SCIENCE OF THE TOTAL ENVIRONMENT
·
2025
·
IF 8
Xincong Su,Li Kai,Xiaowen Han,Rongzhi Wang,Xiao Yang,Xuedong Wang,Jin Yan,Qiuhui Qian,Zejun Wang,Huili Wang
Bisphenol S (BPS) and Bisphenol F (BPF), as alternatives to bisphenol A (BPA), are recognized for their endocrine-disrupting properties, but their combined immune toxicity mechanisms remain poorly understood. This study systematically evaluates the individual and joint immune toxicity effects of BPS and BPF through ADMET predictions, transgenic zebrafish models, and molecular docking analyses. The results indicate that equal effect concentration BPS and BPF act through distinct immune pathways: BPS primarily targets macrophages to mediate immune responses, while BPF significantly stimulates neutrophil proliferation and induces a stronger inflammatory response through chemokine signaling. Molecular docking studies show that BPF binds more stably to pro-apoptotic protein Mapk8 and oxidative stress-related protein Hsp90aa1, leading to significantly higher levels of apoptosis and reactive oxygen species (ROS) compared to BPS. The similarity of modes of action (MOA)between BPS and BPF based on relevant immune indicators calculated and experimentally is about 0.3; this quantitative result also proves that modes of action differ widely. Nonetheless, most of the indicators showed superimposed effects in the combined experiments, and it is noteworthy that the oxidative stress indicators (SOD, MDA) showed synergistic effects, suggesting that BPS and BPF, which have very different modes of action, are able to be risk assessed using an additive model with respect to immunity, but may exhibit synergistic risks with respect to oxidative stress. This research demonstrates that BPS and BPF induce immune toxicity via different molecular targets and pathways and highlights the need to account for their synergistic effects in risk assessments. These findings provide important insights into the immune toxicity mechanisms of BPA substitutes and the potential risks of combined exposures.
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INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
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2015
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IF 2.587
Meng Chen,Jiaqi Yan,Ying Tan,Yongfei Li,Zhimin Wu,Langsheng Pan,Yuejin Liu
Hydroxyalkylation of phenol with formaldehyde to bisphenol F was investigated over the metal–organic frameworks of MIL-100(Fe or Cr) and MIL-101(Fe or Cr) encapsulated with Keggin phosphotungstic acid (PTA). PTA@MIL-100(Fe or Cr)(β) and PTA@MIL-101(Fe or Cr)(β) with different β values (the molar ratio of W/M, where M = Fe or Cr) were prepared and characterized by XRD, BET, FT-IR, TG, SEM, TEM, and ICP. The research results showed that PTA@MIL-100(Fe or Cr)(β) had a higher catalytic activity than PTA@MIL-101(Fe or Cr)(β). PTA@MIL-100(Fe)(0.4) was the most effective among the studied catalysts and had excellent reusability. A 92.12% product yield and 93.01% selectivity for bisphenol F could be obtained over the PTA@MIL-100(Fe)(0.40) catalyst. The effects of the reaction time, reaction temperature, catalyst concentration, and phenol/formaldehyde molar ratio on the reaction performance were also investigated. A plausible mechanism for hydroxyalkylation of phenol with formaldehyde to bisphenol F was proposed.
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PHYSICAL CHEMISTRY CHEMICAL PHYSICS
·
2020
·Vol. 22
·期 30
·17299-17305
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IF 3.43
Chenyang Zhou,Ya Chu,Linlin Ma,Yingqian Zhong,Chao Wang,Yalan Liu,Haoyue Zhang,Beibei Wang,Xia Feng,Xi Yu,Xiaotao Zhang,Yan Sun,Xiaozeng Li,Guangjiu Zhao
In this work, we introduced halogen-substituted chiral molecules as A-site cations to synthesize a series of novel organic–inorganic hybrid two-dimensional (2D) chiral perovskite materials (R-X-p-mBZA)2PbBr4 (X = H, F, Cl, Br; p: para-position; mBZA = α-methylbenzylamine) for the first time. This halogen-substituted cation strategy collectively solved problems of narrow emission, weak chirality and low photoluminescence quantum yield (PLQY) for the emerged chiral perovskites. Photoluminescence (PL) spectra are significantly broadened due to the additional emission from self-trapped excitons (STEs) besides free excitons (FEs) states modulated by introducing significant disorder to the Pb–Br–Pb angle. The chirality of A-site chiral molecules is transferred and amplified to entire perovskite materials by fixing the chiral molecules at A-site via the interaction of halogen atoms. Furthermore, their PLQYs are improved with the reduction of energy gap and inhibition of the non-radiative transition from STEs to ground state. The halogen-substituted A-site cation strategy can be performed to develop organic–inorganic hybrid chiral perovskites with various optoelectronic applications.
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APPLIED CATALYSIS B-ENVIRONMENTAL
·
2016
·
IF 8.328
Kexin Li,Zhenxing Zeng,Liushui Yan,Mingxin Huo,Yihang Guo,Shenglian Luo,Xubiao Luo
A series of nonmetallic elements co-doped titanium dioxide coated carbon nitride nanotubes (C/X-TiO 2 @C 3 N 4 NTs, X = N, F, Cl) was successfully prepared by a simple sol-gel-pyrolysis process using phenolic organic pollutants, titanium butoxide, and carbon nitride nanotubes as precursors. The morphology, porosity, phase and chemical structure, and optical and electronic property of as-prepared C/X-TiO 2 @C 3 N 4 NTs were well characterized. The as-prepared C/X-TiO 2 @C 3 N 4 NTs exhibited excellent visible-light photocatalytic activity in the conventional degradation and hydrogen evolution systems compared with traditional TiO 2 /g-C 3 N 4 heterojunction, which is attributed to their unique tubular nanostructure and nonmetallic elements co-doped TiO 2 component. Subsequently, the visible-light photocatalytic activity of C/X-TiO 2 @C 3 N 4 NTs was further studied in the simultaneous hydrogen evolution with organic pollutant degradation system on the basis of our previous work. The reaction mechanisms in different photocatalytic systems were further discussed in detail.
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JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
·
2022
·
IF 5.895
Ya Jiang,Qingqing Jiang,Daming Fan,Mingfu Wang,Yueliang Zhao
The effect of acrolein, a lipid oxidation product, on the formation of the heterocyclic aromatic amine 2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline (MeIQx) was investigated in a chemical model containing glycine, creatinine, and glucose. Acrolein addition at 0.02–0.2 mmol increased MeIQx formation, while high levels of acrolein (>0.2 mmol) did not further increase MeIQx formation. Moreover, acrolein addition decreased the residue of glycine and creatinine but increased the residue of glucose; it also increased the formation of volatile intermediates in the MeIQx-producing chemical model. Further analysis indicated that acrolein can react with glycine, creatinine, and MeIQx to eliminate them. These results revealed that acrolein was able to contribute to MeIQx formation as a consequence of the comprehensive ability of acrolein to facilitate Strecker degradation of glycine, increase the formation of volatile intermediates, and react with glycine, creatinine, and MeIQx. In addition, the oxidation of minced salmon increased the content of MeIQx in the roasted salmon patties, further supporting the potential contribution role of lipid oxidation products in the formation of MeIQx.
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MOLECULAR NUTRITION & FOOD RESEARCH
·
2025
·Vol. 70
·期 1
·e70363
·
IF 4.2
Shaoxuan Wang,Fei Pan,Xinyan Xu,Qian Fan,Yangyang Wang,Lei Zhao,Liang Zhao
Heterocyclic aromatic amines (HAAs), potential carcinogens formed in processed meats, have been linked to liver injury. This study evaluated whether cyanidin-3-O-glucoside (C3G, 100 mg/kg) protects against liver injury by the representative HAA 2-amino-3-methylimidazo[4,5-f]quinoline (IQ, 20 mg/kg) in mice, and explored mechanisms by integrated approaches: biochemical assays, histology, Western blot, and molecular dynamics (MD) simulations. Results demonstrated that C3G significantly ameliorated IQ-induced liver injury, as indicated by reduced serum AST and ALT and inflammatory cytokines (IL-6, IL-1β, TNF-α) levels. Additionally, C3G restored redox homeostasis by inhibiting lipid peroxidation and protein carbonylation, while enhancing antioxidant defenses (GSH, GSH-Px, and SOD). Mechanistically, C3G exerted its protective effects via multiple anti-apoptotic pathways. Specifically, it attenuated mitochondrial apoptosis by lowering the Bax/Bcl-2 ratio and inhibiting cytochrome c-caspase-9/3 activation. It also alleviated endoplasmic reticulum (ER) stress by downregulating GRP78/ATF4/CHOP and caspase-12. Furthermore, C3G interfered with death receptor signaling by reducing Fas/FasL/FADD activation and caspase-8, while upregulating CFLAR. MD simulations further demonstrated that C3G binds to the hydrophobic pocket of BAX and weakens BAX-BIM interactions. These results conclusively identify C3G as a multi-target agent against IQ-induced liver damage, highlighting its promise for development into a novel dietary strategy to counteract the toxicological risks of processed meat consumption.
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JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
·
2023
·
IF 6.1
Muhammad Noman,Azizullah,Temoor Ahmed,Yizhou Gao,Hui Wang,Xiaohui Xiong,Jiajing Wang,Jiajun Lou,Dayong Li,Fengming Song
The ubiquitin–proteasome system (UPS) regulates protein quality or control and plays essential roles in several biological and biochemical processes in fungi. Here, we present the characterization of two UPS components, FonDoa1 and FonDoa4, in watermelon Fusarium wilt fungus, Fusarium oxysporum f. sp. niveum (Fon), and their biological functions. FonDoa1 localizes in both the nucleus and cytoplasm, while FonDoa4 is predominantly present in the cytoplasm. Both genes show higher expression in germinating macroconidia at 12 h. Deletion of FonDoa1 or FonDoa4 affects vegetative growth, conidiation, conidial germination/morphology, apoptosis, and responses to environmental stressors. FonDoa1, but not FonDoa4, positively regulates autophagy. The targeted disruption mutants exhibit significantly attenuated pathogenicity on watermelon due to defects in the infection process and invasive fungal growth. Further results indicate that the WD40, PFU, and PUL domains are essential for the function of FonDoa1 in Fon pathogenicity and environmental stress responses. These findings demonstrate the previously uncharacterized biological functions of FonDoa1 and FonDoa4 in phytopathogenic fungi, providing potential targets for developing strategies to control watermelon Fusarium wilt.
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INORGANIC CHEMISTRY
·
2024
·
IF 4.3
Shuoxing Yang,Hongping Wu,Zhanggui Hu,Jiyang Wang,Yicheng Wu,Hongwei Yu
Introducing F– anions or substituting F– anions with IO3– groups has been proven to be ideal strategies for designing novel noncentrosymmetric (NCS) and polar materials, yet systematic investigation into the effect of F– anions or the substitution of IO3– for F– anions on structures and properties remains rarely explored. Herein, two new gallium iodates, NaGa(IO3)2F2 (1) and NaGa(IO3)4 (2), were successfully designed and synthesized based on NaGa(IO3)3F by introducing more F– anions and replacing F– anions with IO3 groups, respectively. Structurally, in compound 1, the adjacent [GaF3(IO3)3]3– polyanions are connected in an antiparallel manner, resulting in a complete cancellation of local polarity. While in compound 2, all IO3 groups in 2D [Ga(IO3)4]∞– layers are aligned, leading to large macroscopic polarization. Additionally, chemical substitution also results in a qualitative improvement in the functional properties of compound 2. It possesses strong SHG response (12 × KDP @1064 nm) and broad optical transparency, coupled with large birefringence (0.21 @1064 nm), showcasing its promise as a promising nonlinear optical (NLO) crystal. The effects of chemical substitution between F– anions and IO3– groups on the structures and properties are discussed in detail.
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JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
·
2024
·
IF 4.1
Yuxiang Jiao,Yifei Li,Huaijun Tang,Shanglan Xian,Yonghui He,Long Wang,Jinghao Zhang
Herein, a cationic iridium(III) complex [(ppy) 2 Ir(IPP)]PF 6 (ppy: 2-phenylpyridine; IPP: 2-(1 H -imidazo[4,5- f ][1,10]phenanthrolin-2-yl)phenol) was synthesized. Under the excitation of 328 nm (λ ex = 328 nm) UV light, this complex emitted bright yellow orange light (500 ∼ 700 nm, λ em,max = 582 nm), the Stokes shift was up to 254 nm, mainly due to excited-state intramolecular proton transfer (ESIPT) occurring in its ancillary ligand IPP. [(ppy) 2 Ir(IPP)]PF 6 was very sensitive to Ni 2+ , which was caused by the ESIPT being hindered by the coordination of [(ppy) 2 Ir(IPP)]PF 6 with Ni 2+ . Its bright yellow orange light disappeared within 1 min when Ni 2+ (1.0 equiv.) was added in its solution (in DMSO/H 2 O, v/v = 999/1), therefore, it can be used for “turn-off” chemiluminescent detection of Ni 2+ . The recognition of [(ppy) 2 Ir(IPP)]PF 6 to Ni 2+ was not interfered by many common metal ions (such as Na + , K + , Li + , Mg 2+ , Al 3+ , Ca 2+ , Fe 3+ , Ag + , Zn 2+ , Hg 2+ , Co 2+ , Pb 2+ , Mn 2+ , Ba 2+ or Cr 3+ ), however, Cu 2+ was an interfering metal ion, but its interference can be completely masked by thiourea. The detection limit was as low as 3.31 × 10 −7 mol∙L -1 (0.331 μM). The Job’s plot analysis revealed that the stoichiometry of [(ppy) 2 Ir(IPP)]PF 6 with Ni 2+ was 1:1, its detecting mechanism based on ESIPT effect was demonstrated by 1 H NMR spectra and density functional theory (DFT) calculation.
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BIOLOGICAL CONTROL
·
2014
·
IF 1.873
Waseem Raza,Jun Yuan,Ning Ling,Qiwei Huang,Qirong Shen
The volatile organic compounds (VOCs) produced by antagonistic microbes have great antifungal potential against soil-borne fungal pathogens. The VOCs produced by Paenibacillus polymyxa strain WR-2 in the presence of root exudates and organic fertilizer were identified and their effects on the growth and spore germination of Fusarium oxysporum f. sp. niveum were evaluated. The VOCs produced by WR-2 inhibited the growth of F. oxysporum by 38%, 36% and 40% in agar medium, sterilized soil and natural soil, respectively. This inhibitory effect was increased to 60%, 58% and 64% with the addition of organic fertilizer in agar medium, sterilized soil and natural soil, respectively. The addition of root exudates did not affect the production of antifungal VOCs by WR-2. The VOCs produced by WR-2 completely inhibited the germination of F. oxysporum spores. Out of 42 identified VOCs, seven VOCs; benzothiazole, benzaldehyde, undecanal, dodecanal, hexadecanal, 2-tridecanone and phenol were found to inhibit the growth of F. oxysporum . The results of these experiments suggest another significance of using organic fertilizer as a carrier material with the biocontrol agents to control soil-borne fungal pathogens.
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ACS Applied Energy Materials
·
2025
·
IF 5.5
Dongxue Fan,Kai Cui,Yang Li,Caiqin Miao,Qun Wang,Xiaohong Wu
Flexible perovskite solar cells (F-PSCs) have demonstrated remarkable potential for next-generation wearable platforms. Nonetheless, the reduction of open-circuit voltage (VOC) at the interface within F-PSCs poses a significant barrier to improving the photoelectric conversion efficiency (PCE). Herein, we reported an effective “two birds with one stone” strategy by utilizing carbon dots (CDs) as a multifunctional treatment modulator to modify the SnO2 electron transport layer (ETL) and buried interface. On the one hand, CDs were explored to passivate trap states associated with Sn dangling bonds and oxygen vacancies on SnO2 surfaces through Lewis acid–base coordination, thereby enhancing the electron mobility of SnO2 films and facilitating charge extraction from perovskite layers. On the other hand, the functional groups (including carboxyl, fluorine, and amino) on CDs enable the formation of coordination and hydrogen bonding with PbI2, promoting the formation of high-quality perovskite films with reduced defect densities. The collective enhancements effectively mitigate trap-assisted charge recombination and interfacial energy loss, significantly reducing the device voltage deficit and enabling F-PSCs to attain a PCE of 22.97% with enhanced VOC from 1.06 to 1.18 V. Notably, CDs-incorporated devices demonstrate exceptional operational durability, maintaining 83% of initial PCE after 400 h of continuous illumination (AM 1.5G) in an air atmosphere and retaining 81% PCE following 4000 cyclic bending tests (6 mm radius). This methodology establishes a robust framework for simultaneously enhancing both the efficiency and stability in FAPbI3-based F-PSCs.
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ANALYTICA CHIMICA ACTA
·
2019
·
IF 5.256
Jun Yao,Min Chen,Nannan Li,Chaohui Liu,Mei Yang
As an ideal alternative to bisphenol A (BPA), bisphenol S (BPS) has similar biotoxicity, teratogenicity , carcinogenicity and mutagenicity as BPA. Nevertheless, to date, a fast, sensitive and portable method for meeting on-site measurement of BPS had not been established. Hence, it was particularly urged to develop a fast and highly sensitive method for tracing BPS. Currently, a novel molecularly imprinted polymer (MIP) electrochemical sensor had been successfully fabricated for the detection of BPS, wherein the composite of three-doped carbon quantum dots (B, N, F-CQDs) and silver nanoparticles (AgNPs) were utilized as an electron conducting layer, and MIP was applied as recognition element of target molecules. The step-by-step fabrication process and the adsorption capacity of the modified electrode were evaluated by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and chronocoulometry (CC). The results indicated that the synergy between B, N, F-CQDs and AgNPs dramatically improved the sensitivity of the electrode and achieved the amplification of the electrical signal. Meanwhile, the electrochemical activities of BPS were explored by CV and differential pulse voltammetry (DPV). And, the various parameters relating to the electrochemical kinetic properties of BPS were calculated. To the best of our knowledge, this was rarely reported in peer journals. The MIP remarkably improved the selectivity of the sensor owing to the specific recognition of the imprinted cavities. The linear response range of the new sensor was 1 × 10 −8 M to 5 × 10 −5 M with a detection limit of 1.12 × 10 −8 M and the electrode designed in this paper could meet the requirement of trace-level measurement of BPS in biological and environmental samples. Additionally, the sensor was used to determine BPS in plastic products with good anti-interference and acceptable recovery.
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