1
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Rostami MS, Khodaei MM. Preparation and characterization of CS/PAT/ MWCNT@MgAl-LDHs nanocomposite for Cd 2+ removal and 4-nitrophenol reduction. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2024; 22:179-195. [PMID: 38887760 PMCID: PMC11180081 DOI: 10.1007/s40201-023-00885-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 11/07/2023] [Indexed: 06/20/2024]
Abstract
The present study evaluated the performance of multiwalled carbon nanotube (MWCNT)@MgAl-layered double hydroxide (LDH) nanoparticles loaded on poly-2 aminothiazole (PAT)/chitosan (CS) matrix (CPML) to remove Cd2+ ions from aqueous solution. The removal efficiency of modified CS/PAT with MWCNT@MgAl-LDHs was increased significantly compared to pure CS/PAT. The influence of heavy metal ion concentration, pH, temperature, adsorbent dosage, and contact time on the adsorption was examined. The optimum conditions for the adsorption of Cd2+ ions were 25 0C with the adsorbent dosage of 0.06 g and initial concentration for adsorption of the Cd2+ 100 mg/L at pH = 8. The maximum adsorption capacity was measured to be 1106.19 mg/g. The values of thermodynamic parameters namely Gibbs free energy (ΔG°), entropy change (ΔS°), and enthalpy change (ΔH°) indicated the feasibility, spontaneity and the endothermic nature of the adsorption process, respectively. The pseudo-second-order kinetics and the Langmuir model were selected as the best models for the adsorption process. Also, CPML nanocomposite (NC) was successfully tested for p-nitrophenol (p-NP) reduction in the presence of NaBH4. The reaction was nearly completed in 6 min. The fabricated CPML-NC could be reused for three consecutive cycles.
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Affiliation(s)
| | - Mohammad Mehdi Khodaei
- Department of Organic Chemistry, Razi University, Kermanshah, 67149-67346 Iran
- Nanoscience and Nanotechnology Research Center, Razi University, Kermanshah, 67149-67346 Iran
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2
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Wu J, Yan W, Xie M, Zhong K, Cui S, Shen X. Ag Nanoparticles Deposited onto BaTiO 3 Aerogel for Highly Efficient Photodegradation. Gels 2024; 10:378. [PMID: 38920925 PMCID: PMC11203184 DOI: 10.3390/gels10060378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/23/2024] [Accepted: 05/27/2024] [Indexed: 06/27/2024] Open
Abstract
Given the increasingly severe environmental problems caused by water pollution, the degradation of organic dyes can be effectively achieved through the utilization of photocatalysis. In this work, metal alkoxides and a combination of alcohol/hydrophobic solvents are employed to prepare BaTiO3 aerogels via a liquid-phase and template-free synthetic route. The preparation process of the aerogels solely entails facile agitation and supercritical drying, eliminating the need for additional heat treatment. The binary solvent of ethanol and toluene is identified as the optimal choice, resulting in a significantly enhanced surface area (up to 223 m2/g) and an abundant pore structure of BaTiO3 aerogels compared to that of the BaTiO3 nanoparticles. Thus, the removal efficiency of the BaTiO3 aerogel sample for MO is nearly twice as high as that of the BaTiO3 nanoparticles sample. Noble metal Ag nanoparticles' deposition onto the BaTiO3 aerogel surface is further achieved via the photochemical deposition method, which enhances the capture of photogenerated electrons, thereby ensuring an elevated level of photocatalytic efficiency. As a result, Ag nanoparticles deposited on BaTiO3 aerogel can degrade MO completely after 40 min of illumination, while the corresponding aerogel before modification can only remove 80% of MO after 60 min. The present work not only complements the preparatory investigation of intricate aerogels but also offers a fresh perspective for the development of diverse perovskite aerogels with broad applications.
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Affiliation(s)
- Jun Wu
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China; (J.W.); (W.Y.)
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 211816, China
| | - Wen Yan
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China; (J.W.); (W.Y.)
| | - Mengyuan Xie
- CTC Nanjing Guocai Testing Limited Corporation, Nanjing 210046, China;
| | - Kai Zhong
- The 55th Research Institute of China Electronics Technology Group Corporation, Nanjing 211111, China;
| | - Sheng Cui
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China; (J.W.); (W.Y.)
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 211816, China
| | - Xiaodong Shen
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China; (J.W.); (W.Y.)
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 211816, China
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3
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Xu X, Yang L, Cui Y, Hu B. A study on rapid and stable catalytic reduction of 4-nitrophenol by 2-hydroxyethylamine stabilized Fe 3O 4@Pt and its kinetic factors. RSC Adv 2023; 13:25828-25835. [PMID: 37655348 PMCID: PMC10467567 DOI: 10.1039/d3ra05298b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 08/24/2023] [Indexed: 09/02/2023] Open
Abstract
The successful development of efficient and stable catalysts for 4-NP reduction reactions is beneficial to the environment and ecology. Fe3O4@Pt exhibits excellent catalytic performance for 4-NP reduction reaction due to the synergistic effect between Fe and Pt. But its structure and catalytic performance are extremely unstable. Here, we utilized the small-scale organic compound 2-hydroxyethylamine as surfactant to construct a stable composite nanomaterial. Then investigated the influence of monochromatic light (650 nm, 808 nm and 980 nm) and temperature on the kinetics of 4-NP reduction reaction by 2-hydroxyethylamine stabilized Fe3O4@Pt. The results indicate that both temperature and monochromatic light radiation can affect kinetic regulation. Increasing temperature can promote the catalytic rate, while monochromatic light radiation can induce agglomeration and inhibit the catalytic rate. This study opens up a new way for developing and regulating catalysts for heterogeneous catalysis reactions.
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Affiliation(s)
- Xia Xu
- College of Science, Gansu Agricultural University No.1, Yingmen Village Lanzhou 730070 P. R. China
| | - Liming Yang
- College of Science, Gansu Agricultural University No.1, Yingmen Village Lanzhou 730070 P. R. China
| | - Yanjun Cui
- College of Science, Gansu Agricultural University No.1, Yingmen Village Lanzhou 730070 P. R. China
| | - Bing Hu
- College of Science, Gansu Agricultural University No.1, Yingmen Village Lanzhou 730070 P. R. China
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4
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Xu X, Li M, Yang L, Hu B. Remarkably and stable catalytic activity in reduction of 4-nitrophenol by sodium sesquicarbonate-supporting Fe 2O 3@Pt. RSC Adv 2023; 13:13556-13563. [PMID: 37152584 PMCID: PMC10155080 DOI: 10.1039/d3ra01930f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 04/26/2023] [Indexed: 05/09/2023] Open
Abstract
Reasonable design of bimetallic nanomaterials with support is beneficial to improve catalytic performance. This work reports a new kind of sodium sesquicarbonate-supporting Fe2O3@Pt via etching Fe3O4@Pt@SiO2, which exhibits highly efficient and stable catalytic reduction performance towards 4-NP. Sodium sesquicarbonate-supporting Fe2O3@Pt has an interconnected one-dimensional network structure that provides sufficient channels for mass transfer. At the same time, a large amount of Fe2O3@Pt is exposed on its surface, which hinders the aggregation of pt clusters and Fe2O3 nanoparticles, and facilitates the direct contact of Fe2O3@Pt reaction sites with reactant molecules, thus improving the catalytic rate of 4-NP reduction reaction. Moreover, the introduction of non-metallic Fe can not only reduce the consumption of precious metal Pt, but also improve the catalytic efficiency due to the synergistic effect. This study opens up a new avenue to develop robust catalysts for heterogeneous catalytic reactions.
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Affiliation(s)
- Xia Xu
- College of Science, Gansu Agricultural University Lanzhou 730070 P. R. China
| | - Mingqiang Li
- College of Chemistry, Xinjiang University Urumqi Xinjiang 830046 P. R. China
| | - Liming Yang
- College of Science, Gansu Agricultural University Lanzhou 730070 P. R. China
| | - Bing Hu
- College of Science, Gansu Agricultural University Lanzhou 730070 P. R. China
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5
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Chen J, Guo Z, Xin Y, Gu Z, Zhang L, Guo X. Effective remediation and decontamination of organophosphorus compounds using enzymes: From rational design to potential applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 867:161510. [PMID: 36632903 DOI: 10.1016/j.scitotenv.2023.161510] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 06/17/2023]
Abstract
Organophosphorus compounds (OPs) have been widely used in agriculture for decades because of their high insecticidal efficiency, which maintains and increases crop yields worldwide. More importantly, OPs, as typical chemical warfare agents, are a serious concern and significant danger for military and civilian personnel. The widespread use of OPs, superfluous and unreasonable use, has caused great harm to the environment and food chain. Developing efficient and environmentally friendly solutions for the decontamination of OPs is a long-term challenge. Microbial enzymes show potential application as natural and green biocatalysts. Thus, utilizing OP-degrading enzymes for environmental decontamination presents significant advantages, as these enzymes can rapidly hydrolyze OPs; are environmentally friendly, nonflammable, and noncorrosive; and can be discarded safely and easily. Here, the properties, structure and catalytic mechanism of various typical OP-degrading enzymes are reviewed. The methods and effects utilized to improve the expression level, catalytic performance and stability of OP-degrading enzymes were systematically summarized. In addition, the immobilization of OP-degrading enzymes was explicated emphatically, and the latest progress of cascade reactions based on immobilized enzymes was discussed. Finally, the latest applications of OP-degrading enzymes were summarized, including biosensors, nanozyme mimics and medical detoxification. This review provides guidance for the future development of OP-degrading enzymes and promotes their application in the field of environmental bioremediation and medicine.
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Affiliation(s)
- Jianxiong Chen
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Zitao Guo
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Yu Xin
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Zhenghua Gu
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Liang Zhang
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China.
| | - Xuan Guo
- State Key Laboratory of NBC Protection for Civilian, Research Institute of Chemical Defense, Academy of Military Science, Beijing 102205, China; CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
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6
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Hou J, Si L, Shi Z, Miao C, Zhao Y, Ji X, Hou Q, Ai S. Effective adsorption and catalytic reduction of nitrophenols by amino-rich Cu(I)-I coordination polymer. CHEMOSPHERE 2023; 311:136903. [PMID: 36280123 DOI: 10.1016/j.chemosphere.2022.136903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
Nitrophenols are identified as the priority organic pollutants due to the chemical stability, water solubility, persistence, and toxicity to human health and the environment. Hence, removal of nitrophenols from waste water is vitally essential. In this study, amino-rich coordination polymer Cu2I2(MA)2 (MA = melamine) has been applied for efficient adsorption and catalytic reduction of nitrophenols, like 4-nitrophenol (4-NP), 2, 4-dinitrophenol (DNP) and 2, 4, 6-trinitrophenol (TNP). The effect of various parameters like contact time, initial concentrations, pH, and temperature on adsorption were investigated. The adsorption of nitrophenols fitted the pseudo-second-order kinetic model and Langmuir isotherms model well. The maximum adsorption capacities were 285.71, 232.02, and 131.57 mg g-1 for 4-NP, DNP, and TNP when initial concentrations were 50 mg L-1 at 293.15 K, respectively. The adsorption of nitrophenols is a spontaneous, endothermic, and entropy-driven process. The reduction reaction followed the pseudo-first-order kinetics, and the kinetic rate constants were 0.4413, 0.3167, and 0.17538 min-1 for 4-NP, DNP, and TNP, respectively. The effect of initial nitrophenols concentration, anions, and temperature on reduction process was investigated. The mechanism of adsorption and catalytic reduction of Cu2I2(MA)2 was studied. The results demonstrated that Cu2I2(MA)2 exhibits excellent adsorption and catalytic activity to remove nitrophenols.
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Affiliation(s)
- Jiayi Hou
- College of Chemistry and Material Science, Shandong Agricultural University; Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Taian, Shandong, 271018, PR China
| | - Lin Si
- College of Food Science and Engineering, Shandong Agricultural University, Taian, Shandong, 271018, PR China
| | - Zekun Shi
- College of Food Science and Engineering, Shandong Agricultural University, Taian, Shandong, 271018, PR China
| | - Chengxia Miao
- College of Chemistry and Material Science, Shandong Agricultural University; Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Taian, Shandong, 271018, PR China
| | - Yan Zhao
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, Shandong, 271018, PR China
| | - Xiangshan Ji
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, Shandong, 271018, PR China
| | - Qin Hou
- College of Chemistry and Material Science, Shandong Agricultural University; Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Taian, Shandong, 271018, PR China.
| | - Shiyun Ai
- College of Chemistry and Material Science, Shandong Agricultural University; Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Taian, Shandong, 271018, PR China.
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7
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Esquivel-Castro TA, Martínez-Luévanos A, Cabrera AR, García-Cerda LA, Esparza-González SC, Ibarra-Alonso MC, Estrada-Flores S. ZrO2 aerogels as drugs delivery platforms: Synthesis, cytotoxicity, and diclofenac delivery. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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8
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El-Aal MA, Ali HM, Ibrahim SM. Cu-Doped 1D Hydroxyapatite as a Highly Active Catalyst for the Removal of 4-Nitrophenol and Dyes from Water. ACS OMEGA 2022; 7:26777-26787. [PMID: 35936455 PMCID: PMC9352244 DOI: 10.1021/acsomega.2c03106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/11/2022] [Indexed: 05/24/2023]
Abstract
Metallic copper nanoparticle (Cu NP)-doped 1D hydroxyapatite was synthesized using a simple chemical reduction method. To describe the structure and composition of the Cu/HAP nanocomposites, physicochemical techniques such as X-ray diffraction, Fourier transform infrared spectroscopy, inductively coupled plasma, N2 adsorption-desorption, X-ray photoelectron spectroscopy, and high-resolution transmission electron microscopy were used. The TEM scan of the Cu/HAP nanocomposite revealed a rod-like shape with 308 nm length and 117 nm width on average. The catalytic activity of Cu/HAP nanocomposites for the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) in the presence of NaBH4 has been thoroughly investigated. The 0.7% Cu/HAP nanocomposite was shown to have superior catalytic activity than the other nanocomposites, converting 4-NP to 4-AP in ∼1 min with good recyclability. Moreover, this nanocomposite showed excellent catalytic performance in the organic dye reduction such as Congo red and acriflavine hydrochloride dyes. The high dispersion of Cu NPs on HAP support, the high specific surface area, and the small Cu particles contributed to its remarkable catalytic performance.
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Affiliation(s)
- Mohamed Abd El-Aal
- Catalysis
and Surface Chemistry Lab, Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
| | - Hazim M. Ali
- Department
of Chemistry, College of Science, Jouf University, P.O. Box 2014 Sakaka, Aljouf, Saudi Arabia
| | - Samia M. Ibrahim
- Chemistry
Department, Faculty of Science, New Valley
University, El-Kharga 72511 New Valley, Egypt
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9
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Wang Y, Bi Z, Zhao X, Abdukayum A, Zhou S, Zhang H, Chen J, Tan F, Chen A, Wågberg T, Hu G. Fast room-temperature hydrogenation of nitroaromatics on Pd nanocrystal-boron cluster/graphene oxide nanosheets. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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10
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NiCo2O4 nanoparticles anchored on reduced graphene oxide with enhanced catalytic activity towards the reduction of p-Nitrophenol in water. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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11
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Zhao H, Pang X, Huang Y, Bai Y, Ding J, Bai H, Fan W. Electrocatalytic reduction of 4-nitrophenol over Ni-MOF/NF: understanding the self-enrichment effect of H-bonds. Chem Commun (Camb) 2022; 58:4897-4900. [PMID: 35352713 DOI: 10.1039/d2cc00111j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The chemical adsorption and active sites play a key role in electrocatalysis, so Ni-MOF/nickel foam was fabricated for efficiently reducing 4-nitrophenol (4-NP) without any sacrificial agents. The coordinated water molecules induced the formation of hydrogen bonds (H-bonds) with the nitro group, contributing to the self-enrichment of 4-NP. The reaction rate reached 0.351 μmol min-1 mg-1. Therefore, this work provides a new insight into the H-bond effect in the field of electrocatalysis.
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Affiliation(s)
- Huaiquan Zhao
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China.
| | - Xuliang Pang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China.
| | - Yifei Huang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China.
| | - Yajie Bai
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China.
| | - Jinrui Ding
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China.
| | - Hongye Bai
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China.
| | - Weiqiang Fan
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China.
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12
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Ji C, Zheng J, Jin Y, Yin X, Han S, Zhang M. In Site Generation of Well‐Dispersed Ag
3
PO
4
NPs on Protein‐Inorganic Hybrid Nanoflowers with Enhanced Catalytic Performance. ChemistrySelect 2022. [DOI: 10.1002/slct.202104143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chunxiao Ji
- Department of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 P. R. China
| | - Jing Zheng
- Department of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 P. R. China
| | - Yuqin Jin
- Department of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 P. R. China
| | - Xue‐bo Yin
- Department of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 P. R. China
| | - Suping Han
- Department of Pharmacy Shandong Medical College No.5460 Erhuannanlu Road Jinan 250002 China
| | - Min Zhang
- Department of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 P. R. China
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13
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Tan X, Yang Q, Sun X, Sun P, Li H. PdIr Aerogels with Boosted Peroxidase-like Activity for a Sensitive Total Antioxidant Capacity Colorimetric Bioassay. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10047-10054. [PMID: 35133815 DOI: 10.1021/acsami.1c22625] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Metallic aerogels (MAs), imparting the active catalytic properties of nanostructured noble metals to macroscopic aerogels, draw tremendous interest in diverse fields owing to the unique features of three-dimensional interconnected channels, self-supported architectures, and pure metallic backbones. Moreover, flexible manipulation of compositions, high electrical conductivity, and abundant active sites of MAs contribute to the great potential to mimic natural enzymes. However, the cumbersome synthetic process takes a couple of hours to days, and unavoidable impurities usually impede surface electrons/mass transfer, posing the decrease of stability and enzyme-like activity of MAs. Here, a PdIr bimetallic aerogel prepared in the ethanol phase via spontaneous assembly and a surfactant-free strategy is reported. Gelation kinetics of PdIr aerogels in ethanol is increased with 2-4 orders of magnitude compared to the traditional preparation method in water. Owing to the intrinsic physicochemical properties, PdIr aerogels exhibit the high activity of peroxidase mimics using 3,3',5,5'-tetramethylbenzidine as a chromogenic probe. In addition, the PdIr aerogels maintain relatively high activity at an elevated temperature and pH of 3-7, demonstrating their good stability and survivability. Utilizing the exceptional peroxidase-like activity of PdIr aerogels, we realized the quantitative bioassay for H2O2 and total antioxidant capacity, indicating enormous potential in the quality evaluation of real samples.
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Affiliation(s)
- Xiaofeng Tan
- Center for Molecular Imaging Probe, Hunan Province Key Laboratory of Tumor Cellular and Molecular Pathology, Cancer Research Institute, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
- College of Optoelectronics Technology, Chengdu University of Information Technology, Chengdu 610225, China
| | - Qinglai Yang
- Center for Molecular Imaging Probe, Hunan Province Key Laboratory of Tumor Cellular and Molecular Pathology, Cancer Research Institute, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Ximei Sun
- Center for Molecular Imaging Probe, Hunan Province Key Laboratory of Tumor Cellular and Molecular Pathology, Cancer Research Institute, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Ping Sun
- College of Optoelectronics Technology, Chengdu University of Information Technology, Chengdu 610225, China
| | - He Li
- College of Optoelectronics Technology, Chengdu University of Information Technology, Chengdu 610225, China
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14
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Wang Z, Sun Y. A hybrid nanobiocatalyst with in situ encapsulated enzyme and exsolved Co nanoclusters for complete chemoenzymatic conversion of methyl parathion to 4-aminophenol. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127755. [PMID: 34799161 DOI: 10.1016/j.jhazmat.2021.127755] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 10/25/2021] [Accepted: 11/08/2021] [Indexed: 06/13/2023]
Abstract
Combination of enzymatic and chemical reactions provides tremendous possibilities for chemoenzymatic cascade processes. However, constructing efficient hybrid catalysts still faces great challenges. Herein, we develop a hybrid catalyst by in situ encapsulating organophosphorus hydrolase (OPH) into a Zn-doped Co-based ZIF (0.8CoZIF) via biomimetic mineralization for the chemoenzymatic cascade conversion of methyl parathion to 4-nitrophenol and then 4-aminophenol. The exsolved Co nanoclusters in Zn/Co-ZIF are found to catalyze 4-nitrophenol reduction into 4-aminophenol in the presence of sodium borohydride (NaBH4). The as-synthesized OPH@0.8CoZIF catalyzes the complete conversion of 95 μM methyl parathion at nearly 100% 4-aminophenol production in the presence of 50 mM NaBH4 within 15 min, which is 1/4 that of the physical mixture of OPH and 0.8CoZIF, benefiting from the MP accumulation and substrate channeling in the hybrid catalyst. The maximum cascade conversion rate of MP to 4-AP reaches 8.07 μmol·min-1·g-catalyst-1, which is higher than most of the reported chemoenzymatic cascade catalysts. Therefore, the hybrid nanocatalyst containing Co-ZIF-based catalyst and OPH is successfully fabricated and enables to catalyze the complete conversion of a toxic pollutant like methyl parathion into a non-toxic resource like 4-aminophenol for recycling in useful chemical synthesis through efficient one-pot cascade reactions.
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Affiliation(s)
- Zhenfu Wang
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Yan Sun
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China; Key Laboratory of Systems Bioengineering and Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin 300350, China.
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15
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Gholinejad M, Naghshbandi Z, Sansano JM. Zeolitic imidazolate frameworks-67 (ZIF-67) supported PdCu nanoparticles for enhanced catalytic activity in Sonogashira-Hagihara and nitro group reduction under mild conditions. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2021.112093] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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16
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Shen B, Ding R, Dai J, Ji Y, Wang Q, Wang Y, Huang H, Zhang X. Encapsulating nitroreductase into metal-organic framework: Boosting industrial performance for the reduction of nitro-aromatics. GREEN SYNTHESIS AND CATALYSIS 2021. [DOI: 10.1016/j.gresc.2021.09.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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Zeng Y, Li Y, Tan X, Gong J, Wang Z, An Y, Wang Z, Li H. B,N-Doped PdRu Aerogels as High-Performance Peroxidase Mimics for Sensitive Detection of Glucose. ACS APPLIED MATERIALS & INTERFACES 2021; 13:36816-36823. [PMID: 34319065 DOI: 10.1021/acsami.1c07987] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Among plentiful porous nanomaterials, noble metal aerogels taken as nanozymes attract broad attention in sensing applications with their distinct enzyme mimic functions. In the catalytic field, the heteroatom doping strategy is a kind of way with great promise in improving the enzyme mimic activity of noble metal aerogels. In this experiment, we find a type of creative materials that were prepared by the fast and simple method. Due to the unique porous structure and synergetic effect from doped atoms, PdRu aerogels co-doped with boron and nitrogen (B, N-PdRu aerogels) were prepared using NH3BH3 as a reductant, which present improved peroxidase mimicking activity. With the existence of H2O2, the oxidation of 3,3',5,5'-tetramethylbenzidine was catalyzed by B, N-PdRu aerogels fairly efficiently, whose solution would be a blue appearance at optimum absorption wavelength 652 nm. Thus, by the tandem reaction bound to the enzyme glucose oxidase, the B, N-PdRu aerogels can be used for the sensitive determination of glucose. The new method has a good linear detection effect for glucose in the range of 10 μM to 2 mM. The minimum limit of detection can reach as low as 6 μM. This work will contribute to research on the rational design of metal aerogels based on the heteroatomic doping strategy and enhance the corresponding performance for a variety of applications.
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Affiliation(s)
- Yuting Zeng
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
| | - Yan Li
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
| | - Xiaofeng Tan
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
| | - Jindi Gong
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
| | - Ziyu Wang
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
| | - Yuhao An
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
| | - Zhenqiang Wang
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
| | - He Li
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
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Hussain I, Farooqi ZH, Ali F, Begum R, Irfan A, Wu W, Wang X, Shahid M, Nisar J. Poly(styrene@N-isopropylmethacrylamide-co-methacrylic acid)@Ag hybrid particles with excellent catalytic potential. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116106] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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