional cross-linking modification method still suffers from the disadvantages of solvent residue and complex operations. This study proposed a stability-enhanced sulfonated polysulfone (SPSF)-polyethyleneimine (PEI)/polyethersulfone (PES) composite membrane through a simple and effective strategy using a two-nozzle electrospinning technique. The SPSF/PES and PEI/PES jets interweave in the electric field via electrostatic interactions or hydrogen bonding to form a composite membrane, which demonstrated a tensile strength increase of over 85.2 % alongside a swelling ratio reduction exceeding 51.4 % compared with the PEI/PES membrane. The adsorption of SPSF-PEI/PES composite membranes for Acid Fuchsin follows a pseudo-first-order kinetic model. Besides, the adsorption capacities of the optimal composite membrane for Acid Orange 7 (AO7), Acid Fuchsin (AF), Congo Red (RB), and Methyl Blue (MB) reached 267.9, 320.2, 428.4, and 439.5 mg/g, respectively. This study proposed a simple and effective strategy for preparing electrospun membranes with improved swelling properties and high-efficiency anionic dye adsorption.
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STAR Protocols
·
2025
·
IF 1.3
Nan Xiao,Cao Xu,Xiaozhen Huang
Summary Shoot apical meristem (SAM) development is critical for plant aerial architecture and reproduction, but its spatiotemporal specificity and phenotyping challenges hinder mechanistic studies, particularly under stresses. Here, we present a protocol for molecular and cellular analysis of SAM development and stress response in tomato. We describe steps for imaging, developmental stage-specific heat treatment, and recovery growth. We then detail procedures for microdissection and tissue sectioning. This protocol enables high-resolution investigation of SAM development in response to heat stress. For complete details on the use and execution of this protocol, please refer to Huang et al. 1
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2025
·
IF 8.5
Haiping Yu,Yuanchun Qin,Brian Chen,Fan Song,Shenyang Deng,Lin Wen,Jiaji Pan,Dongying Hu
Fabrics tend to absorb moisture and foster bacterial growth during use, due to surface hydrophilic groups such as hydroxyl groups. Economically and environmentally, extending antibacterial efficacy through hydrophobic treatment proves highly viable. This study employed pressurized impregnation to load ZnO NPs onto polyester (PET) and cotton fabrics, subsequently modified by octadecyltrichlorosilane (OTS) spraying. Post-OTS treatment, the fabrics achieved water contact angles (WCA) of 148.74 ± 0.95° and 145.47 ± 1.13°, respectively. The composite coating displays substrate adaptability by resisting stains from ordinary liquids (tea, milk, coffee, vinegar, cola, etc.) and synthetic blood while maintaining natural breathability. Bacterial eradication is accomplished by synergistic methods, which include electrostatic interactions between ZnO NPs and bacteria, as well as light-induced reactive oxygen species (ROS), giving the fabrics dual antibacterial and hydrophobic properties. The material's antibacterial and hydrophobic qualities remain constant even after acid-base immersion, UV irradiation, mechanical friction, repeated washing, and ultrasonic treatment. This fully fluorine-free approach is environmentally beneficial, increasing fabrics' application possibilities in industries such as fabric manufacturing and medicine.
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SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
·
2025
·
IF 3.8
Yufeng Li,Hanxu Ji,Jingjing Xu,Xiuming Mei,Xiaoxiao Wu,Yongli Ye,Miao Yang,Diyao Jiang,Yuwei Qiang,Lan Jiang,Jungui Zhou,Chi Zhang,Xiulan Sun
A novel method for detecting Tilletia foetida teliospores in wheat was developed by integrating inductively coupled plasma mass spectrometry (ICP-MS) with an elemental labeling strategy. On the basis of an immunological method, capture magnetic beads coupled with a polyclonal antibody probe (MBs-pAb) were constructed to specifically enrich and label T. foetida teliospores. A gold nanoparticle-labeled monoclonal antibody was then added to bind to MBs-pAb. After dissociation of the resulting complexes using citric acid, the 197 Au signal was detected by ICP-MS, allowing for the quantitative detection of T. foetida spores. Under optimal conditions, the method had a limit of detection of 50 teliospores/mL and a linear range of 200–50,000 teliospores/mL. This new approach, which enables the rapid and highly sensitive detection of teliospores within 2.5 h, was successfully applied to wheat samples. The method shows significant potential for analyzing and monitoring common bunt of wheat, offering a robust tool for agricultural diagnostics and disease management.
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CHEMICAL ENGINEERING JOURNAL
·
2026
·
IF 12.5
Xiaofeng Liu,Ruiji Wang,Fayou Tian,Hao Ren,Jinglin Wang,Yan Lin,Zhongtao Li,Mingbo Wu
Development of electrocatalytic reduction of carbonyl compounds for carbon‑carbon (C C) coupling represents an effective pathway to achieve sustainable synthesis of multi‑carbon chemicals. The hydrogen evolution reaction (HER) is considered the most significant competitive process, which could be suppressed by weakening the adsorption of protons on interface or by making protons in the electrolyte inactive through the use of certain additives. However, increasing the coverage of protons and carbonyl molecules are necessary to facilitate the generation of hydrogenation intermediates during C C coupling. To reconcile this contradiction, a Ni-based catalyst for electrocatalytic coupling of formaldehyde has been developed, decorated with phosphate groups around Ni sits. The following enhancement could be achieved: 1) Ni sites enhance the adsorption of formaldehyde on catalyst surface and promote their electroreduction; 2) Phosphate groups near the Ni sites can act as protons affinity sites to prevent their self-coupling. As the result, the adsorbed HCHO and hydrogen can be balanced to facile the formation of intermediate *CH 2 OH during C C coupling. Consequently, the PD-Ni/C@CP catalyst exhibits outstanding performance in the continuous preparation of ethylene glycol, with a production rate of 22 mmol/(L·min) and a Faradaic efficiency exceeding 90%, highlighting its potential for the efficient and sustainable synthesis of other high-value chemicals.
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Science Advances
·
2026
·Vol. 12
·期 6
·
IF 13.9
Yansong Ge,Weiwei Meng,Zixi Yu,Haibing Wang,Guoyi Chen,Shengjie Du,Lishuai Huang,Chen Wang,Xuzhi Hu,Fang Yao,Xiaojuan Cao,Jiwei Liang,Mingming Hu,Chen Tao,Weijun Ke,Guojia Fang
Homogenizing the upper surface through posttreatment has made great progress in perovskite solar cells. In contrast to the exposed surface, there are no practical remedies if imperfections form randomly at the hidden buried interface after perovskite film generation. Here, we reveal a severe distribution of residual lead iodide, voids, and grain-surface concavities at the buried interface, which severely trap carriers in inactive regions. To address these challenges, we introduce a potassium dihydrogen phosphate competitive-binding interlayer that systematically reduces residual solvents at the buried interface through strong chemical interactions. Homogenized buried interface along with facilitated perovskite film quality and charge extraction have been achieved, enabling year-round improvements in photovoltaic performance and reproducibility. The resultant devices achieve a champion power conversion efficiency (PCE) of 26.3% (certified at 25.8%) for a 0.07–square centimeter device and 25.17% for a 1.028–square centimeter device. The device also demonstrates exceptional stability, maintaining 97% of its initial PCE after 1000 hours of continuous maximum power point tracking.
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ChemistrySelect
·
2026
·Vol. 11
·期 8
·e07116
·
IF 2.3
Xiongtao Yu,Haiping Xu,Rui Wang,Feng Zhou,Chunmin Yang
In this manuscript, Au nanoparticles (AuNPs) and a nanospherical conjugated microporous polymer (CMP) were prepared and then modified on the surface of screen-printed carbon electrode (SPCE) to construct an electrochemical sensor for high sensitivity and rapid detection of 3-amino-2-oxazolidinone (AOZ). The preparation process of the materials and electrodes were characterized by scanning electron microscope (SEM), transmission electron microscope (TEM), cyclic voltammetry (CV), differential pulse voltammetry (DPV) and electrochemical impedance (EIS), and the test conditions were optimized. Under optimal conditions, the oxidation peak current of AOZ and the concentrations show a wider linear relationship in the ranges of 1.0×10 −8 ∼1.0×10 −6 and 1.0×10 −6 ∼ 1.0×10 −4 mol/L ( R 1 2 = 0.996, R 2 2 = 0.998), respectively, and a lower detection limit which is as low as 3.3×10 −9 mol/L (S/N = 3) compared to existing methods. The reason for this result may be that CMP exhibited abundant porous structures and numerous active sites, which could significantly improve response sensitivity; AuNPs also possess high specific surface area and make the diffusion and transport of electrolyte ions easier. CMP-AuNPs nanocomposites greatly improved the electron transport rate, signal intensity and electroactive surface of SPCE, thereby improving the sensitivity of the sensor. It is worth noting that the sensor also has strong anti-interference ability, stability, and reproducibility. When applied to detect AOZ in real samples, it also showed good recovery rate. Compared with HPLC-MS/MS, the sensor also obtained good accuracy and consistency, which has great application potential for rapid on-site analysis and detection in animal-derived food not only for AOZ but also for Furazolidone (FZD).
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RSC Advances
·
2026
·Vol. 16
·期 13
·11972-11987
·
IF 6.1
Min Zheng,Yangyi Wang,Yiheng Liu,Xiaoyan Jiang,Yannan Zhang,Jinghao Huo
Microplastic pollution is widespread, infiltrating water bodies and soil, entering the food chain, and thereby posing threats to ecosystems and human health. In this study, anatase titanium dioxide (TiO2) was prepared via a hydrothermal method and subsequently modified with bio-based carbon quantum dots (CQDs). The composite exhibited optimal performance when the concentration of the carbon source (citric acid) was 0.17 M, yielding carbon dots with an observable size of approximately 4.18 nm. The formation of Ti–O–C chemical bonds between the carbon dots and TiO2 was observed. Compared to pristine TiO2, the CQDs@TiO2 composite displayed a reduced bandgap, significantly enhanced light absorption in the visible region, improved photogenerated charge carrier transport, and suppressed non-radiative recombination, leading to a substantial enhancement in photocatalytic performance. The CQDs@TiO2 photocatalyst was employed for the photodegradation of polyethylene terephthalate (PET) and polylactic acid (PLA) microplastics under visible light irradiation. The results indicated that under illumination at 100 mW cm−2 in a pH 8 buffer solution, CQDs@TiO2 effectively catalyzed the degradation of alkali-pretreated PET and PLA microplastic samples, with 48 h degradation rates of 28.9% and 59.8%, respectively. The degradation of both types of plastics primarily relied on the synergistic action of 1O2, h+, ˙O2− and ˙OH generated by the photocatalyst, both undergoing a degradation process centered on the cleavage of ester bonds. This study not only demonstrates the superior photocatalytic efficacy of the CQDs@TiO2 composite but also establishes it as a viable strategy for mitigating the urgent challenge of microplastic pollution under near-natural conditions.
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MEASUREMENT
·
2026
·
IF 6.1
Yang Liu,Changyuan Xu,Yuqin Zhu,Jianxin He,Quanhua Xie,Yuanyuan He,Lei Wu,Dong Lai,Fei Fu,Qiongyao He,Bowen Jing,Guoqing Zhang,Nianbing Zhong
Moss-induced biocorrosion of stone heritage is a slow yet persistent deterioration process that alters the physicochemical conditions within porous stones, leading to structural damage and loss of cultural value. To conduct in-situ decoding of the pathogenic mechanism of mosses on sandstone, we developed a fiber Bragg grating (FBG)–based multi-parameter sensing system. The sensing system integrates three types of FBGs—temperature-sensing (T-FBG), strain-sensing (S-FBG), and polyacrylic acid–polyvinyl alcohol (PAA-PVA) coated pH-sensing FBG (H-FBG). The sensitivities and resolutions of T-FBG, S-FBG and H-FBG are 9.69 pm/℃ (0.01 ℃), 1.23 pm/με (0.1 με) and 38.63 pm/pH (0.02 pH units), respectively. A decoupling model based on a 3 × 3 sensitivity matrix was established to eliminate cross-sensitivity effects. During 60 days of Funaria hygrometrica colonization, the system captured dynamic variations including a maximal pH decrease of 0.5, a temperature fluctuation of 3.2 ℃, and an internal microstrain increase of 11.3 με. Microscopic and porosity analyses further confirmed the dual biochemical–mechanical degradation caused by metabolite secretion and rhizoid penetration. This work provides quantitative insights into moss-induced biocorrosion mechanisms and indicates the feasibility of optical fiber sensing as an early-warning strategy for preventive conservation of stone relics.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2026
·
IF 8.7
Yue Song,Yutong Chen,Yi Yi,Chenzhi Kan,Fei Lyu,Yangyue Ding,Xuewei Ye,Jianyou Zhang,Gaopeng Zhang
The hydrophilic colloid–starch composite system has been widely employed to enhance the quality and processing performance of grain-based products. Extrusion, as a cost-effective and efficient processing technology, holds considerable promise for the production of starch-based foods. Using optimized processing parameters, this study investigated the effects of extrusion treatment and guar gum (GG) supplementation on the physicochemical properties, spatial structure, and related characteristics of Coix seed (B), Coix seed starch (BS), and defatted Coix seed starch (TB), both before and after extrusion. An in vitro digestion model was further established to clarify the interactions among GG, endogenous proteins, and lipids, as well as the mechanisms underlying these interactions. The results showed that: (I) the GG–BS group showed the strongest synergistic interaction and binding capacity; (II) among the extrusion-treated samples, extruded brown rice starch with GG (EBSG) displayed the lowest starch digestibility; and (III) extrusion treatment significantly decreased protein digestibility and free amino acid content in the B group. These results suggest that complexes formed between starch and GG hinder the binding of digestive enzymes, suppressing starch digestion and absorption. This study provides a valuable theoretical basis for the development of low glycemic index (GI) foods.
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危险品化学品经营许可证（带存储）