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Kim T, Paek SM, Wang KK, Park JK, Salles F, Oh JM. Controlled Molecular Arrangement of Cinnamic Acid in Layered Double Hydroxide through pi-pi Interaction for Controlled Release. Int J Mol Sci 2024; 25:4506. [PMID: 38674090 PMCID: PMC11050039 DOI: 10.3390/ijms25084506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Cinnamic acid (CA) was successfully incorporated into Zn-Al layered double hydroxide (LDH) through coprecipitation. The CA moiety was stabilized in the interlayer space through not only electrostatic interaction but also intermolecular π-π interaction. It was noteworthy that the CA arrangement was fairly independent of the charge density of LDH, showing the important role of the layer-CA and CA-CA interactions in molecular stabilization. Computer simulations using the Monte Carlo method as well as analytical approaches including infrared, UV-vis spectroscopy, and differential scanning calorimetry showed the existence of intermolecular interaction. In order to reinforce molecular stabilization, a neutral derivative of CA, cinnamaldehyde (CAD), was additionally incorporated into LDH. It was clearly shown that CAD played a role as a π-π interaction mediator to enhance the stabilization of CA. The time-dependent release of CA from LDH was first governed by the layer charge density of LDH; however, the existence of CAD provided additional stabilization to the CA arrangement to slow down the release kinetics.
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Affiliation(s)
- Taeho Kim
- Department of Energy and Materials Engineering, Dongguk University, Seoul 04620, Republic of Korea;
| | - Seung-Min Paek
- Department of Chemistry, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Kang-Kyun Wang
- BI Bio-Photonics Co., Ltd., Gimpo-si 10090, Republic of Korea;
| | - Jin Kuen Park
- Department of Chemistry, Hankuk University of Foreign Studies, Yongin 17035, Republic of Korea;
| | - Fabrice Salles
- Institute Charles Gerhardt des Matériaux (ICGM), Université de Montpellier, CNRS, ENSCM, 34090 Montpellier, France
| | - Jae-Min Oh
- Department of Energy and Materials Engineering, Dongguk University, Seoul 04620, Republic of Korea;
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2
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Allwyn N, Gokulnath S, Sathish M. In-Situ Nanoarchitectonics of Fe/Co LDH over Cobalt-Enriched N-Doped Carbon Cookies as Facile Oxygen Redox Electrocatalysts for High-Rate Rechargeable Zinc-Air Batteries. ACS Appl Mater Interfaces 2024. [PMID: 38619401 DOI: 10.1021/acsami.3c19483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
The reality of long-term rechargeable and high-performance zinc-air batteries relies majorly on cost-effective and eminent bifunctional electrocatalysts, which can perform both the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER). Herein, we demonstrate a new approach for the synthesis of in-situ-grown layered double hydroxide of iron and cobalt over a cobalt nanoparticle-enriched nitrogen-doped carbon frame (CoL 2:1) by a simple coprecipitation reaction with facile scale-up and explore its electrocatalytic ORR and OER activity for an electrically rechargeable zinc-air battery. Consequently, the developed composite displays excellent ORR and OER activity with an ORR half-wave potential of 0.84 V, a limiting current density of 5.85 mA/cm2, and an OER overpotential of 320 mV with exceptional stability. The outstanding bifunctionality index of the catalyst (ΔE = 0.72 V) inspired us to utilize it as a cathode catalyst in an in-house developed prototype zinc-air battery. The battery could easily supply a specific capacity of 804 mAh/g with a maximum peak power density of 161 mW/cm2. The battery exhibits an attractive charge-discharge profile with a lesser voltage gap of 0.76 V at 10 mA/cm2 with durability for a period of 200 h and a voltage efficiency of 97%, which surpassed the corresponding Pt/C + RuO2-based zinc-air battery. Further, a maximum load of 50 mA/cm2 could easily be sustained during cycling, revealing its outstanding stability. A series-connected two CoL 2:1-based zinc-air batteries effortlessly enlighten a pinwheel fan and LED panel simultaneously, revealing its practicality. The high electrical conductivity and greater specific surface area of Co/N-C and its robust attachment with Fe/Co LDH preserves both active sites, thereby resulting in exceptional performance. Our method is capable of being flexible enough to create various bifunctional Co/N-C-based composite electrodes, opening up a feasible pathway to rechargeable zinc-air batteries with maximum energy density.
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Affiliation(s)
- Nadar Allwyn
- Electrochemical Power Sources Division, CSIR-CECRI, Karaikudi 630 003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Subramaniam Gokulnath
- Electrochemical Power Sources Division, CSIR-CECRI, Karaikudi 630 003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Marappan Sathish
- Electrochemical Power Sources Division, CSIR-CECRI, Karaikudi 630 003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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3
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Qin S, Yang G, Wang S, Ma Y, Wang Z, Wang L, Liu D, Lei W. Tunable Surface Charge of Layered Double Hydroxide Membranes Enabling Osmotic Energy Harvesting from Anion Transport. Small 2024:e2400850. [PMID: 38616735 DOI: 10.1002/smll.202400850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/24/2024] [Indexed: 04/16/2024]
Abstract
Membrane-based osmotic energy harvesting is a promising technology with zero carbon footprint. High-performance ion-selective membranes (ISMs) are the core components in such applications. Recent advancement in 2D nanomaterials opens new avenues for building highly efficient ISMs. However, the majority of the explored 2D nanomaterials have a negative surface charge, which selectively enhances cation transport, resulting in the underutilization of half of the available ions. In this study, ISMs based on layered double hydroxide (LDH) with tunable positive surface charge are studied. The membranes preferentially facilitate anion transport with high selectivity. Osmotic energy harvesting device based on these membranes reached a power density of 2.31 W m-2 under simulated river/sea water, about eight times versus that of a commercial membrane tested under the same conditions, and up to 7.05 W m-2 under elevated temperature and simulated brine/sea water, and long-term stability with consistent performance over a 40-day period. A prototype reverse electrodialysis energy harvesting device, comprising a pair of LDH membranes and commercial cation-selective membranes, is able to simultaneously harvest energy from both cations and anions achieving a power density of 6.38 W m-2 in simulated river/sea water, demonstrating its potential as building blocks for future energy harvesting systems.
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Affiliation(s)
- Si Qin
- Institute for Frontier Materials, Deakin University, 75 Pigdons Rd, Waurn Ponds, Victoria, 3216, Australia
| | - Guoliang Yang
- Institute for Frontier Materials, Deakin University, 75 Pigdons Rd, Waurn Ponds, Victoria, 3216, Australia
| | - Shana Wang
- Institute for Frontier Materials, Deakin University, 75 Pigdons Rd, Waurn Ponds, Victoria, 3216, Australia
| | - Yuxi Ma
- Institute for Frontier Materials, Deakin University, 75 Pigdons Rd, Waurn Ponds, Victoria, 3216, Australia
| | - Zhiyu Wang
- Institute for Frontier Materials, Deakin University, 75 Pigdons Rd, Waurn Ponds, Victoria, 3216, Australia
| | - Lifeng Wang
- Institute for Frontier Materials, Deakin University, 75 Pigdons Rd, Waurn Ponds, Victoria, 3216, Australia
| | - Dan Liu
- Institute for Frontier Materials, Deakin University, 75 Pigdons Rd, Waurn Ponds, Victoria, 3216, Australia
| | - Weiwei Lei
- Institute for Frontier Materials, Deakin University, 75 Pigdons Rd, Waurn Ponds, Victoria, 3216, Australia
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4
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Wang Z, Lian Y, Zhu X, Wang Q. MOF-Mediated Construction of NiCoMn-LDH Nanoflakes Assembled Co(OH)F Nanorods for Improved Supercapacitive Performance. Nanomaterials (Basel) 2024; 14:573. [PMID: 38607108 PMCID: PMC11013320 DOI: 10.3390/nano14070573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 03/19/2024] [Accepted: 03/24/2024] [Indexed: 04/13/2024]
Abstract
The application of transition metal hydroxides has long been plagued by its poor conductivity and stability as well as severe aggregation tendency. In this paper, a novel hierarchical core-shell architecture, using an F-doped Co(OH)2 nanorod array (Co(OH)F) as the core and Mn/Ni co-doped Co(OH)2 nanosheets (NiCoMn-LDH) as the shell, was constructed via an MOF-mediated in situ generation method. The obtained Co(OH)F@ NiCoMn-LDH composites exhibited excellent supercapacitive performance with large specific capacitance as well as improved rate capability and long-term stability. The effect of the Ni/Mn ratio on the supercapacitive performance and energy storage kinetics was systematically investigated and the related mechanism was revealed.
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Affiliation(s)
| | | | - Xinde Zhu
- Key Laboratory of Liquid-Solid Structural Evolution and Processing of Materials of Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, China; (Z.W.)
| | - Qi Wang
- Key Laboratory of Liquid-Solid Structural Evolution and Processing of Materials of Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, China; (Z.W.)
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Zhang Z, Wang J, Serdechnova M, Kasneryk V, Zhang Z, Blawert C, Wang H, Zheludkevich ML, Chen F, Zhang Y. An Inhibitor-Loaded LDH- and MOF-Based Bilayer Hybrid System for Active Corrosion Protection of Aluminum Alloys. ACS Appl Mater Interfaces 2024; 16:11944-11956. [PMID: 38404036 DOI: 10.1021/acsami.3c19432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
A novel inhibitor-loaded bilayer hybrid system based on the LDH inner layer and MOF outer layer is designed on an aluminum alloy 2A12 surface to improve corrosion performance. The hybrid film system covers the inherent cavities and intercrystalline defects of the LDH film using the affinity between the LDH and the MOF compounds. The results demonstrate that the LDH-inhI precursor film is entirely covered by new Zn-based MOF microrods. The LDH-inhI precursor film is partially dissolved and recrystallized in favor of MOF crystal growth to strengthen the binding adhesion between LDH and MOF films. The LDH-inhI/MOF-inhII bilayer film shows significantly enhanced corrosion resistance through the synergistic action of LDH and MOF nanocontainers doped with different corrosion inhibitors (vanadates, 2,5-furandicarboxylic acid, and benzotriazoles). Due to the multiple loadings of the MOF film and the sustained-release of the LDH film, this method provides an effective approach to developing new anticorrosion systems and enhancing both the barrier ability and active corrosion protection performance of LDH-based conversion treatments.
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Affiliation(s)
- Zhe Zhang
- College of New Materials and Chemical Engineering, Beijing Key Lab of Special Elastomeric Composite Materials, Beijing Institute of Petrochemical Technology, Beijing 102617, China
| | - Juping Wang
- College of New Materials and Chemical Engineering, Beijing Key Lab of Special Elastomeric Composite Materials, Beijing Institute of Petrochemical Technology, Beijing 102617, China
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht 21502, Germany
| | - Maria Serdechnova
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht 21502, Germany
| | - Valeryia Kasneryk
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht 21502, Germany
| | - Zheng Zhang
- College of New Materials and Chemical Engineering, Beijing Key Lab of Special Elastomeric Composite Materials, Beijing Institute of Petrochemical Technology, Beijing 102617, China
| | - Carsten Blawert
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht 21502, Germany
| | - Hao Wang
- College of New Materials and Chemical Engineering, Beijing Key Lab of Special Elastomeric Composite Materials, Beijing Institute of Petrochemical Technology, Beijing 102617, China
| | - Mikhail L Zheludkevich
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht 21502, Germany
- Faculty of Engineering, CAU Kiel University, Kiel 24143, Germany
| | - Fei Chen
- College of New Materials and Chemical Engineering, Beijing Key Lab of Special Elastomeric Composite Materials, Beijing Institute of Petrochemical Technology, Beijing 102617, China
| | - You Zhang
- College of New Materials and Chemical Engineering, Beijing Key Lab of Special Elastomeric Composite Materials, Beijing Institute of Petrochemical Technology, Beijing 102617, China
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht 21502, Germany
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6
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Chafiq M, Al-Moubaraki AH, Chaouiki A, Ko YG. A Novel Coating System Based on Layered Double Hydroxide/HQS Hierarchical Structure for Reliable Protection of Mg Alloy: Electrochemical and Computational Perspectives. Materials (Basel) 2024; 17:1176. [PMID: 38473647 DOI: 10.3390/ma17051176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/26/2024] [Accepted: 02/29/2024] [Indexed: 03/14/2024]
Abstract
Growing research activity on layered double hydroxide (LDH)-based materials for novel applications has been increasing; however, promoting LDH layer growth and examining its morphologies without resorting to extreme pressure conditions remains a challenge. In the present study, we enhance LDH growth and morphology examination without extreme pressure conditions. By synthesizing Mg-Al LDH directly on plasma electrolytic oxidation (PEO)-treated Mg alloy surfaces and pores at ambient pressure, the direct synthesis was achieved feasibly without autoclave requirements, employing a suitable chelating agent. Additionally, enhancing corrosion resistance involved incorporating electron donor-acceptor compounds into a protective layer, with 8-Hydroxyquinoline-5-sulfonic acid (HQS) that helps in augmenting Mg alloy corrosion resistance through the combination of LDH ion-exchange ability and the organic layer. DFT simulations were used to explain the mutual interactions in the LDH system and provide a theoretical knowledge of the interfacial process at the molecular level.
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Affiliation(s)
- Maryam Chafiq
- Materials Electrochemistry Laboratory, School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Aisha H Al-Moubaraki
- Department of Chemistry, Faculty of Sciences-Alfaisaliah Campus, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Abdelkarim Chaouiki
- Materials Electrochemistry Laboratory, School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Young Gun Ko
- Materials Electrochemistry Laboratory, School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
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7
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Murtaza H, Zhao J, Tabish M, Wang J, Mubeen M, Zhang J, Zhang S, Fan B. Protective and Flame-Retardant Bifunctional Epoxy-Based Nanocomposite Coating by Intercomponent Synergy between Modified CaAl-LDH and rGO. ACS Appl Mater Interfaces 2024. [PMID: 38427459 DOI: 10.1021/acsami.3c19245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/03/2024]
Abstract
Extensive utilization in various settings poses extra requirements of coatings beyond just anticorrosion properties. Herein, 8-hydroxyquinoline (8-HQ) intercalated CaAl-based layered double hydroxide (CaAl-8HQ-LDH) was loaded on reduced GO (rGO) through a one-pot hydrothermal reaction, which was employed as the nanofiller endowing the epoxy (EP/CaAl-8HQ LDH@rGO) with excellent flame-retardancy while ensuring efficient protection for mild steel. Results of electrochemical impedance spectroscopy (EIS) demonstrated the durability of the EP/CaAl-8HQ LDH@rGO-coated specimen, with the impedance at the lowest frequency (|Z|0.01Hz) maintained as 1.84 × 1010 Ω cm2 after 120 days of immersion in a 3.5 wt % NaCl solution. Even for the scratched EP/CaAl-8HQ LDH@rGO system, only a slight decline in |Z|0.01Hz was observed during 180 h of exposure to the NaCl solution, indicating a self-healing feature supported by salt spray tests. UL-94 burning tests revealed the V-0 rating for EP/CaAl-8HQ LDH@rGO with improved thermostability. Strong physical barrier from two-dimensional rGO and the release of 8-HQ from LDH interlayers accounted for the anticorrosive and self-healing properties. However, O2-concentration dilution and charring-layer promotion governed the flame-retardant behavior of the nanocomposite coating. The intercomponent synergy of nanofillers achieved in this work may provide a useful reference for designing multifunctional coatings.
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Affiliation(s)
- Hassan Murtaza
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jingmao Zhao
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing 100029, China
| | - Mohammad Tabish
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jingbao Wang
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Muhammad Mubeen
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jingfan Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
| | - Sheng Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
| | - Baomin Fan
- College of Chemical and Materials Engineering, Beijing Technology and Business University, Beijing 100029, China
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8
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Zaffora A, Megna B, Seminara B, Di Franco F, Santamaria M. Ni,Fe,Co-LDH Coated Porous Transport Layers for Zero-Gap Alkaline Water Electrolyzers. Nanomaterials (Basel) 2024; 14:407. [PMID: 38470738 DOI: 10.3390/nano14050407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/17/2024] [Accepted: 02/21/2024] [Indexed: 03/14/2024]
Abstract
Next-generation alkaline water electrolyzers will be based on zero-gap configuration to further reduce costs related to technology and to improve performance. Here, anodic porous transport layers (PTLs) for zero-gap alkaline electrolysis are prepared through a facile one-step electrodeposition of Ni,Fe,Co-based layered double hydroxides (LDH) on 304 stainless steel (SS) meshes. Electrodeposited LDH structures are characterized using Scanning Electron Microscopy (SEM) confirming the formation of high surface area catalytic layers. Finally, bi and trimetallic LDH-based PTLs are tested as electrodes for oxygen evolution reaction (OER) in 1 M KOH solution. The best electrodes are based on FeCo LDH, reaching 10 mA cm-2 with an overpotential value of 300 mV. These PTLs are also tested with a chronopotentiometric measurement carried out for 100 h at 50 mA cm-2, showing outstanding durability without signs of electrocatalytic activity degradation.
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Affiliation(s)
- Andrea Zaffora
- Department of Engineering, Palermo University, 90128 Palermo, Italy
| | - Bartolomeo Megna
- Department of Engineering, Palermo University, 90128 Palermo, Italy
| | - Barbara Seminara
- Department of Engineering, Palermo University, 90128 Palermo, Italy
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Wang T, Zhang X, Yu X, Li J, Wang K, Niu J. Interfacial Interaction in NiFe LDH/NiS 2/VS 2 for Enhanced Electrocatalytic Water Splitting. Molecules 2024; 29:951. [PMID: 38474464 DOI: 10.3390/molecules29050951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 03/14/2024] Open
Abstract
A bifunctional electrocatalyst with high efficiency and low costs for overall water splitting is critical to achieving a green hydrogen economy and coping with the energy crisis. However, developing robust electrocatalysts still faces huge challenges, owing to unsatisfactory electron transfer and inherent activity. Herein, NiFe LDH/NiS2/VS2 heterojunctions have been designed as freestanding bifunctional electrocatalysts to split water, exhibiting enhanced electron transfer and abundant catalytic sites. The optimum NiFe LDH/NiS2/VS2 electrocatalyst exhibits a small overpotential of 380 mV at 10 mA cm-2 for overall water splitting and superior electrocatalytic performance in both hydrogen and oxygen evolution reactions (HER/OER). Specifically, the electrocatalyst requires overpotentials of 76 and 286 mV at 10 mA cm-2 for HER and OER, respectively, in alkaline electrolytes, which originate from the synergistic interaction among the facilitated electron transfer and increasingly exposed active sites due to the modulation of interfaces and construction of heterojunctions.
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Affiliation(s)
- Tingxia Wang
- School of Science, Xi'an University of Technology, Xi'an 710054, China
| | - Xu Zhang
- School of Science, Xi'an University of Technology, Xi'an 710054, China
| | - Xiaojiao Yu
- School of Science, Xi'an University of Technology, Xi'an 710054, China
| | - Junpeng Li
- School of Science, Xi'an University of Technology, Xi'an 710054, China
| | - Kai Wang
- School of Science, Xi'an University of Technology, Xi'an 710054, China
| | - Jinfen Niu
- School of Science, Xi'an University of Technology, Xi'an 710054, China
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Zhang Q, Zhang G, Huang Y, He S, Li Y, Jin L, Han J. Surface-Modified LDH Nanosheets with High Dispersibility in Oil for Friction and Wear Reduction. ACS Appl Mater Interfaces 2024; 16:5316-5325. [PMID: 38227431 DOI: 10.1021/acsami.3c17322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
Surface and interfacial engineering of nanomaterials is essential for improving dispersion stability in liquids. In this study, we report that oleic acid (OA)- and stearic acid (SA)-functionalized layered double hydroxide (LDH) nanosheets as lubricant additives can achieve high dispersion and reduce friction and wear. LDH is a typical layered structure, and OA and SA are long-chain organic molecules that are not only compatible with base oils but also act as friction-reducing agents. The OA and SA molecules were branched onto ZnMgAl LDH nanosheets using dehydration condensation between the exposed OH groups on the surface of LDH and the COOH groups on the OA and SA molecules. Compared with that of the pristine ZnMgAl LDH, the dispersion of OA-ZnMgAl LDH and SA-ZnMgAl LDH was significantly improved. The surface-modified LDH exhibited superior tribological properties and great stability due to the synergistic lubrication effect between OA, SA, and LDH. Even at an ultralow concentration (0.15 wt %), the coefficient of friction and wear volume were reduced by ∼65 and ∼99%, respectively, compared to those of the base oil. Due to the green and simple synthesis method and excellent tribological properties, surface-functionalized LDH has enormous possibilities for future industrial applications.
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Affiliation(s)
- Qiang Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- Quzhou Institute for Innovation in Resource Chemical Engineering, Quzhou 324000, Zhejiang Province, China
| | - Guiju Zhang
- Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University, Beijing 100048, China
| | - Yongwang Huang
- Tianjin Nisseki Lubricants & Grease Co., Ltd., Binhai New Area, Tianjin 300480, China
| | - Shan He
- Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University, Beijing 100048, China
| | - Yong Li
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Lan Jin
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jingbin Han
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- Quzhou Institute for Innovation in Resource Chemical Engineering, Quzhou 324000, Zhejiang Province, China
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Okayama K, Nakayama A, Murayama T, Sakaguchi N, Hong F, Qiao B, Wang J, Shimada T, Takagi S, Ishida T. Decoration of Gold and Platinum Nanoparticle Catalysts by 1 nm Thick Metal Oxide Overlayer and Its Effect on the CO Oxidation Activity. ACS Appl Mater Interfaces 2024; 16:4570-4580. [PMID: 38239175 DOI: 10.1021/acsami.3c14935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Exfoliated M-Al layered double hydroxide (M-Al LDH; M = Mg, Co, Ni, and Zn) nanosheets were adsorbed on Au/SiO2 and calcined to transform LDH into mixed metal oxides (MMOs) and yield Au/SiO2 coated with a thin MMO overlayer. These catalysts showed a higher catalytic activity than pristine Au/SiO2. In particular, the 50% CO conversion temperature decreased by more than 250 °C for Co-Al MMO-coated Au/SiO2. In contrast, the deposition of CoAlOx on Au/SiO2 by impregnation or the deposition of Au on Co-Al MMO-coated SiO2 resulted in a worse catalytic activity. Moreover, the presence of a thick MMO overlayer decreased the catalytic activity, suggesting that the control of the overlayer thickness to less than 1 nm is a requisite for obtaining a high catalytic activity. Moreover, the thin Co-Al MMO overlayer on Au/SiO2 possessed abundant oxygen vacancies, which would play an important role in O2 activation, resulting in a highly active interface between Au and the defect-rich MMO on the Au NP surface. Finally, this can be applied to Pt/SiO2, and the obtained Co-Al MMO-coated Pt/SiO2 also exhibited a much improved catalytic activity for CO oxidation.
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Affiliation(s)
- Kaho Okayama
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Akihiro Nakayama
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Toru Murayama
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
- Yantai Key Laboratory of Gold Catalysis and Engineering, Shandong Applied Research Center of Gold Nanotechnology (AU-SDARC), School of Chemistry & Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China
| | - Norihito Sakaguchi
- Laboratory of Integrated Function Materials, Center for Advanced Research of Energy and Materials, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
| | - Feng Hong
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Botao Qiao
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Junhu Wang
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
- Center for Advanced Mössbauer Spectroscopy, Mössbauer Effect Data Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Tetsuya Shimada
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Shinsuke Takagi
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Tamao Ishida
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
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12
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Wang C, Sun J, Long Y, Huang H, Song J, Wang R, Qu Y, Yang Z. A Self-Healing Gel with an Organic-Inorganic Network Structure for Mitigating Circulation Loss. Gels 2024; 10:93. [PMID: 38391423 PMCID: PMC10887993 DOI: 10.3390/gels10020093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 02/24/2024] Open
Abstract
Lost circulation control remains a challenge in drilling operations. Self-healing gels, capable of self-healing in fractures and forming entire gel block, exhibit excellent resilience and erosion resistance, thus finding extensive studies in lost circulation control. In this study, layered double hydroxide, Acrylic acid, 2-Acrylamido-2-methylpropane sulfonic acid, and CaCl2 were employed to synthesize organic-inorganic nanocomposite gel with self-healing properties. The chemical properties of nanocomposite gels were characterized using X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscope, X-ray photoelectron spectroscopy and thermogravimetric analysis. layered double hydroxide could be dispersed and exfoliated in the mixed solution of Acrylic acid and 2-Acrylamido-2-methylpropane sulfonic acid, and the swelling behavior, self-healing time, rheological properties, and mechanical performance of the nanocomposite gels were influenced by the addition of layered double hydroxide and Ca2+. Optimized nanocomposite gel AC6L3, at 90 °C, exhibits only a self-healing time of 3.5 h in bentonite mud, with a storage modulus of 4176 Pa, tensile strength of 6.02 kPa, and adhesive strength of 1.94 kPa. In comparison to conventional gel, the nanocomposite gel with self-healing capabilities demonstrated superior pressure-bearing capacity. Based on these characteristics, the nanocomposite gel proposed in this work hold promise as a candidate lost circulation material.
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Affiliation(s)
- Cheng Wang
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Jinsheng Sun
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Yifu Long
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Hongjun Huang
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Juye Song
- CNPC Great Wall Drilling Engineering Co., Ltd., Beijing 102206, China
| | - Ren Wang
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Yuanzhi Qu
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Zexing Yang
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
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13
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Viscusi G, Boccalon E, Lamberti E, Nocchetti M, Gorrasi G. Alginate Microbeads Containing Halloysite and Layered Double Hydroxide as Efficient Carriers of Natural Antimicrobials. Nanomaterials (Basel) 2024; 14:232. [PMID: 38276750 PMCID: PMC10820769 DOI: 10.3390/nano14020232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/14/2024] [Accepted: 01/17/2024] [Indexed: 01/27/2024]
Abstract
The present paper describes the preparation and characterization of novel microbeads from alginate filled with nanoclay such as halloysite nanotubes (HNTs). HNTs were used as support for the growth of layered double hydroxide (LDH) crystals producing a flower-like structure (HNT@LDH). Such nanofiller was loaded with grapefruit seed oil (GO), an active compound with antimicrobial activity, up to 50% wt. For comparison, the beads were also loaded with HNT and LDH separately, and filled with the same amount of GO. The characterization of the filler was performed using XRD and ATR spectroscopy. The beads were analyzed through XRD, TGA, ATR and SEM. The functional properties of the beads, as nanocarriers of the active compound, were investigated using UV-vis spectroscopy. The release kinetics were recorded and modelled as a function of the structural characteristics of the nanofiller.
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Affiliation(s)
- Gianluca Viscusi
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy; (G.V.); (E.L.)
| | - Elisa Boccalon
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via dell’ Elce di Sotto 8, 06123 Perugia, Italy;
| | - Elena Lamberti
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy; (G.V.); (E.L.)
| | - Morena Nocchetti
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy;
| | - Giuliana Gorrasi
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy; (G.V.); (E.L.)
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14
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Lu Z, Zhao K, Guo H, Duan L, Sun H, Chen K, Liu J. In Situ Construction of NiCoMn-LDH Derived from Zeolitic Imidazolate Framework on Eggshell-Like Carbon Skeleton for High-Performance Flexible Supercapacitors. Small 2023:e2309814. [PMID: 38155521 DOI: 10.1002/smll.202309814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/13/2023] [Indexed: 12/30/2023]
Abstract
Active compounds based on LDH (ternary layered double hydroxide) are considered the perfect supercapacitor electrode materials on account of their superior electrochemical qualities and distinct structural characteristics, and flexible supercapacitors are an ideal option as an energy source for wearable electronics. However, the prevalent aggregation effect of LDH materials results in significantly compromised actual specific capacitance, which limits its broad practical applications. In this research, a 3D eggshell-like interconnected porous carbon (IPC) framework with confinement and isolation capability is designed and synthesized by using glucose as the carbon source to disperse the LDH active material and enhance the conductivity of the composite material. Second, by constructing NiCoMn-LDH nanocage structure based on ZIF-67 (zeolitic imidazolate framework-67) at the nanometer scale the obtained IPC/NiCoMn-LDH electrode material can expose more active sites, which allows to achieve excellent specific capacitance (2236 F g-1 / 310.6 mAh g-1 at 1 A g-1 ), good rate as well as the desired cycle stability (85.9% of the initial capacitance upon 5000 cycles test). The constructed IPC/NiCoMn-LDH//IPC ASC (asymmetric supercapacitor) exhibits superior capacitive property (135 F g-1 /60.1 mAh g-1 at 0.5 A g-1 ) as well as desired energy density (40 Wh kg-1 at 800 W kg-1 ).
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Affiliation(s)
- Zhongqi Lu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Qingdao, 266071, China
| | - Kai Zhao
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Qingdao, 266071, China
| | - Hanwen Guo
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Qingdao, 266071, China
| | - Lejiao Duan
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Qingdao, 266071, China
| | - Huiru Sun
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Qingdao, 266071, China
| | - Kuiyong Chen
- College of Materials Science and Engineering, Linyi University, Linyi, Shandong, 276000, China
| | - Jingquan Liu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Qingdao, 266071, China
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15
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Jiang S, Wu M, Xiao T, Yin X, Gao Q, Xu C, Zhang M, Peng HQ, Liu B. Tailoring the Activity of Electrocatalytic Methanol Oxidation on Cobalt Hydroxide by the Incorporation of Catalytically Inactive Zinc Ions. ACS Appl Mater Interfaces 2023; 15:55870-55876. [PMID: 38010202 DOI: 10.1021/acsami.3c13624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Catalytically inactive Zn2+ is incorporated into cobalt hydroxide to synthesize hierarchical ZnCo-layered double hydroxide nanosheet networks supported on carbon fiber (ZnCo-LDH/CF). The incorporation of Zn2+ is revealed to endow ZnCo-LDH/CF with significantly superior performance in the aspects of the activity and selectivity for methanol electrooxidation to formic acid and the boosting effect for cathodic hydrogen production compared with the counterpart without Zn2+. Density functional theory (DFT) calculation reveals that the incorporation of nonactive Zn2+ can increase the density of states near the Fermi level of LDH (i.e., elevate electrical conductivity to form favorable charge transportation during electrocatalysis) and promote the adsorption and subsequent cleavage of methanol, thus leading to the enhanced methanol electrooxidation performance.
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Affiliation(s)
- Shuai Jiang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Mian Wu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Tongyao Xiao
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Xianjun Yin
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Qiang Gao
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Cui Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Mengyang Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Hui-Qing Peng
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Bin Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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16
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Diao SJ, Lin CG, Zhang J, Zhang FD, Chu JF, Song YF. A pseudo-Double-Network Hydrogel Built upon Layered Double Hydroxides with Self-Strengthening Properties. Chemistry 2023:e202303092. [PMID: 38057492 DOI: 10.1002/chem.202303092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 12/06/2023] [Accepted: 12/06/2023] [Indexed: 12/08/2023]
Abstract
While great achievements have been made in the development of mechanically robust nanocomposite hydrogels, incorporating multiple interactions on the bases of two demensional inorganic cross-linkers to construct self-strengthening hydrogels has rarely been investigated. To this end, we propose here a new method for the coupling the dynamic covalent bonds and non-covalent interactions within a pseudo double-network system. The pseudo first network, formed through the Schiff Base reation between Tris-modified layered double hydroxides (Tris-LDHs) and oxidized dextran (ODex), is linked to the second network built upon non-covalent interactions between Tris-LDHs and poly(acrylamide-co-2-acrylamido-2-methyl-propanesulfonate) (p-(AM-co-AMPS). The swelling and mechanical properties of the resulting hydrogels have been investigated as a function of the ODex and AMPS contents. The as-prepared hydrogel can swell to 420 times of its original size and retain more than 99.9 wt.% of water. Mechanical tests show that the hydrogel can bear 90 % of compression and is able to be stretched to near 30 times of its original length. Cyclic tensile tests reveal that the hydrogels are capable of self-strengthening after mechanical training. The unique energy dissipation mechanism based on the dynamic covalent and non-covalent interactions is considered to be responsible for the outstanding swelling and mechanical performances.
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Affiliation(s)
- Shu-Jing Diao
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Chang-Gen Lin
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Jie Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Fen-Di Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Jin-Feng Chu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Yu-Fei Song
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
- School of Chemical Engineering, Qinghai University, Qinghai, 810016, P. R. China
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17
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Peng C, Yu Z, Wu W, Li J, Wang E. CuFe Layered Double Hydroxide as Self-Cascade Nanoreactor for Efficient Antibacterial Therapy. ACS Appl Mater Interfaces 2023. [PMID: 38047886 DOI: 10.1021/acsami.3c11757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Nanozyme-induced reactive oxygen species (ROS)-dependent catalytic therapy has been developed into a powerful strategy against bacterial wound infections. However, the limited endogenous supply or instability of H2O2, the reliance on external stimuli for the generation of ROS, and the highly expressed glutathione (GSH) level make it a challenge to achieve high-performance therapeutic efficiency. In this work, a facile therapeutic strategy against bacterial infections with pristine CuFe layered double hydroxide (LDH) as the self-cascade nanoreactor is proposed without modification or additional energy input. CuFe LDH with an oxidase-like feature can catalyze the generation of multiple ROS, such as 1O2, ·O2-, and H2O2. And the self-generated H2O2 in the cascade nanoreactor could be further in situ transformed to ·OH owing to the peroxidase-like activity. As a result, the cell membrane of bacteria is destroyed, leading to death. Furthermore, its ultrahigh enzyme-like activity of CuFe LDH could effectively promote the breakdown of the biofilm structure. Additionally, the Cu2+-mediated GSH exhaustion of CuFe LDH further avoids the consumption of oxidized ROS and thereby significantly improves the sterilization effect. Finally, the as-prepared CuFe LDH with negligible side effects on normal tissues can be successfully used to eliminate the methicillin-resistant Staphylococcus aureus-infected wounds and accelerate their healing in the mouse model, which paves a new avenue as an antibacterial agent for clinical anti-infective treatment.
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Affiliation(s)
- Chao Peng
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
| | - Zhixuan Yu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Wenting Wu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Jing Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Erkang Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- University of Science and Technology of China, Hefei, Anhui 230026, China
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18
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Jing G, Yang L, Wang H, Niu J, Wang H, Gao Y, Li Y, Wei B, Qian Y, Wang S. Blocked Autophagy is Involved in Layered Double Hydroxide-Induced Repolarization and Immune Activation in Tumor-Associated Macrophages. Adv Healthc Mater 2023; 12:e2301471. [PMID: 37549006 DOI: 10.1002/adhm.202301471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 08/01/2023] [Indexed: 08/08/2023]
Abstract
Tumor-associated macrophages (TAMs) are important immune cells in the tumor microenvironment (TME). The polar plasticity of TAMs makes them important targets for improving the immunosuppressive microenvironment of tumors. The previous study reveals that layered double hydroxides (LDHs) can effectively promote the polarization of TAMs from the anti-inflammatory M2 type to the pro-inflammatory M1 type. However, their mechanisms of action remain unexplored. This study reveals that LDHs composed of different cations exhibit distinct abilities to regulate the polarity of TAMs. Compared to Mg-Fe LDH, Mg-Al LDH has a stronger ability to promote the repolarization of TAMs from M2 to M1 and inhibit the formation of myeloid-derived suppressor cells (MDSCs). In addition, Mg-Al LDH restrains the growth of tumors in vivo and promotes the infiltration of activated immune cells into the TME more effectively. Interestingly, Mg-Al LDH influences the autophagy of TAMs; this negatively correlates with the pro-inflammatory ability of TAMs. Therefore, LDHs exert their polarization ability by inhibiting the autophagy of TAMs, and this mechanism might be related to the ionic composition of LDHs. This study lays the foundation for optimizing the performance of LDH-based immune adjuvants, which display excellent application prospects for tumor immunotherapy.
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Affiliation(s)
- Guoxin Jing
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, 200092, P. R. China
| | - Linnan Yang
- The Center for Scientific Research of the First Affiliated Hospital of Anhui Medical University, Hefei, 230022, P. R. China
| | - Hong Wang
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, 200092, P. R. China
| | - Jintong Niu
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, 200092, P. R. China
| | - Huichao Wang
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, 200092, P. R. China
| | - Yi Gao
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, 200092, P. R. China
| | - Youyuan Li
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, 200092, P. R. China
| | - Bangguo Wei
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, 200092, P. R. China
| | - Yechang Qian
- Department of Respiratory Disease, Baoshan District Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 201900, P. R. China
| | - Shilong Wang
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, 200092, P. R. China
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19
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Gao J, Wu F, Zhao Y, Bian X, Zhou C, Tang J, Zhang T. Tuning the Interfaces of ZnO/ZnCr 2 O 4 Derived from Layered-Double-Hydroxide Precursors to Advance Nitrogen Photofixation. ChemSusChem 2023; 16:e202300944. [PMID: 37528771 DOI: 10.1002/cssc.202300944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/28/2023] [Accepted: 08/01/2023] [Indexed: 08/03/2023]
Abstract
Drawing inspiration from the enzyme nitrogenase in nature, researchers are increasingly delving into semiconductor photocatalytic nitrogen fixation due to its similar surface catalytic processes. Herein, we reported a facile and efficient approach to achieving the regulation of ZnO/ZnCr2 O4 photocatalysts with ZnCr-layered double hydroxide (ZnCr-LDH) as precursors. By optimizing the composition ratio of Zn/Cr in ZnCr-LDH to tune interfaces, we can achieve an enhanced nitrogen photofixation performance (an ammonia evolution rate of 31.7 μmol g-1 h-1 using pure water as a proton source) under ambient conditions. Further, photo-electrochemical measurements and transient surface photovoltage spectroscopy revealed that the enhanced photocatalytic activity can be ascribed to the effective carrier separation efficiency, originating from the abundant composite interfaces. This work further demonstrated a promising and viable strategy for the synthesis of nanocomposite photocatalysts for nitrogen photofixation and other challenging photocatalytic reactions.
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Affiliation(s)
- Junyu Gao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Fan Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yunxuan Zhao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- College of Science, Hebei University of Science and Technology, Shijiazhuang, 050018, P. R. China
| | - Xuanang Bian
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Chao Zhou
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Junwang Tang
- Department of Chemical Engineering, University College London, Torrington Place, London, WC1E 7JE, United Kingdom
- Industrial Catalysis Center, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Tierui Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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20
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Mukundan G, Badhulika S. Binary Ni-Fe layered double hydroxide on flexible nickel foam for the wide-range voltammetric detection of fibrinogen in simulated body fluid. Nanotechnology 2023; 35:065501. [PMID: 37863076 DOI: 10.1088/1361-6528/ad0593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 10/20/2023] [Indexed: 10/22/2023]
Abstract
Fibrinogen, a circulating glycoprotein in the blood, is a potential biomarker of various health conditions. This work reports a flexible electrochemical sensor based on Ni-Fe layered double hydroxide (Ni-Fe LDH) coated on Nickel foam (Ni-Fe LDH/NF) to detect fibrinogen in simulated human body fluid (or blood plasma). The nanoflakes like morphology and hexagonal crystal structure of LDH, synthesized via urea hydrolysis assisted precipitation technique, are revealed by scanning electron microscopy (SEM) and powder x-ray diffraction (PXRD) techniques, respectively. The fabricated sensor exhibits linearity in a wide dynamic range covering the physiological concentration, from 1 ng ml-1to 10 mg ml-1, with a sensitivity of 0.0914 mA (ng/ml)-1(cm)-2. This LDH-based sensor is found to have a limit of detection (LOD) of 0.097 ng ml-1and a limit of quantification (LOQ) of 0.294 ng ml-1(S/N = 3.3). The higher selectivity of the sensor towards fibrinogen protein is verified in the presence of various interfering analytes such as dopamine, epinephrine, serotonin, glucose, potassium, chloride, and magnesium ions. The sensor is successful in the trace-level detection of fibrinogen in simulated body fluid with excellent recovery percentages ranging from 99.5% to 102.5%, proving the synergetic combination of 2D Ni-Fe layered double hydroxide and 3D nickel foam as a promising platform for electrochemical sensing that has immense potential in clinical applications.
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Affiliation(s)
- Gopika Mukundan
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, 502285, Telangana, India
| | - Sushmee Badhulika
- Department of Electrical Engineering, Indian Institute of Technology Hyderabad, Kandi, 502285, Telangana, India
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21
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Li N, Yang T, Huang L, Jiang H, Xiao J, Ma X, Lou H, Xie C, Yang Y. Interfacial Coupling Engineering Boosting Electrocatalytic Performance of CoFe Layered Double Hydroxide Assembled on N-Doped Porous Carbon Nanosheets for Water Splitting and Flexible Zinc-Air Batteries. ACS Appl Mater Interfaces 2023. [PMID: 37917796 DOI: 10.1021/acsami.3c12041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
The disadvantages of layered double hydroxides (LDHs) such as easy stacking, poor inherent conductivity, and limited versatility hinder their application in splitting water and zinc-air batteries (ZABs). Interface engineering to regulate the electron distribution of LDHs by introducing another component is a way to compensate for the poor electron transport capacity of LDHs during catalysis. Herein, a hierarchical structure is synthesized by assembling CoFe-LDH nanosheets onto the surface of layered N-doped porous carbon (NPC), CoFe-LDH@NPC, by using an interface engineering strategy. CoFe-LDH@NPC has high catalytic activity for the oxygen/hydrogen evolution reaction (OER/HER) with overpotentials of 280/100 mV, respectively. The two-electrode water splitting catalyzed by CoFe-LDH@NPC only needs 1.61 V to drive a current density of 10 mA cm-2 for 60 h. The theoretical results show that there is an electron-deficient/electron-rich interface between the NPC substrate and the CoFe-LDH in CoFe-LDH@NPC. The electrons on the coupling interface are easily transferred, which results in a change of the adsorption behavior of the reaction intermediates and improves the catalytic activity for the OER and HER. In addition, CoFe-LDH@NPC-catalyzed rechargeable flexible ZABs have excellent performance with low charge-discharge polarization (0.87 V) and a long-term stability of 65 h.
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Affiliation(s)
- Nan Li
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Ting Yang
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Lijuan Huang
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Hao Jiang
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Jiaxiang Xiao
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Xiaoyu Ma
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Hang Lou
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Chao Xie
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Yahui Yang
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
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22
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Wang C, Yao H, Cai Z, Han S, Shi K, Wu Z, Ma S. [Sn 2S 6] 4- Anion-Intercalated Layered Double Hydroxides for Highly Efficient Capture of Iodine. ACS Appl Mater Interfaces 2023. [PMID: 37906218 DOI: 10.1021/acsami.3c11367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
The development of low-cost and high-efficiency iodine sorbents is of great significance for the control of nuclear pollution. In this work, we intercalate the tin sulfide cluster of [Sn2S6]4- to Mg/Al-type layered double hydroxides to obtain Sn2S6-LDH, which exhibits highly efficient capture performance of iodine vapor and iodine in solutions. The dispersion effect of the positively charged LDH layers contributes to the adequate exposure of [Sn2S6]4- anions, providing plentiful adsorption sites. For iodine vapor, Sn2S6-LDH showed an extremely large iodine capture capacity of 2954 mg/g with a large contribution from physisorption. For iodine in solutions, a significantly large sorption capacity of 1308 mg/g was achieved. During iodine capture, I2 molecules were reduced to I- ions (by S2- in [Sn2S6]4-), which then reacted with Sn4+ to form SnI4, where the molar amount of captured iodine is 4-fold that of Sn. Besides, the as-reduced I- combined with I2 again to generate [I3]-, which then entered the LDH interlayers to maintain electric neutrality. While reducing iodine, S2- itself in [Sn2S6]4- was oxidized to S8, which further combined with SnI4 to form a novel compound of SnI4(S8)2. The excellent iodine capture capability endows Sn2S6-LDH with a promising application in trapping radioactive iodine.
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Affiliation(s)
- Chaonan Wang
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Huiqin Yao
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan 750004, China
| | - Zidan Cai
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Senkai Han
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Keren Shi
- State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, China
| | - Zhenglong Wu
- Analytical and Testing Center, Beijing Normal University, Beijing 100875, China
| | - Shulan Ma
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875, China
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23
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Zou L, Sun S, Zhang C, Zhao X. NiTi- Layered Double Hydroxide@Carbon Nanotube as a Cathode Material for Chloride-Ion Batteries. Nanomaterials (Basel) 2023; 13:2779. [PMID: 37887930 PMCID: PMC10609344 DOI: 10.3390/nano13202779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/10/2023] [Accepted: 10/12/2023] [Indexed: 10/28/2023]
Abstract
Chloride-ion batteries (CIBs) are one of the promising candidates for energy storage due to their low cost, high theoretical energy density and high safety. However, the limited types of cathode materials in CIBs have hindered their development. In this work, a NiTi-LDH@CNT composite is prepared using a reverse microemulsion method and applied in CIBs for the first time. The specific surface area and the pore volume of the obtained NiTi-LDH@CNT composites can reach 266 m2 g-1 and 0.42 cm3 g-1, respectively. Electrochemical tests indicate that the composite electrode delivers a reversible specific capacity of 69 mAh g-1 after 150 cycles at a current density of 100 mA g-1 in 0.5 M PP14Cl/PC electrolyte. Ni2+/Ni3+ and Ti3+/Ti4+ valence changes during electrochemical cycling are demonstrated by X-ray photoelectron spectroscopy (XPS), while reversible migration of Cl- is revealed by ex-situ EDS and ex-situ XRD. The stable layered structure and abundant valence changes of the NiTi-LDH@CNT composite make it an exceptional candidate as a cathode material for CIBs.
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Affiliation(s)
- Lu Zou
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China; (L.Z.); (C.Z.); (X.Z.)
| | - Shijiao Sun
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China; (L.Z.); (C.Z.); (X.Z.)
| | - Chang Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China; (L.Z.); (C.Z.); (X.Z.)
| | - Xiangyu Zhao
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China; (L.Z.); (C.Z.); (X.Z.)
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Functional Composites, Nanjing Tech University, 30 Puzhu South Road, Nanjing 211816, China
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24
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Yulkifli Y, Yandes WP, Isa IM, Hashim N, Ulianas A, Sharif SNM, Saidin MI, Ahmad MS, Yazid SNAM, Suyanta S, Nuryadi R, Abd Azis N. A Nanocomposite Paste Electrode Sensor for Simultaneous Detection of Uric Acid and Bisphenol A Using Zinc Hydroxide Nitrate-Sodium Dodecylsulfate Bispyribac. Sensors (Basel) 2023; 23:8366. [PMID: 37896460 PMCID: PMC10610553 DOI: 10.3390/s23208366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/29/2023] [Accepted: 10/07/2023] [Indexed: 10/29/2023]
Abstract
The fabrication of a zinc hydroxide nitrate-sodium dodecylsulfate bispyribac modified with multi-walled carbon nanotube (ZHN-SDS-BP/MWCNT) paste electrode for uric acid and bisphenol A detection was presented in this study. Electrochemical impedance spectroscopy, chronocoulometry, square-wave voltammetry, and cyclic voltammetry were all used to examine the electrocatalytic activities of modified paste electrodes. The modified electrode's sensitivity and selectivity have been considered in terms of the composition of the modifier in percentages, the types of supporting electrolytes used, the pH of the electrolyte, and square-wave voltammetry parameters like frequency, pulse size, and step increment. Square-wave voltammetry is performed by applying a small amplitude square-wave voltage to a scanning potential from -0.3 V to +1.0 V, demonstrating a quick response time and high sensitivity. The ZHN-SDS-BP/MWCNT sensor demonstrated a linear range for uric acid and bisphenol A from 5.0 µM to 0.7 mM, with a limit of detection of 0.4 µM and 0.8 µM, respectively, with good reproducibility, repeatability, and stability as well. The modified paste electrode was successfully used in the determination of uric acid and bisphenol A in samples of human urine and lake water.
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Affiliation(s)
- Yulkifli Yulkifli
- Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang, Padang 25131, Indonesia
| | - Widya Putri Yandes
- Department of Chemistry, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, Malaysia; (W.P.Y.); (N.H.); (S.N.M.S.); (M.I.S.); (M.S.A.); (S.N.A.M.Y.)
| | - Illyas Md Isa
- Department of Chemistry, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, Malaysia; (W.P.Y.); (N.H.); (S.N.M.S.); (M.I.S.); (M.S.A.); (S.N.A.M.Y.)
| | - Norhayati Hashim
- Department of Chemistry, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, Malaysia; (W.P.Y.); (N.H.); (S.N.M.S.); (M.I.S.); (M.S.A.); (S.N.A.M.Y.)
| | - Alizar Ulianas
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang, Padang 25131, Indonesia;
| | - Sharifah Norain Mohd Sharif
- Department of Chemistry, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, Malaysia; (W.P.Y.); (N.H.); (S.N.M.S.); (M.I.S.); (M.S.A.); (S.N.A.M.Y.)
| | - Mohamad Idris Saidin
- Department of Chemistry, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, Malaysia; (W.P.Y.); (N.H.); (S.N.M.S.); (M.I.S.); (M.S.A.); (S.N.A.M.Y.)
| | - Mohamad Syahrizal Ahmad
- Department of Chemistry, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, Malaysia; (W.P.Y.); (N.H.); (S.N.M.S.); (M.I.S.); (M.S.A.); (S.N.A.M.Y.)
| | - Siti Nur Akmar Mohd Yazid
- Department of Chemistry, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, Malaysia; (W.P.Y.); (N.H.); (S.N.M.S.); (M.I.S.); (M.S.A.); (S.N.A.M.Y.)
| | - Suyanta Suyanta
- Department of Chemistry Education, Faculty of Mathematics and Natural Science, Yogyakarta State University, Yogyakarta 55281, Indonesia;
| | - Ratno Nuryadi
- Center for Materials Technology, Agency for the Assessment and Application of Technology, Puspiptek Building #224, South Tangerang, Banten 15314, Indonesia;
| | - Nurashikin Abd Azis
- Department of Academic Affairs, North Borneo University College, Wisma Angkatan Hebat, 1 Borneo, Jalan Sulaman, Kota Kinabalu 88400, Sabah, Malaysia;
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25
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Szerlauth A, Varga S, Szilagyi I. Molecular Antioxidants Maintain Synergistic Radical Scavenging Activity upon Co-Immobilization on Clay Nanoplatelets. ACS Biomater Sci Eng 2023; 9:5622-5631. [PMID: 37738637 PMCID: PMC10565722 DOI: 10.1021/acsbiomaterials.3c00909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/12/2023] [Indexed: 09/24/2023]
Abstract
Unbalanced levels of reactive oxygen species (ROS) result in oxidative stress, affecting both biomedical and industrial processes. Antioxidants can prevent ROS overproduction and thus delay or inhibit their harmful effects. Herein, activities of two molecular antioxidants (gallic acid (GA), a well-known phenolic compound, and nicotinamide adenine dinucleotide (NADH), a vital biological cofactor) were tested individually and in combination to assess possible synergistic, additive, or antagonistic effects in free radical scavenging and in redox capacity assays. GA was a remarkable radical scavenger, and NADH exhibited moderate antioxidant activity, while their combination at different molar ratios led to a synergistic effect since the resulting activity was superior to the sum of the individual GA and NADH activities. Their coimmobilization was performed on the surface of delaminated layered double hydroxide clay nanoplatelets by electrostatic interactions, and the synergistic effect was maintained upon such a heterogenization of these molecular antioxidants. The coimmobilization of GA and NADH expands the range of their potential applications, in which separation of antioxidant additives is important during treatments or manufacturing processes.
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Affiliation(s)
- Adel Szerlauth
- MTA-SZTE Lendület
Biocolloids Research Group, Department of Physical Chemistry and Materials
Science, Interdisciplinary Excellence Centre, University of Szeged, Szeged H-6720, Hungary
| | - Szilárd Varga
- MTA-SZTE Lendület
Biocolloids Research Group, Department of Physical Chemistry and Materials
Science, Interdisciplinary Excellence Centre, University of Szeged, Szeged H-6720, Hungary
| | - Istvan Szilagyi
- MTA-SZTE Lendület
Biocolloids Research Group, Department of Physical Chemistry and Materials
Science, Interdisciplinary Excellence Centre, University of Szeged, Szeged H-6720, Hungary
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26
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Lee K, Xie J, Park H, Jung H, Oh JM. Controlled molecular arrangement of easily aggregated deoxycholate with layered double hydroxide. R Soc Open Sci 2023; 10:230506. [PMID: 37830016 PMCID: PMC10565365 DOI: 10.1098/rsos.230506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 09/12/2023] [Indexed: 10/14/2023]
Abstract
Deoxycholate (DA) is a natural emulsifying agent involved in the absorption of dietary lipids. Due to the facial distribution of hydrophobic-hydrophilic region, DA easily aggregates under ambient conditions, and this property hinders the practical application of DA in clinical applications. In this study, we found that the molecular arrangement of DA molecules could be controlled by using layered double hydroxide (LDH) under a specific reaction condition. The effect of reaction methods such as co-precipitation, ion exchange and reconstruction on the molecular arrangement of DA was investigated by X-ray diffraction, Fourier-transform infrared spectroscopy, high-resolution transmission electron microscopy and differential scanning calorimetry. It was demonstrated that the self-aggregation of DA molecules could be suppressed by the oriented arrangement of DA between the gallery space of LDH. The DA moiety was well stabilized in the LDH layers due to the electrostatic interaction between DA molecules and LDH layers. The most ordered arrangement of DA molecules was observed when DA was incorporated into LDH via a reconstruction method. The DA molecules arranged in LDH via reconstruction did not show significant exothermic or endothermic behaviour up to 400°C, showing that the DA moiety lost its intermolecular attraction in between LDH layers.
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Affiliation(s)
- Kyounghyoun Lee
- Department of Chemistry, Dongguk University, Seoul 04620, Republic of Korea
| | - Jing Xie
- Department of Energy and Materials Engineering, Dongguk University, Seoul 04620, Republic of Korea
| | - Hyeonjin Park
- Department of Energy and Materials Engineering, Dongguk University, Seoul 04620, Republic of Korea
| | - Hyun Jung
- Department of Chemistry, Dongguk University, Seoul 04620, Republic of Korea
| | - Jae-Min Oh
- Department of Energy and Materials Engineering, Dongguk University, Seoul 04620, Republic of Korea
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27
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Prasher P, Sharma M. Layered double hydroxide nanocarriers: potential delivery systems for mefenamic acid. Nanomedicine (Lond) 2023; 18:1697-1701. [PMID: 37877695 DOI: 10.2217/nnm-2023-0217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023] Open
Abstract
Tweetable abstract Layered double hydroxide nanocarriers are capable of intercalating hydrophobic NSAIDs, such as mefenamic acid, which improves their pharmacokinetics and bioavailability.
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Affiliation(s)
- Parteek Prasher
- Department of Chemistry, University of Petroleum & Energy Studies, Energy Acres, Dehradun, 248007, India
| | - Mousmee Sharma
- Department of Chemistry, Uttaranchal University, Dehradun, 248007, India
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28
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Xie J, Kim HM, Kamada K, Oh JM. Blood Compatibility of Drug-Inorganic Hybrid in Human Blood: Red Blood Cell Hitchhiking and Soft Protein Corona. Materials (Basel) 2023; 16:6523. [PMID: 37834660 PMCID: PMC10573551 DOI: 10.3390/ma16196523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/16/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023]
Abstract
A drug-delivery system consisting of an inorganic host-layered double hydroxide (LDH)-and an anticancer drug-methotrexate (MTX)-was prepared via the intercalation route (MTX-LDH), and its hematocompatibility was investigated. Hemolysis, a red blood cell counting assay, and optical microscopy revealed that the MTX-LDH had no harmful toxic effect on blood cells. Both scanning electron microscopy and atomic force microscopy exhibited that the MTX-LDH particles softly landed on the concave part inred blood cells without serious morphological changes of the cells. The time-dependent change in the surface charge and hydrodynamic radius of MTX-LDH in the plasma condition demonstrated that the proteins can be gently adsorbed on the MTX-LDH particles, possibly through protein corona, giving rise to good colloidal stability. The fluorescence quenching assay was carried out to monitor the interaction between MTX-LDH and plasma protein, and the result showed that the MTX-LDH had less dynamic interaction with protein compared with MTX alone, due to the capsule moiety of the LDH host. It was verified by a quartz crystal microbalance assay that the surface interaction between MTX-LDH and protein was reversible and reproducible, and the type of protein corona was a soft one, having flexibility toward the biological environment.
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Affiliation(s)
- Jing Xie
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul 04620, Republic of Korea;
| | - Hyoung-Mi Kim
- Biomedical Manufacturing Technology Center, Daegyeong Division, Korea Institute of Industrial Technology (KITECH), Yeongcheon-si 38822, Republic of Korea;
| | - Kai Kamada
- Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Jae-Min Oh
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul 04620, Republic of Korea;
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29
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Cho DK, Yan B, Park SJ, Yoon YS, Lim HW, Hwang SK, Park IJ, Kim JY. Hierarchical Heterogeneous NiFe Layered Double Hydroxides for Efficient Solar-Powered Water Oxidation. ACS Appl Mater Interfaces 2023; 15:43933-43941. [PMID: 37675887 DOI: 10.1021/acsami.3c10075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
Highly active, stable, and low-cost oxygen evolution reaction (OER) electrocatalysts are urgently needed for the realization of large-scale industrial hydrogen production via water electrolysis. Layered double hydroxides (LDHs) stand out as one of the most promising nonprecious electrocatalysts worth pursuing. Here, a hierarchical heterogeneous Ni2+Fe3+@Ni2+Fe2+ LDH was successfully synthesized via a sequential electrodeposition technique using separate electrolytes containing iron precursors with different valence states (Fe2+, Fe3+). The underlying highly crystalline Ni2+Fe2+ LDH nanosheet array provides a large surface for the catalytically more active Ni2+Fe3+ LDH overlayer with low crystallinity. The resulting Ni2+Fe3+@Ni2+Fe2+ LDH demonstrates excellent OER activity with overpotentials of 218 and 265 mV to reach current densities of 10 and 100 mA cm-2, respectively, as well as good long-term stability for 30 h even at a high current density of 500 mA cm-2. In an overall water splitting, an electrolyzer using an electrocatalyst of Sn4P3/CoP2 as a cathode requires only a cell voltage of 1.55 V at 10 mA cm-2. Furthermore, the solar-powered overall water splitting system consisting of our electrolyzer and a perovskite/Si tandem solar cell exhibits a high solar-to-hydrogen conversion efficiency of 15.3%.
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Affiliation(s)
- Deok Ki Cho
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Bingyi Yan
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- SNU Materials Education/Research Division for Creative Global Leaders, Seoul National University, Seoul 08826, Republic of Korea
| | - So Jeong Park
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Young Seon Yoon
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyun Woo Lim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Sun Kyung Hwang
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Ik Jae Park
- Department of Applied Physics Engineering, Sookmyung Women's University, Yongsan-gu, Seoul 04310, Republic of Korea
| | - Jin Young Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea
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30
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Kozłowska M, Lipińska M, Okraska M, Pietrasik J. Polypropylene Color Masterbatches Containing Layered Double Hydroxide Modified with Quinacridone and Phthalocyanine Pigments-Rheological, Thermal and Application Properties. Materials (Basel) 2023; 16:6243. [PMID: 37763521 PMCID: PMC10532881 DOI: 10.3390/ma16186243] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023]
Abstract
Polypropylene color masterbatches containing modified layered double hydroxides, LDHs, were created. The simple, industry-acceptable method of LDH surface modification with quinacridone and phthalocyanine pigments using the pulverization method in ball mills was applied. It was reported that the modification parameters such as time and rotational speed affected the tendency to create the aggregates for modified fillers. TGA analysis of the modified LDH showed that modification with phthalocyanine pigment shifted the temperature at which 5%, T5%, and 10% of mass loss, T10%, occurred compared with that for unmodified LDH. The viscoelastic properties of prepared masterbatches were investigated. The incorporation of the modified fillers instead of neat pigments led to an increase in the loss shear modulus, G″, indicating a stronger influence on the dissipation of energy by the melted masterbatch. The similar values of tan, δ, were determined for melted masterbatches containing phthalocyanine pigment and green modified LDH filler. The incorporation of both LDHs modified by phthalocyanine and quinacridone pigment fillers slightly increased the zero-shear viscosity, η0, compared with that of the masterbatches based on the neat pigments. The Cole-Cole plots and the analysis of the Maxwell and continuous relaxation models showed that modified colored LDH fillers facilitated the relaxation of the melted masterbatch, and shorter relaxation times were observed. The phthalocyanine-modified LDH filler improved the thermal stability of the masterbatches. Additionally, the impact of pigments and modified, colored LDH on the crystallization of polypropylene was investigated.
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Affiliation(s)
| | - Magdalena Lipińska
- Institute of Polymer and Dye Technology, Lodz University of Technology, 90-924 Łódź, Poland; (M.K.); (M.O.); (J.P.)
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31
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Jaramillo-Hernández C, Oestreicher V, Mizrahi M, Abellán G. Upscaling the urea method synthesis of CoAl layered double hydroxides. Beilstein J Nanotechnol 2023; 14:927-938. [PMID: 37736659 PMCID: PMC10509544 DOI: 10.3762/bjnano.14.76] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 08/16/2023] [Indexed: 09/23/2023]
Abstract
Research on two-dimensional materials is one of the most relevant fields in materials science. Layered double hydroxides (LDHs), a versatile class of anionic clays, exhibit great potential in photocatalysis, energy storage and conversion, and environmental applications. However, its implementation in real-life devices requires the development of efficient and reproducible large-scale synthesis processes. Unfortunately, reliable methods that allow for the production of large quantities of two-dimensional LDHs with well-defined morphologies and high crystallinity are very scarce. In this work, we carry out a scale-up of the urea-based CoAl-LDH synthesis method. We thoroughly study the effects of the mass scale-up (25-fold: up to 375 mM) and the volumetric scale-up (20-fold: up to 2 L). For this, we use a combination of several structural (XRD, TGA, and N2 and CO2 isotherms), microscopic (SEM, TEM, and AFM), magnetic (SQUID), and spectroscopic techniques (ATR-FTIR, UV-vis, XPS, ICP-MS, and XANES-EXAFS). In the case of the volumetric scale-up, a reduction of 45% in the lateral dimensions of the crystals (from 3.7 to 2.0 µm) is observed as the reaction volume increases. This fact is related to modified heating processes affecting the alkalinization rates and, concomitantly, the precipitation, even under recrystallization at high temperatures. In contrast, for the tenfold mass scale-up, similar morphological features were observed and assigned to changes in nucleation and growth. However, at higher concentrations, simonkolleite-like Co-based layered hydroxide impurities are formed, indicating a phase competition during the precipitation related to the thermodynamic stability of the growing phases. Overall, this work demonstrates that it is possible to upscale the synthesis of high-quality hexagonal CoAl-LDH in a reproducible manner. It highlights the most critical synthesis aspects that must be controlled and provides various fingerprints to trace the quality of these materials. These results will contribute to bringing the use of these 2D layered materials closer to reality in different applications of interest.
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Affiliation(s)
- Camilo Jaramillo-Hernández
- Instituto de Ciencia Molecular (ICMol). Universidad de Valencia, Catedrático José Beltrán 2, Paterna, Valencia, 46980, Spain
| | - Víctor Oestreicher
- Instituto de Ciencia Molecular (ICMol). Universidad de Valencia, Catedrático José Beltrán 2, Paterna, Valencia, 46980, Spain
| | - Martín Mizrahi
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas. Universidad Nacional de La Plata, CCT La Plata- CONICET. Diagonal 113 y 64, 1900, La Plata, Argentina
- Facultad de Ingeniería, Universidad Nacional de La Plata. Calle 1 esq. 47, 1900, La Plata, Argentina
| | - Gonzalo Abellán
- Instituto de Ciencia Molecular (ICMol). Universidad de Valencia, Catedrático José Beltrán 2, Paterna, Valencia, 46980, Spain
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32
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Foroutan F, Ahmadzadeh H, Davardoostmanesh M, Amiri A. Water desalination using stainless steel meshes coated with layered double hydroxide/graphene oxide nanocomposite. Water Environ Res 2023; 95:e10925. [PMID: 37691327 DOI: 10.1002/wer.10925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 07/18/2023] [Accepted: 09/02/2023] [Indexed: 09/12/2023]
Abstract
Coated stainless steel meshes with layered double hydroxides and graphene oxide nanocomposites (LDH/GO) were used as desalination membranes. The nature of stainless steel mesh allows a greater amount of sorbent to be coated on the surface using sol-gel technique and increases the adsorption capacity of ions and the efficiency of desalination. These substrates improve the contact surface area so that approximately 5 min is required for the desalination process. The LDH/GO stainless steel mesh exhibited excellent corrosion resistance and tensile strength of 99.9% and 112 MPa, respectively. To achieve the best desalination efficiency, different parameters were optimized, including the ratio of GO to LDH in the nanocomposites, the number of mesh layers, NaCl concentrations, and process cycles. The maximum adsorption capacity for the NaCl was 555.5 mg g-1 . The results revealed that LDH/GO nanocomposite was able to remove (94.3 ± 0.5) % of the NaCl under the optimum conditions. The proposed method was used to successfully remove Na+ , Mg+2 , Ca+2 , and K+ cations from seawater, with the yields of 92.3%, 92.5%, 91.2%, and 90.2%, respectively. PRACTITIONER POINTS: The salts are removed via interaction between salt ions and functional groups on the LDH/GO nanocomposite surface. A high amount of adsorbent loaded on the surface of steel mesh leads to an improvement in the adsorption capacity. The sol-gel technique strengthens the LDH/GO nanocomposites on the surface of steel mesh.
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Affiliation(s)
- Fahimeh Foroutan
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Hossein Ahmadzadeh
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | | | - Amirhassan Amiri
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
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Li J, Shen T, Wu Z, Bai S, Song Z, Song YF. Photocatalytic Oxidative Coupling of Ethane to n-Butane Using CO 2 as a Soft Oxidant over NiTi- Layered Double Hydroxide. Small 2023:e2304604. [PMID: 37635099 DOI: 10.1002/smll.202304604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/28/2023] [Indexed: 08/29/2023]
Abstract
Selective conversion of ethane (C2 H6 ) to high-value-added chemicals is a very important chemical process, yet it remains challenging owing to the difficulty of ethane activation. Here, a NiTi-layered double hydroxide (NiTi-LDH) photocatalyst is reported for oxidative coupling of ethane to n-butane (n-C4 H10 ) by using CO2 as an oxidant. Remarkably, the as-prepared NiTi-LDH exhibits a high selectivity for n-C4 H10 (92.35%) with a production rate of 62.06 µmol g-1 h-1 when the feed gas (CO2 /C2 H6 ) ratio is 2:8. The X-ray absorption fine structure (XAFS) and photoelectron characterizations demonstrate that NiTi-LDH possesses rich vacancies and high electron-hole separation efficiency, which can promote the coupling of C2 H6 to n-C4 H10 . More importantly, density functional theory (DFT) calculations reveal that ethane is first activated on the oxygen vacancies of the catalyst surface, and the C─C coupling pathway is more favorable than the C─H cleavage to C2 H4 or CH4 , resulting in the high production rate and selectivity for n-C4 H10 .
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Affiliation(s)
- Jiaxin Li
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Tianyang Shen
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Zhaohui Wu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Sha Bai
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Ziheng Song
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Yu-Fei Song
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
- Quzhou Institute for Innovation in Resource Chemical Engineering, Quzhou, Zhejiang Province, 324000, P. R. China
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Melánová K, Kopecká K, Beneš L, Kutálek P, Knotek P, Zmrhalová Z, Svoboda J. Functionalization of ZnAl- Layered Double Hydroxide with Ensulizole and Its Application as a UV-Protective Agent in a Transparent Polymer Coating. Molecules 2023; 28:6262. [PMID: 37687092 PMCID: PMC10488424 DOI: 10.3390/molecules28176262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
In this study, we propose a promising photoprotective additive that combines the advantages of both organic UV absorbers and inorganic particles without compromising the properties of the paint material. This additive involves the intercalation of a well-known organic UV absorber, 2-phenylbenzimidazole-5-sulfonic acid (PBISA), into zinc-aluminum layered double hydroxide (ZnAl-LDH). Three ZnAl-LDH intercalates with PBISA were prepared using various methods based on either anion exchange or direct synthesis. The intercalates were characterized using powder X-ray diffraction, thermogravimetry, elemental analysis, and IR and UV-Vis spectroscopies. The composition and basal spacings of all three intercalates are very similar. An effective UV protection film was prepared when the ZnAl-PBISA-1 intercalate was incorporated into polyurethane-acrylate lacquer. The resultant UV protective film exhibited stability and uniform distribution of the intercalated fillers. Some minimal particle sedimentation and aggregation were observed on the cured film's underside, but did not compromise the films' UV protective properties. The prepared lacquers with intercalated fillers offer a viable solution for the surface modification of plastic products.
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Affiliation(s)
- Klára Melánová
- Joint Laboratory of Solid State Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 84, 53210 Pardubice, Czech Republic; (K.M.); (L.B.); (P.K.); (Z.Z.)
| | - Kateřina Kopecká
- SYNPO, akciová společnost, S. K. Neumanna 1316, 53207 Pardubice, Czech Republic;
| | - Ludvík Beneš
- Joint Laboratory of Solid State Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 84, 53210 Pardubice, Czech Republic; (K.M.); (L.B.); (P.K.); (Z.Z.)
| | - Petr Kutálek
- Joint Laboratory of Solid State Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 84, 53210 Pardubice, Czech Republic; (K.M.); (L.B.); (P.K.); (Z.Z.)
| | - Petr Knotek
- Department of General and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic;
| | - Zuzana Zmrhalová
- Joint Laboratory of Solid State Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 84, 53210 Pardubice, Czech Republic; (K.M.); (L.B.); (P.K.); (Z.Z.)
| | - Jan Svoboda
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
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Govea-Alonso DO, García-Soto MJ, Mendoza-Pérez ES, Farfán-Castro S, Fuente D, González-Ortega O, Rosales-Mendoza S. Assessing the Adjuvant Effect of Layered Double Hydroxides (LDH) on BALB/c Mice. Materials (Basel) 2023; 16:5467. [PMID: 37570172 PMCID: PMC10419364 DOI: 10.3390/ma16155467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/23/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023]
Abstract
The discovery and validation of new adjuvants are critical areas for vaccinology. Mineral materials (e.g., alum microparticles) have been used for a long time as adjuvants in human vaccine formulations. Nonetheless, the use of nanosized materials is a promising approach to diversify the properties of adjuvants. Nanoclays are potential adjuvants proposed by some research groups. However, their adjuvant mechanisms and safety have not been fully elucidated. Herein, we aimed at expanding the knowledge on the potential adjuvanticity of layered double hydroxide (LDH) nanoparticles by reporting a detailed method for the synthesis and characterization of LDHs and the adsorption of a model antigen (bovine serum albumin, BSA). LDHs varying in diameter (from 56 to 88 nm) were obtained, and an in vitro evaluation revealed that the LDHs are not inherently toxic. BSA was passively adsorbed onto the LDHs, and the immunogenicity in mice of the conjugates obtained was compared to that of free BSA and BSA co-administered with alum (Alum-BSA). The LDH-BSA conjugates induced a higher humoral response that lasted for a longer period compared with that of free BSA and Alum-BSA, confirming that LDH exerts adjuvant effects. The 56 nm LDH particles were deemed as the more efficient carrier since they induced a higher and more balanced Th1/Th2 response than the 88 nm particles. This study is a contribution toward expanding the characterization and use of nanoclays in vaccinology and justifies further studies with pathogen-specific antigens.
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Affiliation(s)
- Dania O. Govea-Alonso
- Departamento de Biotecnológicas y Ambientales, Universidad Autónoma de Guadalajara, Zapopan 45129, Mexico;
| | - Mariano J. García-Soto
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2ª. Sección, San Luis Potosí 78210, Mexico; (M.J.G.-S.); (E.S.M.-P.); (S.F.-C.)
| | - Emilio Sebastián Mendoza-Pérez
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2ª. Sección, San Luis Potosí 78210, Mexico; (M.J.G.-S.); (E.S.M.-P.); (S.F.-C.)
| | - Susan Farfán-Castro
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2ª. Sección, San Luis Potosí 78210, Mexico; (M.J.G.-S.); (E.S.M.-P.); (S.F.-C.)
| | - Diana Fuente
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2ª. Sección, San Luis Potosí 78210, Mexico; (M.J.G.-S.); (E.S.M.-P.); (S.F.-C.)
| | - Omar González-Ortega
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2ª. Sección, San Luis Potosí 78210, Mexico; (M.J.G.-S.); (E.S.M.-P.); (S.F.-C.)
| | - Sergio Rosales-Mendoza
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2ª. Sección, San Luis Potosí 78210, Mexico; (M.J.G.-S.); (E.S.M.-P.); (S.F.-C.)
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Wei H, Li Q, Jin B, Liu H. Ce-Doped Three-Dimensional Ni/Fe LDH Composite as a Sulfur Host for Lithium-Sulfur Batteries. Nanomaterials (Basel) 2023; 13:2244. [PMID: 37570562 PMCID: PMC10421372 DOI: 10.3390/nano13152244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/28/2023] [Accepted: 08/01/2023] [Indexed: 08/13/2023]
Abstract
Lithium-sulfur batteries (LSBs) have become the most promising choice in the new generation of energy storage/conversion equipment due to their high theoretical capacity of 1675 mAh g-1 and theoretical energy density of 2600 Wh kg-1. Nevertheless, the continuous shuttling of lithium polysulfides (LiPSs) restricts the commercial application of LSBs. The appearance of layered double hydroxides (LDH) plays a certain role in the anchoring of LiPSs, but its unsatisfactory electronic conductivity and poor active sites hinder its realization as a sulfur host for high-performance LSBs. In this paper, metal organic framework-derived and Ce ion-doped LDH (Ce-Ni/Fe LDH) with a hollow capsule configuration is designed rationally. The hollow structure of Ce-Ni/Fe LDH contains a sufficient amount of sulfur. Fe, Ni, and Ce metal ions effectively trap LiPSs; speed up the conversion of LiPSs; and firmly anchor LiPSs, thus effectively inhibiting the shuttle of LiPSs. The electrochemical testing results demonstrate that a lithium-sulfur battery with capsule-type S@Ce-Ni/Fe LDH delivers the initial discharge capacities of 1207 mAh g-1 at 0.1 C and 1056 mAh g-1 at 0.2 C, respectively. Even at 1 C, a lithium-sulfur battery with S@Ce-Ni/Fe LDH can also cycle 1000 times. This work provides new ideas to enhance the electrochemical properties of LSBs by constructing a hollow capsule configuration.
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Affiliation(s)
| | | | - Bo Jin
- Key Laboratory of Automobile Materials, Ministry of Education, and School of Materials Science and Engineering, Jilin University, Changchun 130022, China; (H.W.); (Q.L.); (H.L.)
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Neagu AL, Zaharia A, Pavel OD, Tîrşoaga A, Neblea IE, Dolana SV, Ţebrencu CE, Iordache TV, Sârbu A, Zăvoianu R. Synergistic Sustained Drug-Release System Based on Immobilized Rhamnus frangula L. Phytoextract into Layered Double Hydroxide Covered by Biocompatible Hydrogel. Pharmaceutics 2023; 15:1888. [PMID: 37514079 PMCID: PMC10384351 DOI: 10.3390/pharmaceutics15071888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/29/2023] [Accepted: 07/03/2023] [Indexed: 07/30/2023] Open
Abstract
This work focuses on the synergetic effect obtained by immobilization of Rhamnus frangula L. (RfL) phytoextract in layered double hydroxides (LDHs) matrixes and their subsequent encapsulation into biocompatible hydrogels (HG). In this respect, the LDHs were used as hosts for the immobilization of the phytoextract by a reconstruction method, after which the LDHsRfL were embedded into biocompatible hydrogel (HG) matrixes, based on polyethylene glycol diacrylate (PEGDA), by a radical polymerization reaction. The resulted biocompatible hydrogel composites were characterized by modern methods, while the swelling and rheology measurements revealed that the HG composites steadily improved as the content of RfL phytoextract immobilized on LDHs (LDHsRfL) increased. The following in vitro sustained release of the RfL phytoextract was highlighted by measurements at pH 6.8, in which case the composite HGs with LDHsRfL presented an improved release behavior over the LDHsRfL, thus, underlining the synergistic effect of PEGDA network and LDH particles on the slow-release behavior. The kinetic models used in the RfL release from composite HGs clearly indicate that the release is diffusion controlled in all the cases. The final composite HGs described here may find applications in the pharmaceutical field as devices for the controlled release of drugs.
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Affiliation(s)
- Ana-Lorena Neagu
- National Institute for Research and Development & Chemistry and Petrochemistry-ICECHIM, Bucharest, Spl. Independentei No. 202, Sector 6, 060021 Bucharest, Romania
- Department of Bioresources and Polymer Science, Faculty of Chemical Engineering and Biotechnology, University Politehnica of Bucharest, Str. Gh. Polizu No. 1-7, Sector1, 011061 Bucharest, Romania
| | - Anamaria Zaharia
- National Institute for Research and Development & Chemistry and Petrochemistry-ICECHIM, Bucharest, Spl. Independentei No. 202, Sector 6, 060021 Bucharest, Romania
| | - Octavian Dumitru Pavel
- Faculty of Chemistry, Research Center for Catalysts and Catalytic Processes, University of Bucharest, Bd. Regina Elisabeta No. 4-12, S3, 030018 Bucharest, Romania
| | - Alina Tîrşoaga
- Faculty of Chemistry, Research Center for Catalysts and Catalytic Processes, University of Bucharest, Bd. Regina Elisabeta No. 4-12, S3, 030018 Bucharest, Romania
| | - Iulia Elena Neblea
- National Institute for Research and Development & Chemistry and Petrochemistry-ICECHIM, Bucharest, Spl. Independentei No. 202, Sector 6, 060021 Bucharest, Romania
- Department of Bioresources and Polymer Science, Faculty of Chemical Engineering and Biotechnology, University Politehnica of Bucharest, Str. Gh. Polizu No. 1-7, Sector1, 011061 Bucharest, Romania
| | - Sorin Viorel Dolana
- National Institute for Research and Development & Chemistry and Petrochemistry-ICECHIM, Bucharest, Spl. Independentei No. 202, Sector 6, 060021 Bucharest, Romania
- Department of Bioresources and Polymer Science, Faculty of Chemical Engineering and Biotechnology, University Politehnica of Bucharest, Str. Gh. Polizu No. 1-7, Sector1, 011061 Bucharest, Romania
| | - Carmen Elena Ţebrencu
- Commercial Society for Medicinal Plant Research and Processing Plantavorelsa, Str. CuzaVoda, 46, Jud. Neamt, 610019 Piatra Neamt, Romania
- Department of Chemical Sciences, Romanian Academy of Scientists, Str. Ilfov No. 3, S5, 050045 Bucharest, Romania
| | - Tanta-Verona Iordache
- National Institute for Research and Development & Chemistry and Petrochemistry-ICECHIM, Bucharest, Spl. Independentei No. 202, Sector 6, 060021 Bucharest, Romania
| | - Andrei Sârbu
- National Institute for Research and Development & Chemistry and Petrochemistry-ICECHIM, Bucharest, Spl. Independentei No. 202, Sector 6, 060021 Bucharest, Romania
| | - Rodica Zăvoianu
- Faculty of Chemistry, Research Center for Catalysts and Catalytic Processes, University of Bucharest, Bd. Regina Elisabeta No. 4-12, S3, 030018 Bucharest, Romania
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Chauhan P, Siraj S, Joseph KS, Dabhi S, Bhadu GR, Sahatiya P, Sumesh CK. Synergistically Driven CoCr-LDH@VNiS 2 as a Bifunctional Electrocatalyst for Overall Water Splitting and Flexible Supercapacitors. ACS Appl Mater Interfaces 2023. [PMID: 37378521 DOI: 10.1021/acsami.3c03115] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
Utilizing alternative energy sources to fossil fuels has remained a significant issue for humanity. In this context, efficient earth-abundant bifunctional catalysts for water splitting and energy storage technologies like hybrid supercapacitors have become essential for achieving a sustainable future. Herein, CoCr-LDH@VNiS2 was synthesized by hydrothermal synthesis. The CoCr-LDH@VNiS2 catalyst entails 1.62 V cell voltage to reach the current density of 10 mA cm-2 for overall water splitting. The CoCr-LDH@VNiS2 electrode illustrates a high electrochemical specific capacitance (Csp) of 1380.9 F g-1 at a current density of 0.2 A g-1 and an outstanding stability with 94.76% retention. Moreover, the flexible asymmetric supercapacitor (ASC) achieved an energy density of 96.03 W h kg-1@0.2 A g-1 at a power density of 539.98 W kg-1 with remarkable cyclic stability. The findings provide a new approach toward the rational design and synthesis of bifunctional catalysts for water splitting and energy storage.
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Affiliation(s)
- Payal Chauhan
- Department of Physical Sciences, P. D. Patel Institute of Applied Science, CHARUSAT Campus, Highway 139, Off. Nadiad-Petlad Road, Changa, Gujarat 388421, India
| | - Sohel Siraj
- Department of Electrical and Electronics Engineering, Birla Institute of Technology and Science Pilani Hyderabad Campus, Hyderabad 500078, India
| | - K Simmy Joseph
- Department of Physical Sciences, P. D. Patel Institute of Applied Science, CHARUSAT Campus, Highway 139, Off. Nadiad-Petlad Road, Changa, Gujarat 388421, India
| | - Shweta Dabhi
- Department of Physical Sciences, P. D. Patel Institute of Applied Science, CHARUSAT Campus, Highway 139, Off. Nadiad-Petlad Road, Changa, Gujarat 388421, India
| | - Gopala R Bhadu
- AESD@CIF, CSIR-CSMCRI, G B Marg, Waghwadi Road, Bhavnagar, Gujarat 364002, India
| | - Parikshit Sahatiya
- Department of Electrical and Electronics Engineering, Birla Institute of Technology and Science Pilani Hyderabad Campus, Hyderabad 500078, India
| | - C K Sumesh
- Department of Physical Sciences, P. D. Patel Institute of Applied Science, CHARUSAT Campus, Highway 139, Off. Nadiad-Petlad Road, Changa, Gujarat 388421, India
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De Geest M, Michielsen B, Ciocarlan RG, Cool P, Seftel EM. Structured LDH/Bentonite Composites for Chromium Removal and Recovery from Aqueous Solutions. Molecules 2023; 28:4879. [PMID: 37375434 DOI: 10.3390/molecules28124879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/16/2023] [Accepted: 06/18/2023] [Indexed: 06/29/2023] Open
Abstract
This study focuses on chromium removal through adsorption and ion exchange using structured calcined layered double hydroxide (LDH) (MgAl)-bentonite composites. Firstly, the powders were structured into granulates to study the effect on Cr sorption kinetics to circumvent the limitations of working with powders in real-life applications. Secondly, the regeneration of the structured composites was optimized to enable multi-cycling operation, which is the key for their applicability beyond laboratory scale. Firstly, the LDH/bentonite ratio was optimized to obtain the best performance for the removal of Cr3+ and Cr6+ species. In powder form, the calcined adsorbent containing 80 wt% LDH and 20 wt% bentonite performed best with an adsorption capacity of 48 and 40 mg/g for Cr3+ and Cr6+, respectively. The desorption was optimized by studying the effect of the NaCl concentration and pH, with a 2 M NaCl solution without pH modification being optimal. The kinetic data of the adsorption and desorption steps were modelled, revealing a pseudo-second order model for both. This was also demonstrated using XRD and Raman measurements after the Cr3+ and Cr6+ adsorption tests, indicating successful uptake and revealing the adsorption mechanism. Finally, five consecutive adsorption-desorption cycles were performed, each showing nearly 100% adsorption and desorption.
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Affiliation(s)
- Mitra De Geest
- Laboratory of Adsorption & Catalysis, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Bart Michielsen
- VITO Flemish Institute for Technological Research, Boeretang 200, 2400 Mol, Belgium
| | - Radu-G Ciocarlan
- Laboratory of Adsorption & Catalysis, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Pegie Cool
- Laboratory of Adsorption & Catalysis, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Elena M Seftel
- VITO Flemish Institute for Technological Research, Boeretang 200, 2400 Mol, Belgium
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Huang Y, Liu C, Qin L, Xie M, Xu Z, Yu Y. Efficient Adsorption Capacity of MgFe- Layered Double Hydroxide Loaded on Pomelo Peel Biochar for Cd (II) from Aqueous Solutions: Adsorption Behaviour and Mechanism. Molecules 2023; 28:molecules28114538. [PMID: 37299014 DOI: 10.3390/molecules28114538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 05/29/2023] [Accepted: 06/01/2023] [Indexed: 06/12/2023] Open
Abstract
A novel pomelo peel biochar/MgFe-layered double hydroxide composite (PPBC/MgFe-LDH) was synthesised using a facile coprecipitation approach and applied to remove cadmium ions (Cd (II)). The adsorption isotherm demonstrated that the Cd (II) adsorption by the PPBC/MgFe-LDH composite fit the Langmuir model well, and the adsorption behaviour was a monolayer chemisorption. The maximum adsorption capacity of Cd (II) was determined to be 448.961 (±12.3) mg·g-1 from the Langmuir model, which was close to the actual experimental adsorption capacity 448.302 (±1.41) mg·g-1. The results also demonstrated that the chemical adsorption controlled the rate of reaction in the Cd (II) adsorption process of PPBC/MgFe-LDH. Piecewise fitting of the intra-particle diffusion model revealed multi-linearity during the adsorption process. Through associative characterization analysis, the adsorption mechanism of Cd (II) of PPBC/MgFe-LDH involved (i) hydroxide formation or carbonate precipitation; (ii) an isomorphic substitution of Fe (III) by Cd (II); (iii) surface complexation of Cd (II) by functional groups (-OH); and (iv) electrostatic attraction. The PPBC/MgFe-LDH composite demonstrated great potential for removing Cd (II) from wastewater, with the advantages of facile synthesis and excellent adsorption capacity.
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Affiliation(s)
- Yongxiang Huang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin 541004, China
| | - Chongmin Liu
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin 541004, China
| | - Litang Qin
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin 541004, China
| | - Mingqi Xie
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin 541004, China
| | - Zejing Xu
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin 541004, China
| | - Youkuan Yu
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
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Song W, Xu Y, Xie X, Li C, Zhu W, Xiang Q, Chen W, Tang N, Wang L. CoFe- Layered Double Hydroxide Coupled with Pd Particles for Electrocatalytic Ethanol Oxidation. ACS Appl Mater Interfaces 2023. [PMID: 37216444 DOI: 10.1021/acsami.3c01541] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Electrocatalytic efficiency and stability have emerged as critical issues in the ethanol oxidation reaction (EOR) of direct ethanol fuel cells. In this paper, Pd/Co1Fe3-LDH/NF as an electrocatalyst for EOR was prepared by a two-step synthetic strategy. Metal-oxygen bonds formed between Pd nanoparticles and Co1Fe3-LDH/NF guaranteed structural stability and adequate surface-active site exposure. More importantly, the charge transfer of the formed Pd-O-Co(Fe) bridge could effectively modulate the electrical structure of hybrids, improving the facilitated absorption of OH- radicals and oxidation of COads. Benefiting from the interfacial interaction, exposed active sites, and structural stability, the observed specific activity for Pd/Co1Fe3-LDH/NF (17.46 mA cm-2) was 97 and 73 times higher than those of commercial Pd/C (20%) (0.18 mA cm-2) and Pt/C (20%) (0.24 mA cm-2), respectively. Besides, the jf/jr ratio representing the resistance to catalyst poisoning was 1.92 in the Pd/Co1Fe3-LDH/NF catalytic system. These results provide insights into optimizing the electronic interaction between metals and the support of electrocatalysts for EOR.
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Affiliation(s)
- Wenwen Song
- College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Yanqi Xu
- College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Key Laboratory of New Technology for Processing Nonferrous Metals and Materials, Ministry of Education; Collaborative Innovation Center for Exploration of Nonferrous Metal Deposits and Efficient Utilization of Resources in Guangxi, Guilin University of Technology, Guilin 541004, China
| | - Xiangli Xie
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Cunjun Li
- College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Key Laboratory of New Technology for Processing Nonferrous Metals and Materials, Ministry of Education; Collaborative Innovation Center for Exploration of Nonferrous Metal Deposits and Efficient Utilization of Resources in Guangxi, Guilin University of Technology, Guilin 541004, China
| | - Wenfeng Zhu
- College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Key Laboratory of New Technology for Processing Nonferrous Metals and Materials, Ministry of Education; Collaborative Innovation Center for Exploration of Nonferrous Metal Deposits and Efficient Utilization of Resources in Guangxi, Guilin University of Technology, Guilin 541004, China
| | - Qiankun Xiang
- Shenzhen Shenai Semiconductor Co., Ltd., Shenzhen 518116, China
| | - Wei Chen
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ningli Tang
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Linjiang Wang
- College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Key Laboratory of New Technology for Processing Nonferrous Metals and Materials, Ministry of Education; Collaborative Innovation Center for Exploration of Nonferrous Metal Deposits and Efficient Utilization of Resources in Guangxi, Guilin University of Technology, Guilin 541004, China
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Jiang S, Yin M, Ren H, Qin Y, Wang W, Wang Q, Li X. Novel CuMgAlTi-LDH Photocatalyst for Efficient Degradation of Microplastics under Visible Light Irradiation. Polymers (Basel) 2023; 15:polym15102347. [PMID: 37242921 DOI: 10.3390/polym15102347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/08/2023] [Accepted: 05/14/2023] [Indexed: 05/28/2023] Open
Abstract
Microplastics (MPs) in the water system could easily enter the human body and pose a potential threat, so finding a green and effective solution remains a great challenge. At present, the advanced oxidation technology represented by photocatalysis has been proven to be effective in the removal of organic pollutants, making it a feasible method to solve the problem of MP pollution. In this study, the photocatalytic degradation of typical MP polystyrene (PS) and polyethylene (PE) by a new quaternary layered double hydroxide composite photomaterial CuMgAlTi-R400 was tested under visible light irradiation. After 300 h of visible light irradiation, the average particle size of PS decreased by 54.2% compared with the initial average particle size. The smaller the particle size, the higher the degradation efficiency. The degradation pathway and mechanism of MPs were also studied by GC-MS, which showed that PS and PE produced hydroxyl and carbonyl intermediates in the process of photodegradation. This study demonstrated a green, economical, and effective strategy for the control of MPs in water.
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Affiliation(s)
- Shengyun Jiang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Mingshan Yin
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Huixue Ren
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Yaping Qin
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Weiliang Wang
- Beicheng Environmental Engineering Co., Ltd., Jinan 250101, China
| | - Quanyong Wang
- Shandong Huacheng Urban Construction Design Engineering Co., Ltd., Jinan 250101, China
| | - Xuemei Li
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China
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43
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Singh BK, Mahzan NS, Abdul Rashid NS, Isa SA, Hafeez MA, Saslow S, Wang G, Mo C, Um W. Design and Application of Materials for Sequestration and Immobilization of 99Tc. Environ Sci Technol 2023; 57:6776-6798. [PMID: 37071722 DOI: 10.1021/acs.est.3c00129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
99Technetium (99Tc) is a hazardous radionuclide that poses a serious environmental threat. The wide variation and complex chemistries of liquid nuclear waste streams containing 99Tc often create unique, site specific challenges when sequestering and immobilizing the waste in a matrix suitable for long-term storage and disposal. Therefore, an effective management plan for 99Tc containing liquid radioactive wastes (such as storage (tanks) and decommissioned wastes) will likely require a variety of suitable materials/matrixes capable of adapting to and addressing these challenges. In this review, we discuss and highlight the key developments for effective removal and immobilization of 99Tc liquid waste in inorganic waste forms. Specifically, we review the synthesis, characterization, and application of materials for the targeted removal of 99Tc from (simulated) waste solutions under various experimental conditions. These materials include (i) layered double hydroxides (LDHs), (ii) metal-organic frameworks (MOFs), (iii) ion-exchange resins (IERs) as well as cationic organic polymers (COPs), (iv) surface modified natural clay materials (SMCMs), and (v) graphene-based materials (GBMs). Second, we discuss some of the major and recent developments toward 99Tc immobilization in (i) glass, (ii) cement, and (iii) iron mineral waste forms. Finally, we present future challenges that need to be addressed for the design, synthesis, and selection of suitable matrixes for the efficient sequestration and immobilization of 99Tc from targeted wastes. The purpose of this review is to inspire research on the design and application of various suitable materials/matrixes for selective removal of 99Tc present globally in different radioactive wastes and its immobilization in stable/durable waste forms.
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Affiliation(s)
- Bhupendra Kumar Singh
- Division of Advanced Nuclear Engineering (DANE), Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-Gu, Pohang, Gyeongbuk 790-784, Republic of Korea
- Nuclear Environmental Technology Institute (NETI), Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk 790-784, Republic of Korea
| | - Nurul Syiffa Mahzan
- Division of Advanced Nuclear Engineering (DANE), Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-Gu, Pohang, Gyeongbuk 790-784, Republic of Korea
| | - Nur Shahidah Abdul Rashid
- Division of Advanced Nuclear Engineering (DANE), Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-Gu, Pohang, Gyeongbuk 790-784, Republic of Korea
| | - Samiratu Atibun Isa
- Division of Advanced Nuclear Engineering (DANE), Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-Gu, Pohang, Gyeongbuk 790-784, Republic of Korea
| | - Muhammad Aamir Hafeez
- Division of Advanced Nuclear Engineering (DANE), Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-Gu, Pohang, Gyeongbuk 790-784, Republic of Korea
| | - Sarah Saslow
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Guohui Wang
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Changki Mo
- Washington State University Tri-Cities, Richland, Washington 99354, United States
| | - Wooyong Um
- Division of Advanced Nuclear Engineering (DANE), Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-Gu, Pohang, Gyeongbuk 790-784, Republic of Korea
- Division of Environmental Sciences and Engineering (DESE), Pohang University of Science and Technology (POSTECH), 77 Chongam-ro, Nam-Gu, Pohang, Gyeongbuk 790-784, Republic of Korea
- Nuclear Environmental Technology Institute (NETI), Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk 790-784, Republic of Korea
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Zhao X, Yuan Y, Wei Y, Zhang Z, Zhang Y. LDH-Based "Smart" Films for Corrosion Sensing and Protection. Materials (Basel) 2023; 16:ma16093483. [PMID: 37176365 PMCID: PMC10180374 DOI: 10.3390/ma16093483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/25/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023]
Abstract
In a "smart" corrosion-protective coating system, both the active anti-corrosion and the early corrosion detection of underlying metals are highly required. It is practical significant to develop materials that possess self-detecting of the early local corrosion and self-healing of coating defects simultaneously. The organic compound 8-hydroxyquinoline (8HQ) is an effective inhibitor and a fluorescent sensor probe for corrosion of aluminum alloy. Therefore, a layer double hydroxide (LDH) nanocontainer film loaded with the 8HQ was developed for the active corrosion protection purpose of aluminum alloy AA2024. In corrosive environments, the 8HQ are released from LDH film to inhibit the corrosion process, leading to the loss of the complexation with Al3+ ions in LDH laminates, thus turning off fluorescence. Results show that the LDH film loaded with 8HQ composites can improve the anti-corrosion performance of the film by releasing corrosion inhibitors on demand. Simultaneously, due to the complexation of 8HQ and Al3+ ions, the LDH film is fluorescent at the initial stage under ultraviolet light, and then becomes non-fluorescent at the corrosion sites, indicating the corrosion evolution process of the coating. The 8HQ-loaded LDH film with self-healing and self-detecting dual functions provides promising opportunities for the effective corrosion protection of aluminum alloy due to its "smart" and multifunctional properties.
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Affiliation(s)
- Xuejie Zhao
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China
| | - Yujie Yuan
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China
| | - Yuankun Wei
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China
| | - Zhe Zhang
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China
| | - You Zhang
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China
- Beijing Key Lab of Special Elastomeric Composite Materials, Beijing 102617, China
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45
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Dong H, Qi S, Wang L, Chen X, Xiao Y, Wang Y, Sun B, Wang G, Chen S. Conductive Polymer Coated Layered Double Hydroxide as a Novel Sulfur Reservoir for Flexible Lithium-Sulfur Batteries. Small 2023:e2300843. [PMID: 37035959 DOI: 10.1002/smll.202300843] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/04/2023] [Indexed: 06/19/2023]
Abstract
Lithium-sulfur battery (LSB) is widely regarded as the most promising next-generation energy storage system owing to its high theoretical capacity and low cost. However, the practical application of LSBs is mainly hampered by the low electronic conductivity of the sulfur cathode and the notorious "shuttle effect", which lead to high voltage polarization, severe over-charge behavior, and rapid capacity decay. To address these issues, a novel sulfur reservoir is synthesized by coating polypyrrole (PPy) thin film on hollow layered double hydroxide (LDH) (PPy@LDH). After compositing with sulfur, such PPy@LDH-S cathode shows a multi-functional effect to reserve lithium polysulfides (LiPSs). In addition, the unique architecture provides sufficient inner space to encapsulate the volume expansion and enhances the reaction kinetics of sulfur-based redox chemistry. Theoretical calculations have illustrated that the PPy@LDH has shown stronger chemical adsorption capability for LiPSs than those of porous carbon and LDH, preventing the shuttling of LiPSs and enhancing the nucleation affinity of liquid-solid conversion. As a result, the PPy@LDH-S electrode delivers a stable cycling performance and a superior rate capability. Flexible battery has demonstrated this PPy@LDH-S electrode can work properly with treatments of bending, folding, and even twisting, paving the way for wearable devices and flexible electronics.
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Affiliation(s)
- Hanghang Dong
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Shuo Qi
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Lei Wang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Xianfei Chen
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, P. R. China
| | - Yao Xiao
- Institute for Carbon Neutralization, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang, 325035, P. R. China
| | - Yong Wang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Bing Sun
- Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, 15 Broadway, Ultimo, NSW, 2007, Australia
| | - Guoxiu Wang
- Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, 15 Broadway, Ultimo, NSW, 2007, Australia
| | - Shuangqiang Chen
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
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46
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Li S, Li Y, Sun L, Pan F, Yuan X, Xia D. Facilitated catalytic ozonation of atrazine over highly stabilized Zn-Al layered double oxides composites: efficacy and mechanism. Environ Technol 2023; 44:1478-1492. [PMID: 34762002 DOI: 10.1080/09593330.2021.2005687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 11/05/2021] [Indexed: 06/13/2023]
Abstract
A series of Zn-Al Layered Double Oxides (ZnAl-LDO) composites were prepared by the hydrothermal and calcination method via employing the Zn-Al Layered Double Hydroxide (ZnAl-LDH) as the precursors in the present study. The structural properties and the catalytic ozonation activity of ZnrAl-T composites synthesized with different Zn/Al molar ratios and calcination temperatures were systematically investigated. Diversified characterizations were applied to analyze the phase structure and chemical composition of ZnrAl-T composites. As the calcination temperature increased, the layered ZnAl-LDH structure could be entirely destroyed and the crystallinity gradually improved. With the Zn/Al mole ratio of 4.0 and calcination temperature of 500°C, the Zn4Al-500 composite obtained the outstanding catalytic ozonation performance for atrazine (ATZ) degradation with the pseudo-first-order constant of 0.5080 min-1, which was 5 times more than that in O3 alone. Meanwhile, the ATZ degradation efficiency was gradually enhanced from 44.1% to 99.9% within 3.0 min when the solution pH ranged from 3.0 to 10.0. Besides, the Zn4Al-500 composite exhibited splendid stability over multiple reaction cycles. In addition, the radical scavenging test and electron spin resonance measurement demonstrated that superoxide radical and hydroxyl radical are the dominant reactive species in O3/Zn4Al-500 process. Moreover, nineteen and ten transformation products were detected in O3 alone and O3/Zn4Al-500 process, and possible degradation pathways of ATZ were further elucidated. Overall, the Zn4Al-500 composite would provide a potential alternative for pollutants removal due to its high catalytic ozonation efficiency, stability, and reusability.
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Affiliation(s)
- Shangkun Li
- School of Environmental Engineering, Wuhan Textile University, Wuhan, People's Republic of China
- Research and Development Center of Beijing Drainage Group Technology, Beijing, People's Republic of China
| | - Yangang Li
- Research and Development Center of Beijing Drainage Group Technology, Beijing, People's Republic of China
| | - Lei Sun
- School of Environmental Engineering, Wuhan Textile University, Wuhan, People's Republic of China
| | - Fei Pan
- School of Environmental Engineering, Wuhan Textile University, Wuhan, People's Republic of China
| | - Xiangjuan Yuan
- School of Environmental Engineering, Wuhan Textile University, Wuhan, People's Republic of China
- Engineering Research Center for Clean Production of Textile Dyeing and Printing, Ministry of Education, Wuhan, People's Republic of China
| | - Dongsheng Xia
- School of Environmental Engineering, Wuhan Textile University, Wuhan, People's Republic of China
- Engineering Research Center for Clean Production of Textile Dyeing and Printing, Ministry of Education, Wuhan, People's Republic of China
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Bai Y, Wang Z, Yu L, Dong K, Cheng L, Zhu R. The enhanced generation of motor neurons from mESCs by MgAl layered double hydroxide nanoparticles. Biomed Mater 2023; 18. [PMID: 36898160 DOI: 10.1088/1748-605x/acc375] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 03/10/2023] [Indexed: 03/12/2023]
Abstract
The committed differentiation of stem cells into neurons is a promising therapeutic strategy for neurological diseases. Predifferentiation of transplanted stem cells into neural precursors could enhance their utilization and control the direction of differentiation. Embryonic stem cells with totipotency can differentiate into specific nerve cells under appropriate external induction conditions. Layered double hydroxide (LDH) nanoparticles have been proven to regulate the pluripotency of mouse ESCs (mESCs), and LDH could be used as carrier in neural stem cells for nerve regeneration. Hence, we sought to study the effects of LDH without loaded factors on mESCs neurogenesis in this work. A series of characteristics analyses indicated the successful construction of LDH nanoparticles. LDH nanoparticles that may adhere to the cell membranes had insignificant effect on cell proliferation and apoptosis. The enhanced differentiation of mESCs into motor neurons by LDH was systematically validated by immunofluorescent staining, quantitative real-time PCR analysis and western blot analysis. In addition, transcriptome sequencing analysis and mechanism verification elucidated the significant regulatory roles of focal adhesion signaling pathway in the enhanced mESCs neurogenesis by LDH. Taken together, the functional validation of inorganic LDH nanoparticles promoting motor neurons differentiation provide a novel strategy and therapeutic prospect for the clinical transition of neural regeneration.
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Affiliation(s)
- Yuxin Bai
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Department of Orthopedics, Tongji Hospital affiliated to Tongji University, School of Life Science and Technology, Tongji University, Shanghai 200065, People's Republic of China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200065, People's Republic of China
| | - Zhaojie Wang
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Department of Orthopedics, Tongji Hospital affiliated to Tongji University, School of Life Science and Technology, Tongji University, Shanghai 200065, People's Republic of China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200065, People's Republic of China
| | - Liqun Yu
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Department of Orthopedics, Tongji Hospital affiliated to Tongji University, School of Life Science and Technology, Tongji University, Shanghai 200065, People's Republic of China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200065, People's Republic of China
| | - Kun Dong
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Department of Orthopedics, Tongji Hospital affiliated to Tongji University, School of Life Science and Technology, Tongji University, Shanghai 200065, People's Republic of China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200065, People's Republic of China
| | - Liming Cheng
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Department of Orthopedics, Tongji Hospital affiliated to Tongji University, School of Life Science and Technology, Tongji University, Shanghai 200065, People's Republic of China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200065, People's Republic of China
| | - Rongrong Zhu
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Department of Orthopedics, Tongji Hospital affiliated to Tongji University, School of Life Science and Technology, Tongji University, Shanghai 200065, People's Republic of China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200065, People's Republic of China
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Yu S, Choi G, Choy JH. Multifunctional Layered Double Hydroxides for Drug Delivery and Imaging. Nanomaterials (Basel) 2023; 13:1102. [PMID: 36985996 PMCID: PMC10058705 DOI: 10.3390/nano13061102] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 06/18/2023]
Abstract
Two-dimensional nanomaterials, particularly layered double hydroxides (LDHs), have been widely applied in the biomedical field owing to their biocompatibility, biodegradability, controllable drug release/loading ability, and enhanced cellular permeability. Since the first study analyzing intercalative LDHs in 1999, numerous studies have investigated their biomedical applications, including drug delivery and imaging; recent research has focused on the design and development of multifunctional LDHs. This review summarizes the synthetic strategies and in-vivo and in-vitro therapeutic actions and targeting properties of single-function LDH-based nanohybrids and recently reported (from 2019 to 2023) multifunctional systems developed for drug delivery and/or bio-imaging.
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Affiliation(s)
- Seungjin Yu
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
- Intelligent Nanohybrid Materials Laboratory (INML), Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
| | - Goeun Choi
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
- Intelligent Nanohybrid Materials Laboratory (INML), Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- College of Science and Technology, Dankook University, Cheonan 31116, Republic of Korea
| | - Jin-Ho Choy
- Intelligent Nanohybrid Materials Laboratory (INML), Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- Division of Natural Sciences, The National Academy of Sciences, Seoul 06579, Republic of Korea
- Department of Pre-Medical Course, College of Medicine, Dankook University, Cheonan 31116, Republic of Korea
- International Research Frontier Initiative (IRFI), Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan
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49
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Yue XZ, Tang P, Du X, Yi WJ, Liu ZY, Wang SJ, Yi SS. Al-Incorporated Cobalt- Layered Double Hydroxides for Enhanced Oxygen Evolution through Morphology and Electronic Structure Regulation. ACS Appl Mater Interfaces 2023; 15:11621-11630. [PMID: 36815776 DOI: 10.1021/acsami.2c15975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Layered double hydroxides (LDHs) are promising electrocatalytic materials for the oxygen evolution reaction (OER) due to their tunable composition and low cost. Here, we construct ultrathin Al-incorporated Co LDH nanosheets on carbon cloth (CC) by a facile hydrothermal strategy. Compared to Co LDH/CC, the optimized Co2Al1 LDH/CC displays significantly improved OER performance, characterized by low overpotentials of only 171 and 200 mV to reach current densities of 10 mA cm-2 in alkaline and neutral media, respectively, as well as good stability over an extended period. The introduced Al3+ and CC support play a synergistic role in steering the morphology of Co2Al1 LDH/CC while also increasing the electrochemical active sites. X-ray absorption fine spectra (XAFS) analyses uncover the critical role of Al in regulating the coordination environment of Co atoms, with evidence affording highly active Co oxidation states. Moreover, density functional theory (DFT) calculations confirmed that the Al3+ incorporated into Co LDH/CC can efficaciously modulate the electronic density of states of the d-band center of Co atoms, optimize the Gibbs free energies of intermediates toward OER, and thus accelerate the O2 evolution rate.
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Affiliation(s)
- Xin-Zheng Yue
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Ping Tang
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Xin Du
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Wen-Jing Yi
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Zhong-Yi Liu
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Shu-Juan Wang
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Sha-Sha Yi
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
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50
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Zong Y, Xu SM, Shi W, Lu C. Chiral Hierarchical Architecture Induced by Confinement-Assisted Living Supramolecular Polymerization of Simple Achiral Molecules. ACS Nano 2023; 17:3838-3846. [PMID: 36779509 DOI: 10.1021/acsnano.2c12063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Chiral supramolecular assembly (CSA) based on achiral molecules has provided important clues to understand the origin of biological chirality. However, a simple achiral monomer faces the challenge of chiral stacking with the absence of a chiral resource. The difficulty is that simple achiral monomer lacks steric repulsion to provide asymmetry during hierarchical assembly, which is a prerequisite for chiral stacking with an angle. Moreover, during chiral stacking of achiral molecules or units, the right-handed and left-handed chiral supramolecular isomers (CSIs) are equally formed due to the mirror-imaged conformation, which leads to chirality silence. Here, with the benefit of two-dimensional confinement space of layered double hydroxide (LDH), simple achiral molecules can be arranged to staggered bilayer arrays by imprinting the topological structure of LDH. Once LDH is removed, these staggered arrays can form asymmetric living seeds, which can further elongate to living units with the advantage of living supramolecular polymerization (LSP) by following off-pathway. Due to the asymmetry of living units, the possible chiral stacking outcomes, CSIs, are not mirror-imaged. With the increase of the molecular number in living units, the energy difference between CSIs can be amplified by self-replication of LSP, leading to handedness preference. Thus, the detectable CSA is mainly derived from the CSI with energetically favored hierarchical structure. Thus, our strategy breaks the stereotype that the complex molecular structure and symmetry breaking mechanism are necessary for the formation of detectable CSA by achiral molecules.
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Affiliation(s)
- Yingtong Zong
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, P. Box 98, 100029 Beijing, P. R. China
- Jiangxi Key Laboratory of Organo-Pharmaceutical Chemistry, College of Chemistry and Chemical Engineering, Gannan Normal University, 341000 Ganzhou, Jiangxi, P. R. China
| | - Si-Min Xu
- Jiangxi Key Laboratory of Organo-Pharmaceutical Chemistry, College of Chemistry and Chemical Engineering, Gannan Normal University, 341000 Ganzhou, Jiangxi, P. R. China
| | - Wenying Shi
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, P. Box 98, 100029 Beijing, P. R. China
| | - Chao Lu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, P. Box 98, 100029 Beijing, P. R. China
- Green Catalysis Center, College of Chemistry, Zhengzhou University, 450001 Zhengzhou, P. R. China
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