ACS Applied Nano Materials
·
2026
·
IF 5.8
Chen Xiangxiang,Liu Zihui,Ding Guoxin
To meet the demand for high-efficiency electromagnetic
wave absorbing
materials, this work presents a ternary nanoscale composite with a
glass microsphere@NiFe 2 O 4 @PANI (GM@NiFe 2 O 4 @PANI) core–shell architecture. The fabrication
employs a strategy that combines interfacial cooperation with morphological
inheritance. XRD and XPS analyses confirmed the formation of spinel
nickel ferrite (NiFe 2 O 4 ) as the dominant phase,
with a minor amount of coexisting NiO, and a successful polyaniline
(PANI) coating. SEM revealed that NiFe 2 O 4 inherits
the nanoflower-like morphology of its NiFe-LDH precursor, with ultrathin
nanosheets uniformly anchored on the glass microsphere surfaces. The
incorporation of PANI preserves this nanoscale porous structure while
introducing additional heterojunction interfaces. The optimized GNFOP-6
composite achieves ideal impedance matching at a thickness of 2.35
mm, delivering an exceptional minimum reflection loss of −68.35
dB and a broad effective absorption bandwidth of 6.40 GHz. The nanoflower-like
NiFe 2 O 4 enhances magnetic loss through natural
resonance and promotes multiple scattering via its nanoscale porous
architecture. Meanwhile, the conductive PANI shell contributes to
attenuation through conduction loss and dipole polarization. By synergistically
optimizing dielectric and magnetic losses, this nanoscale core–shell
design shows strong potential for electromagnetic protection in advanced
communication systems and radar stealth.
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JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
·
2026
·Vol. 74
·期 31
·24501-24512
·
IF 6.7
Xie Sikui,He Yu-Cai
Lignocellulosic biomass, which consists primarily of
cellulose,
hemicellulose, and lignin, is a promising renewable feedstock for
producing high-value biobased amines. In this study, an integrated
chemobiocatalytic strategy was developed to synthesize furfurylamine
from corncob using a newly formulated deep eutectic solvent, [Bet][FA][LA],
that provides both catalytic and solubilizing functions. Under optimized
conditions, corncob was efficiently converted into furfural, which
was subsequently aminated by recombinant Escherichia coli BM-AlaDH coexpressing an ω-transaminase
and alanine dehydrogenase. The whole-cell catalyst enabled in situ
regeneration of L -alanine, thereby reducing amine-donor
requirements and improving biocatalytic efficiency. Integration of
[Bet][FA][LA]-mediated chemocatalysis with whole-cell biocatalysis
converted corncob into furfurylamine in [Bet][FA][LA]. The biocatalytic
amination system could convert biomass-derived 5-hydroxymethylfurfural
(320 mM) and vanillin (20 mM) into the corresponding amines in yields
of 95.4% and 91.0%, respectively. This work establishes a sustainable
route for converting lignocellulose-derived aldehydes into value-added
biobased amines and advances the comprehensive valorization of lignocellulosic
biomass.
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ACS Applied Polymer Materials
·
2026
·Vol. 8
·期 15
·13334-13345
·
IF 5.2
Lin Min,Chen Xucong,Tian Yuting,Zhu Dandan,Wang Xinling
High-performance underwater adhesives are essential for
marine
engineering. But their application is hindered by hydration layer
interference, poor durability, and organic solvent pollution. In this
work, the reactive deep eutectic solvent (DES) was formed via intermolecular
hydrogen bonding reactions between thiourea and trioctylmethylammonium
chloride (TOMAC), providing a mild and green strategy to introduce
thiourea into the polyurethane (Thiourea-PU) adhesive. Thiourea functions
as a “polar hydrophobic” hydrogen-bonding motif, which
is beneficial to underwater adhesion. On the other hand, by utilizing
the reaction between isocyanate groups and water molecules, Thiourea-PU
adhesive disrupted the hydration layer and enhanced cohesive strength.
It exhibited strong underwater adhesion on various substrates, reaching
a maximum strength of 7.88 MPa on steel. And its strength can retain
90% of the maximum value after 6 months of water immersion. Meanwhile,
Thiourea-PU adhesive exhibited outstanding stability in harsh environments
(e.g., simulated seawater, acidic, and alkaline conditions). The incorporation
of TOMAC endowed the adhesive with extremely high antibacterial efficacy
(≥99.9999%). This work provides a reactive DES strategy for
the fabrication of high-performance Thiourea-PU underwater adhesive
with excellent durability, strong adhesion, complex environment resistance,
and antibacterial property, holding broad application potential.
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LANGMUIR
·
2026
·Vol. 42
·期 30
·22338-22349
·
IF 4.4
Gao Xing,Xiang Yan,Guo Wenjun,Xu Tao,Wang Zhoujie,Xu Longhua,Sun Wei,Xie Lei
Hetero-aggregation between serpentine and sulfide minerals
represents
a persistent challenge in the efficient recovery of valuable metals
from complex ores, while most existing depressants suffer from limited
selectivity, insufficient suppression efficiency, or environmental
and toxicity concerns, restricting their application in sustainable
mineral processing. Herein, we report for the first time the use of
a phosphorylated nanocellulose biopolymer as a highly selective and
environmentally benign depressant to overcome serpentine-induced interference
in sulfide flotation, and elucidate the selective depression and interfacial
mechanism. Phosphorylated cellulose nanofibers (P-CNF) and phosphorylated
cellulose nanocrystals (P-CNC) were synthesized by introducing phosphate
functional groups, resulting in a marked enhancement in pyrite flotation
performance, with recoveries exceeding 88.0% and reaching 89.6% for
P-CNF. The exceptional separation efficiency arises from the highly
selective adsorption of phosphorylated cellulose on the serpentine
MgOH plane, with a surface coverage of 96.32% on serpentine compared
to only 0.28% on the pyrite surface. This pronounced selectivity induced
a reversal of the serpentine surface charge, thereby transforming
pyrite–serpentine interactions from electrostatic attraction
to strong repulsion. Force-resolved atomic force microscopy measurements
provided direct nanoscale evidence for this transition, revealing
a dramatic reduction in adhesion forces from ∼9.81 mN m –1 to ∼1.25 mN m –1 (P-CNC)
and ∼0.10 mN m –1 (P-CNF). Moreover, phosphorylated
nanocellulose promoted the flocculation of fine serpentine particles
via polymer-bridging effects, leading to the enlarged aggregates and
effective suppression of mechanical entrainment. This work establishes
phosphorylated nanocellulose as a novel green depressant platform
and provides molecular insights into interfacial interactions governing
complex mineral separation, thereby enabling the rational design of
sustainable reagents and advancing resource-efficient environmentally
interfacial responsible mineral processing.
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ACS Sensors
·
2026
·
IF 10.9
Chen Zhenghan,Song Zijie,Zhou Tingting,Sui Ning,Zhang Tong
Due to its broad-spectrum sterilization ability, glutaraldehyde is widely used for sterilizing medical devices. However, a certain concentration of glutaraldehyde gas in the air can cause harm to the health of medical staff and patients. Due to the long-chain nature of glutaraldehyde and the interference of humidity in the detection environment, its detection is challenging. In this study, octadecahedral BiVO 4 (Octad-BiVO 4 ) with multiple crystal facets was synthesized through crystal facet engineering. Compared with other structures of BiVO 4 , this structure simultaneously achieved the dual effects of active site enrichment and humidity interference suppression, enabling the Octad-BiVO 4 glutaraldehyde gas sensor to exhibit excellent gas sensing performance even under humidity conditions close to those of actual indoor applications. Through XPS, dangling bond calculations and density functional theory calculations, the differences in oxygen vacancies, unsaturated coordinating atoms, and adsorption energy for glutaraldehyde among different crystal facets were revealed. It confirmed the influence of crystal facet engineering on gas sensing performance. Additionally, this work also designed a portable monitoring circuit system for glutaraldehyde, which can not only provide real-time concentration alarms for glutaraldehyde but also transmit information via Bluetooth to the terminal. This work provides a new strategy for detecting trace amounts of glutaraldehyde gas under humid conditions.
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Small
·
2026
·
IF 11.8
Donghe Sun,Wenyi Guo,Shuyu Li,Yixuan Li,Xingyu Wei,Yuanyuan Li,Zhaoyue Liu
2D nanofluidic membranes stacked from boron nitride (BN) nanosheets represent a highly promising candidate for osmotic energy harvesting. However, achieving a high ion flux through BN membranes while maintaining their inherent ion selectivity still remains a challenge. Herein, a layer-by-layer (LBL) assembly strategy was employed to fabricate BN-nanosheet/Cu(OH) 2 -nanowire alternately stacked membranes. After etching the sacrificial Cu(OH) 2 nanowire templates, a hierarchical nanochannel architecture composed of nanowire-templated and BN-interlayer-formed nanochannels was crafted within BN membranes. These hierarchical nanochannels increased the short-circuit current of the BN membrane by 44% without obviously compromising its inherent selectivity. Consequently, the BN membrane with hierarchical nanochannels achieved an output power density of 6.95 W/m 2 under a 0.01/0.5 m KCl, which was approximately 37% higher than that of the pristine BN membranes. The crafted hierarchical nanochannels surpass the majority of BN-based 2D nanofluidic membranes reported to date, while also demonstrating excellent long-term stability. A tandem stack consisting of 20 membranes with hierarchical nanochannels produces an output voltage of 1.6 V, demonstrated the capability to power electronic devices directly.
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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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LANGMUIR
·
2026
·Vol. 42
·期 28
·20126-20142
·
IF 4.4
Xiang Xinyue,Wang Yaning,Shi Xincui,Zhou Chen,Zou Chenyang
Water-based anticorrosion coatings offer advantages such
as low
volatile organic compound emissions and sustainable processing. However,
their inherent hydrophilicity and tendency to form microcracks limit
their long-term barrier performance. In this study, we developed a
water-based polyaniline based smart coating, PD@PANI/P-PVA, by encapsulating
photothermal-responsive polydopamine nanoparticles and fluorescent
indicators in PANI-shell microcapsules. This coating provides both
active corrosion protection and real-time damage visualization. We
systematically investigated the effects of the microcapsule contents
on the coating’s dispersion and anticorrosion performance.
The results showed that the dispersion of PANI in the aqueous system
was significantly improved with the incorporation of poly(vinyl alcohol)
and polystyrenesulfonate. Due to the corrosion inhibition effects
of polyaniline and polydopamine, the coating containing 1 wt % PD@PANI/P-PVA
exhibited enhanced anticorrosion performance. After 20 days of immersion,
its impedance modulus was 2 orders of magnitude higher than that of
the blank coating. By utilizing the synergistic photothermal effect
between polyaniline and polydopamine, the PD@PANI/P-PVA coating showed
a significant temperature increase after 10 min of UV irradiation,
indicating its potential for photothermal-assisted defect repair and
triggered release behavior. These results suggest a preliminary self-healing
capability and stimulus-responsive functionality rather than fully
validated autonomous healing. These coatings exhibit broad potential
for applications in fields such as shipping and construction. Future
work could focus on further improving their photothermal response
efficiency and long-term environmental stability, thereby advancing
their engineering applications in highly corrosive environments.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2026
·
IF 8.7
Congteng Li,Yifan Liu,Xue Tian,Xin Dong,Qichao Ma,Kunyang Liu,Jinliang Zhu,Yuehe Gu,Yudong Li,Chengyu Wang,Haiyue Yang
Room temperature phosphorescent (RTP) hydrogels have garnered extensive attraction owing to their distinctive optical properties, low toxicity and cost-effectiveness. However, achieving efficient and long-lived afterglow emission in hydrogel systems remains a formidable challenge due to the severe quenching of triplet excitons by water molecules. Herein, taking inspiration from stimuli-responsive luminescent behavior of jellyfish, we propose a solvent exchange strategy to construct a cellulose-based RTP gel with polyethylene glycol (PEG)-induced phosphorescent behavior. Specifically, a cellulose/polyvinyl alcohol (PVA) double-network hydrogel system was constructed to confine carbon dots (CDs) within a rigid matrix, which preliminarily enabled phosphorescence emission. Driven by phase separation induced by PEG, the resulting gel with ultra-strong hydrogen-bonded networks exhibits green RTP emission with an extended lifetime of 255.55 ms and a tensile strength of 3.79 MPa, representing 370-fold and 17-fold enhancements, respectively, compared to the gel prepared using water as the solvent. Furthermore, the phosphorescent properties of the gel can be tuned by adjusting the molecular weight of PEG. Taking advantage of these properties, the cellulose-based RTP gels were further fabricated into various luminescent materials, which exhibited promising potential for information encryption and advanced anti-counterfeiting applications. A cellulose-based room temperature phosphorescent gel with ultra-strong hydrogen-bonded networks is developed through PEG-induced phase separation. The RTP gel exhibits enhanced phosphorescence lifetime of 255.55 ms and a tensile strength of 3.79 MPa, making it a promising candidate for advanced anti-counterfeiting applications. Download: Download high-res image (245KB) Download: Download full-size image
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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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CHEMICAL ENGINEERING JOURNAL
·
2026
·
IF 12.5
Hongyang Liu,Tiancheng Gao,Jian Zhang,Xin Cheng,Zheng Xing,Lina Li,Haina Bai
Constructed MOF-in-LDHs to regulate morphology and anchor active sites. • Ternary metal redox cycles coupled with ETP boosted PMS activation. • Ion resistance and cycling stability enable continuous-flow application. Although the development of catalysts with high activity and stability is still a major problem, advanced oxidation processes based on peroxymonosulfate (PMS-AOPs) show promise for the degradation of antibiotics. In this work, FeCu-LDH with an initial fish-scale embroidered spherical morphology was reconstructed during ZIF-67 growth, forming a unique 3D structure with ZIF-67 nanoparticles confined on lamellar substrates. This structure not only provides ideal anchoring sites for ZIF-67 but also alleviates its self-agglomeration and metal ion leaching via spatial confinement. Under optimized conditions, 2 mg of the catalyst achieved 95.12% norfloxacin (NOR) removal within 30 min; positively charged LDHs stabilized negatively charged PMS, while ZIF-67 Co sites triggered the continual production of reactive oxygen species (ROS). DFT calculations showed ZIF-67/FeCu-LDH efficiently activates PMS by enhancing adsorption and interfacial electron transfer. A continuous-flow reactor with this catalyst maintained >90% NOR removal for 8 h, showing good practical potential. Quenching experiments and EPR confirmed SO 4 ·- , ·OH, ·O 2 − and 1 O 2 generation; electrochemical tests verified the participation of type III electron transfer pathway (ETP(III)), with radical-non-radical coupling promoting NOR degradation. Mechanistically, FeCu-LDH lamellar confinement enhances Fe/Cu/Co redox cycles and accelerates electron transfer, supplying sufficient electrons for PMS activation. This study proposes a potential method for designing MOF-in-LDHs composites, providing a reference for the treatment of water contaminated by antibiotics.
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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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