CHEMICAL ENGINEERING JOURNAL
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2025
·
IF 13.2
Dongcheng Wu,Wenjie Yan,Xin Zhang,Jicai Zhang,Ting Liu,Zenghui Qiu,Yangqi Zhang,Xinmiao Liu,Shuwei Zhang,Haijun Xu
The induction electrode plays a critical role in determining triboelectric nanogenerator (TENG) performance through electrostatic induction. However, traditional fabrication methods involving metal tape adhesion face inherent limitations: i. The adhesive layer increases induction distance (which is inversely proportional to maximum surface charge density), consequently reducing output; ii. Their susceptibility to inelastic deformation prevents reliable operation under flexible/elastic strain required by wearable devices. To address these challenges, we developed a novel in-situ photocatalytic method for synthesizing silver nanoparticle (AgNPs) electrodes. Achievable even with ambient sunlight, this simple synthesis process can be accelerated to 1 min using high-power illumination. This method eliminates the adhesive layer required by traditional electrodes, enabling exceptional flexibility, stability, and adaptability. Free from expensive instruments, our low-cost method achieves 187 % enhanced output over traditional electrodes, rivaling magnetron-sputtered electrodes. The AgNPs electrode hybridized with minimal silver nanowires (AgNWs) exhibits superior resistance stability compared to the pure AgNWs electrode, using only 2.5 % AgNWs nano-material. Benefiting from the structural merits of AgNPs and their hybrid architecture, the developed electrodes achieve good flexibility and elastic strain performance. These advancements demonstrate the high potential of AgNPs induction electrodes for high-performance TENGs and wearable applications.
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PeerJ
·
2018
·
IF 2.118
Faheem Afzal Shah,Jun Ni,Jing Chen,Qiaojian Wang,Wenbo Liu,Xue Chen,Caiguo Tang,Songling Fu,Lifang Wu
Sapium sebiferum , an ornamental and bio-energetic plant, is propagated by seed. Its seed coat contains germination inhibitors and takes a long time to stratify for germination. In this study, we discovered that the S. sebiferum seed coat (especially the tegmen) and endospermic cap (ESC) contained high levels of proanthocyanidins (PAs). Seed coat and ESC removal induced seed germination, whereas exogenous application with seed coat extract (SCE) or PAs significantly inhibited this process, suggesting that PAs in the seed coat played a major role in regulating seed germination in S. sebiferum . We further investigated how SCE affected the expression of the seed-germination-related genes. The results showed that treatment with SCE upregulated the transcription level of the dormancy-related gene, gibberellins (GAs) suppressing genes, abscisic acid (ABA) biosynthesis and signalling genes. SCE decreased the transcript levels of ABA catabolic genes, GAs biosynthesis genes, reactive oxygen species genes and nitrates-signalling genes. Exogenous application of nordihydroguaiaretic acid, gibberellic acid, hydrogen peroxide and potassium nitrate recovered seed germination in seed-coat-extract supplemented medium. In this study, we highlighted the role of PAs, and their interactions with the other germination regulators, in the regulation of seed dormancy in S. sebiferum .
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CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Yuhang Shan,Hang Yang,Libo Li,Yangmingyue Zhao,Shubo Fan,Suo Li
Lithium-sulfur batteries that utilize polymer electrolytes can significantly reduce polysulfide shuttling, offer high safety, and represent a promising energy storage solution. However, constructing efficient ion transport pathways at the electrode/electrolyte interface and within the cathode of solid-state lithium-sulfur batteries remains challenging. In this study, we proposed a polymer electrolyte made from a poly (vinylidene fluoride co-hexafluoropropylene) (PVDF-HFP) matrix with neodymium trioxide (Nd 2 O 3 ) nanorods as fillers. This polymer electrolyte slurry was incorporated into the cathode to establish a lithium-ion pathway between the electrode and the electrolyte. The potential difference between Nd 2 O 3 and the carbon layer generates an internal electric field, facilitating the formation of a smooth lithium-ion transport channel in a solid-state environment. We visualized these lithium-ion transport channels across the cathode interface using Molecular Dynamics (MD) simulations in an electric field. Simultaneously, the abundant oxygen vacancies in Nd 2 O 3 can interact with carbon groups in N,N-Dimethylformamide (DMF), promoting the formation of [Li(DMF) x ] + complexes. This interaction effectively reduces the radicalized DMF and enhances lithium-ion (Li + ) conduction. As a result, the solid-state lithium-sulfur battery demonstrated excellent cycling performance at room temperature, achieving a specific capacity of 940.8 mAh g −1 at a rate of 0.1C. This work contributes valuable insights for developing solid-state lithium-sulfur batteries with improved compatibility at electrode/electrolyte interfaces.
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FISH & SHELLFISH IMMUNOLOGY
·
2025
·
IF 3.9
Mengmeng Li,Mingyang Xue,Yong Zhou,Wenzhi Liu,Yan Meng,Chen Xu,Yiqun Li,Nan Jiang,Yuding Fan
Grass carp reovirus (GCRV), which causes hemorrhagic disease in grass carp ( Ctenopharyngodon idella ), poses a significant threat to grass carp aquaculture. To develop effective treatments against GCRV infection, this study evaluated the antiviral efficacy of natural compounds derived from Chinese herbs on GCRV-infected grass carp kidney cells (CIK). Among the various compounds examined, in CIK cells, Andrographolide (Andro) at 25 mg/L exhibited the highest inhibition rates against GCRV-I and GCRV-II infections (83.27% and 87.40%, respectively). In vitro experiments showed that Andro significantly reduced the cytopathic effect, alleviated the apoptosis of GCRV-I-infected cells, inhibited the increase of mitochondrial membrane potential, and blocked CIK cell adsorption of GCRV-I and GCRV-II. Addition time studies revealed that Andro chiefly wielded its antiviral impact in the initial phase of viral replication (0–4 h). In vivo studies demonstrated that in both prevention and treatment experiments, 50 mg/kg Andro in the feed increased the survival rates of grass carp infected with GCRV-Ⅱ by 46.66% and 40%, respectively. Moreover, this compound significantly reduced the viral loads and upregulated antiviral gene expression in various organs, indicating its potential for immune modulation. In conclusion, Andro displayed significant antiviral properties that are effective to both prevent and treat GCRV infections, thus holding promise as a novel therapeutic agent for this virus.
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SEPARATION AND PURIFICATION TECHNOLOGY
·
2025
·
IF 9
Zhen Liu,Rong Liu,Siqi Chen,Mengyu Li,Yuhang Liu,Bangxing Ren,Huan He,Shuquan He,Xiaodi Duan,Yao Chen
This study reports for the first time the dual kinetics phenomenon triggered by the in situ generated ketone derivatives in the cathode chamber and reveals the mode of catalytic persulfate activation through electron exchange by the conversion of ketone functional groups to ketone derivatives. The experimental results show that the reaction rate constant in the rapid degradation stage in the cathode chamber (42.62 × 10 -2 min −1 ) is significantly higher than that in the induction stage (2.11 × 10 -2 min −1 ), achieving 98.96 % removal within 25 min. The intermediate validation experiments indicate that the in-situ generation of ketone-containing intermediates in the cathode chamber increases the steady-state concentration of reactive species (from 1.71 × 10 -10 to 1.08 × 10 -9 ML -1 ), which is the main reason for the increased reaction rate. The ketone capture experiments and density functional theory (DFT) calculations show that the intermediates with ketone functional groups exchange electrons with persulfate ions under alkaline conditions and in the presence of an electric field, generating additional sulfate radicals and singlet oxygen. In the cathode chamber, the electrochemical activation of Peroxymonosulfate (PMS) by ketones on intermediate products is expected to become an inherent catalytic technology for the selective oxidation of pollutants occurring in aquatic environments.
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Materials Today Energy
·
2025
·
IF 8.6
Fucheng Yu,Zehao Wu,Cheng Qian,Zengguang Huang,Yueyi liu,Jinghong Zhang,Sihua Zhong
Antimony sulfide (Sb 2 S 3 ) has emerged as a promising top cell candidate for tandem solar architectures due to its suitable bandgap, environmentally friendly and earth-abundant composition. However, sulfur volatilization during the preparation process always affects the quality of the thin film and the photovoltaic performance. To address this challenge, we developed a simple in-situ passivation approach applied during Sb 2 S 3 hydrothermal deposition via the strategic supplementation of sulfur source in precursor solutions. This methodology effectively boosts minority charge carrier life time during preparation processing, concurrently enhancing crystalline quality and improving power conversion efficiency (PCE) of the device. Besides reducing the defect of Sb 2 S 3 absorber, we further systematic optimized the electron transport layer (ETL) architecture by using TiO 2 /CdS bilayer to accelerate the charge transfer rate at the interface of Sb 2 S 3 and ETL and to reduce parasitic light absorption. As an overall result, a PCE of 6.83% with a high open-circuit voltage ( V oc ) of 811.5 mV has been achieved, which is the highest V oc for Sb 2 S 3 solar cells to date. This study provides a promising sulfur passivation strategy for the Sb 2 S 3 solar cells by hydrothermal method.
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INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE
·
2019
·Vol. 44
·期 4
·1377-1387
·
IF 2.928
Liqun Chu,Lin Xiao,Bing Xu,Jingmei Xu
The retina is sensitive to injury resulting from oxidative stress (OS) due to its high oxygen consumption. Patients with retinitis pigmentosa suffer from excessive OS. N‑acetylcysteine (NAC) is used as a mucolytic agent for the clinical treatment of disorders, such as chronic bronchitis and other pulmonary diseases. The aim of the present study was to investigate the role of hexokinase 2 (HKII) in retinal OS injury. Amyloid β (Aβ)1‑40 was used to establish a cellular model of OS. Cell viability was measured with a Cell Counting Kit‑8 assay, and the apoptosis, reactive oxygen species (ROS) and mitochondrial membrane potential (MMP) of cells were analyzed via flow cytometry with corresponding kits. The mRNA and protein levels were detected by reverse transcription‑quantitative PCR and western blot analyses, respectively. It was observed that Aβ1‑40 reduced the expression of HKII in the mitochondria of retinal pigment epithelial ARPE cells and impaired mitochondrial antioxidant functions. Additionally, knockdown of HKII promoted apoptosis, and increased ROS levels and the MMP. NAC attenuated the inhibition of mitochondrial functions induced by Aβ1‑40. The knockdown of HKII was revealed to decrease the levels of Bcl‑2, manganese superoxide dismutase (SOD) and copper‑zinc‑SOD, and increase the levels of cleaved caspase‑3, Bax and cytochrome c. The present findings suggested that the dissociation of HKII induced by OS induces apoptosis and mitochondrial damage. This study provided improved understanding of the mechanisms underlying the effects of OS on retinal epithelial cells.
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Foods
·
2024
·Vol. 13
·期 10
·1544
·
IF 4.7
Jingyao Yu,Yu Yang,Lanjun Luo,Fang Feng,Sana Saeed,Jie Luo,Chuanying Fang,Junjie Zhou,Kang Li
Plant factories offer a promising solution to some of the challenges facing traditional agriculture, allowing for year-round rapid production of plant-derived foods. However, the effects of conditions in plant factories on metabolic nutrients remain to be explored. In this study, we used three rice accessions (KongYu131, HuangHuaZhan, and Kam Sweet Rice) as objectives, which were planted in a plant factory with strict photoperiods that are long-day (12 h light/12 h dark) or short-day (8 h light/16 h dark). A total of 438 metabolites were detected in the harvested rice grains. The difference in photoperiod leads to a different accumulation of metabolites in rice grains. Most metabolites accumulated significantly higher levels under the short-day condition than the long-day condition. Differentially accumulated metabolites were enriched in the amino acids and vitamin B6 pathway. Asparagine, pyridoxamine, and pyridoxine are key metabolites that accumulate at higher levels in rice grains harvested from the short-day photoperiod. This study reveals the photoperiod-dependent metabolomic differences in rice cultivated in plant factories, especially the metabolic profiling of taste- and nutrition-related compounds.
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Nature Communications
·
2025
·Vol. 16
·期 1
·1-9
·
IF 15.7
Tang Dafu,Yu Ruohan,Jiang Yalong,Li Jiantao,Yan Zerui,Fan Sicheng,Huang Xiaojuan,Lee Sungsik,Li Tianyi,Xie Qingshui,Mai Liqiang,Peng Dong-Liang,Wei Qiulong
Earth-abundant TiO 2 is a promising negative electrode for low-cost sodium-ion batteries (SIBs) owing to its high capacity, rapid (dis)charging capability, safe operation potential and nonflammability. Crystalline anatase TiO 2 is not suitable for reversible Na + (de)intercalation, but it displays pseudocapacitive response after repeated cycles. Herein, we find and demonstrate that ordered rocksalt (RS) NaTiO 2 nanograins are in situ formed by electrochemically cycling with Na + ions in anatase and amorphous TiO 2 . The in situ formed RS-NaTiO 2 follows a solid-solution reaction with small volume changes of only 2.0%, that determines the pseudocapacitive “mirror-like” cyclic voltammetry curve with a couple of broad redox peaks at 0.75 V vs. Na + /Na, a high capacity of 253 mAh g −1 , high-rate capability and thousands of stable cycles. The multistep crystalline-to-amorphous-to-RS transformations are able to be electrochemically activated during the aging process of assembled full cells. Our finding provides a direction for developing unconventional Ti-based high-performance active materials for SIBs with both high energy and power densities.
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DALTON TRANSACTIONS
·
2020
·Vol. 50
·期 2
·715-721
·
IF 4.174
Jianhui Xie,Bing Li,Huijing Liu,Yijun Li,Jian-Bo He,Yanzhen Zheng,Kai-Chung Lau,Tai-Chu Lau
Ferrate(VI), [FeO4]2−, is a very powerful oxidant that can oxidize a wide variety of inorganic and organic compounds. However, the mechanisms of many of these oxidation reactions have not been studied in detail. In this work, we have investigated the kinetics and mechanism of the oxidation of 4-alkylbenzenesulfonates by ferrate in aqueous solutions at pH 7.45–9.63 by UV/Vis spectrophotometry. The reactions are first order with respect to both [ferrate] and [4-alkylbenzenesulfonate]. The second-order rate constants for the oxidation of 4-isopropylbenzenesulfonate by ferrate at 25 °C and I = 0.3 M are found to be (5.86 ± 0.08) × 10−1 M−1 s−1 and (4.11 ± 1.50) × 10−3 M−1 s−1 for [Fe(O)3(OH)]− and [FeO4]2−, respectively, indicating that [Fe(O)3(OH)]− is two orders of magnitude more reactive than [FeO4]2− and is the predominant oxidant in neutral and slightly alkaline solutions. This is further supported by the effect of the ionic strength on the rate constant. No solvent kinetic isotope effect (KIE) was found but a moderate primary KIE = 1.6 ± 0.1 was observed in the oxidation of 4-ethylbenzenesulfonate and 4-ethylbenzenesulfonate-d9. Alkyl radicals were trapped by CBrCl3 in the oxidation of alkylarenes by ferrate. Combined with DFT calculations, a hydrogen atom transfer (HAT) mechanism was proposed for the reactions between [Fe(O)3(OH)]− and 4-alkylbenzenesulfonates.
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INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
·
2025
·
IF 3.9
Yueyangchao Yu,Yanting Tang,Longjie Liu,Qingnan Wang,Chongshan Yin,Keming Zhang,Chenlu Liu,Yi Ye,Xinglei Zhao,Tianhe Gu,Shaofei Wang
Covalent organic frameworks (COFs) show exceptional promise for CO2-selective mixed matrix membranes (MMMs) due to their tunable porosity and structural robustness. To mitigate COF aggregation in MMMs, we present an in situ growth strategy by directly integrating COF precursors into a polymer matrix. By optimizing reaction conditions, we achieve uniform dispersion and successful in situ formation of TpPa (derived from 1,3,5-triformylphloroglucinol and p-phenylenediamine) within the Pebax matrix. The optimized membrane exhibits a high CO2 permeability of 313.4 Barrer (45.8% higher than pure Pebax) and CO2/N2 selectivity of 22.6, along with long-term stability. Positron annihilation lifetime spectroscopy further reveals how the integration of COFs modulates the membrane’s free-volume properties. This study not only addresses filler dispersion challenges but also provides a viable approach for fabricating high-performance, stable CO2 separation membranes.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2025
·
IF 9.7
Rongjiao Huang,Shuhao Su,Yincheng Wang,Suqin Liu,Zhen He,Li Tian,Dong Luo,Haikun Xu,Jue Wang
The rational design of oxygen vacancy in metal oxide based catalysts is an effective strategy to enhance their intrinsic activity by influencing the microelectronic structure. However, the impact of oxygen vacancy on the reaction kinetics and the catalytic mechanism in vanadium redox flow batteries (VRFBs) remains under-explored. Herein, a novel approach is developed to regulate the concentration of oxygen vacancy in TiO 2 nanoplates for high performance VRFBs. The oxygen vacancy-rich TiO 2 efficiently facilitates the desorption and electron transfer process of V 3+ during the electrochemical oxidation process. Owing to the enhanced electrochemical oxidation of V 2+ to V 3+ , the inherently sluggish reaction kinetics of V 2+ /V 3+ is significantly accelerated. The battery assembled with oxygen vacancy-rich TiO 2 achieves an energy efficiency of 79.81 % at 200 mA cm −2 and outstanding long-term durability. This work not only elucidates the nature of oxygen vacancy in accelerating the redox kinetics of V 2+ /V 3+ but also offers insights for rationally designing efficient catalysts for VRFBs.
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