1
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Hulushe ST, Watkins GM, Khanye SD. A cobalt(II) coordination polymer-derived catalyst engineered via temperature-induced semi-reversible single-crystal-to-single-crystal (SCSC) dehydration for efficient liquid-phase epoxidation of olefins. Dalton Trans 2024. [PMID: 38899354 DOI: 10.1039/d4dt00739e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Single-crystal-to-single-crystal (SCSC) transformations provide more avenues for phase transitions, which have piqued great interest in crystal engineering. In this work, a 3D Co(II)-based coordination polymer (CP), {Co2(OH2)8(btec)}·4H2O (1), (where (btec)4- = 1,2,4,5-benzenetetracarboxylate) undergoes SCSC transition upon heating at 180 °C to afford an anhydrous phase [Co2(btec)] (1'). Room-temperature water-vapour induced semi-reversible SCSC transformation of 1' involves condensation of two water molecules coordinating to the metal cluster, yielding a new framework [Co2(OH2)2(btec)] (2). These SCSC transitions were accomplished through a sequential bond breaking and new bond formation process which was accompanied by colour changes from orange (1) → violet (1') → pink (2). All materials were structurally elucidated by single-crystal X-ray diffraction (SCXRD) and further established by various analytical techniques. According to SCXRD data, all the frameworks possess octahedral geometries around the cobalt(II) sphere. SCXRD studies further revealed that 1 is a polymeric architecture with a binodal 4-c sql topology while 1' and 2 possess (3,6)-c kgd and (4,6)-c scu 3D nets, respectively. By virtue of multitopicity exhibited by the tetracarboxylate, the coordination number of the linker around the Co(II) sphere increased from four (in 1) to eight (in 1') and then decreased to six (in 2). Most interestingly, permanent porosity could be observed for the dihydrate 2, originated from potential void space as substantiated by dinitrogen (N2) sorption isotherm. These porous frameworks were active catalysts for the aerobic epoxidation of the model substrate cyclohexene using molecular oxygen (O2) as the final oxidant in the presence of the sacrificial i-butyraldehyde (IBA) reductant. For using the dihydrous phase 2, cyclohexene and various other olefins were catalytically oxidised to their corresponding epoxides with up to 38.5% conversion and 99.0% selectivity. The catalyst 2 can be expediently recycled in four runs without significant loss of activity. This research demonstrates that a little innovation in the active-site-engineered organic-inorganic hybrid materials can significantly enhance the catalytic performance and selectivity of coordination polymer-derived heterogeneous catalysts.
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Affiliation(s)
- Siya T Hulushe
- Department of Chemistry, Rhodes University, Makhanda 6139, South Africa.
| | - Gareth M Watkins
- Department of Chemistry, Rhodes University, Makhanda 6139, South Africa.
| | - Setshaba D Khanye
- Division of Pharmaceutical Chemistry, Faculty of Pharmacy, Rhodes University, Makhanda 6139, South Africa
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2
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Zhao X, Xu Q, Han J, Zhang W, Rao H, Du DY, She P, Qin JS. Ionic Liquid Modified Fe-Porphyrinic Metal-Organic Frameworks as Efficient and Selective Photocatalysts for CO 2 Reduction. ACS APPLIED MATERIALS & INTERFACES 2024; 16:26272-26279. [PMID: 38728610 DOI: 10.1021/acsami.4c04219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2024]
Abstract
Porphyrin-based metal-organic frameworks (MOFs) are ideal platforms for heterogeneous photocatalysts toward CO2 reduction. To further explore photocatalytic MOF systems, it is also necessary to consider their ability to fine-tune the microenvironments of the active sites, which affects their overall catalytic operation. Herein, a kind of ionic liquid (IL, here is 3-butyric acid-1-methyl imidazolium bromide, BAMeImBr) was anchored to iron-porphyrinic Zr-MOFs with different amounts to obtain ILx@MOF-526 (MOF-526 = Zr6O4(OH)4(FeTCBPP)3, FeTCBPP = iron 5,10,15,20-tetra[4-(4'-carboxyphenyl)phenyl]-porphyrin, x = 100, 200, and 400). ILx@MOF-526 series was designed to investigate the effects of the microenvironmental and electronic structural modification on the efficiency and selectivity of the photochemical reduction of CO2 after introducing IL fragments. Compared to parent MOF-526, the production and selectivity of CO were greatly improved in the absence of any photosensitizer under visible light by the ILx@MOF-526 series. Among them, the CO yield of IL200@MOF-526 was up to 14.0 mmol g-1 within 72 h with a remarkable CO selectivity of 97%, which is superior to that of MOF-526 without BAMeIm+ modification and other amounts of BAMeIm+ loaded. Furthermore, density functional theory calculations were performed to study the mechanism of the CO2 reduction.
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Affiliation(s)
- Xue Zhao
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry and International Center of Future Science, Jilin University, Changchun 130012, P.R. China
| | - Qiang Xu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry and International Center of Future Science, Jilin University, Changchun 130012, P.R. China
| | - Jingwei Han
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry and International Center of Future Science, Jilin University, Changchun 130012, P.R. China
| | - Wenwen Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry and International Center of Future Science, Jilin University, Changchun 130012, P.R. China
| | - Heng Rao
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry and International Center of Future Science, Jilin University, Changchun 130012, P.R. China
| | - Dong-Ying Du
- Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Ping She
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry and International Center of Future Science, Jilin University, Changchun 130012, P.R. China
| | - Jun-Sheng Qin
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry and International Center of Future Science, Jilin University, Changchun 130012, P.R. China
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3
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Whitaker T, Tuttle R, Thai JE, Schwarz MCR, Reynolds MM. Copper(II) Ions Originating from CuBTC MOF Act as a Soluble Catalyst in the Friedländer Synthesis. ACS APPLIED MATERIALS & INTERFACES 2024; 16:22641-22647. [PMID: 38644804 DOI: 10.1021/acsami.4c00988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/23/2024]
Abstract
The copper-based metal-organic framework (MOF), CuBTC (where H3BTC = benzene-1,3,5-tricarboxylate), has been reported as a reusable heterogeneous catalyst for the Friedländer synthesis of substituted quinolines, which are desirable targets in the pharmaceutical industry. Because of this application, we further investigated the CuBTC-catalyzed Friedländer synthesis of 3-acetyl-2-methyl-4-phenylquinoline. CuBTC was synthesized in-house and used as a catalyst for the Friedländer synthesis. Fresh and used CuBTC were analyzed using scanning electron microscopy (SEM), powder X-ray diffraction (pXRD), and X-ray photoelectron spectroscopy (XPS). The used CuBTC shows structural breakdown in pXRD patterns and SEM images. Despite the structural breakdown, the desired product, 3-acetyl-2-methyl-4-phenylquinoline, is still produced in a moderate yield (76.3% ± 0.2), as confirmed via time-of-flight mass spectrometry and nuclear magnetic resonance spectroscopy. Inductively coupled plasma atomic emission spectroscopy of the recovered supernatant solution indicates the presence of copper(II) ions in solution. Thus, we hypothesized that the standard Friedländer conditions may degrade the CuBTC framework, resulting in copper(II) ions in solution. Control experiments with copper(II) from Cu(NO3)2·3H2O catalyzes the Friedländer reaction in yields (75.6% ± 0.1) equal to that of the CuBTC MOF. Overall, our findings suggest that CuBTC acts as a copper(II) source, and the copper(II) ions originating from the CuBTC MOF are responsible for the observed catalysis.
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Affiliation(s)
- Tessa Whitaker
- Department of Chemistry, Colorado State University, 1801 Campus Delivery, Fort Collins, Colorado 80523, United States
| | - Robert Tuttle
- Department of Chemistry, Colorado State University, 1801 Campus Delivery, Fort Collins, Colorado 80523, United States
| | - Jonathan E Thai
- Department of Chemistry, Colorado State University, 1801 Campus Delivery, Fort Collins, Colorado 80523, United States
| | - Madeline C R Schwarz
- Department of Chemistry, Colorado State University, 1801 Campus Delivery, Fort Collins, Colorado 80523, United States
| | - Melissa M Reynolds
- Department of Chemistry, Colorado State University, 1801 Campus Delivery, Fort Collins, Colorado 80523, United States
- School of Biomedical Engineering, Colorado State University, 1376 Campus Delivery, Fort Collins, Colorado 80523, United States
- Department of Chemical and Biological Engineering, Colorado State University, 1370 Campus Delivery, Fort Collins, Colorado 80523, United States
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Zhang T, Ma Y, Zhang Y. A simple electrochemical strategy for the detection of the cancer marker CA19-9 by signal amplification using copper organic framework nanocomposite. Analyst 2023; 148:5905-5914. [PMID: 37855742 DOI: 10.1039/d3an01511d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
In this work, label-free electrochemical immunosensing of the cancer biomarker carbohydrate antigen 19-9 (CA19-9) is reported using [Fe(CN)6]3-/4- as a signal probe and a copper organic framework (Cu-BTC) nanocomposite for the amplification of the signal. The immunosensor was fabricated by the following process. First, the Cu-BTC nanomaterial with a larger surface area and good biocompatibility was synthesized to improve the dispersion of gold nanoparticles (Au NPs). Then, nitrogen-doped graphene (N-GR) was combined with Cu-BTC to form the nanocomposite. The synthesized Cu-BTC@N-GR@AuNPs@CS nanocomposite was employed to modify the surface of the immunosensor to accelerate the electron transfer rate and improve the immobilization amount of CA19-9 antibodies (Ab). Various techniques, including TEM, SEM and XPS were used to characterize Cu-BTC and nanocomposites. Differential pulse voltammetry (DPV) was used to measure the electrochemical response of the immunosensor in [Fe(CN)6]3-/4-. The signal intensity of the immunosensor was linearly changed upon increasing the concentration of CA19-9 antigen from 10 μU mL-1 to 100 U mL-1, and a detection limit of 4.2 μU mL-1 was achieved. Furthermore, the immunosensor showed good stability, reproducibility and specificity, indicating its potential application in clinical analysis.
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Affiliation(s)
- Tingting Zhang
- College of Chemistry and Materials Science, Anhui Key Laboratory of Chem-Biosensing, Anhui Normal University, Wuhu 241002, People's Republic of China.
| | - Yan Ma
- College of Chemistry and Materials Science, Anhui Key Laboratory of Chem-Biosensing, Anhui Normal University, Wuhu 241002, People's Republic of China.
| | - Yuzhong Zhang
- College of Chemistry and Materials Science, Anhui Key Laboratory of Chem-Biosensing, Anhui Normal University, Wuhu 241002, People's Republic of China.
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Davis ZH, Borthwick EAL, Morris RE, Ashbrook SE. Computational NMR investigation of mixed-metal (Al,Sc)-MIL-53 and its phase transitions. Phys Chem Chem Phys 2023; 25:26486-26496. [PMID: 37767813 PMCID: PMC10566452 DOI: 10.1039/d3cp04147f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 09/21/2023] [Indexed: 09/29/2023]
Abstract
Compositionally complex metal-organic frameworks (MOFs) have properties that depend on local structure that is often difficult to characterise. In this paper a density functional theory (DFT) computational study of mixed-metal (Al,Sc)-MIL-53, a flexible MOF with several different forms, was used to calculate the relative energetics of these forms and to predict NMR parameters that can be used to evaluate whether solid-state NMR spectroscopy can be used to differentiate, identify and characterise the forms adopted by mixed-metal MOFs of different composition. The NMR parameters can also be correlated with structural features in the different forms, giving fundamental insight into the nature and origin of the interactions that affect nuclear spins. Given the complexity of advanced NMR experiments required, and the potential need for expensive and difficult isotopic enrichment, the computational work is invaluable in predicting which experiments and approaches are likely to give the most information on the disorder, local structure and pore forms of these mixed-metal MOFs.
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Affiliation(s)
- Zachary H Davis
- School of Chemistry, EaStCHEM and Centre of Magnetic Resonance, University of St Andrews, St Andrews, KY16 9ST, UK.
| | - Emma A L Borthwick
- School of Chemistry, EaStCHEM and Centre of Magnetic Resonance, University of St Andrews, St Andrews, KY16 9ST, UK.
| | - Russell E Morris
- School of Chemistry, EaStCHEM and Centre of Magnetic Resonance, University of St Andrews, St Andrews, KY16 9ST, UK.
| | - Sharon E Ashbrook
- School of Chemistry, EaStCHEM and Centre of Magnetic Resonance, University of St Andrews, St Andrews, KY16 9ST, UK.
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6
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Zu S, Zhang H, Zhang T, Zhang M, Song L. Ni-Rh-based bimetallic conductive MOF as a high-performance electrocatalyst for the oxygen evolution reaction. Front Chem 2023; 11:1242672. [PMID: 37841204 PMCID: PMC10570521 DOI: 10.3389/fchem.2023.1242672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 08/22/2023] [Indexed: 10/17/2023] Open
Abstract
Metal-organic frameworks (MOFs) have recently been considered the promising catalysts due to their merits of abundant metal sites, versatile coordination groups, and tunable porous structure. However, low electronic conductivity of most MOFs obstructs their direct application in electrocatalysis. In this work, we fabricate an Ni-Rh bimetallic conductive MOF ([Ni2.85Rh0.15(HHTP)2]n/CC) grown in situ on carbon cloth. Abundant nanopores in the conductive MOFs expose additional catalytic active sites, and the advantageous 2D π-conjugated structure helps accelerate charge transfer. Owing to the introduction of Rh, [Ni2.85Rh0.15(HHTP)2]n/CC exhibited substantially improved oxygen evolution reaction (OER) activity and exhibited only an overpotential of 320 mV to achieve the current density of 20 mA cm-2. The remarkable OER performance confirmed by the electrochemical tests could be ascribed to the synergistic effect caused by the doped Rh together with Ni in [Ni2.85Rh0.15(HHTP)2]n/CC, thereby exhibiting outstanding electrocatalytic performance.
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Affiliation(s)
| | | | | | | | - Li Song
- Jiangsu Collaborative Innovation Center of Atmospheric Environment, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, Jiangsu, China
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Obeso JL, López-Olvera A, Flores CV, Peralta RA, Ibarra IA, Leyva C. Gas-phase organometallic catalysis in MFM-300(Sc) provided by switchable dynamic metal sites. Chem Commun (Camb) 2023; 59:3273-3276. [PMID: 36825543 DOI: 10.1039/d2cc06935k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
MFM-300(Sc) was explored as a catalyst for the gas-phase hydrogenation of acetone. The catalysis results support the presence of non-permanent open Sc(III) sites within the structure due to the requirement of Lewis acid sites for the reaction to proceed. The open Sc(III) sites are generated in situ due to the presence of hemilabile Sc-O bonds. MFM-300(Sc) showed high mechanical and chemical stability, and the crystalline structure was maintained after the catalytic reaction. The catalytic activity of the material was quantified by performing a gas-phase reaction using a continuous flow reactor. The acetone conversion in MFM-300(Sc) was estimated to be 27.7% with no loss of activity after catalytic cycles.
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Affiliation(s)
- Juan L Obeso
- Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, LNAgua, Legaria 694, Col. Irrigación, Miguel Hidalgo, 11500, CDMX, Mexico. .,Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, CU, Coyoacán, 04510, Ciudad de México, Mexico.
| | - Alfredo López-Olvera
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, CU, Coyoacán, 04510, Ciudad de México, Mexico.
| | - Catalina V Flores
- Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, LNAgua, Legaria 694, Col. Irrigación, Miguel Hidalgo, 11500, CDMX, Mexico.
| | - Ricardo A Peralta
- Departamento de Química, División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana Unidad Iztapalapa (UAM-I), 09340, Mexico.
| | - Ilich A Ibarra
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, CU, Coyoacán, 04510, Ciudad de México, Mexico.
| | - Carolina Leyva
- Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, LNAgua, Legaria 694, Col. Irrigación, Miguel Hidalgo, 11500, CDMX, Mexico.
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A H, C PP, Mary Y, G ST, Raghunandan R. Spectral, Thermal, Structural, and DFT studies of New Luminescent Heterobimetallic MOF of Lead and Sodium based on Diglycolic acid ligand having unusual coordination environment for Photodegradation and Antibacterial applications. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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9
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Das M, Jaswal V, Bhambri H, Das P, Maity S, Ghosh P, Mandal SK, Sarkar M. Two pillared-layer metal-organic frameworks based on the pinwheel trinuclear carboxylate-clusters of Zn(II) and Co(II): synthesis, crystal structures, magnetic study, and Lewis acid catalysis. Dalton Trans 2023; 52:1449-1460. [PMID: 36644963 DOI: 10.1039/d2dt04106e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Using a dicarboxylic acid, [1,1'-biphenyl]-4,4'-dicarboxylic acid (H2L1) and an exobidentate ligand, (1E,1'E)-N,N'-(1,4-phenylene)bis(1-(pyridin-4-yl)methanimine) (L2), two 3D interpenetrated networks, {[Zn3(L1)3(L2)]·9H2O}n (Zn-MOF) and {[Co3(L1)3(L2)(DMF)]·0.5DMF}n (Co-MOF), have been prepared in good yields. The crystal structure analysis of Zn-MOF and Co-MOF revealed that both have a 3D pillared-layer structure based on pinwheel trinuclear metal-carboxylate clusters as secondary building units (SBUs). Furthermore, the structures also exhibited three-fold interpenetration. Although the overall networks in Zn-MOF and Co-MOF showed significant resemblances, there are marked differences in their crystal structures, which are associated with the coordination environment of the metal centre and the binding modes of the carboxylates. Gas adsorption studies (N2 at 77 K and 1 bar) indicated that Co-MOF is more porous than Zn-MOF. Magnetic measurements on Co-MOF indicate a significant antiferromagnetic interaction (45 K to 303 K) between trimeric Co(II) S = 3/2 spins through syn-syn carboxylato bridges. Both MOFs were studied for the Lewis acid catalyzed Knoevenagel condensation reactions between benzaldehydes and malononitrile with an active methylene group, where Zn-MOF was found to be a better catalyst than Co-MOF. This was supported by the Monte Carlo simulations indicating the better substrate binding ability of Zn-MOF than Co-MOF.
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Affiliation(s)
- Moyna Das
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani Campus, Rajasthan 333031, India.
| | - Vishakha Jaswal
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani Campus, Rajasthan 333031, India.
| | - Himanshi Bhambri
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, S.A.S. Nagar, Punjab 140 306, India.
| | - Prasenjit Das
- Technische Universität Berlin, Department of Chemistry/Functional Materials, Hardenbergstr. 40, 10623 Berlin, Germany.
| | - Suvendu Maity
- Department of Chemistry, Ramakrishna Mission Residential College, Narendrapur, Kolkata-700103, India.
| | - Prasanta Ghosh
- Department of Chemistry, Ramakrishna Mission Residential College, Narendrapur, Kolkata-700103, India.
| | - Sanjay K Mandal
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, S.A.S. Nagar, Punjab 140 306, India.
| | - Madhushree Sarkar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani Campus, Rajasthan 333031, India.
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Applications of Metal Organic Frameworks (MOFs) in Wound Healing and Tuberculosis (TB) treatment. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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12
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Yadav A, Kumari S, Yadav P, Hazra A, Chakraborty A, Kanoo P. Open metal site (OMS)-inspired investigation of adsorption and catalytic functions in a porous metal-organic framework (MOF). Dalton Trans 2022; 51:15496-15506. [PMID: 36164811 DOI: 10.1039/d2dt02098j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
In this article, we report the adsorption and catalytic study of the three-dimensional (3D) metal-organic framework (MOF) {Mn2(1,4-bdc)2(DMF)2} (1) (1,4-bdcH2, 1,4-benzene dicarboxylic acid; DMF, N,N-dimethylformamide) together with the synthesis and structure of two new Mn(II)-MOFs {Mn3(Br-bdc)3(DMF)4} (2) and {Mn3(NO2-bdc)3(DMF)4} (3) (Br-bdcH2, 2-bromo-1,4-benzene dicarboxylic acid; NO2-bdcH2, 2-nitro-1,4-benzene dicarboxylic acid) under solvothermal conditions. Compounds 2 and 3 have two-dimensional (2D) extended structures and feature trimeric {Mn3(CO2)6} units that serve as secondary building units for the frameworks. The desolvated compound of 1, denoted as 1', having potential Mn(II) open metal sites (OMSs) lined in a one-dimensional (1D) Mn-chain interconnected by carboxylate groups, exhibits guest-selective adsorption of solvent vapours wherein the compound shows a stepwise profile with H2O vapour, while a gated isotherm was recorded with MeOH. After realizing the favourable interaction of 1' with polar solvent molecules, we have used Mn(II) OMSs in 1' for efficient cyanosilylation reactions of aromatic aldehydes. We have recorded 100% conversion for eight aromatic aldehydes, while several other aldehydes showed appreciable conversion. Notably, the recorded conversions in the case of many substrates are higher than those for many other reported MOF catalysts.
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Affiliation(s)
- Anand Yadav
- Department of Chemistry, School of Basic Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India.
| | - Sarita Kumari
- Department of Chemistry, School of Basic Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India.
| | - Preety Yadav
- Department of Chemistry, School of Basic Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India.
| | - Arpan Hazra
- Chair of Inorganic Chemistry I, Technische Universität Dresden, 01069 Dresden, Germany
| | - Anindita Chakraborty
- Department of Chemistry, School of Basic Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India.
| | - Prakash Kanoo
- Department of Chemistry, School of Basic Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India.
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Li D, Aubertin K, Onidas D, Nizard P, Félidj N, Gazeau F, Mangeney C, Luo Y. Recent advances in non-plasmonic surface-enhanced Raman spectroscopy nanostructures for biomedical applications. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1795. [PMID: 35362261 DOI: 10.1002/wnan.1795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 06/14/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) is an emerging powerful vibrational technique offering unprecedented opportunities in biomedical science for the sensitive detection of biomarkers and the imaging and tracking of biological samples. Conventional SERS detection is based on the use of plasmonic substrates (e.g., Au and Ag nanostructures), which exhibit very high enhancement factors (EF = 1010 -1011 ) but suffers from serious limitations, including light-induced local heating effect due to ohmic loss and expensive price. These drawbacks may limit detection accuracy and large-scaled practical applications. In this review, we focus on alternative approaches based on plasmon-free SERS detection on low-cost nanostructures, such as carbons, oxides, chalcogenides, polymers, silicons, and so forth. The mechanism of non-plasmonic SERS detection has been attributed to interfacial charge transfer between the substrate and the adsorbed molecules, with no photothermal side-effects but usually less EF compared with plasmonic nanostructures. The strategies to improve Raman signal detection, through the tailoring of substrate composition, structure, and surface chemistry, is reviewed and discussed. The biomedical applications, for example, SERS cell characterization, biosensing, and bioimaging are also presented, highlighting the importance of substrate surface functionalization to achieve sensitive, accurate analysis, and excellent biocompatibility. This article is categorized under: Diagnostic Tools > Diagnostic Nanodevices Diagnostic Tools > Biosensing Diagnostic Tools > In Vivo Nanodiagnostics and Imaging.
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Affiliation(s)
- Da Li
- LCBPT, CNRS UMR 8601, Université Paris Cité, 45, rue des Saints-Pères, Paris, France
| | - Kelly Aubertin
- MSC, CNRS UMR 7057, Université Paris Cité, 45, rue des Saints-Pères, Paris, France
| | - Delphine Onidas
- LCBPT, CNRS UMR 8601, Université Paris Cité, 45, rue des Saints-Pères, Paris, France
| | - Philippe Nizard
- LCBPT, CNRS UMR 8601, Université Paris Cité, 45, rue des Saints-Pères, Paris, France
| | - Nordin Félidj
- ITODYS, CNRS UMR 7086, Université Paris Cité, 15, rue Jean Antoine de Baïf, Paris, France
| | - Florence Gazeau
- MSC, CNRS UMR 7057, Université Paris Cité, 45, rue des Saints-Pères, Paris, France
| | - Claire Mangeney
- LCBPT, CNRS UMR 8601, Université Paris Cité, 45, rue des Saints-Pères, Paris, France
| | - Yun Luo
- LCBPT, CNRS UMR 8601, Université Paris Cité, 45, rue des Saints-Pères, Paris, France
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Fonseca J, Gong T. Fabrication of metal-organic framework architectures with macroscopic size: A review. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214520] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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15
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Immobilization and Study of Homogeneous Catalysts in a Continuous Flow Reactor Using Inorganic Particles Coated with Polymer. Catal Letters 2022. [DOI: 10.1007/s10562-022-04056-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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16
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Boronat M, Climent MJ, Concepción P, Díaz U, García H, Iborra S, Leyva-Pérez A, Liu L, Martínez A, Martínez C, Moliner M, Pérez-Pariente J, Rey F, Sastre E, Serna P, Valencia S. A Career in Catalysis: Avelino Corma. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01043] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mercedes Boronat
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Maria J. Climent
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Patricia Concepción
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Urbano Díaz
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Hermenegildo García
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Sara Iborra
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Antonio Leyva-Pérez
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Lichen Liu
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Agustin Martínez
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Cristina Martínez
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Manuel Moliner
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Joaquín Pérez-Pariente
- Instituto de Catálisis y Petroleoquímica, Consejo Superior de Investigaciones Científicas, Marie Curie 2, Madrid 28049, Spain
| | - Fernando Rey
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Enrique Sastre
- Instituto de Catálisis y Petroleoquímica, Consejo Superior de Investigaciones Científicas, Marie Curie 2, Madrid 28049, Spain
| | - Pedro Serna
- ExxonMobil Technology and Engineering Company, Catalysis Fundamentals, Annandale, New Jersey 08801, United States
| | - Susana Valencia
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (UPV-CSIC), Av. de los Naranjos s/n, Valencia 46022, Spain
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17
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Khosravi F, Gholinejad M, Sansano JM, Luque R. Bimetallic Fe‐Cu Metal Organic Frameworks for room temperature catalysis. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Faezeh Khosravi
- Department of Chemistry Institute for Advanced Studies in Basic Sciences (IASBS) Zanjan Iran
| | - Mohammad Gholinejad
- Department of Chemistry Institute for Advanced Studies in Basic Sciences (IASBS) Zanjan Iran
- Research Center for Basic Sciences & Modern Technologies (RBST) Institute for Advanced Studies in Basic Sciences (IASBS) Zanjan Iran
| | - Jose M. Sansano
- Departamento de Química Orgánica and Centro de Innovación en Química Avanzada (ORFEO‐CINQA) Universidad de Alicante Alicante Spain
| | - Rafael Luque
- Departamento de Química Orgánica Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie (C‐3) Córdoba Spain
- People’s Friendship University of Russia (RUDN University) Moscow Russian Federation
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18
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Berdichevsky EK, Downing VA, Hooper RW, Butt NW, McGrath DT, Donnelly LJ, Michaelis VK, Katz MJ. Ultrahigh Size Exclusion Selectivity for Carbon Dioxide from Nitrogen/Methane in an Ultramicroporous Metal-Organic Framework. Inorg Chem 2022; 61:7970-7979. [PMID: 35523004 DOI: 10.1021/acs.inorgchem.2c00608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Separations based on molecular size (molecular sieving) are a solution for environmental remediation. We have synthesized and characterized two new metal-organic frameworks (MOFs) (Zn2M; M = Zn, Cd) with ultramicropores (<0.7 nm) suitable for molecular sieving. We explore the synthesis of these MOFs and the role that the DMSO/H2O/DMF solvent mixture has on the crystallization process. We further explore the crystallographic data for the DMSO and methanol solvated structures at 273 and 100 K; this not only results in high-quality structural data but also allows us to better understand the structural features at temperatures around the gas adsorption experiments. Structurally, the main difference between the two MOFs is that the central metal in the trimetallic node can be changed from Zn to Cd and that results in a sub-Å change in the size of the pore aperture, but a stark change in the gas adsorption properties. The separation selectivity of the MOF when M = Zn is infinite given the pore aperture of the MOF can accommodate CO2 while N2 and/or CH4 is excluded from entering the pore. Furthermore, due to the size exclusion behavior, the MOF has an adsorption selectivity of 4800:1 CO2/N2 and 5 × 1028:1 CO2/CH4. When M = Cd, the pore aperture of the MOF increases slightly, allowing N2 and CH4 to enter the pore, resulting in a 27.5:1 and a 10.5:1 adsorption selectivity, respectively; this is akin to UiO-66, a MOF that is not able to function as a molecular sieve for these gases. The data delineate how subtle sub-Å changes to the pore aperture of a framework can drastically affect both the adsorption selectivity and separation selectivity.
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Affiliation(s)
- Ellan K Berdichevsky
- Department of Chemistry, Memorial University of Newfoundland, 230 Elizabeth Avenue, St. John's, Newfoundland and Labrador A1C 5S7, Canada
| | - Victoria A Downing
- Department of Chemistry, Memorial University of Newfoundland, 230 Elizabeth Avenue, St. John's, Newfoundland and Labrador A1C 5S7, Canada
| | - Riley W Hooper
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta T6G 2G2, Canada
| | - Nathan W Butt
- Department of Chemistry, Memorial University of Newfoundland, 230 Elizabeth Avenue, St. John's, Newfoundland and Labrador A1C 5S7, Canada
| | - Devon T McGrath
- Department of Chemistry, Memorial University of Newfoundland, 230 Elizabeth Avenue, St. John's, Newfoundland and Labrador A1C 5S7, Canada
| | - Laurie J Donnelly
- Department of Chemistry, Memorial University of Newfoundland, 230 Elizabeth Avenue, St. John's, Newfoundland and Labrador A1C 5S7, Canada
| | - Vladimir K Michaelis
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta T6G 2G2, Canada
| | - Michael J Katz
- Department of Chemistry, Memorial University of Newfoundland, 230 Elizabeth Avenue, St. John's, Newfoundland and Labrador A1C 5S7, Canada
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19
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Kaleeswari K, Tamil Selvi A. Selective hydrogenation of substituted styrene to alkylbenzene catalyzed by Al2O3 nanoparticles. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-021-04642-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Du J, Chai J, Li Q, Zhang W, Tang B. Application of two-dimensional layered Mo-MOF@ppy with high valency molybdenum in lithium-ion batteries. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127810] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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21
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Dey G, Saifi S, Sk M, Sinha ASK, Banerjee D, Aijaz A. Immobilizing a homogeneous manganese catalyst into MOF pores for α-alkylation of methylene ketones with alcohols. Dalton Trans 2022; 51:17973-17977. [DOI: 10.1039/d2dt02629e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An encapsulation strategy via nano-confinement of a homogeneous manganese–phenanthroline complex into MOF pores selectively produced functionalized branched ketones.
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Affiliation(s)
- Gargi Dey
- Department of Sciences & Humanities, Rajiv Gandhi Institute of Petroleum Technology (RGIPT) – Jais, Amethi, Uttar Pradesh – 229304, India
| | - Shadab Saifi
- Department of Sciences & Humanities, Rajiv Gandhi Institute of Petroleum Technology (RGIPT) – Jais, Amethi, Uttar Pradesh – 229304, India
| | - Motahar Sk
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247663, Uttarakhand, India
| | - A. S. K. Sinha
- Department of Chemical Engineering & Biochemical Engineering, Rajiv Gandhi Institute of Petroleum Technology (RGIPT), Jais, Amethi, Uttar Pradesh – 229304, India
| | - Debasis Banerjee
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247663, Uttarakhand, India
| | - Arshad Aijaz
- Department of Sciences & Humanities, Rajiv Gandhi Institute of Petroleum Technology (RGIPT) – Jais, Amethi, Uttar Pradesh – 229304, India
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22
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Saini H, Srinivasan N, Šedajová V, Majumder M, Dubal DP, Otyepka M, Zbořil R, Kurra N, Fischer RA, Jayaramulu K. Emerging MXene@Metal-Organic Framework Hybrids: Design Strategies toward Versatile Applications. ACS NANO 2021; 15:18742-18776. [PMID: 34793674 DOI: 10.1021/acsnano.1c06402] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Rapid progress on developing smart materials and design of hybrids is motivated by pressing challenges associated with energy crisis and environmental remediation. While emergence of versatile classes of nanomaterials has been fascinating, the real excitement lies in the design of hybrid materials with tunable properties. Metal-organic frameworks (MOFs) are the key materials for gas sorption and electrochemical applications, but their sustainability is challenged by limited chemical stability, poor electrical conductivity, and intricate, inaccessible pores. Despite tremendous efforts towards improving the stability of MOF materials, little progress has made researchers inclined toward developing hybrid materials. MXenes, a family of two-dimensional transition-metal carbides, nitrides and carbonitrides, are known for their compositional versatility and formation of a range of structures with rich surface chemistry. Hybridization of MOFs with functional layered MXene materials may be beneficial if the host structure provides appropriate interactions for stabilizing and improving the desired properties. Recent efforts have focused on integrating Ti3C2Tx and V2CTx MXenes with MOFs to result in hybrid materials with augmented electrochemical and physicochemical properties, widening the scope for emerging applications. This review discusses the potential design strategies of MXene@MOF hybrids, attributes of tunable properties in the resulting hybrids, and their applications in water treatment, sensing, electrochemical energy storage, smart textiles, and electrocatalysis. Comprehensive discussions on the recent efforts on rapidly evolving MXene@MOF materials for various applications and potential future directions are highlighted.
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Affiliation(s)
- Haneesh Saini
- Department of Chemistry, Indian Institute of Technology, Jammu, Jammu and Kashmir 181221, India
| | - Nikitha Srinivasan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram 695551, India
| | - Veronika Šedajová
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
| | - Mandira Majumder
- Department of Chemistry, Indian Institute of Technology, Jammu, Jammu and Kashmir 181221, India
| | - Deepak P Dubal
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, Queensland 4001, Australia
| | - Michal Otyepka
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
- IT4Innovations, VSB - Technical University of Ostrava, 17. listopadu 2172/15, 70800 Ostrava-Poruba, Czech Republic
| | - Radek Zbořil
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
- Nanotechnology Centre, CEET, VSB - Technical University of Ostrava, 17. listopadu 2172/15, 70800 Ostrava-Poruba, Czech Republic
| | - Narendra Kurra
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram 695551, India
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, 502284 Sangareddy, Telangana, India
| | - Roland A Fischer
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry and Catalysis Research Centre, Technical University of Munich, 85748 Garching, Germany
| | - Kolleboyina Jayaramulu
- Department of Chemistry, Indian Institute of Technology, Jammu, Jammu and Kashmir 181221, India
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23
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Chattopadhyay K, Mandal M, Maiti DK. Smart Metal-Organic Frameworks for Biotechnological Applications: A Mini-Review. ACS APPLIED BIO MATERIALS 2021; 4:8159-8171. [PMID: 35005918 DOI: 10.1021/acsabm.1c00982] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In this pandemic situation it is evident that viruses and bacteria, more specifically, multiple drug resistant (MDR) bacteria, endanger human civilization severely. It is high time to design smart weapons to combat these pathogens for the prevention and cure of allied ailments. Metal-organic frameworks (MOFs) are porous materials designed from metal ions or inorganic clusters and multidentate organic ligands. Due to some unique features like high porosity, tunable pore shape and size, numerous possible metal-ligand combinations, etc., MOFs are ideal candidates to design "smart biotechnological tools". MOFs construct promising fluorescence based biosensing platforms for detection of viruses. MOFs also exhibit excellent antibacterial activity due to their ability for sustained release of active biocidal agents. There are several reviews that summarize the antibacterial applications of MOFs, but the biosensing platforms based on MOFs for detection of viruses have scarcely been summarized. This review carefully covers both the aspects including virus detection (nucleic acid recognition and immunological detection) with underlying mechanisms as well as antibacterial application of MOFs and doped MOFs or composites. This review will deliver valuable information and references for designing new, smarter antimicrobial agents based on MOFs.
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Affiliation(s)
- Krishna Chattopadhyay
- Department of Chemistry, University of Calcutta, Kolkata 700009, India.,Post Graduate Department of Chemistry, Lady Brabourne College, Kolkata 700017, India
| | - Manas Mandal
- Department of Chemistry, Sree Chaitanya College, Habra, WB 743268, India.,Department of Chemistry, Jadavpur University, Kolkata, WB 700032, India
| | - Dilip Kumar Maiti
- Department of Chemistry, University of Calcutta, Kolkata 700009, India
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24
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Cong Z, Zhu M, Zhang Y, Yao W, Kosinova M, Fedin VP, Wu S, Gao E. Three novel metal-organic frameworks with different coordination modes for trace detection of anthrax biomarkers. Dalton Trans 2021; 51:250-256. [PMID: 34881770 DOI: 10.1039/d1dt03760a] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dipicolinic acid (DPA) is an anthrax biomarker. Its serious consequences make its detection a great need. In this paper, three novel metal-organic frameworks (MOFs) with different coordination modes were synthesized by a simple solvothermal method, which can be used as highly efficient fluorescence sensors for the highly selective and sensitive trace detection of DPA. MOFs 1-3 showed rapid responses to DPA (<30 s), and the limits of detection (LODs) were calculated to be 1.01 × 10-6 M-1 (MOF 1), 1.17 × 10-6 M-1 (MOF 2) and 2.07 × 10-6 M-1 (MOF 3). DPA detection based on MOFs 1-3 in fetal bovine serum is highly reliable based on the high recovery rates (90% to 115%). Hence, the three MOF-based sensors can be used in the real-time detection of DPA.
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Affiliation(s)
- Zhenzhong Cong
- The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry, Shenyang University of Chemical Technology, China
| | - Mingchang Zhu
- The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry, Shenyang University of Chemical Technology, China
| | - Ying Zhang
- The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry, Shenyang University of Chemical Technology, China
| | - Wei Yao
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning, 114051, PR China.
| | - Marina Kosinova
- Nikolaev Institute of Inorganic Chemistry, Lavrentiev Avenue 3, Novosibirsk 630090, Russia
| | - Vladimir P Fedin
- Nikolaev Institute of Inorganic Chemistry, Lavrentiev Avenue 3, Novosibirsk 630090, Russia
| | - Shuangyan Wu
- The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry, Shenyang University of Chemical Technology, China
| | - Enjun Gao
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning, 114051, PR China. .,The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry, Shenyang University of Chemical Technology, China
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25
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Ibrahim AA, Ali SL, Adly MS, El-Hakam SA, Samra SE, Ahmed AI. Green construction of eco-friendly phosphotungstic acid Sr-MOF catalysts for crystal violet removal and synthesis of coumarin and xanthene compounds. RSC Adv 2021; 11:37276-37289. [PMID: 35496434 PMCID: PMC9043797 DOI: 10.1039/d1ra07160b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 11/11/2021] [Indexed: 11/21/2022] Open
Abstract
There is an urgent need to improve engineering and synthetic chemistry, either through the use of eco-friendly starting materials or the proper design of novel synthesis routes. This reduces the contamination of toxic chemicals and helps the disposal of organic dyes. In the current work, a metal–organic framework-based Sr(ii) was fabricated to achieve the desired goal for dye removal and catalysis. Sr-MOF-based phosphotungstic acid (PWA/Sr-MOF) was hydrothermally synthesized to study its adsorption and catalytic activities. Remarkably, about 99.9% of crystal violet (CV) dye was removed using PWA/Sr-MOF within 90 min at room temperature. Various factors have been studied to investigate the optimum conditions such as pH of solution, initial dye concentration, contact time, and temperature. The maximum adsorption capacity of CV dye was reached after 90 min and well fitted the pseudo-second kinetic order and Langmuir adsorption isotherm. Coumarin and xanthene reactions were chosen to test the catalytic activity of the prepared PWA/Sr-MOF at 373 K. Furthermore, structural and chemical characterization of the fabricated samples was obtained using FT-IR, XRD, TGA, DTA, TEM, EDX, and XPS. PWA/Sr-MOF can be considered as a promising and green framework in the material design used to study catalytic and adsorption performances. There is an urgent need to improve engineering and synthetic chemistry, either through the use of eco-friendly starting materials or the proper design of novel synthesis routes.![]()
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Affiliation(s)
- Amr A Ibrahim
- Chemistry Department, Faculty of Science, Mansoura University Mansoura Egypt
| | - Shaimaa L Ali
- Chemistry Department, Faculty of Science, Mansoura University Mansoura Egypt
| | - Mina Shawky Adly
- Chemistry Department, Faculty of Science, Mansoura University Mansoura Egypt
| | - S A El-Hakam
- Chemistry Department, Faculty of Science, Mansoura University Mansoura Egypt
| | - S E Samra
- Chemistry Department, Faculty of Science, Mansoura University Mansoura Egypt
| | - Awad I Ahmed
- Chemistry Department, Faculty of Science, Mansoura University Mansoura Egypt
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26
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Construction of a 2D Polymer by Rigid Dicarboxylate and Methylimidazol Derivatives: Structure and Photocatalytic Feature. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02150-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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27
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Crickmore TS, Sana HB, Mitchell H, Clark M, Bradshaw D. Toward sustainable syntheses of Ca-based MOFs. Chem Commun (Camb) 2021; 57:10592-10595. [PMID: 34559869 DOI: 10.1039/d1cc04032d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
We report the use of benign and green precursors, including waste chicken eggshells and PET (polyethylene terephthalate) from recycled plastic bottles, for the facile synthesis of a variety of calcium-based metal-organic frameworks (Ca-MOFs), using water based and mechanochemical synthesis techniques.
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Affiliation(s)
- Tom S Crickmore
- School of Chemistry, University of Southampton, Highfield Campus, Southampton SO17 1BJ, UK.
| | - Haamidah Begum Sana
- School of Chemistry, University of Southampton, Highfield Campus, Southampton SO17 1BJ, UK.
| | - Hannah Mitchell
- School of Chemistry, University of Southampton, Highfield Campus, Southampton SO17 1BJ, UK.
| | - Molly Clark
- School of Chemistry, University of Southampton, Highfield Campus, Southampton SO17 1BJ, UK.
| | - Darren Bradshaw
- School of Chemistry, University of Southampton, Highfield Campus, Southampton SO17 1BJ, UK.
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28
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Liu Y, Cao X, Ge J. Antioxidative Composites Based on Multienzyme Systems Encapsulated in Metal-Organic Frameworks. ACS APPLIED MATERIALS & INTERFACES 2021; 13:46431-46439. [PMID: 34551515 DOI: 10.1021/acsami.1c15506] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Skin is exposed to ultraviolet radiation from the sun constantly, which may induce overproduction of reactive oxygen species (ROS) causing oxidative stress to cells and tissues. Enzymes and small molecules work together to maintain the redox homeostasis, among which superoxide dismutase (SOD) and catalase (CAT) are two kinds of most important antioxidants that suffer from the fragile nature of proteins. Moreover, the proportion of two enzymes used in products must be precisely controlled to reduce the damage caused by the toxic intermediate H2O2. Metal-organic frameworks (MOFs) are emerging as promising candidates for multiple enzyme encapsulation due to their high porosity, easy synthesis, and good biocompatibility. Herein, we developed enzyme-MOF composites, SC@ZIF-8, which exhibited an excellent antioxidative activity in vitro. Chemically protective cages formed by MOFs endow the encapsulated enzymes the long-term stability under unnatural conditions in cosmetic and biomedical materials. The pH-dependent protein release profile of SC@ZIF-8 facilitated the successful delivery of enzymes into the cytoplasm to scavenge toxic ROS. The nanocomposites protected human cells from paraquat-induced oxidative stress, paving a new path for the stable and efficient application of antioxidative enzymes in cosmetic and dermatological fields.
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Affiliation(s)
- Yu Liu
- Key Laboratory of Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Xun Cao
- Key Laboratory of Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Jun Ge
- Key Laboratory of Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Shenzhen 518055, China
- Institute of Biomedical Health Technology and Engineering, Shenzhen Bay Laboratory, Shenzhen 518107, China
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29
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Fytory M, Arafa KK, El Rouby WMA, Farghali AA, Abdel-Hafiez M, El-Sherbiny IM. Dual-ligated metal organic framework as novel multifunctional nanovehicle for targeted drug delivery for hepatic cancer treatment. Sci Rep 2021; 11:19808. [PMID: 34615960 PMCID: PMC8494812 DOI: 10.1038/s41598-021-99407-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 08/30/2021] [Indexed: 11/09/2022] Open
Abstract
In the last decade, nanosized metal organic frameworks (NMOFs) have gained an increasing applicability as multifunctional nanocarriers for drug delivery in cancer therapy. However, only a limited number of platforms have been reported that can serve as an effective targeted drug delivery system (DDSs). Herein, we report rational design and construction of doxorubicin (DOX)-loaded nanoscale Zr (IV)-based NMOF (NH2-UiO-66) decorated with active tumor targeting moieties; folic acid (FA), lactobionic acid (LA), glycyrrhetinic acid (GA), and dual ligands of LA and GA, as efficient multifunctional DDSs for hepatocellular carcinoma (HCC) therapy. The success of modification was exhaustively validated by various structural, thermal and microscopic techniques. Biocompatibility studies indicated the safety of pristine NH2-UiO-66 against HSF cells whereas DOX-loaded dual-ligated NMOF was found to possess superior cytotoxicity against HepG2 cells which was further confirmed by flow cytometry. Moreover, fluorescence microscopy was used for monitoring cellular uptake in comparison to the non-ligated and mono-ligated NMOF. Additionally, the newly developed dual-ligated NMOF depicted a pH-responsiveness towards the DOX release. These findings open new avenues in designing various NMOF-based DDSs that actively target hepatic cancer to achieve precise therapy.
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Affiliation(s)
- Mostafa Fytory
- Nanomedicine Labs, Center for Materials Science (CMS), Zewail City of Science and Technology, Giza, 12578, Egypt
- Material Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Kholoud K Arafa
- Nanomedicine Labs, Center for Materials Science (CMS), Zewail City of Science and Technology, Giza, 12578, Egypt
| | - Waleed M A El Rouby
- Material Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Ahmed A Farghali
- Material Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Mahmoud Abdel-Hafiez
- Department of Physics and Astronomy, Uppsala University, Box 516, 75120, Uppsala, Sweden
- Department of Physics, Faculty of Science, Fayoum University, Fayoum, 63514, Egypt
| | - Ibrahim M El-Sherbiny
- Nanomedicine Labs, Center for Materials Science (CMS), Zewail City of Science and Technology, Giza, 12578, Egypt.
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30
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Cong Z, Liu W, Song Z, Zhu M, Zhang Y, Yao W, Wu S, Gao E. A Zn‐based metal–organic framework for the irreversible determination of trace biomarkers of styrene and ethylbenzene in urine. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zhenzhong Cong
- The Key Laboratory of the Inorganic Molecule‐Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry Shenyang University of Chemical Technology Shenyang China
| | - Wei Liu
- The Key Laboratory of the Inorganic Molecule‐Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry Shenyang University of Chemical Technology Shenyang China
| | - Zhenfeng Song
- The Key Laboratory of the Inorganic Molecule‐Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry Shenyang University of Chemical Technology Shenyang China
| | - Mingchang Zhu
- The Key Laboratory of the Inorganic Molecule‐Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry Shenyang University of Chemical Technology Shenyang China
| | - Ying Zhang
- The Key Laboratory of the Inorganic Molecule‐Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry Shenyang University of Chemical Technology Shenyang China
| | - Wei Yao
- School of Chemical Engineering University of Science and Technology Liaoning Anshan China
| | - Shuangyan Wu
- The Key Laboratory of the Inorganic Molecule‐Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry Shenyang University of Chemical Technology Shenyang China
| | - Enjun Gao
- The Key Laboratory of the Inorganic Molecule‐Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry Shenyang University of Chemical Technology Shenyang China
- School of Chemical Engineering University of Science and Technology Liaoning Anshan China
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31
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Zheng MX, Yao C, Xie W, Xu YH, Hu H. Highly Selective and Sensitive Detection of Hg(I), Hg(II) Ions by a Covalent Organic Framework Embedding Active Sulfur Sites in the Pore Wall. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210121] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Ming-Xin Zheng
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials, Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University), Ministry of Education, Changchun 130103, P. R. China
| | - Chan Yao
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials, Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University), Ministry of Education, Changchun 130103, P. R. China
| | - Wei Xie
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials, Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University), Ministry of Education, Changchun 130103, P. R. China
| | - Yan-Hong Xu
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials, Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University), Ministry of Education, Changchun 130103, P. R. China
- School of Chemistry and Environmental Engineering, the Collaborative Innovation Center of Optical Materials and Chemistry, Changchun University of Science and Technology, Changchun 130022, P. R. China
| | - Hui Hu
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan University, No 58, Renmin Avenue, Haikou 570228, P. R. China
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32
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Liang Y, Qiao W, Feng T, Zhang B, Zhao Y, Song Y, Li T, Kränkel C. Investigation on the optical nonlinearity of the layered magnesium-mediated metal organic framework (Mg-MOF-74). OPTICS EXPRESS 2021; 29:23786-23798. [PMID: 34614637 DOI: 10.1364/oe.432234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 07/02/2021] [Indexed: 06/13/2023]
Abstract
The wavelength-related optical nonlinearities of few-layer Mg-MOF-74 nanosheets were investigated in the wavelength region around 1.08, 1.94, and 2.85 μm by the closed aperture Z-scan, open aperture Z-scan and I-scan method. Under the excitation of 100-μJ laser pulses, the nonlinear refractive index (n2) of -7.7 ± 2.6, -131 ± 5 and 4.9 ± 0.2 cm2/W were obtained, respectively. The wavelength-related optical nonlinearity of the Mg-MOF-74 nanosheet was also investigated. In 2.85 μm wavelength region, the Mg-MOF-74 nanosheets shows a stable saturable absorption property with a modulation depth of 8% and a saturation intensity of 170 mJ/cm2. In the 1.08 and 1.94 μm wavelength regions, we can observe that the Mg-MOF-74 transits from saturable absorption regime to reverse saturable absorption regime with the increasing incident laser intensity. Employed as a saturable absorber in a Er:Lu2O3 laser, Mg-MOF-74 nanosheet shows a thickness-related laser modulation performance. The shortest laser pulse of 284-ns was achieved under a repetition rate of 116 kHz with a 6-nm-thick Mg-MOF-74 nanosheet, which corresponds to a pulse energy of 3.2 µJ and a peak power of 11.4 W.
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Nagarjun N, Arthy K, Dhakshinamoorthy A. Copper(II)‐Doped ZIF‐8 as a Reusable and Size Selective Heterogeneous Catalyst for the Hydrogenation of Alkenes using Hydrazine Hydrate. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100126] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
| | - Kannan Arthy
- School of Chemistry Madurai Kamaraj University Madurai 625021, Tamil Nadu India
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34
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Otter D, Mondal SS, Alrefai A, Krätz L, Holdt HJ, Bart HJ. Characterization of an Isostructural MOF Series of Imidazolate Frameworks Potsdam by Means of Sorption Experiments with Water Vapor. NANOMATERIALS 2021; 11:nano11061400. [PMID: 34070631 PMCID: PMC8229386 DOI: 10.3390/nano11061400] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/10/2021] [Accepted: 05/14/2021] [Indexed: 12/17/2022]
Abstract
Sorption measurements of water vapor on an isoreticular series of Imidazolate Frameworks Potsdam (IFP), based on penta-coordinated metal centers with secondary building units (SBUs) connected by multidentate amido-imidate-imidazolate linkers, have been carried out at 303.15 K. The isotherm shapes were analyzed in order to gain insight into material properties and compared to sorption experiments with nitrogen at 77.4 K and carbon dioxide at 273.15 K. Results show that water vapor sorption measurements are strongly influenced by the pore size distribution while having a distinct hysteresis loop between the adsorption and desorption branch in common. Thus, IFP-4 and -8, which solely contain micropores, exhibit H4 (type I) isotherm shapes, while those of IFP-1, -2 and -5, which also contain mesopores, are of H3 (type IV) shape with three inflection points. The choice of the used linker substituents and transition metals employed in the framework has a tremendous effect on the material properties and functionality. The water uptake capacities of the examined IFPs are ranging 0.48 mmol g-1 (IFP-4) to 6.99 mmol g-1 (IFP-5) and comparable to those documented for ZIFs. The water vapor stability of IFPs is high, with the exception of IFP-8.
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Affiliation(s)
- Dirk Otter
- Lehrstuhl für Thermische Verfahrenstechnik, Technische Universität Kaiserslautern, Gottlieb-Daimler-Straße 44, 67663 Kaiserslautern, Germany; (D.O.); (L.K.)
| | - Suvendu Sekhar Mondal
- Institut für Chemie, Anorganische Chemie, Universität Potsdam, Karl-Liebknecht-Straße 24-25, 14476 Potsdam, Germany; (S.S.M.); (A.A.); (H.-J.H.)
| | - Anas Alrefai
- Institut für Chemie, Anorganische Chemie, Universität Potsdam, Karl-Liebknecht-Straße 24-25, 14476 Potsdam, Germany; (S.S.M.); (A.A.); (H.-J.H.)
| | - Lorenz Krätz
- Lehrstuhl für Thermische Verfahrenstechnik, Technische Universität Kaiserslautern, Gottlieb-Daimler-Straße 44, 67663 Kaiserslautern, Germany; (D.O.); (L.K.)
| | - Hans-Jürgen Holdt
- Institut für Chemie, Anorganische Chemie, Universität Potsdam, Karl-Liebknecht-Straße 24-25, 14476 Potsdam, Germany; (S.S.M.); (A.A.); (H.-J.H.)
| | - Hans-Jörg Bart
- Lehrstuhl für Thermische Verfahrenstechnik, Technische Universität Kaiserslautern, Gottlieb-Daimler-Straße 44, 67663 Kaiserslautern, Germany; (D.O.); (L.K.)
- Correspondence:
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35
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Martin CR, Leith GA, Shustova NB. Beyond structural motifs: the frontier of actinide-containing metal-organic frameworks. Chem Sci 2021; 12:7214-7230. [PMID: 34163816 PMCID: PMC8171348 DOI: 10.1039/d1sc01827b] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 05/13/2021] [Indexed: 12/13/2022] Open
Abstract
In this perspective, we feature recent advances in the field of actinide-containing metal-organic frameworks (An-MOFs) with a main focus on their electronic, catalytic, photophysical, and sorption properties. This discussion deviates from a strictly crystallographic analysis of An-MOFs, reported in several reviews, or synthesis of novel structural motifs, and instead delves into the remarkable potential of An-MOFs for evolving the nuclear waste administration sector. Currently, the An-MOF field is dominated by thorium- and uranium-containing structures, with only a few reports on transuranic frameworks. However, some of the reported properties in the field of An-MOFs foreshadow potential implementation of these materials and are the main focus of this report. Thus, this perspective intends to provide a glimpse into the challenges, triumphs, and future directions of An-MOFs in sectors ranging from the traditional realm of gas sorption and separation to recently emerging areas such as electronics and photophysics.
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Affiliation(s)
- Corey R Martin
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Gabrielle A Leith
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Natalia B Shustova
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
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36
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Lippi R, D’Angelo AM, Li C, Howard SC, Madsen IC, Wilson K, Lee AF, Sumby CJ, Doonan CJ, Patel J, Kennedy DF. Unveiling the structural transitions during activation of a CO2 methanation catalyst Ru0/ZrO2 synthesised from a MOF precursor. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.04.043] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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37
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Yeh JY, Li SC, Chen CH, Wu KCW, Li YP. Quantum Mechanical Calculations for Biomass Valorization over Metal-Organic Frameworks (MOFs). Chem Asian J 2021; 16:1049-1056. [PMID: 33651485 DOI: 10.1002/asia.202001371] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/25/2021] [Indexed: 11/11/2022]
Abstract
Metal-organic framework (MOF) in biomass valorization is a promising technology developed in recent decades. By tailoring both the metal nodes and organic ligands, MOFs exhibit multiple functionalities, which not only extend their applicability in biomass conversion but also increase the complexity of material designs. To address this issue, quantum mechanical simulations have been used to provide mechanistic insights into the catalysis of biomass-derived molecules, which could potentially facilitate the development of novel MOF-based materials for biomass valorization. The aim of this review is to survey recent quantum mechanical simulations on biomass reactions occurring in MOF catalysts, with the emphasis on the studies of the catalytic activity of active sites and the effects of organic ligand and porous structures on the kinetics. Moreover, different model systems and computational methods used for MOF simulations are also surveyed and discussed in this review.
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Affiliation(s)
- Jyun-Yi Yeh
- International Graduate Program of Molecular Science and Technology (NTU-MST), National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan.,Taiwan International Graduate Program (TIGP), Academia Sinica, No. 128, Sec. 2 Academia Road, Taipei, 11529, Taiwan
| | - Shih-Cheng Li
- Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Celine H Chen
- School of Engineering, Brown University, 184 Hope St, Providence, RI, 02912, United States
| | - Kevin C-W Wu
- International Graduate Program of Molecular Science and Technology (NTU-MST), National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan.,Taiwan International Graduate Program (TIGP), Academia Sinica, No. 128, Sec. 2 Academia Road, Taipei, 11529, Taiwan.,Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan.,Center of Atomic Initiative for New Materials, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Yi-Pei Li
- Taiwan International Graduate Program (TIGP), Academia Sinica, No. 128, Sec. 2 Academia Road, Taipei, 11529, Taiwan.,Department of Chemical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
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38
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Villoria-Del-Álamo B, Rojas-Buzo S, García-García P, Corma A. Zr-MOF-808 as Catalyst for Amide Esterification. Chemistry 2021; 27:4588-4598. [PMID: 33026656 DOI: 10.1002/chem.202003752] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/02/2020] [Indexed: 12/26/2022]
Abstract
In this work, zirconium-based metal-organic framework Zr-MOF-808-P has been found to be an efficient and versatile catalyst for amide esterification. Comparing with previously reported homogeneous and heterogeneous catalysts, Zr-MOF-808-P can promote the reaction for a wide range of primary, secondary and tertiary amides with n-butanol as nucleophilic agent. Different alcohols have been employed in amide esterification with quantitative yields. Moreover, the catalyst acts as a heterogeneous catalyst and could be reused for at least five consecutive cycles. The amide esterification mechanism has been studied on the Zr-MOF-808 at molecular level by in situ FTIR spectroscopic technique and kinetic study.
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Affiliation(s)
- Beatriz Villoria-Del-Álamo
- Instituto de Tecnología Química, UPV-CSIC, Universitat Politècnica de València-Consejo Superior de, Investigaciones Científicas, Avenida de los Naranjos s/n, 46022, Valencia, Spain
| | - Sergio Rojas-Buzo
- Instituto de Tecnología Química, UPV-CSIC, Universitat Politècnica de València-Consejo Superior de, Investigaciones Científicas, Avenida de los Naranjos s/n, 46022, Valencia, Spain
| | - Pilar García-García
- Instituto de Tecnología Química, UPV-CSIC, Universitat Politècnica de València-Consejo Superior de, Investigaciones Científicas, Avenida de los Naranjos s/n, 46022, Valencia, Spain.,Present address: Departamento de Ciencias Farmacéuticas, Facultad de Farmacia, CIETUS, IBSAL, University of Salamanca, Campus Miguel de Unamuno, 37007, Salamanca, Spain
| | - Avelino Corma
- Instituto de Tecnología Química, UPV-CSIC, Universitat Politècnica de València-Consejo Superior de, Investigaciones Científicas, Avenida de los Naranjos s/n, 46022, Valencia, Spain
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Luo J, Ying LF, Zhang F, Zhou Z, Zhang YG. Cu(II)-Containing Metal-Organic Framework with 1D Hexagonal Channels for Cyanosilylation Reaction and Anticancer Activity on Osteosarcoma Cells. ACS OMEGA 2021; 6:5856-5864. [PMID: 33681624 PMCID: PMC7931417 DOI: 10.1021/acsomega.0c06270] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Accepted: 02/08/2021] [Indexed: 06/12/2023]
Abstract
A novel metal-organic framework (MOF) has been produced via Cu(NO3)2·6H2O reaction with 3-(1H-tetrazol-5-yl)pyridine (HL) in water, and its chemical formula is {[(Cu(L)2(H2O)2](H2O)8) n } (1). Due to its high density of coordinately unsaturated sites along with large one-dimensional (1D) hexagonal channels, the activated complex 1 (1a) was explored as the solvent-free heterogeneous catalyst for cyanosilylation under mind conditions. The inhibitory function of compound 1a against the survival rate of OS-732 osteosarcoma cells was evaluated via Cell Counting Kit-8 (CCK-8) detection kit. Furthermore, the Annexin V-FITC/PI detection kit and the active oxygen (ROS) detection kit was carried out to determine the cell apoptosis levels and the ROS accumulation in OS-732 osteosarcoma cells after treatment by compound 1a.
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Affiliation(s)
- Jian Luo
- Department
of Orthopaedics, Ningbo Hangzhou Bay Hospital, Ningbo, Zhejiang 315336, China
| | - Lv-Fang Ying
- Department
of Orthopaedics, Ningbo Hangzhou Bay Hospital, Ningbo, Zhejiang 315336, China
| | - Feng Zhang
- Department
of Orthopaedics, Ningbo Hangzhou Bay Hospital, Ningbo, Zhejiang 315336, China
| | - Ze Zhou
- Department
of Neurosurgery, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Yan-Guo Zhang
- Department
of Neurosurgery, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
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40
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Controlling Metal-Organic Structure by Tuning Molecular Size, Supported Substrate, and Type of Metal. J CLUST SCI 2021. [DOI: 10.1007/s10876-020-01791-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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41
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Henkelis SE, Percival SJ, Small LJ, Rademacher DX, Nenoff TM. Continuous MOF Membrane-Based Sensors via Functionalization of Interdigitated Electrodes. MEMBRANES 2021; 11:membranes11030176. [PMID: 33671066 PMCID: PMC8000374 DOI: 10.3390/membranes11030176] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/16/2021] [Accepted: 02/25/2021] [Indexed: 11/16/2022]
Abstract
Three M-MOF-74 (M = Co, Mg, Ni) metal-organic framework (MOF) thin film membranes have been synthesized through a sensor functionalization method for the direct electrical detection of NO2. The two-step surface functionalization procedure on the glass/Pt interdigitated electrodes resulted in a terminal carboxylate group, with both steps confirmed through infrared spectroscopic analysis. This surface functionalization allowed the MOF materials to grow largely in a uniform manner over the surface of the electrode forming a thin film membrane over the Pt sensing electrodes. The growth of each membrane was confirmed through scanning electron microscopy (SEM) and X-ray diffraction analysis. The Ni and Mg MOFs grew as a continuous but non-defect free membrane with overlapping polycrystallites across the glass surface, whereas the Co-MOF-74 grew discontinuously. To demonstrate the use of these MOF membranes as an NO2 gas sensor, Ni-MOF-74 was chosen as it was consistently fabricated as the best thin and homogenous membrane, as confirmed by SEM. The membrane was exposed to 5 ppm NO2 and the impedance magnitude was observed to decrease 123× in 4 h, with a larger change in impedance and a faster response than the bulk material. Importantly, the use of these membranes as a sensor for NO2 does not require them to be defect-free, but solely continuous and overlapping growth.
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42
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Liu L, Corma A. Structural transformations of solid electrocatalysts and photocatalysts. Nat Rev Chem 2021; 5:256-276. [PMID: 37117283 DOI: 10.1038/s41570-021-00255-8] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/15/2021] [Indexed: 01/13/2023]
Abstract
Heterogeneous catalysts often undergo structural transformations when they operate under thermal reaction conditions. These transformations are reflected in their evolving catalytic activity, and a fundamental understanding of the changing nature of active sites is vital for the rational design of solid materials for applications. Beyond thermal catalysis, both photocatalysis and electrocatalysis are topical because they can harness renewable energy to drive uphill reactions that afford commodity chemicals and fuels. Although structural transformations of photocatalysts and electrocatalysts have been observed in operando, the resulting implications for catalytic behaviour are not fully understood. In this Review, we summarize and compare the structural evolution of solid thermal catalysts, electrocatalysts and photocatalysts. We suggest that well-established knowledge of thermal catalysis offers a good basis to understand emerging photocatalysis and electrocatalysis research.
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43
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Xue Q, Zhang Z, Ng BKY, Zhao P, Lo BTW. Recent Advances in the Engineering of Single-Atom Catalysts Through Metal-Organic Frameworks. Top Curr Chem (Cham) 2021; 379:11. [PMID: 33544294 DOI: 10.1007/s41061-021-00324-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 01/06/2021] [Indexed: 11/25/2022]
Abstract
This mini-review highlights some recent progress in the engineering of single-atom catalysts (SACs) through metal-organic frameworks (MOFs) and derivatives. The inherent molecular and chemical specificities within the MOFs and derivatives can offer stabilisation of the SACs with high atomic isolation and dispersion. As MOFs are often considered an infinite array of self-assembled molecular catalysts, specifically designed structures can provide further functionalities to suit the needs of different catalytic applications. In brief, we can divide the preparation approaches into three main categories: (1) fabrication onto functional groups of the ligands, (2) fabrication onto Lewis acid sites of nodal centres, and (3) synthesis via a pyrolysis-mediated technique. Through these approaches, strong metal-support interactions can be established to aid the fine-tuning of the catalytic properties. We also discuss how recent progress in the development of state-of-the-art microscopic, spectroscopic, and crystallographic techniques has enabled scientists to elucidate the structure-activity relationship.
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Affiliation(s)
- Qi Xue
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen Hi-tech Industrial Park, Shenzhen, 518000, China.,State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - Zixuan Zhang
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - Bryan K Y Ng
- Department of Chemistry, University of Oxford, Oxford, OX1 3QR, UK
| | - Pu Zhao
- Department of Chemistry, University of Oxford, Oxford, OX1 3QR, UK
| | - Benedict T W Lo
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen Hi-tech Industrial Park, Shenzhen, 518000, China. .,State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China.
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44
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Duan W, Qiao S, Zhuo M, Sun J, Guo M, Xu F, Liu J, Wang T, Guo X, Zhang Y, Gao J, Huang Y, Zhang Z, Cheng P, Ma S, Chen Y. Multifunctional Platforms: Metal-Organic Frameworks for Cutaneous and Cosmetic Treatment. Chem 2021. [DOI: 10.1016/j.chempr.2020.11.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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45
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Mancuso JL, Fabrizio K, Brozek CK, Hendon CH. On the limit of proton-coupled electronic doping in a Ti(iv)-containing MOF. Chem Sci 2021; 12:11779-11785. [PMID: 34659715 PMCID: PMC8442679 DOI: 10.1039/d1sc03019a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 07/29/2021] [Indexed: 12/29/2022] Open
Abstract
TiIV-containing metal–organic frameworks are known to accumulate electrons in their conduction bands, accompanied by protons, when irradiated in the presence of alcohols. The archetypal system, MIL-125, was recently shown to reach a limit of 2e− per Ti8 octomeric node. However, the origin of this limit and the broader applicability of this unique chemistry relies not only on the presence of TiIV, but also access to inorganic inner-sphere Lewis basic anions in the MOF nodes. Here, we study the loading of protons and electrons in MIL-125, and assess the thermodynamic limit of doping these materials. We find that the limit is determined by the reduction potential of protons: in high charging regimes the MOF exceeds the H+/H2 potential. Generally, we offer the design principle that inorganic anions in MOF nodes can host adatomic protons, which may stabilize meta-stable low valent transition metals. This approach highlights the unique chemistry afforded by MOFs built from inorganic clusters, and provides one avenue to developing novel catalytic scaffolds for hydrogen evolution and transfer hydrogenation. Photo-promoted doping of MIL-125 is limited by the potential of MOF-bound protons exceeding the hydrogen evolution reaction.![]()
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Affiliation(s)
- Jenna L. Mancuso
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR, 97403, USA
| | - Kevin Fabrizio
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR, 97403, USA
| | - Carl K. Brozek
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR, 97403, USA
| | - Christopher H. Hendon
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR, 97403, USA
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46
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Leelasree T, Selamneni V, Akshaya T, Sahatiya P, Aggarwal H. MOF based flexible, low-cost chemiresistive device as a respiration sensor for sleep apnea diagnosis. J Mater Chem B 2020; 8:10182-10189. [PMID: 33103693 DOI: 10.1039/d0tb01748e] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The monitoring of respiratory disorders requires breath sensors that are fast, robust, and convenient to use and can function under real time conditions. A MOF based flexible sensor is reported for the first time for breath sensing applications. The properties of a highly porous HKUST-1 MOF and a conducting MoS2 material have been combined to fabricate an electronic sensor on a flexible paper support for studying sleep apnea problems. Extensive breath sensing experiments have been performed and interestingly the fabricated sensor is efficient in detecting various kinds of breaths such as deep, fast, slow and hydrated breath. The MOF breath sensor shows a fast response time of just ∼0.38 s and excellent stability with no decline in its performance even after a month. A plausible mechanism has been proposed and a smartphone based prototype has been prepared to demonstrate the real time applications of the hybrid device. This work demonstrates great potential for the application of MOFs in healthcare with a special focus on breath sensing and sleep apnea diagnosis.
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Affiliation(s)
- T Leelasree
- Department of Chemistry, Birla Institute of Technology and Science, Hyderabad Campus, Hyderabad 500078, India.
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47
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Zhou Y, Hu Q, Yu F, Ran GY, Wang HY, Shepherd ND, D'Alessandro DM, Kurmoo M, Zuo JL. A Metal-Organic Framework Based on a Nickel Bis(dithiolene) Connector: Synthesis, Crystal Structure, and Application as an Electrochemical Glucose Sensor. J Am Chem Soc 2020; 142:20313-20317. [PMID: 33185447 DOI: 10.1021/jacs.0c09009] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Functionalizing the redox-active tetrathiafulvalene (TTF) core with groups capable of coordination to metals provides new perspectives on the modulation of architectures and electronic properties of organic-inorganic hybrid materials. With a view to extending this concept, we have now synthesized nickel bis(dithiolene-dibenzoic acid), [Ni(C2S2(C6H4COOH)2)2], which can be considered as the inorganic analogue of the organic tetrathiafulvalene-tetrabenzoic acid (H4TTFTB). Likewise, [Ni(C2S2(C6H4COOH)2)2] is a redox-active linker for new functional metal-organic frameworks, as demonstrated here with the synthesis of [Mn2{Ni(C2S2(C6H4COO)2)2}(H2O)2]·2DMF, (1, DMF = N,N-dimethylformamide). 1 is isomorphic to the reported [Mn2(TTFTB)(H2O)2] (2) but is a better electrochemical glucose sensor due to the multiple oxidation-reduction states of the [NiS4] core, which allow glucose to be oxidized to glucolactone by the high oxidation state [NiS4] center. As a non-enzymatic glucose sensor, 1 on Cu foam (CF), 1-CF, was synthesized by a one-step hydrothermal method and exhibited an excellent electrochemical performance. The fabricated 1-CF electrode offers a high sensitivity of 27.9 A M-1 cm-2, with a wide linear detection range from 2.0 × 10-6 to 2.0 × 10-3 M, a low detection limit of 1.0 × 10-7 M (signal/noise = 3), and satisfactory stability and reproducibility.
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Affiliation(s)
- Yan Zhou
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Qin Hu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, P. R. China
| | - Fei Yu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Guang-Ying Ran
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, P. R. China
| | - Hai-Ying Wang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, P. R. China
| | - Nicholas D Shepherd
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Deanna M D'Alessandro
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Mohamedally Kurmoo
- Institut de Chimie de Strasbourg, CNRS-UMR7177, Université de Strasbourg, 4 rue Blaise Pascal, 67008 Strasbourg, France
| | - Jing-Lin Zuo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
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48
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Pachisia S, Gupta R. Architectural and catalytic aspects of designer materials built using metalloligands of pyridine-2,6-dicarboxamide based ligands. Dalton Trans 2020; 49:14731-14748. [PMID: 33084678 DOI: 10.1039/d0dt03058a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
This perspective presents the design, synthesis and crystal structures of a large number of architectures constructed using assorted metalloligands of pyridine-2,6-dicarboxamide based ligands. The metalloligands offered various appended functional groups, whereas design strategies included varying both their position and number. A combination of these parameters resulted in the development of assorted architectures including discrete trinuclear and tetranuclear complexes as well as 1D/2D/3D coordination polymers. The metalloligand strategy not only assisted in the construction of ordered crystalline materials with varied dimensionalities but also judiciously allowed the incorporation of Lewis acidic and redox-active secondary metals in the resultant architectures. As a result, such designer architectures illustrated their noteworthy role both as homogenous and heterogeneous catalysts in different organic transformation reactions.
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Affiliation(s)
- Sanya Pachisia
- Department of Chemistry, University of Delhi, Delhi - 110007, India.
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49
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Tuttle RR, Folkman SJ, Rubin HN, Finke RG, Reynolds MM. Copper Metal-Organic Framework Surface Catalysis: Catalyst Poisoning, IR Spectroscopic, and Kinetic Evidence Addressing the Nature and Number of the Catalytically Active Sites En Route to Improved Applications. ACS APPLIED MATERIALS & INTERFACES 2020; 12:39043-39055. [PMID: 32805891 DOI: 10.1021/acsami.0c08961] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The metal-organic framework (MOF) H3[(Cu4Cl)3-(BTTri)8, H3BTTri = 1,3,5-tris(1H-1,2,3-triazol-5-yl)benzene] (CuBTTri) is a precatalyst for biomedically relevant nitric oxide (NO) release from S-nitrosoglutathione (GSNO). The questions of the number and nature of the catalytically most active, kinetically dominant sites are addressed. Also addressed is whether or not the well-defined structural geometry of MOFs (as solid-state analogues of molecular compounds) can be used to generate specific, testable hypotheses about, for example, if intrapore vs exterior surface metal sites are more catalytically active. Studies of the initial catalytic rate vs CuBTTri particle external surface area to interior volume ratio show that intrapore copper sites are inactive within the experimental error (≤1.7 × 10-5% of the observed catalytic activity)-restated, the traditional MOF intrapore metal site catalysis hypothesis is disproven for the current system. All observed catalysis occurs at exterior surface Cu sites, within the experimental error. Fourier transform infrared (FT-IR) analysis of CN--poisoned CuBTTri reveals just two detectable Cu sites at a ca. ≥0.5% detection limit, those that bind three or one CN- ("Cu(CN)3" and "CuCN"), corresponding to the CN- binding expected for exterior surface, 3-coordinate (Cusurface) and intrapore, 5-coordinate (Cupore) sites predicted by the idealized, metal-terminated crystal structure. Two-coordinate Cu defect sites are ruled out at the ≥0.5% FT-IR detection limit as such defect sites would have been detectable by the FT-IR studies of the CN--poisoned catalyst. Size-selective poisoning studies of CuBTTri exterior surface sites reveal that 1.3 (±0.4)% of total copper in 0.6 ± 0.4 μm particles is active. That counting of active sites yields a normalized turnover frequency (TOF), TOFnorm = (4.9 ± 1.2) × 10-2 mol NO (mol Cusurface)-1 s-1 (in water, at 20 min, 25 °C, 1 mM GSNO, 30% loss of GSNO, and 1.3 ± 0.4 mol % Cusurface)-a value ∼100× higher than the TOF calculated without active site counting. Overall, Ockham's razor interpretation of the data is that exterior surface, Cusurface sites are the catalytically most active sites present at a 1.3 (±0.4)% level of total Cu.
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Affiliation(s)
- Robert R Tuttle
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Scott J Folkman
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Heather N Rubin
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Richard G Finke
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Melissa M Reynolds
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
- School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
- Department of Chemical & Biological Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
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50
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Polyukhov D, Krause S, Bon V, Poryvaev AS, Kaskel S, Fedin MV. Structural Transitions of the Metal-Organic Framework DUT-49(Cu) upon Physi- and Chemisorption Studied by in Situ Electron Paramagnetic Resonance Spectroscopy. J Phys Chem Lett 2020; 11:5856-5862. [PMID: 32615766 PMCID: PMC9115751 DOI: 10.1021/acs.jpclett.0c01705] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 07/03/2020] [Indexed: 05/31/2023]
Abstract
Flexible metal-organic frameworks (MOFs) exhibit a variety of phenomena attractive for basic and applied science. DUT-49(Cu) is one of the remarkable representatives of such MOFs, where phase transitions are coupled to pressure amplification and "negative gas adsorption". In this work we report important insights into structural transitions of DUT-49(Cu) upon physi- and chemisorption of gases and volatile liquids obtained by in situ electron paramagnetic resonance (EPR) spectroscopy. In this method, phase transitions are detected via the zero-field splitting in dimeric copper(II) units. First, a new approach was validated upon physisorption of n-butane. Then, using diethyl ether, we for the first time demonstrated that chemisorption can also trigger phase transition in DUT-49(Cu). On the basis of the EPR results, the transition appears completely reversible. The developed EPR-based approach can also be extended to other flexible MOFs containing paramagnetic metal paddlewheels, where high sensitivity and spectral resolution allow in situ studies of stimuli-induced structural variability.
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Affiliation(s)
| | - Simon Krause
- Chair
of Inorganic Chemistry I, Technische Universität
Dresden, Bergstraße 66, 01069 Dresden, Germany
| | - Volodymyr Bon
- Chair
of Inorganic Chemistry I, Technische Universität
Dresden, Bergstraße 66, 01069 Dresden, Germany
| | - Artem S. Poryvaev
- International
Tomography Center SB RAS, Novosibirsk 630090, Russia
- Novosibirsk
State University, Novosibirsk 630090, Russia
- N.
N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Novosibirsk 630090, Russia
| | - Stefan Kaskel
- Chair
of Inorganic Chemistry I, Technische Universität
Dresden, Bergstraße 66, 01069 Dresden, Germany
| | - Matvey V. Fedin
- International
Tomography Center SB RAS, Novosibirsk 630090, Russia
- Novosibirsk
State University, Novosibirsk 630090, Russia
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