WATER RESEARCH
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2025
·
IF 12.4
Fang Zhao,Zhao Yang,Yifan Xiao,Ganghua Han,Kim R. Hardie,Mark Bartlam,Yingying Wang
The stereochemistry of antibiotics significantly affects resistance development. With rising antibiotic resistance, nanotechnology is emerging as a promising solution, potentially increasing the likelihood of nanoparticle coexistence with antibiotics in wastewater treatment plants (WWTPs). However, the influence of nanoparticles on chiral antibiotics induced resistance remains unclear. This study employed chemical characterization, metagenomics, and molecular docking to comprehensively elucidate the resistance mechanisms induced by the combination of silver nanoparticles (AgNPs) and chiral antibiotics (ofloxacin: OFL and levofloxacin: LEV). AgNPs significantly altered the abundance and composition of antibiotic and metal resistance genes, as well as the conjugative transfer of the RP4 plasmid among activated sludge communities, with the OFL_AgNPs combination exhibiting a higher resistance potential than LEV_AgNPs. Mechanistic studies revealed that chiral antibiotics selectively interact with AgNPs, promoting Ag + release, enhancing antibiotic uptake, and forming stable complexes. These interactions reshaped microbial functions, including cell membrane permeability, oxidative stress response, quorum sensing, and extracellular secretion, thereby shaping resistance profiles. This study reveals previously overlooked enantiomer-specific risks associated with nanoparticle-antibiotic interactions and provides a foundation for strategies to mitigate ARG dissemination in wastewater treatment and broader environmental systems.
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PubMed
高影响因子
Advanced Energy Materials
·
2025
·
IF 26
Xinrui He,Hailong Sun,Peifeng Yu,Hezhang Li,Zezhan Zhang,Yi Niu,Jing Jiang,Chao Wang
Thermoelectric devices have garnered significant interest but face limitations due to their reliance on external equipment and relatively low energy density for energy storage. This study introduces an innovative integrated device that achieves both the function of thermoelectric conversion and energy storage within a single unit through a precipitation-driven Thermogalvanic effect. Strikingly, both the thermoelectric (P max = 3.51 W m −2 ) and electrochemical (E = 459 J m −2 , surpasses the reported highest value by 132%) performances are excellent. Furthermore, a large-area prototype module comprising 32 units manifests an open circuit voltage of 1.7 V and exhibits an energy density of 463.9 J m −2 . This work provides an innovative and effective approach to the high-performance recycling system of thermoelectric conversion and energy storage integrated devices.
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ACS Applied Electronic Materials
·
2025
·
IF 4.7
Yinyin Song,Zida Zheng,Dianyi Liu
Inorganic metal chalcogenides, such as Ag2S, are well-known for their high absorption coefficient, high carrier concentration, and excellent carrier transport properties. Ag2S exhibits strong light absorption spanning from ultraviolet (UV) to near infrared (NIR), making it highly promising for photoelectric applications. In this study, Ag2S thin films with good crystallinity and near-stoichiometric composition were prepared via the thermal evaporation process. These films demonstrated high absorption coefficient, excellent carrier mobility and high carrier concentration. The Ag2S-based photodetector was prepared and exhibited a broadband photoresponse ranging from 350 to 1200 nm, covering both UV and NIR regions. The semitransparent Ag2S photodetector was further developed and employed to consrtuct a high-resolution wavelength recognition system. Experimental results revealed an impressive wavelength measurement resolution of 1 nm, highlighting its potential for integration into miniature spectrometers.
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MACROMOLECULES
·
2024
·
IF 5.1
Meiying Ge,Yonggui Li,Lixin Wu,Ren Liu,Jia-Tao Miao
Fabricating biobased flexible polymers with high toughness and self-healing ability will promote sustainable development of the fast-growing flexible electronic industry. Herein, a biobased allyl compound (BAMDB) with boronic ester bonds was synthesized from renewable eugenol and then combined with multifunctional thiol via thiol–ene “click” photopolymerization to form a series of flexible networks (BAMDB-SH). Their integrated performance, including thermal, optical, and mechanical properties as well as self-healing behavior, was studied. Their glass transition temperature ranged from 42 to 55 °C and showed high transparency (88.2–89.3% at 550 nm). At the same time, BAMDB-SH3 has the most excellent comprehensive mechanical properties with a tensile strength, an elongation at break, and a toughness of 29.8 MPa, 194.3%, and 35.3 MJ m–3, respectively, owing to its rigid-soft network structure with appropriate cross-linking density. Depending on the dynamic exchange of boronic ester bonds, BAMDB-SH3 networks could be healed in 30 min at 80 °C with a high self-healing efficiency of 98%. In addition, based on the excellent comprehensive performance and self-healing properties of BAMDB-SH3, it was used to prepare a sandwich sensor by integrated encapsulation of silver nanowires for wrist activity detection, demonstrating the potential applications of BAMDB-SH in flexible devices.
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STARCH-STARKE
·
2025
·
IF 2.7
Qin Chen,Xingyu Chen,Shiqing Song,Lingyun Yao,Huatian Wang,Di Zhao,Min Sun,Qian Liu,Chuang Yu,Tao Feng
High concentrations of pigment powders present significant challenges for dispersion stability in cosmetic formulations, the dispersion of iron oxide yellow paste may lead to flocculation, reducing its stability. This study employed octenyl succinate starch (OSA starch) and Arabic gum (AG) as composite wall materials to encapsulate iron oxide yellow and to optimize the dispersion system for water-soluble pigment powders. Transmission electron microscopy (TEM) and scanning electron microscopy (SEM) confirmed the formation of a well-structured microcapsule, significantly smaller than the original iron oxide yellow particles. Accelerated stability tests indicated that the microcapsule structure enhanced system stability, with improved performance observed at higher OAF solution concentrations. The contact angle measurements, which were consistently below 90°, demonstrated that the microcapsule structure enhanced the wettability and hydrophilicity of the OAF solution, thereby improving skin adhesion. The encapsulation of iron oxide yellow using OSA starch and AG underscores the potential application of natural hydrocolloids and modified starches in the cosmetics industry.
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Fishes
·
2025
·Vol. 10
·期 1
·29
·
IF 2.4
Yunqiang Guo,Chaoli Zheng,Yingfei Wang,Yongji Dang,Ruiyuan Li,Ye Tao,Yucheng Yang,Xiaofeng Sun,Zekun Song,Pengcheng Sun,Qian Zhang,Dandan Qian,Wenhao Ren,Xiyu Cao,Bowen Wang,Mengxi Xu,Bingyang Jiang,Yujing Li,Qing Sun,Jinye Wang,Lei Zheng,Yanling Sun
Aeromonasspecies are among the main pathogens causing rainbow trout infections. Silver nanoparticles (AgNPs) have a broad spectrum of antimicrobial properties and are usually produced by various green-synthesis methods. However, the application of commercialized AgNPs has not fully been clarified. Thus, the objective of this study was to evaluate the antibacterial activities of commercialized AgNPs (range of sizes 10–12 nm) on two contrastingA.salmonicidastrains (I-1 and I-4), isolated from rainbow trout; the antibacterial mechanism, histopathological alterations and the expression of immune-related genes were investigated. In vitro, the minimal inhibitory concentration (MIC) was 10 µg/mL for I-1, and lowered to 9.5 µg/mL for I-4, respectively. AgNPs were shown to disrupt both the cell wall and membrane of I-1 and I-4, resulting in cell lysis and degradation. In vivo, rainbow trout challenged by immersed or intraperitoneally injected infection, the 10 µg/mL AgNP-treated groups, both showed delayed deaths and lower mortalities compared to the control groups, without any clinical signs and pathological changes. Especially for the virulent I-4, the enhanced expressions of immune-related genes TNF-α, IL-1β, IL-10 and IL-11 were significantly reduced in the AgNP-treated group, indicating a lesser inflammation due to the application of AgNPs. This study would lay theoretical foundation for the wide application of silver nanoparticles in fish diseases.
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ACS Applied Materials & Interfaces
·
2024
·
IF 8.3
Abdul Basit,Tanveer Hussain,Xin Li,Jiwu Xin,Bin Zhang,Xiaoyuan Zhou,Guoyu Wang,Ji-Yan Dai
Being a major obstacle, Ag2Te has always been restricted in p-type AgSbTe2-based materials to improve their thermoelectric performance. This work reveals a stabilized AgSbTe2 through Sn/Ge alloying as synthesized by melting, annealing, and hot press. Interestingly, addition of Sn/Ge in AgSbTe2 extended the solubility limit up to ∼30% and hence suppressed Ag2Te in Ag(1–x)SnxSb(1–y)GeyTe2 compounds and led to enhanced electrical transport. Moreover, electrical and thermal transport properties of AgSbTe2 have been greatly affected by the phase transition of Ag2Te near 425 K. However, high-entropy Ag0.85Sn0.15Sb0.85Ge0.15Te2 compound results in a stabilized rock-salt structure and presents a high power factor of ∼10.8 μW cm–1 K–2 at 757 K. Besides, density functional theory reveals that available multivalence bands in Sn/Ge-doped AgSbTe2 lead to reduction in energy offsets. Meanwhile, a variety of defects appear in the Ag0.85Sn0.15Sb0.85Ge0.15Te2 sample due to entropy change, and thus lattice thermal conductivity decreases. Ultimately, a high figure of merit of ∼1.5 is attained at 757 K. This work demonstrates a roadmap for other group IV–VI materials so that the high-entropy approach may inhibit the impurity phases with extended solubility limit and result in high thermoelectric performance.
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ADVANCED FUNCTIONAL MATERIALS
·
2025
·
IF 19
Fapeng Sun,Wei Liu
2D ionic-electronic coupled materials, offering mobile ions as an additional degree of freedom, open new avenues for device functionality beyond traditional electronic systems. However, harnessing ionic-electronic interactions to achieve broadband photodetection remains unexplored. Here, a van der Waals ionic-electronic semiconductor is reported that exhibits an ultrahigh and anisotropic temperature coefficient of resistance (TCR) of −7.29% °C −1 , which is attributed to its high ionic activation energy. Leveraging both photoelectric and bolometric effects, AIPSe enables dual-mode photodetection across the visible to near-infrared range. Through device engineering with asymmetric Schottky contacts and ionic migration modulation, photodiodes with an ultrahigh rectification ratio of ≈108 and bias-tunable dual-mode operation: photovoltaic detection with a responsivity of 0.385 A W −1 at 532 nm, and bolometric sensing with 0.486 A W −1 at 1550 nm is achieved. These devices demonstrate spectral self-recognition, secure dual-band optical communication, and multi-wavelength imaging capabilities. The work establishes ionic-electronic correlated transport in 2D materials as a new paradigm for beyond-bandgap optoelectronic technologies.
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Asia-Pacific Journal of Chemical Engineering
·
2024
·
IF 1.4
Jiajia Zhang,Xueni Sun,Hui Shao
The lowered dispersibility of carboxylic acid polymers in the seawater system with high salt content results in reduced scale inhibition efficiency. To solve this problem, a series of carboxylic acid polymers containing ether groups were prepared by free radical polymerization using α-allyl glycerol ether (AG) and vinyl monomers containing different numbers of carboxylic acid groups (acrylic acid [AA], maleic acid [MA], itaconic acid [IA], and aconitic acid [ANA]) as raw materials, and their scale inhibition properties in artificial seawater were studied. The static test results demonstrate that IA-AG outperforms the other three polymers containing ether carboxylic acid in terms of scale inhibition performance, with CaCO 3 and CaSO 4 having scale inhibition rates of 95.16% and 98.73%, respectively. Furthermore, molecular dynamics (MD) simulation was employed to investigate the mechanism of scale inhibition by simulating the interaction between ether carboxylic acid polymers and the crystal surface. The results show that the order of binding energy between polymers and crystal faces is IA-AG > ANA-AG > MA-AG > AA-AG. The simulation results are in agreement with the experimental phenomena. The polymers can overcome their own deformation and adsorb on the crystal surfaces, thus inhibiting the growth of scale.
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CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Lefan Li,Tuanzhang Li,Pengfei Zhao,Jingyuan Guo,Chengpeng Li,Zhang Hu,Sidong Li,Chengyong Li
Continuous steam generation is still challenging for existing solar-powered interfacial evaporation systems due to insufficient sunlight exposure in overcast day and time from late afternoon to early morning. Here, we present a novel solar-afterglow driven interfacial evaporation system that leverages the effective absorption and thermal conversion stemming from the afterglow of strontium aluminate (SAO) and photothermal effects of the multi-walled carbon nanotubes/silver/polyacrylamide (MWCNTs/Ag/PAM). In virtue of these synergetic effects, this system demonstrates an evaporation rate of 2.91 kg·m −2 ·h −1 under one sun (1 kW m −2 ) in the daytime and an enhanced evaporation capacity of 5.61 kg·m −2 under SAO-induced afterglow overnight. This innovative strategy significantly broadens the utilizing solar energy and emitted fluorescence for continuous interfacial evaporation in seawater desalination.
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ADVANCED FUNCTIONAL MATERIALS
·
2024
·
IF 18.5
Weichen Zhao,Qihang Ding,Bingshuai Zhou,Jia Liu,Yujia Shi,Chengyu Liu,Chunyan Li,Biao Dong,Manlin Qi,Jong Seung Kim,Lin Wang
Sonodynamic therapy (SDT) is promising for combating deep-seated infectious diseases by generating substantial reactive oxygen species (ROS) through the profound tissue penetration capabilities of ultrasound. However, the compact protective structures of bacterial biofilms present a formidable challenge, impeding ROS efficacy. Given that ROS have a limited diffusion range and current sonosensitizers struggle to infiltrate biofilms, complete eradication of pathogenic bacteria often remains unachieved. In this study, mesoporous titanium dioxide (TiO 2 ) nanoparticles are engineered asymmetrically coated with a thin layer of Ag and loaded with L-arginine (LA) to construct ultrasound-propelled nanomotors. These Ag-TiO 2 -LA Janus nanoparticles demonstrate robust self-propulsion upon ultrasonic activation, allowing for deeper penetration into biofilm matrices and enhancing localized biofilm disruption through improved SDT outcomes. Additionally, the incorporation of Ag not only broadens TiO 2 ’s absorption spectrum but also confers photothermal capabilities upon NIR laser excitation at 808 nm. The Ag-TiO 2 -LA nanomotor amalgamates TiO 2 ’s sonodynamic potential with Ag's photothermal properties, forging a versatile antimicrobial agent capable of efficient biofilm penetration and a synergistic antibacterial effect when subjected to dual NIR and ultrasound stimuli. This innovative, singularly-structured nanoparticle stands out as an effective combatant against bacterial biofilms and accelerates the healing process of infected wounds, showcasing potential for multifaceted clinical applications.
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ADVANCED FUNCTIONAL MATERIALS
·
2025
·
IF 19
Bingqin Li,Liangxing Jiang,Nan Xiao,Siliang Liu,Yang Lu,Huan Zhang,Zongliang Zhang,Fangyang Liu
The existing lithium extraction technologies from salt lakes are confronted with a number of challenges, including limited applicability to brines with elevated Mg/Li ratios and low overall lithium recovery rates. Therefore, it is crucial to develop direct lithium extraction technologies tailored to pristine brines. The core challenge in lithium extraction lies in the effective separation of magnesium and lithium. However, conventional methods struggle to efficiently separate Mg 2+ and Li + in a single-stage process. Lithium superionic conductors, such as Li 1.3 Al 0.3 Ti 1.7 (PO 4 ) 3 (LATP), are capable of exploiting their internal lithium ion vacancies to enhance the kinetic transport disparity between Mg 2+ and Li + , thus enabling efficient separation. By employing a high-temperature diffusion technique to introduce Ag + into the interstitial sites of the LATP lattice, the local positive charge density around Ag + is increased. This raises the migration barrier for Mg 2+ within the LATP, significantly improving the Li–Mg separation performance, with a notable long-term separation coefficient exceeding 25 000. Using 2% Ag-doped LATP, battery-grade Li 2 CO 3 with a purity of 99.7% can be produced directly from pristine salt lake brine with a Mg/Li ratio of 500 through a single-stage separation process.
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