1
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Qadeer A, Mubeen S, Liu M, Bekele TG, Ohoro CR, Adeniji AO, Alraih AM, Ajmal Z, Alshammari AS, Al-Hadeethi Y, Archundia D, Yuan S, Jiang X, Wang S, Li X, Sauvé S. Global environmental and toxicological impacts of polybrominated diphenyl ethers versus organophosphate esters: A comparative analysis and regrettable substitution dilemma. J Hazard Mater 2024; 466:133543. [PMID: 38262318 DOI: 10.1016/j.jhazmat.2024.133543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 01/13/2024] [Accepted: 01/15/2024] [Indexed: 01/25/2024]
Abstract
The prevalence of organophosphate esters (OPEs) in the global environment is increasing, which aligns with the decline in the usage of polybrominated diphenyl ethers (PBDEs). PBDEs, a category of flame retardants, were banned and classified as persistent organic pollutants (POPs) through the Stockholm Convention due to their toxic and persistent properties. Despite a lack of comprehensive understanding of their ecological and health consequences, OPEs were adopted as replacements for PBDEs. This research aims to offer a comparative assessment of PBDEs and OPEs in various domains, specifically focusing on their persistence, bioaccumulation, and toxicity (PBT) properties. This study explored physicochemical properties (such as molecular weight, octanol-water partition coefficient, octanol-air partition coefficient, Henry's law constant, and vapor pressures), environmental behaviors, global concentrations in environmental matrices (air, water, and soil), toxicities, bioaccumulation, and trophic transfer mechanisms of both groups of compounds. Based on the comparison and analysis of environmental and toxicological data, we evaluate whether OPEs represent another instance of regrettable substitution and global contamination as much as PBDEs. Our findings indicate that the physical and chemical characteristics, environmental behaviors, and global concentrations of PBDEs and OPEs, are similar and overlap in many instances. Notably, OPE concentrations have even surged by orders of several magnitude compared to PBDEs in certain pristine regions like the Arctic and Antarctic, implying long-range transport. In many instances, air and water concentrations of OPEs have been increased than PBDEs. While the bioaccumulation factors (BAFs) of PBDEs (ranging from 4.8 to 7.5) are slightly elevated compared to OPEs (-0.5 to 5.36) in aquatic environments, both groups of compounds exhibit BAF values beyond the threshold of 5000 L/kg (log10 BAF > 3.7). Similarly, the trophic magnification factors (TMFs) for PBDEs (ranging from 0.39 to 4.44) slightly surpass those for OPEs (ranging from 1.06 to 3.5) in all cases. Metabolic biotransformation rates (LogKM) and hydrophobicity are potentially major factors deciding their trophic magnification potential. However, many compounds of PBDEs and OPEs show TMF values higher than 1, indicating biomagnification potential. Collectively, all data suggest that PBDEs and OPEs have the potential to bioaccumulate and transfer through the food chain. OPEs and PBDEs present a myriad of toxicity endpoints, with notable overlaps encompassing reproductive issues, oxidative stress, developmental defects, liver dysfunction, DNA damage, neurological toxicity, reproductive anomalies, carcinogenic effects, and behavior changes. Based on our investigation and comparative analysis, we conclude that substituting PBDEs with OPEs is regrettable based on PBT properties, underscoring the urgency for policy reforms and effective management strategies. Addressing this predicament before an exacerbation of global contamination is imperative.
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Affiliation(s)
- Abdul Qadeer
- State Key Laboratory of Environmental Criteria and Risk Assessment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Environmental Protection Key Laboratory for Lake Pollution Control, Chinese Research Academy of Environmental Science, Beijing, China.
| | - Sidra Mubeen
- State Key Laboratory of Environmental Criteria and Risk Assessment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Environmental Protection Key Laboratory for Lake Pollution Control, Chinese Research Academy of Environmental Science, Beijing, China; Faculty of Computer Science and Information Technology, Superior University Lahore, Pakistan
| | - Mengyang Liu
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong 999077, Hong Kong SAR China
| | - Tadiyose Girma Bekele
- Department of Biology, Eastern Nazarene College, 23 East Elm Avenue, Quincy, MA 02170, USA
| | - Chinemerem R Ohoro
- Water Research Group, Unit for Environmental Sciences and Management, North, West University, Potchefstroom 2520, South Africa
| | - Abiodun O Adeniji
- Department of Chemistry and Chemical Technology, Faculty of Science and Technology, National University of Lesotho, Lesotho
| | - Alhafez M Alraih
- Department of Chemistry, College of Science and Arts, Mohail Aseer, King Khalid University, Saudi Arabia
| | - Zeeshan Ajmal
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, PR China
| | - Ahmad S Alshammari
- King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia
| | - Yas Al-Hadeethi
- Physics Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Denisse Archundia
- Instituto de Geología, Universidad Nacional Autónoma de México, Coyoacán, CDMX, México 04510, Mexico
| | - Shengwu Yuan
- State Key Laboratory of Environmental Criteria and Risk Assessment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Environmental Protection Key Laboratory for Lake Pollution Control, Chinese Research Academy of Environmental Science, Beijing, China
| | - Xia Jiang
- State Key Laboratory of Environmental Criteria and Risk Assessment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Environmental Protection Key Laboratory for Lake Pollution Control, Chinese Research Academy of Environmental Science, Beijing, China.
| | - Shuhang Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Environmental Protection Key Laboratory for Lake Pollution Control, Chinese Research Academy of Environmental Science, Beijing, China.
| | - Xixi Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Environmental Protection Key Laboratory for Lake Pollution Control, Chinese Research Academy of Environmental Science, Beijing, China.
| | - Sébastien Sauvé
- Department of Chemistry, Université de Montréal, Campus MIL, 1375 Av. Thérèse-Lavoie-Roux, Montréal H2V 0B3, QC, Canada
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Arafat AA, Hassan E, Alfonso JJ, Alanazi E, Alshammari AS, Mahmood A, Al-Otaibi K, Adam AI, Algarni KD, Pragliola C. Del Nido versus warm blood cardioplegia in adult patients with a low ejection fraction. Cardiothorac Surg 2021. [DOI: 10.1186/s43057-021-00061-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Del Nido cardioplegia was recently introduced to adult cardiac surgery with encouraging results. The effect of Del Nido cardioplegia in patients with low ejection fraction (EF) has not been thoroughly evaluated. The objective of this study was to assess the safety of Del Nido cardioplegia in adult patients with low EF compared to intermittent warm blood cardioplegia.
Results
During 2018 and 2019, 73 adult patients with an EF of ≤ 40% underwent cardiac surgery using Del Nido cardioplegia. The patients were compared to a historical cohort of consecutive patients with low EF who had intermitted warm blood cardioplegia (n = 81). Patients who had Del Nido cardioplegia had significantly lower EuroSCORE II (2.73 (1.7–4.1) vs. 4.5 (2.4–7.4), P = 0.004). There were no differences in creatinine clearance and preoperative echocardiographic data between the groups. Cardiopulmonary bypass and cross-clamp times were non-significantly lower with Del Nido cardioplegia. There were no differences in stroke and postoperative echocardiographic data between the groups. No hospital mortality was reported in both groups. Peak troponin levels were significantly higher in patients who had Del Nido cardioplegia (0.88 (0.58–1.47) vs. 0.7 (0.44–1.01) ng/dL; P = 0.01); however, after multivariable regression analysis, cardiopulmonary bypass time was the only predictor of postoperative troponin level (coefficient 0.005 (95% CI: 0.003–0.008); P < 0.001). ICU stay was significantly longer in patients who had Del Nido cardioplegia (4 (3–6) vs. 2(1–4) days, P < 0.001), while postoperative hospital stay did not differ between the groups. After multivariable regression, the use of intermittent warm blood cardioplegia was significantly associated with shorter ICU stay (coefficient − 1.80 (95% CI − 3.06 – -0.55); P = 0.01).
Conclusions
Prolonged ICU was reported with Del Nido cardioplegia; however, there were no differences in the duration of hospital stay and the clinical outcomes between the groups. Despite the proven efficacy of intermittent warm blood cardioplegia, the use of Del Nido cardioplegia might be safe in patients with low EF.
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3
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Murugesan K, Alenad AM, Alshammari AS, Sohail M, Jagadeesh RV. Reductive N-alkylation of primary amides using nickel-nanoparticles. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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4
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Chandrashekhar VG, Natte K, Alenad AM, Alshammari AS, Kreyenschulte C, Jagadeesh RV. Reductive Amination, Hydrogenation and Hydrodeoxygenation of 5‐Hydroxymethylfurfural using Silica‐supported Cobalt‐ Nanoparticles. ChemCatChem 2021. [DOI: 10.1002/cctc.202101234] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Kishore Natte
- Chemical and Material Science Division CSIR - Indian Institute of Petroleum Haridwar road Mohkampur, Dehradun 248005 India
| | - Asma M. Alenad
- Chemistry Department College of Science Jouf University P.O. Box: 2014 Sakaka Kingdom of Saudi Arabia
| | - Ahmad S. Alshammari
- King Abdulaziz City for Science and Technology P.O. Box 6086 Riyadh 1442 Kingdom of Saudi Arabia
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5
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Murugesan K, Senthamarai T, Alshammari AS, Altamimi RM, Kreyenschulte C, Pohl MM, Lund H, Jagadeesh RV, Beller M. Cobalt-Nanoparticles Catalyzed Efficient and Selective Hydrogenation of Aromatic Hydrocarbons. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02193] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Kathiravan Murugesan
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Str. 29a, Rostock D-18059, Germany
| | | | - Ahmad S. Alshammari
- King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia
| | - Rashid M. Altamimi
- King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia
| | - Carsten Kreyenschulte
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Str. 29a, Rostock D-18059, Germany
| | - Marga-Martina Pohl
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Str. 29a, Rostock D-18059, Germany
| | - Henrik Lund
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Str. 29a, Rostock D-18059, Germany
| | - Rajenahally V. Jagadeesh
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Str. 29a, Rostock D-18059, Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Str. 29a, Rostock D-18059, Germany
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6
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Murugesan K, Alshammari AS, Sohail M, Beller M, Jagadeesh RV. Monodisperse nickel-nanoparticles for stereo- and chemoselective hydrogenation of alkynes to alkenes. J Catal 2019. [DOI: 10.1016/j.jcat.2018.12.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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7
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Murugesan K, Senthamarai T, Sohail M, Alshammari AS, Pohl MM, Beller M, Jagadeesh RV. Cobalt-based nanoparticles prepared from MOF-carbon templates as efficient hydrogenation catalysts. Chem Sci 2018; 9:8553-8560. [PMID: 30568779 PMCID: PMC6251336 DOI: 10.1039/c8sc02807a] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 09/08/2018] [Indexed: 01/12/2023] Open
Abstract
Pyrolysis of cobalt-terephthalic acid MOF template on carbon produces highly active and selective cobalt nanoparticles-based hydrogenation catalysts.
The development of efficient and selective nanostructured catalysts for industrially relevant hydrogenation reactions continues to be an actual goal of chemical research. In particular, the hydrogenation of nitriles and nitroarenes is of importance for the production of primary amines, which constitute essential feedstocks and key intermediates for advanced chemicals, life science molecules and materials. Herein, we report the preparation of graphene shell encapsulated Co3O4- and Co-nanoparticles supported on carbon by the template synthesis of cobalt-terephthalic acid MOF on carbon and subsequent pyrolysis. The resulting nanoparticles create stable and reusable catalysts for selective hydrogenation of functionalized and structurally diverse aromatic, heterocyclic and aliphatic nitriles, and as well as nitro compounds to primary amines (>65 examples). The synthetic and practical utility of this novel non-noble metal-based hydrogenation protocol is demonstrated by upscaling several reactions to multigram-scale and recycling of the catalyst.
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Affiliation(s)
- Kathiravan Murugesan
- Leibniz-Institut für Katalyse e. V. an der Universität Rostock , Albert-Einstein-Str. 29a , 18059 Rostock , Germany . ;
| | - Thirusangumurugan Senthamarai
- Leibniz-Institut für Katalyse e. V. an der Universität Rostock , Albert-Einstein-Str. 29a , 18059 Rostock , Germany . ;
| | - Manzar Sohail
- Leibniz-Institut für Katalyse e. V. an der Universität Rostock , Albert-Einstein-Str. 29a , 18059 Rostock , Germany . ; .,The Center of Research Excellence in Nanotechnology (CENT) , King Fahd University of Petroleum and Minerals , Dhahran 31261 , Saudi Arabia
| | - Ahmad S Alshammari
- King Abdulaziz City for Science and Technology , Riyadh 11442 , Saudi Arabia
| | - Marga-Martina Pohl
- Leibniz-Institut für Katalyse e. V. an der Universität Rostock , Albert-Einstein-Str. 29a , 18059 Rostock , Germany . ;
| | - Matthias Beller
- Leibniz-Institut für Katalyse e. V. an der Universität Rostock , Albert-Einstein-Str. 29a , 18059 Rostock , Germany . ;
| | - Rajenahally V Jagadeesh
- Leibniz-Institut für Katalyse e. V. an der Universität Rostock , Albert-Einstein-Str. 29a , 18059 Rostock , Germany . ;
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8
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Jagadeesh RV, Murugesan K, Alshammari AS, Neumann H, Pohl MM, Radnik J, Beller M. MOF-derived cobalt nanoparticles catalyze a general synthesis of amines. Science 2017; 358:326-332. [PMID: 28935769 DOI: 10.1126/science.aan6245] [Citation(s) in RCA: 385] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 09/07/2017] [Indexed: 01/18/2023]
Abstract
The development of base metal catalysts for the synthesis of pharmaceutically relevant compounds remains an important goal of chemical research. Here, we report that cobalt nanoparticles encapsulated by a graphitic shell are broadly effective reductive amination catalysts. Their convenient and practical preparation entailed template assembly of cobalt-diamine-dicarboxylic acid metal organic frameworks on carbon and subsequent pyrolysis under inert atmosphere. The resulting stable and reusable catalysts were active for synthesis of primary, secondary, tertiary, and N-methylamines (more than 140 examples). The reaction couples easily accessible carbonyl compounds (aldehydes and ketones) with ammonia, amines, or nitro compounds, and molecular hydrogen under industrially viable and scalable conditions, offering cost-effective access to numerous amines, amino acid derivatives, and more complex drug targets.
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Affiliation(s)
- Rajenahally V Jagadeesh
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Strasse 29a, Rostock, D-18059, Germany
| | - Kathiravan Murugesan
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Strasse 29a, Rostock, D-18059, Germany
| | - Ahmad S Alshammari
- King Abdulaziz City for Science and Technology, Post Office Box 6086, Riyadh 11442, Saudi Arabia
| | - Helfried Neumann
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Strasse 29a, Rostock, D-18059, Germany
| | - Marga-Martina Pohl
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Strasse 29a, Rostock, D-18059, Germany
| | - Jörg Radnik
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Strasse 29a, Rostock, D-18059, Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein Strasse 29a, Rostock, D-18059, Germany.
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9
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Kapustin E, Lee S, Alshammari AS, Yaghi OM. Molecular Retrofitting Adapts a Metal-Organic Framework to Extreme Pressure. ACS Cent Sci 2017; 3:662-667. [PMID: 28691079 PMCID: PMC5492252 DOI: 10.1021/acscentsci.7b00169] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Indexed: 05/19/2023]
Abstract
Despite numerous studies on chemical and thermal stability of metal-organic frameworks (MOFs), mechanical stability remains largely undeveloped. To date, no strategy exists to control the mechanical deformation of MOFs under ultrahigh pressure. Here, we show that the mechanically unstable MOF-520 can be retrofitted by precise placement of a rigid 4,4'-biphenyldicarboxylate (BPDC) linker as a "girder" to afford a mechanically robust framework: MOF-520-BPDC. This retrofitting alters how the structure deforms under ultrahigh pressure and thus leads to a drastic enhancement of its mechanical robustness. While in the parent MOF-520 the pressure transmitting medium molecules diffuse into the pore and expand the structure from the inside upon compression, the girder in the new retrofitted MOF-520-BPDC prevents the framework from expansion by linking two adjacent secondary building units together. As a result, the modified MOF is stable under hydrostatic compression in a diamond-anvil cell up to 5.5 gigapascal. The increased mechanical stability of MOF-520-BPDC prohibits the typical amorphization observed for MOFs in this pressure range. Direct correlation between the orientation of these girders within the framework and its linear strain was estimated, providing new insights for the design of MOFs with optimized mechanical properties.
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Affiliation(s)
- Eugene
A. Kapustin
- Department
of Chemistry, University of California−Berkeley, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Kavli
Energy NanoSciences Institute at Berkeley, Berkeley, California 94720, United States
- Berkeley
Global Science Institute, Berkeley, California 94720, United States
| | - Seungkyu Lee
- Department
of Chemistry, University of California−Berkeley, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Kavli
Energy NanoSciences Institute at Berkeley, Berkeley, California 94720, United States
- Berkeley
Global Science Institute, Berkeley, California 94720, United States
| | | | - Omar M. Yaghi
- Department
of Chemistry, University of California−Berkeley, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Kavli
Energy NanoSciences Institute at Berkeley, Berkeley, California 94720, United States
- Berkeley
Global Science Institute, Berkeley, California 94720, United States
- King
Abdulaziz City for Science and Technology, Riyadh 11442, Saudi Arabia
- E-mail:
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10
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Yang J, Trickett CA, Alahmadi SB, Alshammari AS, Yaghi OM. Calcium l-Lactate Frameworks as Naturally Degradable Carriers for Pesticides. J Am Chem Soc 2017; 139:8118-8121. [DOI: 10.1021/jacs.7b04542] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jingjing Yang
- Department
of Chemistry, University of California, Berkeley, Materials Sciences
Division, Lawrence Berkeley National Laboratory, and Kavli Energy
NanoSciences Institute, Berkeley, California 94720, United States
| | - Christopher A. Trickett
- Department
of Chemistry, University of California, Berkeley, Materials Sciences
Division, Lawrence Berkeley National Laboratory, and Kavli Energy
NanoSciences Institute, Berkeley, California 94720, United States
| | - Salman B. Alahmadi
- Department
of Chemistry, University of California, Berkeley, Materials Sciences
Division, Lawrence Berkeley National Laboratory, and Kavli Energy
NanoSciences Institute, Berkeley, California 94720, United States
| | - Ahmad S. Alshammari
- King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia
| | - Omar M. Yaghi
- Department
of Chemistry, University of California, Berkeley, Materials Sciences
Division, Lawrence Berkeley National Laboratory, and Kavli Energy
NanoSciences Institute, Berkeley, California 94720, United States
- King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia
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11
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Choi KM, Kim D, Rungtaweevoranit B, Trickett CA, Barmanbek JTD, Alshammari AS, Yang P, Yaghi OM. Plasmon-Enhanced Photocatalytic CO2 Conversion within Metal–Organic Frameworks under Visible Light. J Am Chem Soc 2016; 139:356-362. [DOI: 10.1021/jacs.6b11027] [Citation(s) in RCA: 407] [Impact Index Per Article: 50.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Kyung Min Choi
- Department
of Chemical and Biological Engineering, Sookmyung Women’s University, Seoul 04310, Korea
| | | | | | | | | | - Ahmad S. Alshammari
- King Abdulaziz City for Science and Technology, Post Office Box 6086, Riyadh 11442, Saudi Arabia
| | | | - Omar M. Yaghi
- King Abdulaziz City for Science and Technology, Post Office Box 6086, Riyadh 11442, Saudi Arabia
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12
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Zhou F, Liu S, Yang B, Wang P, Alshammari AS, Deng Y. Highly selective and stable electro-catalytic system with ionic liquids for the reduction of carbon dioxide to carbon monoxide. Electrochem commun 2015. [DOI: 10.1016/j.elecom.2015.03.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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13
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Wang P, Liu S, Zhou F, Yang B, Alshammari AS, Deng Y. Catalytic alcoholysis of urea to diethyl carbonate over calcined Mg–Zn–Al hydrotalcite. RSC Adv 2015. [DOI: 10.1039/c4ra15897k] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The synthesis of diethyl carbonate (DEC) from urea and ethanol was carried out over Mg–Zn–Al composite oxide catalysts derived from hydrotalcites (HTs).
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Affiliation(s)
- Peixue Wang
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
- China
| | - Shimin Liu
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
- China
| | - Feng Zhou
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
- China
| | - Benqun Yang
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
- China
| | - Ahmad S. Alshammari
- National Nanotechnology Research Center
- King Abdulaziz City for Science and Technology
- Riyadh 11442
- Saudi Arabia
| | - Youquan Deng
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
- China
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14
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Wang P, Liu S, Ma X, He Y, Alshammari AS, Deng Y. Binary Mg–Fe oxide as a highly active and magnetically separable catalyst for the synthesis of ethyl methyl carbonate. RSC Adv 2015. [DOI: 10.1039/c5ra02894a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The synthesis of ethyl methyl carbonate (EMC) from dimethyl carbonate (DMC) and diethyl carbonate (DEC) over magnetic binary Mg–Fe oxides.
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Affiliation(s)
- Peixue Wang
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
- China
| | - Shimin Liu
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
- China
| | - Xiangyuan Ma
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
- China
| | - Yude He
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
- China
| | - Ahmad S. Alshammari
- National Nanotechnology Research Center
- King Abdulaziz City for Science and Technology
- Riyadh 11442
- Saudi Arabia
| | - Youquan Deng
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
- China
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15
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Abstract
TPD-CO2 profiles of P4,4,4,6Triz confined in the nanopores of SAPO-11 (30 wt%).
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Affiliation(s)
- Benqun Yang
- Centre for Green Chemistry and Catalysis
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Feng Zhou
- Centre for Green Chemistry and Catalysis
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Shimin Liu
- Centre for Green Chemistry and Catalysis
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Peixue Wang
- Centre for Green Chemistry and Catalysis
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Ahmad S. Alshammari
- National Nanotechnology Research Center
- King Abdulaziz City for Science and Technology
- Riyadh 11442
- Saudi Arabia
| | - Youquan Deng
- Centre for Green Chemistry and Catalysis
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
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Wang P, Liu S, Zhou F, Yang B, Alshammari AS, Deng Y. Efficient synthesis of diphenyl carbonate from dibutyl carbonate and phenol using square-shaped Zn–Ti–O nanoplates as solid acid catalysts. RSC Adv 2015. [DOI: 10.1039/c5ra17655g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Efficient synthesis of diphenyl carbonate from dibutyl carbonate and phenol using square-shaped Zn–Ti–O nanoplates as solid acid catalyst.
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Affiliation(s)
- Peixue Wang
- Centre for Green Chemistry and Catalysis
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Shimin Liu
- Centre for Green Chemistry and Catalysis
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Feng Zhou
- Centre for Green Chemistry and Catalysis
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Benqun Yang
- Centre for Green Chemistry and Catalysis
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
| | - Ahmad S. Alshammari
- National Nanotechnology Research Center
- King Abdulaziz City for Science and Technology
- Riyadh 11442
- Saudi Arabia
| | - Youquan Deng
- Centre for Green Chemistry and Catalysis
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou
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17
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Alshammari AS, Chi L, Chen X, Bagabas A, Kramer D, Alromaeh A, Jiang Z. Visible-light photocatalysis on C-doped ZnO derived from polymer-assisted pyrolysis. RSC Adv 2015. [DOI: 10.1039/c4ra17227b] [Citation(s) in RCA: 126] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Heavy C-doping can effectively enhance visible-light absorption yet exhibited lower visible-light-responsive photocatalytic activity due to significant recombination of photogenerated charge carriers caused by C-dopant and oxygen vacancies.
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Affiliation(s)
- Ahmad S. Alshammari
- National Nanotechnology Research Center
- King Abdulaziz City for Science and Technology
- Riyadh 11442
- Saudi Arabia
| | - Lina Chi
- Faculty of Engineering and The Environment
- University of Southampton
- Southampton
- UK
- School of Environmental Science and Engineering
| | - Xiaoping Chen
- Faculty of Engineering and The Environment
- University of Southampton
- Southampton
- UK
- School of Environmental Science and Engineering
| | - Abdulaziz Bagabas
- National Nanotechnology Research Center
- King Abdulaziz City for Science and Technology
- Riyadh 11442
- Saudi Arabia
| | - Denis Kramer
- Faculty of Engineering and The Environment
- University of Southampton
- Southampton
- UK
| | - Abdulaziz Alromaeh
- National Nanotechnology Research Center
- King Abdulaziz City for Science and Technology
- Riyadh 11442
- Saudi Arabia
| | - Zheng Jiang
- Faculty of Engineering and The Environment
- University of Southampton
- Southampton
- UK
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