JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
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2026
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IF 4
Jiangjuan Yuan,Wenjie Wang,Ziyue Wang,Feng Jin,Fengjun Wang
BACKGROUND Due to its high glutenin content, walnut protein isolate (WPI) exhibits low solubility, limiting its applications in the food industry. RESULTS WPI was modified with succinic anhydride (SA), and the potential of the resulting curcumin-loaded emulsions was evaluated. The degree of succinylation of WPI was measured as 89.52 ± 0.66% when 40% SA was used. Succinylation enhanced the surface charge of WPI, reduced its surface hydrophobicity and disulfide bond content, and involved both lysine residues and free sulfhydryl in the acylation reaction. Structural analyses, including Fourier transform infrared spectroscopy, intrinsic fluorescence, and scanning electron microscopy, revealed that SA modification induced significant conformational changes in WPI. Notably, at 20% SA addition, WPI exhibited optimal functional properties, achieving solubility as high as 98.24%. In vitro digestion assays demonstrated that succinylation decreased the release of free fatty acids from emulsions and improved the bioavailability of curcumin to 86.81%. CONCLUSION This study demonstrated that SA modification is an effective way for enhancing the structural and functional properties of WPI. The SA-modified WPI shows potential as a carrier for improving the solubility and bioavailability of hydrophobic bioactive compounds. Moreover, this work provides new insights into the significance of WPI modification and offers practical guidance for its application in the food industry. © 2026 Society of Chemical Industry.
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Journal of Cleaner Production
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2023
·
IF 11.1
Zhouyu Jiang,Yang Cong,Xiaoxuan Li,Jiale Xu,Mingliang Wang
The desmear of blind hole is a critical process in Printed Circuit Board (PCB) manufacturing. An environmental-friendly, non-destructive and efficient sodium bicarbonate abrasive jet desmearing method was proposed in this study. The desmearing process was to drive the abrasive particles into the blind hole by pressurized air, and realized the cleaning of drilling dirt through collision. By comparing the cleaning effect, the process parameters (jet pressure, jet time, jet angle and jet distance) of sodium bicarbonate abrasive jet desmearing method were optimized, and the optimal process parameters were determined as 0.3 MPa, 10 s, 90° and 1 cm. Under the optimal process conditions , by comparing with the permanganate swelling method that widely used in the industry, it was confirmed that the cleanliness of sodium bicarbonate abrasive jet desmearing method could reach the commercial cleaning level while ensuring no damage, and the improvement of surface roughness (Ra = 7.57220 μm) was also at the same level. Through the research on the abrasive recycling process, it was detected that the recovery rate of abrasive could reach 80.18% by a simple recrystallization operation, which could significantly reduce the cleaning cost. The trajectory of abrasive particle in the blind hole was simulated by the gas-solid coupling discrete phase model (DPM), and the vortex cutting erosion desmearing mechanism based on the analysis of velocity vector characteristics was proposed. Due to its advantages of high cleaning efficiency, low damage, less pollution and recyclability of abrasive, the sodium bicarbonate abrasive jet desmearing method was expected to be applied in PCB blind hole desmearing process in the future.
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Carbon Letters
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2023
·Vol. 33
·期 4
·1205-1215
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IF 4.5
Yang Mannan,Fang Changqing,Su Jian,Zeng Huilin,Lin Qilang
In this study, waste corrugated paper was used as carbon precursor with KOH-NaOH mixture (mole ratio was 51:49 and the melting point is 170 °C) as activator to prepare porous carbon at different reaction temperature and different mass ratio of KOH-NaOH mixture/waste corrugate paper fiber. The micro-morphology, pore structure information and composition of porous carbon were analyzed, and the formation mechanism of pores was investigated. The effect of activator amount and pyrolysis temperature on the morphology and structure of porous carbon were studied. The adsorption capacity of porous carbon was evaluated with the methylene blue as model pollutant. The effect of adsorbent amount, adsorption time and temperature on the adsorption performance of the porous carbon were analyzed. The maximum specific surface area is 1493.30 m 2 ·g −1 and the maximum adsorption capacity of methylene blue is 518 mg·g −1 . This study provides a new idea for efficient conversion and utilization of waste paper. Graphical abstract
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JOURNAL OF MOLECULAR LIQUIDS
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2022
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IF 6.633
Pengshuai Zhang,Haiyan Luo,Lan Cui,Jixiu Deng,Shiyu Xie,Danfeng Liu,Shuqi Wang,Xiaoying Si,Zichao Wang,Yameng Wan,En Zhang,Xing Li,Lu Zhang
Solid-liquid equilibrium solubility of artemisinin (ART) Form I in twelve mono-solvents namely N, N-dimethylformamide (DMF), oxolane (THF), n -propanol (NPA), 4-methylpentan-2-one (MIBK), ethyl formate (EF), butyl acetate (BAC), 2-ethoxyethanol (EGEE), 1,4-Dioxane, 2-methoxyethanol (EGME), 2-propoxyethanol (EGPE), propyl acetate (NPAC) and 2-butoxyethanol (EGBE) from 283.15 K to 323.15 K were determined by a laser dynamic method under 0.1 MPa. The minimum solubility of ART (Form I) was found in NPA at 283.15 K (0.004541), the maximum mole fraction solubility of ART (Form I) was observed as 0.2523 in DMF at 323.15 K. At the temperature of 298.15 K, the experimental mole fraction solubility order of ART Form I in the tested solvents was DMF (0.1559) > 1,4-Dioxane (0.09117) > THF (0.08301) > MIBK (0.05054) > EF (0.04902) > NPAC (0.03860) > BAC (0.03658) > EGME (0.02031) > EGEE (0.01859) > EGPE (0.01817) > EGBE (0.01689) > NPA (0.007185). The solubility behavior was computationally correlated by Margules model, Wilson model, NRTL model, NRTL-SAC model, Buchowski-Ksiazczak λh model and UNIQUAC model, the total RMSD was no>0.025 in the selected models. With the help of Hansen solubility parameters (HSPs) analysis, molecular similarities of ART (Form I) in twelve mono-solvents were investigated. Besides, Hirschfeld surface analysis (HSs) was considered to evaluate the intermolecular interaction of artemisinin. Moreover, thermodynamic properties including Δ mix H , Δ mix G , Δ mix S , lnγ 1 , l n γ 1 ∞ of ART (Form I) in the selected solvents were estimated. All the negative Δ mix G and positive Δ mix S values indicated that the mixing process were spontaneous and entropy-increasing.
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JOURNAL OF CHEMICAL THERMODYNAMICS
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2022
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IF 3.269
Pengshuai Zhang,Ruping Ge,Chunxia Jin,Jixiu Deng,Feiyang Dai,Yameng Wan,Beibei Zhang,Shuwei Yu,Xing Li,En Zhang,Lan Zhang,Lu Zhang
The mole fraction solubility of 1-[4-(4-hydroxyphenyl)piperazin-1-yl]ethenone (1-HPE) in twelve mono-solvent systems namely “2-methoxyethanol (2-ME), methanol (MeOH), ethanol (EtOH), butan-1-ol ( n -BuOH), 2-propoxyethanol (2-PE), propan-2-ol ( i -PrOH), 2-methylpropan-1-ol ( i -BuOH), Acetonitrile (MeCN), ethane-1,2-diol (EG), 2-ethoxyethanol (2-EE), propan-1-ol ( n -PrOH), 2-butoxyethanol (2-BE)” were determined from 283.15 K to 323.15 K under 0.1 MPa. The experimental solubility order follows: 2-ME > 2-EE > 2-PE > 2-BE > MeOH > EtOH > n -PrOH > i -PrOH ≈ n -BuOH > i -BuOH ≈ MeCN > EG. The UNIQUAC model, modified Apelblat model, NRTL model, Wilson model, Jouyban model and NRTL-SAC model equation were used to correlate of 1-HPE solubility, and the average 10 4 RMSD of them was 0.89, 1.21, 0.94, 4.72, 0.60 and 1.25, respectively. Furthermore, Hansen solubility parameters analysis (HSP) was used to evaluate the miscibility of 1-HPE in the selected solvents. Hirshfeld surface (HS) analysis was performed to discuss the electrostatic features and the patterns of intermolecular interactions of 1-HPE. Thermodynamic properties (Δ mix G , Δ mix S , Δ mix H , Δ dis G , Δ dis S , Δ dis H ) were calculated by the UNIQUAC model. The calculated results indicated that the dissolution and mixing process of 1-HPE in the mono-solvents selected in this work was spontaneous and entropy increment.
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Biomimetics
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2022
·Vol. 7
·期 4
·237
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IF 3.743
Minglei Gong,Wei Li,Fei Fan,Yu Chen,Bin Zhang
The development of organic memory devices, regarding factors such as structure construction, principle exploration, and material design, has become a powerful supplement to traditional silicon-based information storage. The in-situ growth of materials on substrate surfaces can achieve closer bonding between materials and electrodes. Bio-inspired by mussel chemistry, polydopamine (PDA) was self-assembled on a flexible substrate as a connecting layer, and 2-bromoiso-butyryl bromide (BiBB) was utilized as an initiator for the polymerization of an iridium complex via surface-initiated atom-transfer radical polymerization (SI-ATRP). A device with the structure of Al/PDA-PPy3Ir/ITO was constructed after the deposition of aluminum. The device exhibited a nonvolatile rewritable memory characteristic with a turn-on voltage of −1.0 V and an ON/OFF current ratio of 6.3 × 103. In addition, the memory performance of the Al/PDA-PPy3Ir/ITO device remained stable at bending states due to the intrinsic flexibility of the active layer, which can be expanded into the establishment of flexible memory devices. Spectroscopy and electrochemical characterization suggested that the resistive memory properties of the device stemmed from charge transfer between PDA and iridium polymer in the active layer (PDA-PPy3Ir) under an applied voltage.Keywords:memory device;mussel chemistry;surface modification;SI-ATRP
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Journal of Advanced Research
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2022
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IF 12.822
Wei Zhang,Mushan Xie,Ioannis Eleftherianos,Amr Mohamed,Yueqing Cao,Baoan Song,Lian-Sheng Zang,Chen Jia,Jing Bian,Nemat O. Keyhani,Yuxian Xia
Introduction Odorant-binding proteins (OBPs) are a class of small molecular weight soluble proteins that exist as expanded gene families in all insects, acting as ligand carriers mediating olfaction and other physiological processes. During fungal infection, a subset of insect OBPs were shown to be differentially expressed. Objectives We tested whether the altered expression of insect OBP s during pathogenic infection plays a role in behavioral or immune interactions between insect hosts and their pathogens. Methods A wide range of techniques including RNAi-directed knockdown, heterologous protein expression, electrophysiological/behavioral analyses, transcriptomics, gut microbiome analyses, coupled with tandem mass spectrometry ion monitoring, were used to characterize the function of a locust OBP in host behavioral and immune responses. Results The entomopathogenic fungus Metarhizium anisopliae produces the volatile compound phenylethyl alcohol (PEA) that causes behavioral avoidance in locusts. This is mediated by the locust odorant binding protein 11 ( LmOBP11 ). Expression of LmOBP11 is induced by M . anisopliae infection and PEA treatment. LmOBP11 participates in insect detection of the fungal-produced PEA and avoidance of PEA-contaminated food, but the upregulation of LmOBP11 upon M . anisopliae infection negatively affects the insect immune responses to ultimately benefit successful mycosis by the pathogen. RNAi knockdown of LmOBP11 increases the production of antimicrobial peptides and enhances locust resistance to M . anisopliae infection, while reducing host antennal electrophysiological responses to PEA and locust avoidance of PEA treated food. Also, transcriptomic and gut microbiome analyses reveal microbiome dysbiosis and changes in host genes involved in behavior and immunity. These results are consistent with the elevated expression of LmOBP11 leading to enhanced volatile detection and suppression of immune responses. Conclusion These findings suggest a crosstalk between olfaction and immunity, indicating manipulation of host OBPs as a novel target exploited by fungal pathogens to alter immune activation and thus promote the successful infection of the host.
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Reaction Chemistry & Engineering
·
2022
·Vol. 7
·期 5
·1150-1155
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IF 5.2
Guobao Yang,Jing Shi,Haijing Sun,Xinli Tong
A method for the photocatalytic controllable oxidative cleavage of C–C bonds is developed with molecular oxygen as the oxidant. Herein, a series of vanadium-oxide-based photocatalysts was synthesized and characterized via XPS, PL, EIS, BET, and SEM techniques. During the oxidative cleavage of vicinal diols, the main-product selectivity can be greatly regulated based on the used catalyst system. For instance, in the photocatalytic selective transformation of hydrobenzoin, a benzaldehyde yield of about 91% is obtained using VOx/ZnO as the catalyst in methanol, while a benzoic acid yield of near to 99% can be achieved using a VOx or VOx/TiO2 catalyst in dichloromethane. Moreover, the oxidative cleavage of the C–C bonds of different substrates has also been investigated; 70.2–99.0% yields of the target products were obtained using the above-mentioned vanadium-based photocatalytic reaction systems.
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JOURNAL OF ENZYME INHIBITION AND MEDICINAL CHEMISTRY
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2023
·
IF 5.6
Ze Wang,Li Zhao,Bo Zhang,Jiahe Feng,Yule Wang,Bin Zhang,Haixiao Jin,Lijian Ding,Ning Wang,Shan He
Pan-histone deacetylase (HDAC) inhibitors often have some toxic side effects. In this study, three series of novel polysubstituted N-alkyl acridone analogous were designed and synthesised as HDAC isoform-selective inhibitors. Among them, 11b and 11c exhibited selective inhibition of HDAC1, HDAC3, and HDAC10, with IC50 values ranging from 87 nM to 418 nM. However, these compounds showed no inhibitory effect against HDAC6 and HDAC8. Moreover, 11b and 11c displayed potent antiproliferative activity against leukaemia HL-60 cells and colon cancer HCT-116 cells, with IC50 values ranging from 0.56 μM to 4.21 μM. Molecular docking and energy scoring functions further analysed the differences in the binding modes of 11c with HDAC1/6. In vitro anticancer studies revealed that the hit compounds 11b and 11c effectively induced histone H3 acetylation, S-phase cell cycle arrest, and apoptosis in HL-60 cells in a concentration-dependent manner.
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ACS Applied Materials & Interfaces
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2021
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IF 9.229
Zhihao Yang,Chaoyi Yin,Haiyang Lu,Hao Wu,Sara Shamin,Long Ba
Electrically conductive polymer fibers with high woven properties are in demand by broad application fields. The design of these materials for massive production requires high electrical conductivity, efficient fabrication yield, and economic accessibility. Here, we proposed a technique for fabricating continuous polymer fibers coated with 1D materials. By alternately coating conducting carbon black/polyurethane (PU) composites, single-walled carbon nanotubes (SWCNTs), and/or Ag nanowires (AgNWs) on Nylon-6 continuous fiber, lamellar cladding forms a compact conducting shell on the core fiber. The conductive fiber was continuously fabricated using the coaxial micro-painting technique of a 1D material solution. By keeping the size of the droplet constant at the vicinity of the tip of the flexible micro-painter, the Plateau–Rayleigh (P–R) instability of the wetting layer was depressed at fiber velocity far beyond inertial wetting. The fiber with a 2 μm-thick shell exhibits a conductivity of 53 ± 8 Ω/cm at a coating weight ratio of ∼6 wt % silver corresponding to a fiber conductivity of about 1665 S/cm. The much higher strain durability of the fiber coated with SWCNTs and AgNWs’ lamellar structure than the fiber coated with only silver nanowires was explained by the local interlayer conducting paths from the AgNW layer to the SWCNT layer. The fiber maintains 90% conductivity after 105 repeated folding or knotting on the monofilament. The conducting yarns were designed and fabricated into electric circuits in textile. As a typical biomedical and flexible electronic application, a low-frequency electrocardiogram (ECG) signal on these circuits was demonstrated.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2023
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IF 9.9
Fan Zhao,Yaning Zhang,Siqi Gong,Huiting Xu,Junjie Qi,Honghai Wang,Chunli Li,Wenchao Peng,Jiapeng Liu
Capacitive deionization (CDI) is perceived as a promising technology for freshwater production owing to its environmentally friendly nature and low energy consumption. To date, the development of high-performance electrode materials represents the foremost challenge for CDI technology. In this work, the porous bismuthene/MXene (P-Bi-ene/MXene) heterostructure was synthesized using a simple interfacial self-assembly method with two-dimensional (2D) bismuthene and Ti 3 C 2 T x MXene . Within the P-Bi-ene/MXene heterostructure, the porous structure can increase the active site and facilitate ion transport. Simultaneously, MXene effectively enhances the conductivity of the heterostructure, resulting in accelerating electron transport. Due to these attributes, the P-Bi-ene/MXene heterostructure demonstrates high desalination capacity (90.0 mg/g), fast desalination rate, and good cycling performance. The simple self-assembly strategy between 2D/2D materials described herein may offer inspirations for the synthesis of innovative electrode materials with high performance.
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JOURNAL OF CHEMICAL THERMODYNAMICS
·
2021
·
IF 3.178
Xiaoqin Shi,Yu Dong,Shufeng Shen
Nonaqueous blends of alkanolamines with 2-alkoxyethanols have recently attracted much attention for an energy-efficient CO 2 capture process. In this work, densities and viscosities of partially CO 2 -loaded mixtures of 2- (methylamino)ethanol (MAE) with 2-methoxyethanol (EGME), 2-ethoxyethanol (EGEE) and 2-butoxyethanol (EGBE) were measured at atmospheric pressure over the temperature range of (293.15 to 353.15) K with amine mass fractions of (0.10, 0.30 0.40 and 0.50) containing various CO 2 loading. It was observed that both densities and viscosities of the carbonated solutions showed noticeable changes as increasing CO 2 loading, amine concentration and temperature. Dimensionless parameters from the CO 2 -free and CO 2 -loaded property data were fitted by proposed correlations. The calculated values of density and viscosity from the correlation models matched well with the experimental results of MAE + CO 2 + 2-alkoxyethanols, with AARDs within 0.28% and 2.20% for density and viscosity respectively. These results are useful to evaluate the mass transfer and hydrodynamic performance in a CO 2 capture process using these nonaqueous absorbents.
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