Journal of Environmental Chemical Engineering
·
2025
·
IF 7.2
Xinyue Duan,Yingqing Zhan,Hongshan Jia,Jie Liu,Yajie Lei,Jing Yang,Yuxing Han
MXene nanosheets based membrane materials encounter challenges in the field of oil-water separation, including narrow interlayer spacing, insufficient stability, and limited photocatalytic self-cleaning efficiency. To address the aforementioned issues, the 2D/2D MXene nanosheets based heterojunction was constructed through in situ growth of porous ZnIn 2 S 4 and freely assembled onto a PAN fibrous membrane with via vacuum-assisted self-assembly technology. The resulting MXene/ZnIn 2 S 4 @PAN fibrous composite membrane (FCM) exhibited high flux and exceptional photocatalytic self-cleaning property. On the one hand, the porous petal-like structure and intrinsic hydrophilic nature of MXene/ZnIn 2 S 4 heterojunction offered the remarkable nanochannel modulation capability, enabling the composite membrane to achieve high permeability (5471.13 -6732.57 L m -2 h -1 ) compared with the conventional MXene based composite membranes with compacted lamellar structure. On the other hand, the heterojunction formed between MXene and ZnIn 2 S 4 significantly improved electron conduction efficiency and effectively regulated the energy band structure, as confirmed by electrochemical impedance spectrum and UV–visible near infrared diffuse reflection test. This imparted the composite membrane with exceptional photocatalytic self-cleaning capability for the degradation of organic dyes, with the degradation efficiency reaching as high as 92.15%. Besides, the rational photocatalytic mechanism was proposed on the basis of free radical quenching and EPR experiments. Such high-flux and enhanced self-cleaning PAN FCM showed the potential in dealing with complicated membrane fouling issues and separating emulsified oily wastewater.
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产品关联
DOI
高影响因子
FOOD CHEMISTRY
·
2026
·
IF 10.4
Qiuya Ji,Kai Ye,Ran Meng,Sijie Wu,Ran Feng,Bao Zhang
To address the conflicting challenges of fat reduction, texture fidelity, and co-delivery of hydrophilic and hydrophobic bioactive compounds, this study explored an innovative O 1 /W/O 2 -microstructured bigel system, WGB(O 1 /W/O 2 ). The system was stabilized through whey protein aggregates rapidly adsorbing at dual interfaces as an amphiphilic mediator, along with hydrogen bonding formation with guar gum in hydrogel matrix. The extended multilayered structure enabled WGB(O 1 /W/O 2 ) demonstrated favorable cream cheese simulation performance in appearance, viscoelastic properties, melting behavior, and texture characteristics. Sequential degradation of each phase during digestion (O 2 -W-O 1 ) increased the intestinal release of PTS and GA by up to 3.3-fold and 1.8-fold, respectively, over conventional bigels (O/W or bicontinuous). Among the bigels, cream cheese texture similarity ranked O 1 /W/O 2 > bicontinuous>O/W. The delivery efficiency for hydrophobic PTS followed O 1 /W/O 2 > O/W > bicontinuous, while that for hydrophilic GA followed O 1 /W/O 2 > bicontinuous>O/W. This study highlights broad application prospects of WGB(O 1 /W/O 2 ) for fat-reduced and nutrient-enhanced dual-functional foods, while advances understanding of bigel microstructure evolution-properties relationships.
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DOI
高影响因子
CHEMICAL PAPERS
·
2022
·Vol. 76
·期 6
·3627-3638
·
IF 2.146
Li Guo-Wei,Lan Yu-wei,Peng Yi-qin,Bao Wen-bin,Zhou Li-ya
Green-fluorescent nitrogen-doped carbon quantum dots (g-CQDs) were synthesized via a simple and convenient one-step hydrothermal method using Passiflora edulis sims shell as a carbon source and m-phenylenediamine as a nitrogen source and applied to the detection of uric acid. Unlike most reported blue fluorescent probes, the obtained g-CQDs showed bright-green fluorescence under ultraviolet light with a high quantum yield of 37.6%. Moreover, the g-CQDs exhibit outstanding photostability and high sensitivity, an excellent linearity ranging from 1 to 17 µM, and a great limit of detection of 0.94 µM, which renders them suitable for the determination of uric acid in human urine with remarkable selectivity.
研究领域:
生物化学
·
医学检测
·
材料科学
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DOI
高影响因子
JOURNAL OF POLYMERS AND THE ENVIRONMENT
·
2022
·Vol. 30
·期 6
·2435-2447
·
IF 4.705
Siegu William Mawuko Kodzo,Djouonkep Lesly Dasilva Wandji,Adom Elvis Kwame,Muaz Abubakar,Gauthier Mario,Cheng Zhengzai
Demand for light-packaging materials for food and beverages is on the rise globally, especially in developing countries where several depend on packaged food. Furthermore, poly(ethylene terephthalate) (PET) a semi-crystalline thermally stable polyester, is widely used for carbonated soft drink, water and juice bottles, but shows a poor degradability properties after their lifespan. In this investigation, a series of novel random partially degradable poly(carbonate- co -esters) (PTB/PTBC n ) containing 2,5-thiophenedicarboxylic acid (TDCA), and different amounts of bis(2-hydroxyethoxy)benzene (BHEB) and 1,4-cyclohexanedimethanol (CHDM) sub-units were successfully synthesized via a two-step melt polymerization as a facile and green semi-continuous process. The copolymers were thermally stable with tunable T g values ranging from 47 to 71 °C, while their 5% decomposition temperature (T d, 5% ) under N 2 varied from 463 to 432 °C. Herein, focus was made on the synthesis of eco-friendly polyesters with satisfactory O 2 -gas barrier properties (5.5 cm 3 mm/m 2 × day × atm) at 25 °C suitable for most packaging applications. The mechanical and thermal analysis of PTB and PTBC n polyesters revealed excellent properties comparable to commonly used packaging materials such as poly(vinyl chloride), poly(lactic acid) and PET, whereby the incorporation of cyclohexane (CHDM) and phenyl (BHEB) rings units greatly enhanced the thermal and mechanical properties, transparency, oxygen permeability, and biodegradability of these polyesters. Graphical Abstract
研究领域:
材料科学
·
环境科学
·
化学工程
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DOI
高影响因子
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
·
2019
·Vol. 23
·期 5
·1563-1570
·
IF 2.531
Zhang Wei,Wang Zhiyuan,Tao Li,Duan Keyu,Wang Hao,Zhang Jun,Pan Xu,Huo Zhipeng
A series of Fe(III)-based coordination-driven metallogel (MOG) electrolytes are obtained by absorbing liquid electrolytes with MOGs and applied to quasi-solid-state dye-sensitized solar cells (DSSCs). The MOG, prepared by Fe 3+ and trimesic acid, presents a porous and flower-like structure, which can ensure the effective diffusion of I − /I 3 − ions and excellent infiltration to the TiO 2 photoanode. Moreover, the mechanical property of MOG is stable enough to guarantee the photovoltaic performances of DSSCs in the operating environment. In the MOG electrolyte, trimesic acid acts as the gelator to coordinate with Fe 3+ to form MOG. Furthermore, the condition of TiO 2 conduction band edge of quasi-solid-state DSSC shifts with the liquid electrolyte concentration increasing in MOG, which results in both V oc and J sc increasing firstly and then decreasing, and the process of electron kinetics is investigated to illustrate these differences. Finally, an excellent photoelectric conversion efficiency of 5.31% is obtained for MOG electrolyte–based quasi-solid-state DSSC.
研究领域:
材料科学
·
能源科学
·
化学
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DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE
·
2021
·Vol. 56
·期 23
·13031-13042
·
IF 4.22
Liu Yanyan,Lyu Qiang,Wang Zhikun,Sun Yi,Li Chunling,Sun Shuangqing,Lin Li-Chiang,Hu Songqing
Frequent oil spills pose severe damages to the marine ecosystems and result in hazardous fires when the spilled oil is ignited. Developing high-performance, flame-retardant absorbent materials for large-scale water treatment is therefore urgently needed. Herein, we report an efficient post-synthetic silylation process to achieve a porous covalent-organic framework (COF), denoted as [CF 3 ] − COF. The absorption capacity of oils and organic solvents in [CF 3 ] − COF was explored by experimental measurements with the absorption mechanism illuminated by molecular simulations. The prepared [CF 3 ] − COF powders were further loaded into melamine sponge to yield a highly hydrophobic absorbent denoted as [CF 3 ] − COF@sponge, which was demonstrated to effectively remove oils/organic solvents with outstanding stability and excellent flame retardancy. Moreover, an oil-collecting apparatus was designed to continuously separate oils/organic solvents from water. The rapid recovery of oils/organic solvents from water using this device proves the great promise of [CF 3 ] − COF@sponge in water treatment.
研究领域:
环境科学
·
材料科学
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DOI
高影响因子
MICROCHIMICA ACTA
·
2021
·Vol. 188
·期 4
·1-7
·
IF 5.833
Liu Pingkun,Meng Hui,Han Qian,Zhang Gui,Wang Cun,Song Li,Fu Yingzi
A novel internal standard electrochemiluminescence (ECL) sensor has been designed for the detection of ascorbic acid (AA). The adopted dual-emission luminophore (NSGQDs-PEI-luminol-Pt) is composed of nitrogen and sulfur double-doped graphene quantum dots (NSGQDs, as the main luminophore), luminol (as the auxiliary luminophore and internal standard), platinum nanoparticles (Pt NPs, as the co-reaction accelerator), and polyetherimide (PEI, as the linker of NSGQDs and luminol). The results suggest obviously enhanced ECL intensities by the Förster resonance energy transfer (FRET) between luminol (donor) and NSGQDs (acceptor). In this sensing system, the cathodic ECL intensities of NSGQDs (ECL-1, −1.8 V vs. Ag/AgCl) gradually decrease with increasing concentration of AA, while the anodic ECL intensities of luminol (ECL-2, 0.3 V vs. Ag/AgCl) almost remain essentially constant at a potential window from −2.0 to 0.4 V. The natural logarithm of the ratio between ECL-1 and ECL-2 (ln I (ECL-1/ECL-2) ) shows a good linear relationship with AA concentration ranging from 10 to 360 nM. The regression equation is ln I (ECL-1/ECL-2) = − 0.0059 c AA + 3.55 ( R 2 = 0.992) with a limit of detection of 3.3 nM. Such sensor has also been applied for monitoring AA in human serum. The recovery range was 96.5–105.3% and the relative standard deviation was 1.3–3.3%. Graphical abstract
研究领域:
分析化学
·
生物医学工程
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DOI
PubMed
高影响因子
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
·
2019
·Vol. 411
·期 18
·4159-4166
·
IF 3.286
Hu Yechen,Li Yang,Gao Hang,Jiang Bo,Zhang Xiaodan,Li Xiao,Wu Qiong,Liang Zhen,Zhang Lihua,Zhang Yukui
Because of structural flexibility and acid lability, the identification of phosphorylated lysine (pLys) peptides is a great challenge. We report here a cleavable hydrophobic derivatization (CHD) strategy for the enrichment and identification of pLys peptides. First, 2,5-dioxopyrrolidin-1-yl-3-(decyldisulfanyl)propanoate was synthesized to react with dephosphorylated lysine peptides, and then the derived peptides were captured by a C 18 column, followed by cleavage of the hydrophobic chain, with the specific label left on the target peptides for further identification. By CHD, the enrichment of pLys peptides from interfering peptides (1:1000 mass ratio) was achieved. Furthermore, CHD was applied to screen the pLys targets from Escherichia coli lysates, and 39 pLys sites from 35 proteins were identified. Gene Ontology (GO) analysis showed that these proteins played vital roles in catabolism, metabolism, biogenesis, and biosynthetic processes. All these results demonstrate that CHD might pave the way for comprehensive profiling of the pLys proteome.
研究领域:
生物化学
·
蛋白质组学
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DOI
PubMed
高影响因子
Scientific Reports
·
2022
·Vol. 12
·期 1
·1-8
·
IF 4.996
Li Hongchuan,Kong Deming,Zhang Borui,Kalkhajeh Yusef Kianpoor,Zhao Yingying,Huang Jieying,Hu Hongxiang
The use of degradable chelating agents to facilitate phytoextraction is a promising low-cost method for the remediation of heavy metal-contaminated soils. However, there are few studies on how plants and soils respond to the chelating agents. In this study, the responses of French marigold ( Tagetes patula L.) and soil cadmium (Cd) to the chelator tetrasodium glutamate (GLDA) was investigated in a 180 d field trial. Five GLDA treatments (0, 292.5, 585, 1170, and 2340 kg hm −2 ) were carried out in a Cd-contaminated soil (0.47 mg kg −1 ) under French marigold plantation. The results showed that the application of GLDA promoted the transformation of other forms of Cd in soil to exchangeable state, and the exchangeable Cd and Fe–Mn oxide bound state increased by 42.13% and 32.97% ( p < 0.05), respectively. The cell wall Cd accumulations significantly increased 9.39% ( p < 0.05) and the percentages of soluble fractions increased by 460.33% ( p < 0.05). Furthermore, increases occurred in soil pH, as well as DOC and DTPA-Cd contents with increasing the total amount of GLDA. The composite application of GLDA (2340 kg hm −2 ) with French marigold reduced the total soil Cd content by 7.59% compared with the soil background. Altogether, results of this study suggested that the application of GLDA can effectively activate soil Cd and enhance the capability of French marigold for the remediation of Cd-contaminated soils.
研究领域:
环境科学
·
植物学
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DOI
PubMed
高影响因子
JOURNAL OF FLUORESCENCE
·
2024
·
IF 2.6
Zha Jiahao,He Chongjun,Chen Fangzhou,Wang Hongwei,Dong Biao,Liu Lijuan,Xia Mingjun,Deng Chenguang,Li Qian,Lu Yuangang,Chen Huiting
Oxide matrix red-emitting phosphors are deemed as excellent color converters for white light emitting diodes (WLEDs) and laser diodes (LDs). Manganese-doped MgAl 2 O 4 powder was synthesized by a solid-state reaction method at different sintering temperatures. Microstructure shows that grain size is mainly in the range of 0.2–5 μm, and grain agglomeration occurs with increased sintering temperature. XPS analysis indicates that the doped Mn ion exhibits a valence state of + 4 within the MgAl 2 O 4 matrix. The diffraction peak of the phosphors is shifted by the sintering temperature, which affects lattice constant. Upon excitation by 300 nm ultraviolet light, the samples emit asymmetric broadband red light within the range of 620–720 nm, attributed to Mn 4+ ion’s transition from 2 E g to 4 A 2g states. With the increasing temperature, the main emission peak shifts from 677 nm to 650 nm, ascribed to the change in energy level ( 2 E g ) resulting from the reduction of Al 2 O 3 phase. Crystal field theory confirmed that Mn 4+ ions are within a strong crystal field environment created by MgAl 2 O 4 matrix. By affecting particle size and crystallinity, the sintering temperature influences the fluorescence lifetime of the Mn 4+ ion. Notably, these red-emitting phosphors exhibits remarkable thermal stability as their emission intensity remains approximately at 58% of initial intensity even at elevated temperature (435 K). Consequently, Mn 4+ : MgAl 2 O 4 red-emitting phosphors with high thermal stability render them promising candidates for WLED applications.
研究领域:
材料科学
·
光学
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DOI
高影响因子
JOURNAL OF FLUORESCENCE
·
2024
·
IF 2.6
Peng Fei,Ai Xiangnan,Bu Xiaoyu,Zhao Zixuan,Gao Baoxiang
Mitochondrial membrane potential (MMP) is crucial for mitochondrial function and serves as a key indicator of cellular health and metabolic activity. Traditional lipophilic cationic fluorescence intensity probes are unavoidably influenced by probe concentration, laser intensity, and photobleaching, limiting their accuracy. To address these issues, we designed and synthesized a pair of fluorescence molecules, OR-C8 and SiR-BA, based on the Förster Resonance Energy Transfer (FRET) mechanism, for dual-modality visualization of MMP. OR-C8 anchors to the inner mitochondrial membrane through strong hydrophobic interactions, while SiR-BA is expelled from mitochondria when MMP decreases, thereby regulating the FRET process. During MMP reduction, the fluorescence intensity and lifetime of OR-C8 increase, while the fluorescence intensity of SiR-BA decreases. By combining changes in fluorescence intensity ratio and fluorescence lifetime, dual-modality visualization of MMP was achieved. This method not only accurately reflects MMP changes but also provides a novel tool for in-depth studies of mitochondrial function and related disease mechanisms, offering significant potential for advancing mitochondrial research and therapeutic development.
研究领域:
细胞生物学
·
生物物理学
·
荧光显微镜技术
·
分子生物学
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DOI
PubMed
高影响因子
ONCOGENE
·
2024
·
IF 6.9
Du Jiaying,Bai Dongsheng,Gu Chunyang,Zhao Jiawei,Zhou Chen,Wang Yuxiang,Zhao Yue,Lu Na
Hepatocellular carcinoma (HCC) stands as one of the most aggressively advancing and lethal malignancies. Sorafenib is presently endorsed as a primary therapy for advanced liver cancer, but its resistance presents a formidable challenge. Previous studies have implicated a connection between post-sorafenib discontinuation rebound and the development of drug resistance, yet the underlying mechanism remains elusive. In this study, we discerned that Sorafenib induced a senescent phenotype in HCC cells and caused a cleavage of ubiquitin-binding protein p62. Mechanistic studies establish that truncated p62 drives cellular senescence by promoting proteasome-dependent degradation of 4EBP1. Furthermore, truncated p62 induced specific ubiquitination of 4EBP1. Crucially, virtual drug screening uncovered that dacinostat inhibited cellular senescence by blocking sorafenib-induced p62 cleavage. In summary, our findings imply that truncated p62 from sorafenib cleavage promotes senescence via 4EBP1 degradation. The prevention of p62 cleavage could emerge as a crucial strategy for impeding the sorafenib-induced cellular senescence.
研究领域:
肿瘤学
·
分子生物学
·
药理学
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DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）