JOURNAL OF CHEMICAL RESEARCH
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2022
·
IF 1.097
Shaoxiong Wu,Lianyuan Wang,Haiyan Zhu,Jing Liang,Liang Ge,Cong Li,Ting Miao,Jian Li,Zhenxing Cheng
Chemical warfare agents, such as nerve agents (GD and VX) and blister agents (HD), have strong toxicities to mankind. In recent years, zirconium-based metal-organic frameworks have been found to be attractive materials for chemical warfare agent degradation. Among them, metal-organic framework-808 (MOF-808) and porous coordination network-222 (PCN-222) were the best. However, few papers pay attention to their practical application. In this work, we prepared MOF-808 and PCN-222 using water phase and organic solvothermal methods, respectively. Their performance for the catalytic degradation of chemical warfare agents under practical decontamination conditions was studied. The results showed that MOF-808 displayed a high potency for catalytic hydrolysis of VX (10,000 mg L−1) in unbuffered solution. PCN-222 exhibited weaker reactivity with a half-life (t1/2) of 28.8 min. Their different performances might stem from the different connectivity of the Zr6 nodes and framework structures. The results illustrated that the hydrolysis of high-concentration GD required a strong alkaline buffer to neutralize the hydrolysis product of hydrofluoric acid (HF) to avoid catalyst poisoning. When H2O2 was used as the oxidant instead of O2, both zirconium-based metal-organic frameworks performed with effective catalytic potency for HD degradation without any special lighting and so was suitable for practical application, whereas the products obtained from HD, such as HDO2 and V-HDO2, still possessed vesicant toxicity. Overall, MOF-808 prepared via a water-phase synthesis performed with effective catalysis for the degradation of high-concentration VX, GD, and HD with t1/2 of < 0.5, 3.1 and 2.2 min, respectively, exhibiting its potential for practical applications.
研究领域:
材料科学
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环境科学
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化学
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产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
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2024
·
IF 13.3
Wei Yang,Yan Zou,Zhihui Pang,Yanrong Zhang,Manabu Fujii
Sulfite [S(IV)] activation processes have aroused increasing attention in the field of wastewater treatment. In this study, a novel humic acid-derived carbon (HAC-10) material was demonstrated as highly active and environmentally friendly S(IV) activator for the efficient elimination of recalcitrant pharmaceutical contaminants. The results suggested that quinone groups and conductivity served as the active site/structure for S(IV) activation, while the rapid adsorption process of contaminant significantly reduced the migration distance of generated SO 4 – , thus facilitating the degradation processes. The carbon–S(IV)* complexes were confirmed to be the primary step to produce SO 4 – . The mineralization process of tetracycline hydrochloride (TC, a model pharmaceutical) could effectively reduce its biological toxicity. In addition, S(IV)/HAC-10 system exhibited excellent adaptability to different pharmaceuticals, natural water matrix and was capable of effectively eliminating contaminants in actual wastewater. Furthermore, a continuous flow reactor consisting of HAC-10 catalyst membrane showed excellent reactivity and durability. Overall, this study provides novel insights into the activation mechanism of S(IV) by carbon materials, and advances the practical application of S(IV) activation processes in the decontamination and detoxification of pharmaceutical wastewater.
研究领域:
环境科学
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废水处理
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污染控制
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产品关联
DOI
高影响因子
ADVANCED MATERIALS
·
2017
·Vol. 29
·期 12
·1605160
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IF 19.791
Wei Chen,Tao Qian,Jie Xiong,Na Xu,Xuejun Liu,Jie Liu,Jinqiu Zhou,Xiaowei Shen,Tingzhou Yang,Yu Chen,Chenglin Yan
Graphical A new type of amino polar binder with 3D network flexibility structure for high energy Li–S batteries is synthesized and successfully used with commercial sulfur powder cathodes. The binder shows significant performance improvement in capacity retention and high potential for practical application, which arouse the battery community's interest in the commercial application of high energy Li–S battery.
研究领域:
材料科学
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能源技术
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产品关联
DOI
PubMed
高影响因子
JOURNAL OF HAZARDOUS MATERIALS
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2020
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IF 9.038
Chen Wang,Yubei Liu,Mingjie Huang,Wei Xiang,Tao Zhou,Xiaohui Wu,Juan Mao
It was demonstrated in this study that appropriate concentrations of oxalate (Ox) would lead to greatly accelerated electro-generation of Fe 2+ but obviously lower power consumption in the Fered-Fenton system. Depending on the Ti electrode with pristine TiO 2 layer, effects of important parameters on the SMX degradation were investigated in the Fered-Fenton-Ox system. It was found that the heterogeneous interfacial electrochemically reduction of Fe III was critical in the Fered-Fenton-Ox system relying on the surface hydroxyl bonding Fe III -Ox and formation of Fe O Ti bonds. A heterogeneous-homogeneous reaction mechanism was therefore proposed. It included the heterogeneous interfacial electrochemical generation of Fe II -Ox and the heterogeneous-homogenous Fenton oxidation of pollutants. The promotional role of Ox would be also homogenous and heterogeneous, i.e. maintaining ferric at higher pH and forming specific Fe III -Ox complex as well as accelerating the solid-liquid interfacial heterogeneous iron cycle. Furthermore, a continuous-flow pilot study was conducted in treating a printing and dyeing industrial wastewater. As compared to conventional Fenton and Fered-Fenton systems, the Fered-Fenton-Ox system could achieve more efficient COD removal with a relative low cost/△COD, suggesting great advantages in its practical applications for treating real industrial complex wastewaters.
研究领域:
环境科学
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化学工程
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产品关联
DOI
PubMed
高影响因子
DALTON TRANSACTIONS
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2022
·Vol. 51
·期 40
·15354-15360
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IF 4.569
Dandan Chu,Yan Wang,Dong Li,Xue-Qiang Chu,Danhua Ge,Xiaojun Chen
In this study, we fabricated a novel non-enzymatic glucose sensor based on prism-like bimetallic alkaline carboxylate (CoNi–MIM). The morphology and structure of CoNi–MIM were carefully investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM), powder X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The electrochemical glucose oxidation of the synthesized sensor was then explored by cyclic voltammetry (CV) and chronoamperometry in alkaline medium. It was found that CoNi–MIM is the optimal choice with a remarkably high sensitivity of 5024.4 μA mM−1 cm−2, low detection limit of 56.1 nM (S/N = 3), linear response of up to 14.3 mM and excellent selectivity compared to Co-MIM, CoFe-MIM and CoMn-MIM. Furthermore, the as-fabricated sensor demonstrated appreciable practicality for the determination of glucose in real samples. These results indicate that CoNi–MIM holds a good application prospect in non-enzymatic glucose sensing.
研究领域:
分析化学
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材料科学
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生物医学工程
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产品关联
DOI
PubMed
高影响因子
Environmental Science-Water Research & Technology
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2022
·Vol. 8
·期 11
·2602-2613
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IF 5.819
Yanling Chen,Yajie Chen,Xue Bai
Metal–organic frameworks (MOFs) have been demonstrated to be promising catalysts in advanced oxidation processes (AOPs), while the poor recyclability due to the powder form limits their practical application. Herein, MIL-88A was successfully embedded in a chitosan matrix for the first time to form 3D micro–meso-structured beads (MIL-88A-CS) by an in situ growth method and the beads were used as heterogeneous peroxymonosulfate (PMS) activators to degrade tetracycline hydrochloride (TC-HCl). 97.1% TC-HCl was removed by the MIL-88A-CS/PMS system in 60 min. The main parameters affecting the TC-HCl degradation efficiency were studied. The sulfate radical (SO4˙−) and hydroxyl radical (˙OH) played dominant roles in the TC-HCl removal. The possible TC-HCl degradation mechanism of the MIL-88A-CS/PMS system was proposed. The excellent catalytic activity of MIL-88A-CS was attributed to the abundant Fe active sites, –COOH groups, and large specific surface area, as well as microporous and mesoporous structures. Reasonable degradation pathways were analyzed by identifying TC-HCl intermediates. Significantly, it is the first time to comprehensively assess the practical application potential of the MIL-88A-CS beads from the perspectives of ecotoxicity, reusability, stability, TC-HCl removal efficiency in actual water environments, and economic applicability. This work provides a promising PMS activator for the removal of emerging contaminants and promotes the practical application of MOFs in wastewater treatment.
研究领域:
环境科学
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材料科学
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产品关联
DOI
高影响因子
FOOD CHEMISTRY
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2023
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IF 8.8
Mengyu Liao,Jinghui Gao,Yao Shen,Zheng Lv,Ziyuan Wang,Jie Liu,Zhiyi Yao
Rapid and simultaneous detection of Alkylresorcinols (ARs) and ferulic acid (FA) could evaluate qualities of commercial wheat products comprehensively and improving product quality. In this work, we have developed a colorimetric strategy for rapid and simultaneous detection of ARs and FA by using in-situ coupling reaction between analytes and diazotized small molecule probe in aqueous media. This strategy featured a rapid response, obvious color change, simple preprocessing, high sensitivity and selectivity. The limit of detection (LOD) can be as low as 0.244 μM and 0.5 μM for ARs and FA, respectively. The sensing mechanism was investigated by spectroscopy technique. Excellent practical application of this method was further confirmed to simultaneously monitor ARs and FA in real samples. The accuracy of the method could be reached to 95.0 % and 99.6 % for ARs and FA respectively. To our knowledge, this work firstly reported a sensor for ARs and FA simultaneous determination.
研究领域:
分析化学
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食品科学
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光谱学
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产品关联
DOI
PubMed
高影响因子
ADVANCED FUNCTIONAL MATERIALS
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2023
·Vol. 33
·期 35
·2303719
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IF 19
Nuo Shang,Keliang Wang,Manhui Wei,Yayu Zuo,Pengfei Zhang,Hengwei Wang,Zhuo Chen,Daiyuan Zhong,Pucheng Pei
Flexible Zn–air batteries (FZABs) have attracted more attention due to their high specific energy, excellent stability, and unique rechargeability. However, these batteries are limited by the low conductivity of the gel electrolytes used. Here a quasi-liquid gel with ionic conductivity comparable to liquid electrolytes is presented. The gel pore structure is guided and modified in situ with large-size silica to achieve clear and unbroken pores. The reduced skeleton structure leads to a significant increase in ionic conductivity to 562.6 mS cm −1 , enabling a peak power density of 154 mW cm −2 and a cycle life of over 40 h with a low charge–discharge gap. The FZABs also exhibit a high lifetime and potential advantages in 10 mA cm −2 charge/discharge testing, and demonstrate excellent performance in practical applications. This study offers new possibilities for developing high-performance quasi-liquid gels and innovative concepts for FZABs.
研究领域:
能源存储
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材料科学
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电化学
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产品关联
DOI
高影响因子
SENSORS AND ACTUATORS B-CHEMICAL
·
2015
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IF 4.097
Kangming Xiong,Fangjun Huo,Caixia Yin,Yueying Chu,Yutao Yang,Jianbin Chao,Anmin Zheng
We have developed two new colorimetric and fluorescent probes for hypochlorite based on a novel recognition mechanism: amido oxidized nitroso-group by hypochlorites, which realized the preparation of nitroso compounds. Furthermore, 1 H NMR, ESI-MS and theoretical calculation proved the recognition mechanism. In addition, the probe 2 was applied in practical applications such as detecting the hypochlorite concentration of sodium hypochlorite disinfectant and bioimagings.
研究领域:
分析化学
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生物化学
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材料科学
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产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
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2024
·
IF 13.3
Ming Zhang,Shenglin Yang,Weijie Zhong,Huimin Wang,U.T. Uthappa,Ben Wang
The escalating spread of micro/nanoplastics (MPs/NPs), originating from plastic waste fragmentation in the environment, is a growing global concern with detrimental effects on aquatic ecosystems. Previous methods for MPs/NPs treatment/removal poses significant challenges such as filtration, sedimentation efficiency, potential introduction of additional pollutants and expensive fabrication steps. In the current work, for the first-time keratin (KER)-based biohybrid micro/nanorobots obtained by facile decorations of iron-oxide microspheres with magnetic capabilities designed to dynamically remove (MPs/NPs) through various chemical/physical interactions, precise magnetic actuation, and improved surface functionalities. By integrating iron-oxide microspheres , keratin biohybrids achieve accurate motility and manipulation via external magnetic field regulation. This fuel free keratin magnetic micro/nanorobots (KMNRs) exhibit notable adsorptive removal efficiencies of 95% and 82% for (MPs/NPs) in water, offering diverse potentiality. Additionally, KMNRs demonstrated excellent recyclability, enhancing their sustainability. With eco-friendly, cost-effective, and real-world application attributes, designed KMNRs present an appealing approach to addressing MPs/NPs pollution.
研究领域:
环境科学
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材料科学
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纳米技术
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废物管理
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产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
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2023
·
IF 15.1
Xiao-Jing Guo,Meng-Chen Huang,Chao-Hua Xue,Hui-Di Wang,Zhong-Xue Bai,Yong-Gang Wu,Chao-Qun Ma,Zhong-Yang Shao,Zi-Hao Jiang,Li Wan,A-Jun Chang,Jing Li,Hong-Wei Wang,Qiu-Feng An
Sustainable superhydrophobicity is of significance for practical application of superhydrophobic coatings. We fabricated a mechanically stable superhydrophobic coating with self-healing performance by spray-coating a composite suspension of poly(vinyl butyral)-hexamethylene diisocyanate and octadecylamine (PVB-HDI/ODA) on various substrates. In the as-obtained composite, PVB-HDI formed 3D self-crosslinked polymer networks which not only impart the coating with high mechanical stability but also provide strong bonding force between the coating and the substrate, and ODA formed pedal-like structures which roughened the coating surface with low surface energy. Consequently, the coating possessed superhydrophobicity with a water contact angle up to 163.9° and a sliding angle lower to 1.0°. Notably, the as-obtained coating sustained its water repellency even after being exposed to various mechanical and chemical treatments. Moreover, the coating exhibited a self-healing ability in superhydrophobicity against O 2 plasma etching. Such mechanical and chemical stabilities with self-healing ability are favourable to the superhydrophobic coating to prolong the lifespan for practical applications.
研究领域:
材料科学
·
表面工程
·
涂层技术
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）