BIORESOURCE TECHNOLOGY
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2026
·
IF 8.2
Jing Yao,Hong Yan,Junli Xu,Yao Zhang,Qing Zhou,Rana R. Neiber,Xingmei Lu,Dongxia Yan,Fubao Sun,Yi Li,Jiayu Xin
Photothermal pretreatment of corn stalk at low temperature was developed. • 84.68% cellulose retention and 83.03% lignin removal were achieved at 80 ℃, 4 h. • Photothermal synergistic strategy enhanced the separation of cellulose and lignin in corn stalk pretreatment. Efficient fractionation of lignocellulosic components is essential for sustainable biomass valorization. Herein, a visible-light-assisted ionic liquid (IL) composite system composed of 30% 2-hydroxy-N-(2-hydroxyethyl)- N -methylethanaminium methanesulfonate ([BHEM]mesy) and 70% ethylene glycol, containing 0.1 wt% photocatalyst g-C 3 N 4 , was developed to achieve low temperature photothermal fractionation of corn stalk. The IL provides protonic sites and hydrogen-bonding capability for lignin solubilization, while the dispersed photocatalyst absorbs light energy to accelerate mass transfer and enhance solvation selectivity between lignin and cellulose. Under the optimized conditions (80 ℃, 4 h), 83.03% of lignin is removed while 84.68% of cellulose is retained. The regenerated lignin exhibits reduced molecular weight, while the purified cellulose phase enables aerogel fabrication. Compared to conventional hydrothermal pretreatment, visible-light coupling enhances the pretreatment process. Reduces the reaction temperature and maintains cellulose crystallinity, confirming its superior pretreatment efficiency. This study establishes an integrated photothermal biomass fractionation strategy that offers a novel and highly efficient method for biomass utilization. Download: Download high-res image (124KB) Download: Download full-size image
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ACS Applied Materials & Interfaces
·
2026
·
IF 7.8
Lin Liu,Qian He,Yaowu Zhang,Hongyue Jiang,Shi Liu,Zhigang Xie,Wenjing Tian,Liyun Zhang,Bin Xu
Psoriasis exhibits limited response to monotherapy, and customized combination strategies for synergistic treatment are constrained by skin permeability and insufficient control of drug activation. This study proposes a dissolving microneedle (MN) platform that integrates photodynamic therapy and chemotherapy for synergistic psoriasis treatment. The platform utilizes high-precision projection microstereolithography (PμSL) combined with a template replication strategy, coloading methotrexate (MTX) and a novel photosensitizer, 8-Phenyl-2,6-diiodo-1,3,5,7-tetramethyl BODIPY (I-BDP), into a poly(vinylpyrrolidone) (PVP) matrix to construct MTX/I-BDP@PVP MNs. The MNs efficiently penetrate the stratum corneum, enabling precise drug delivery to the lesion site, which matches the optimal penetration depth of green light. Upon green-light irradiation, I-BDP generates reactive oxygen species, synergizing with MTX to suppress keratinocyte hyperproliferation and induce apoptosis in HaCaT cells, with an apoptosis rate of 82.4%. The spatially confined activation minimizes off-target damage to healthy tissue. This synergistic MN platform offers a safe, controllable, and effective strategy for the treatment of psoriasis and other inflammatory skin diseases.
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Virtual and Physical Prototyping
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2026
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IF 9.8
Tongqing Li,Zhiyu Tian,Chun Li,Chak-Yin Tang,Gary Chi-Pong Tsui
Developing soft actuators that mimic biological motion remains a key objective in robotics. However, the conventional multi-material 4D printing method is often susceptible to interfacial delamination and exhibits limited actuation performance. This study introduces a novel 4D gradient printing approach using direct ink writing (DIW) to fabricate composite actuators. A DIW-printable multi-walled carbon nanotube (MWCNT)/poly(N-isopropylacrylamide) (PNIPAm) composite ink was formulated by sodium alginate (SA) for rheological modification and MWCNTs for photothermal actuation and mechanical reinforcements. The bilayer four-armed light-responsive composite actuators were printed by programming the crosslinker concentration layer-by-layer. Upon near-infrared (NIR) irradiation, the gradient actuators exhibited rapid and large-amplitude bending deformations. By increasing the crosslinking gradient (the difference in the crosslinker content) from 0.5 wt% to 1.5 wt%, the bending curvature increased from 0.152 mm−1 to 0.508 mm−1 while achieving rapid actuation in 7 s. Furthermore, programmable shape morphing was demonstrated through two distinct ways: (i) localised NIR irradiation of selective arms, and (ii) global exposure of the entire hybrid actuator comprising gradient and non-gradient arms. This work establishes a versatile gradient printing approach for fabricating functional 4D-printed structures, paving the way for advanced applications in soft robotics and intelligent systems.
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ACS Applied Materials & Interfaces
·
2026
·Vol. 18
·期 32
·44167-44174
·
IF 7.8
Cai Yutong,Liu Jianhua,Bai Chen,Duan Jiarui,Wang Deyin,Wang Yuhua
The crystal phase, morphology, photoluminescence properties, and practical application potentials of a new phosphor, CaLaMgTaO 6 :Cr 3+ , were investigated. The optimized phosphor exhibits intense, broad emission peaking at 815 nm upon 470 nm excitation, with an internal quantum efficiency as high as 63.1% and full width at half maximum of 171 nm. This emission originates from the 4 T 2 → 4 A 2 electronic transition of Cr 3+ ions in a weak octahedral crystal field. The emission intensity remains 60% at 378 K. Such moderate thermal stability originates from the large Stokes shift, which is further corroborated by the low activation energy of 0.20 eV. Furthermore, a near-infrared lamp was packaged via coating CaLaMgTaO 6 :Cr 3+ phosphor on a 450 nm LED chip. The prepared lamp is proven to support multiscenario applications, including clear, noninvasive vascular imaging in biological tissues and night vision imaging under dim light conditions.
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高影响因子
CHEMICAL ENGINEERING SCIENCE
·
2026
·
IF 5.1
Yinze Yang,Yan Du,Wen Yang,Yueru Yan,Yipeng Wang,Rujin Zhang,Huishan Shang,Lili Zhang,Yafei Zhao,Bing Zhang
Reasonable design core@shell heterostructures is essential for efficient photocatalytic reduction of Cr(VI) in water, as such architectures not only enhance light absorption but also facilitate light-induced charge separation and transfer. Herein, ZnIn 2 S 4 (ZIS) nanosheets were grown in situ on NiCo 2 O 4 hollow nanospheres to construct a NiCo 2 O 4 @ZIS heterostructured photocatalyst for efficient Cr(VI) reduction. The optimal 6 wt% NiCo 2 O 4 @ZIS achieves 100 % photocatalytic reduction efficiency for Cr(VI) within 10 min at pH 3, along with excellent cycling stability, outperforming pure ZIS and most previously reported ZIS-based catalysts. The improved photocatalytic activity is attributed to the unique heterostructure and composition of NiCo 2 O 4 @ZIS, where intimate interfacial contact facilitates charge separation and transfer while suppressing charge recombination. Additionally, homogeneous arrangement of ZIS nanosheets over NiCo 2 O 4 raises the quantity of active sites and enhances light harvesting. This study presents a viable strategy for constructing core@shell heterostructured photocatalysts based on ZIS toward highly efficient Cr(VI) reduction.
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MICROCHIMICA ACTA
·
2026
·Vol. 193
·期 9
·605
·
IF 5.4
Yi Gui,Wang Wenyan,Xia Qi,Xiao Liqiong,Wang Dekai,Xie Lianwu,Qin Haijiao,Guo Yaping
Early detection of aflatoxins is crucial to safeguard food safety. In this study, a new azobenzene monomer was synthesized and its photo-isomerization behavior in methanol and dimethyl sulfoxide was studied. A photo-switchable molecularly imprinted polymer (PMIP) designed for selectively recognizing aflatoxin B1 (AFB1) was fabricated via a surface imprinting technique. A dummy template, 5,7-dimethoxycoumarin was incorporated during the polymerization process. The photo-responsive behaviors of candidate monomers were systematically evaluated in methanol and dimethyl sulfoxide. The resulting PMIP was used as an extraction adsorbent for pretreatment prior to high-performance liquid chromatography-mass spectrometry analysis with its adsorption capacity could be controlled by light irradiation (365 nm and 440 nm). The method demonstrated a linear calibration interval from 50 to 1000 ng·mL⁻¹ with detection limit of 5.1 ng·mL⁻¹, and exhibited favorable binding capacity values between 90.8% and 95.4% when used for the determination of AFB1 in corn, reflecting the strong recognition affinity of PMIP toward AFB1. Graphical
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Nature Communications
·
2026
·Vol. 17
·期 1
·1865
·
IF 18.1
Ma Zhuangzhuang,Chu Weihong,Peng Qiming,Zhou Qicong,Ji Xinzhen,Lin Shuailing,Wang Jingmin,Li Xiuyong,Wang Meng,Zhang Mengyao,Zhu Dongyang,Xia Zhenghao,Wang Niannian,Yang Dongwen,Liu Ying,Han Yanbing,Lian Linyuan,Jia Mochen,Chen Xu,Zhang Jibin,Wu Di,Li Xinjian,Shan Chongxin,Wang Jianpu,Shi Zhifeng
Organic-inorganic hybrid antimony halides are emerging emitters for solution-processed light-emitting diodes. However, achieving high-efficiency electroluminescence remains challenging resulting from the non-radiative recombination within emitters and inferior charge transport within device. Here, we develop an organic cation engineering to design a carbazole-functionalized triphenyl(9-ethyl-9H-carbazol-3-yl) phosphonium (TPPEtCz + ), which enables a (TPPEtCz) 2 Sb 2 Br 8 film with good luminescence and achieves an improved charge transport within device. The TPPEtCz + facilitates strong hydrogen bonding with the [Sb 2 Br 8 ] 2− species and dichloromethane solvent, resulting in a more complete crystal restructuring, thus improving the quality of films. Moreover, non-covalent π–π interactions between carbazole moieties of (TPPEtCz) 2 Sb 2 Br 8 and benzimidazole moieties of electron-transport TPBi modify the interfacial contact that promotes electron transport and injection. Consequently, our light-emitting diodes reach a peak external quantum efficiency of 19.4% and half-lifetime of 10,190 min at 100 cd m −2 . These discoveries provide critical insights into the cation design of hybrid devices that are promising for practical applications.
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APPLIED SURFACE SCIENCE
·
2025
·
IF 6.9
Caixia Deng,Shuang Li,JiaYu Wang,Yingying Li,Jian Chen,Fenglin Tang,Xiupei Yang
Type II heterojunction photocatalysts were fabricated by compositing BiOBr with TiO 2 , with samples labeled BiOBr/TiO 2 -1 to BiOBr/TiO 2 -5 (the number denotes the mass of TiO 2 in mg used during synthesis). Among these, BiOBr/TiO 2 -2 (containing 100 mg TiO 2 ) exhibited optimal visible-light photocatalytic performance for oxytetracycline hydrochloride (OTC) degradation, achieving 94.38 % removal within 60 min. High-resolution transmission electron microscopy (HRTEM) confirmed successful composite formation through the observation of dual lattice spacings (0.28 nm for BiOBr (1 1 0) and 0.35 nm for TiO 2 ). This composite displayed a superior degradation rate constant of 0.04757 min −1 , exceeding those of pristine BiOBr and TiO 2 by factors of 2 and 14, respectively. The enhanced activity was attributed to effective charge separation enabled by the Type II heterojunction structure. Radical trapping experiments combined with electron paramagnetic resonance (EPR) analysis identified photogenerated holes (h + ) and superoxide radicals (•O 2 − ) as the dominant reactive species. HPLC–MS analysis revealed degradation intermediates, and toxicity assessment predicted progressive detoxification during the process. This study demonstrated that BiOBr/TiO 2 -2 is a stable and efficient photocatalyst with significant potential for antibiotic wastewater treatment.
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INDUSTRIAL CROPS AND PRODUCTS
·
2025
·
IF 6.2
Yaqiong Qiu,Qichao Liu,Mingzhu Qiu,Yafang Shang,Shangrong Zhu,Fengru Liu,Shike She,Shaohua Yang,Xiangli Niu
Marigold ( Tagetes species) is rich in thiophenes and efficient extraction of thiophenes is vital for their activity evaluation and utilization. In this study, ultrasonic-assisted extraction (UAE) was used to extract thiophenes from Tagetes erecta and the extraction conditions were further optimized by orthogonal experiment. The results revealed the optimal extraction condition was solid-liquid ratio (g/mL) 1:20, ultrasonic duration 50 min, and ultrasonic temperature 55 °C. Thiophenes were biosynthesized in the root tissues of three marigolds 'Juwang', 'Taishan' and 'Discovery', and the root extract of 'Juwang' at stage V (J-O-V) had the highest a-terthienyl (α-T) content of 1.809 mg/g DW. Furthermore, the inhibitory effects of root extract J‑O‑V and synthetic α-T on P. expansum , Gram‑positive bacteria ( S. epidermidis , L. monocytogenes , B. subtilis ), and Gram‑negative bacteria ( E. coli , P. syringae pv. tomato , P. syringae pv. actinidiae ) were evaluated using disk diffusion, microbroth dilution or agar dilution assays. The results demonstrated the UVA-dependent antimicrobial activity against fungi and Gram-positive bacteria, whereas weaker phototoxicity for Gram-negative bacteria. Notably, marigold root extract exhibited superior inhibitory effects over synthetic α-T at equivalent concentrations, which can be attributed to the additional thiophene derivatives (BBT, BBTOH, BBTOAc) identified by HPLC-Q-TOF/MS analysis. Additionally, all the extracts from roots of 'Juwang', 'Taishan' and 'Discovery' at stage V confirmed their marked inhibition of P. expansum on wounding inoculated tomatoes, which exhibited a dose-dependent suppression in terms of α-T, indicating the potential application of naturally obtained thiophenes in postharvest preservation. Taken together, UAE-based marigold ( Tagetes erecta ) root extraction yields plant-derived photosensitive thiophenes with high antibacterial activity to unlock promising utilizations across diverse industrial scenarios.
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DIAMOND AND RELATED MATERIALS
·
2025
·
IF 5.1
Minghua Li,Guohui Chen,Youmei Chen,Qin Zhu,Ya Yan,Lanxia Liu
Photocatalysis is widely regarded as one of the most promising and environmentally friendly approaches for formaldehyde elimination. Currently, there is an urgent need for highly efficient visible-light-driven photocatalysts. In this study, a graphite-hydroxylated multi-walled carbon nanotube (MWCNTs-OH)-modified AgInS₂ (AIS) composite, designated as MWCNTs-OH/AgInS 2 (MA), was successfully synthesized via a simple in situ low-temperature liquid-phase method. Compared to unmodified AIS, the 5 % MA composite exhibits enhanced visible-light absorption, accelerated electron transport, and significantly improved photogenerated electron-hole pair separation efficiency. Consequently, the 5 % MA demonstrates superior degradation activity for high-concentration formaldehyde (1710 ppm), achieving a degradation efficiency of 67 % after 2 h of visible-light irradiation. The incorporation of 5 % MWCNTs-OH enhances gaseous formaldehyde degradation efficiency by 28 %, regardless of whether a 420 nm cutoff filter is used. Additionally, the 5 % MA photocatalyst shows excellent recyclability and stability during prolonged photocatalytic tests. Mechanism studies based on spectroscopic, electrochemical, and active species analyses reveal the pathway for MA-mediated visible-light photocatalytic formaldehyde degradation. This work provides a practical strategy for designing efficient and environmentally benign photocatalysts for formaldehyde removal.
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PHYSICA SCRIPTA
·
2021
·Vol. 96
·期 5
·055806
·
IF 2.487
Muhammad Wasim Khan,Sana Ullah Asif,Fahim Ahmed,Ata-ur Rehman,A R Makhdoom,Ehsan Ullah Khan
Fe2O3/g-CN heterojunction composites were successfully fabricated by a simple calcinations method using iron chloride and urea as precursors. A specific amount of Fe2O3 was incorporated on the surface of g-CN and calcinated at 400, 450, and 500 °C to obtain series of Fe2O3/g-CN (400(1), 450(2), 500(3) °C) composites. Characterization techniques were applied to measure the optical activities of Fe/CNx composites. The Fe/CN(2) sample showed a significant enhancement in the separation of photo-generated carriers under visible light due to the Fe coordination within g-CN. The composites were utilized for the first time along with parent g-CN sample for the evolution of H2 source by water splitting experiment, as well as and for photodegradation of MB under visible light illumination (λ = 420 nm). Results demonstrate that Fe/CN(2) samples exhibit a remarkable photocatalytic performance in both electron generation (HER) and holes formation, i.e. good degradation performance and as such, the corresponding degradation rate of the superior sample is 91.4 % at 60 min. Moreover, the reusability tests of Fe/CNx composites at different temperatures confirm good degradation performance and have excellent photochemical stability in terms of hydrogen evolution and removal of pollutants, respectively. With experimental results, a possible photocatalytic mechanism of Fe/CN(2) composite has been exceeded to describe the whole phenomena of photocatalysis.
研究领域:
材料科学
·
环境科学
·
能源科学
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CHEMICAL PHYSICS LETTERS
·
2020
·
IF 2.029
Xiaoya Bu,Yan-gai Liu,Baochen Wang,Ruiyu Mi,Ziyao Wang,Zhaohui Huang
The Eu 2+ activated Ca 8 ZnGd(PO 4 ) 7 :Eu 2+ green light emitting phosphors and Eu 2+ /Mn 2+ co-doped tunable light emitting phosphors Ca 8 ZnGd(PO 4 ) 7 :Eu 2+ ,Mn 2+ were successfully synthesized via the solid-state reaction method. The X-ray powder diffraction measurements and Rietveld refinement were used to assess the phase composite and crystal structure. The photoluminescence properties, diffuse reflection spectrum, chromaticity coordinates and fluorescence decay curves of the samples were investigated. It has been confirmed that the resonant type Eu 2+ →Mn 2+ energy transfer occurs via a dipole-quadrupole interaction. With various Eu 2+ /Mn 2+ molar ratios, the spectrum-tunable phosphors are obtained from green (0.183, 0.335) to white (0.297, 0.298).
研究领域:
材料科学
·
光学
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危险品化学品经营许可证（带存储）