101
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Gao D, Sinev I, Scholten F, Arán-Ais RM, Divins NJ, Kvashnina K, Timoshenko J, Roldan Cuenya B. Selective CO 2 Electroreduction to Ethylene and Multicarbon Alcohols via Electrolyte-Driven Nanostructuring. Angew Chem Int Ed Engl 2019; 58:17047-17053. [PMID: 31476272 PMCID: PMC6899694 DOI: 10.1002/anie.201910155] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 08/31/2019] [Indexed: 12/31/2022]
Abstract
Production of multicarbon products (C2+) from CO2 electroreduction reaction (CO2RR) is highly desirable for storing renewable energy and reducing carbon emission. The electrochemical synthesis of CO2RR catalysts that are highly selective for C2+ products via electrolyte‐driven nanostructuring is presented. Nanostructured Cu catalysts synthesized in the presence of specific anions selectively convert CO2 into ethylene and multicarbon alcohols in aqueous 0.1 m KHCO3 solution, with the iodine‐modified catalyst displaying the highest Faradaic efficiency of 80 % and a partial geometric current density of ca. 31.2 mA cm−2 for C2+ products at −0.9 V vs. RHE. Operando X‐ray absorption spectroscopy and quasi in situ X‐ray photoelectron spectroscopy measurements revealed that the high C2+ selectivity of these nanostructured Cu catalysts can be attributed to the highly roughened surface morphology induced by the synthesis, presence of subsurface oxygen and Cu+ species, and the adsorbed halides.
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Affiliation(s)
- Dunfeng Gao
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195, Berlin, Germany
| | - Ilya Sinev
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195, Berlin, Germany.,Department of Physics, Ruhr-University Bochum, 44780, Bochum, Germany
| | - Fabian Scholten
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195, Berlin, Germany.,Department of Physics, Ruhr-University Bochum, 44780, Bochum, Germany
| | - Rosa M Arán-Ais
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195, Berlin, Germany
| | - Nuria J Divins
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195, Berlin, Germany.,Department of Physics, Ruhr-University Bochum, 44780, Bochum, Germany
| | - Kristina Kvashnina
- Rossendorf Beamline at ESRF-The European Synchrotron, CS40220, 38043, Grenoble Cedex 9, France.,Helmholtz Zentrum Dresden-Rossendorf (HZDR), Institute of Resource Ecology, PO Box 510119, 01314, Dresden, Germany
| | - Janis Timoshenko
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195, Berlin, Germany
| | - Beatriz Roldan Cuenya
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195, Berlin, Germany
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102
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Zou C, Xi C, Wu D, Mao J, Liu M, Liu H, Dong C, Du XW. Porous Copper Microspheres for Selective Production of Multicarbon Fuels via CO 2 Electroreduction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1902582. [PMID: 31448555 DOI: 10.1002/smll.201902582] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 08/13/2019] [Indexed: 06/10/2023]
Abstract
The electroreduction of carbon dioxide (CO2 ) toward high-value fuels can reduce the carbon footprint and store intermittent renewable energy. The iodide-ion-assisted synthesis of porous copper (P-Cu) microspheres with a moderate coordination number of 7.7, which is beneficial for the selective electroreduction of CO2 into multicarbon (C2+ ) chemicals is reported. P-Cu delivers a C2+ Faradaic efficiency of 78 ± 1% at a potential of -1.1 V versus a reversible hydrogen electrode, which is 32% higher than that of the compact Cu counterpart and approaches the record (79%) reported in the same cell configuration. In addition, P-Cu shows good stability without performance loss throughout a continuous operation of 10 h.
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Affiliation(s)
- Chengqin Zou
- Institute of New Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Cong Xi
- Institute of New Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Deyao Wu
- Institute of New Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Jing Mao
- Institute of New Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Min Liu
- Institute of Super-Microstructure and Ultrafast Process in Advanced Materials, School of Physics and Electronics, Central South University, 932 South Lushan Road, Changsha, Hunan, 410083, China
| | - Hui Liu
- Institute of New Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Cunku Dong
- Institute of New Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Xi-Wen Du
- Institute of New Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
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103
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Lv J, Fan Q, Wang H, Cheng Y. Polymers for cytosolic protein delivery. Biomaterials 2019; 218:119358. [DOI: 10.1016/j.biomaterials.2019.119358] [Citation(s) in RCA: 130] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 07/11/2019] [Accepted: 07/13/2019] [Indexed: 12/31/2022]
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104
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Carbon dioxide electroreduction to C 2 products over copper-cuprous oxide derived from electrosynthesized copper complex. Nat Commun 2019; 10:3851. [PMID: 31451700 PMCID: PMC6710288 DOI: 10.1038/s41467-019-11599-7] [Citation(s) in RCA: 152] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 07/09/2019] [Indexed: 11/29/2022] Open
Abstract
Efficient electroreduction of carbon dioxide to multicarbon products in aqueous solution is of great importance and challenging. Unfortunately, the low efficiency of the production of C2 products limits implementation at scale. Here, we report reduction of carbon dioxide to C2 products (acetic acid and ethanol) over a 3D dendritic copper-cuprous oxide composite fabricated by in situ reduction of an electrodeposited copper complex. In potassium chloride aqueous electrolyte, the applied potential was as low as −0.4 V vs reversible hydrogen electrode, the overpotential is only 0.53 V (for acetic acid) and 0.48 V (for ethanol) with high C2 Faradaic efficiency of 80% and a current density of 11.5 mA cm−2. The outstanding performance of the electrode for producing the C2 products results mainly from near zero contacting resistance between the electrocatalysts and copper substrate, abundant exposed active sites in the 3D dendritic structure and suitable copper(I)/copper(0) ratio of the electrocatalysts. Electrocatalytic reduction of carbon dioxide is attractive for obtaining multicarbon products, but conversion efficiency is low. Here the authors use copper complex materials for electrochemical reduction of carbon dioxide to ethanol and acetic acid with high efficiencies and activities.
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105
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Jiang Y, Long R, Xiong Y. Regulating C-C coupling in thermocatalytic and electrocatalytic CO x conversion based on surface science. Chem Sci 2019; 10:7310-7326. [PMID: 31768231 PMCID: PMC6839811 DOI: 10.1039/c9sc02014d] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 07/04/2019] [Indexed: 12/17/2022] Open
Abstract
Heterogeneous thermocatalytic and electrocatalytic conversion of CO x including CO and CO2 to value-added products, which can be performed through three promising approaches - syngas conversion, CO2 hydrogenation and CO2 electroreduction, are highly important to achieving a carbon-neutral cycle associated with the continuing consumption of fossil fuels. Toward the formation of value-added C2+ products, precise regulation of C-C coupling requires rational design of catalysts in all the three approaches, which usually share similar fundamentals from the viewpoint of surface science. In this article, we outline the recent advances in catalyst design for controlling C-C coupling in syngas conversion, CO2 hydrogenation and CO2 electroreduction from the viewpoint of surface science. Specifically, the fundamental insights are provided for each conversion approach, which makes a connection between thermocatalysis and electrocatalysis in terms of catalytic site design. Finally, the challenges and opportunities are discussed in the hope of inspiring new ideas to achieve more efficient C-C coupling in thermocatalytic and electrocatalytic CO x conversion.
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Affiliation(s)
- Yawen Jiang
- Hefei National Laboratory for Physical Science at Microscale , Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) , School of Chemistry and Materials Science , National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China .
| | - Ran Long
- Hefei National Laboratory for Physical Science at Microscale , Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) , School of Chemistry and Materials Science , National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China .
| | - Yujie Xiong
- Hefei National Laboratory for Physical Science at Microscale , Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) , School of Chemistry and Materials Science , National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China .
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106
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Torre P, Xiao Q, Buzzacchera I, Sherman SE, Rahimi K, Kostina NY, Rodriguez-Emmenegger C, Möller M, Wilson CJ, Klein ML, Good MC, Percec V. Encapsulation of hydrophobic components in dendrimersomes and decoration of their surface with proteins and nucleic acids. Proc Natl Acad Sci U S A 2019; 116:15378-15385. [PMID: 31308223 PMCID: PMC6681758 DOI: 10.1073/pnas.1904868116] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Reconstructing the functions of living cells using nonnatural components is one of the great challenges of natural sciences. Compartmentalization, encapsulation, and surface decoration of globular assemblies, known as vesicles, represent key early steps in the reconstitution of synthetic cells. Here we report that vesicles self-assembled from amphiphilic Janus dendrimers, called dendrimersomes, encapsulate high concentrations of hydrophobic components and do so more efficiently than commercially available stealth liposomes assembled from phospholipid components. Multilayer onion-like dendrimersomes demonstrate a particularly high capacity for loading low-molecular weight compounds and even folded proteins. Coassembly of amphiphilic Janus dendrimers with metal-chelating ligands conjugated to amphiphilic Janus dendrimers generates dendrimersomes that selectively display folded proteins on their periphery in an oriented manner. A modular strategy for tethering nucleic acids to the surface of dendrimersomes is also demonstrated. These findings augment the functional capabilities of dendrimersomes to serve as versatile biological membrane mimics.
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Affiliation(s)
- Paola Torre
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6058
| | - Qi Xiao
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323
- Institute of Computational Molecular Science, Temple University, Philadelphia, PA 19122
| | - Irene Buzzacchera
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323
- DWI-Leibniz Institute for Interactive Materials, 52074 Aachen, Germany
- NovioSense B.V., 6534 AT Nijmegen, The Netherlands
| | - Samuel E Sherman
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323
| | - Khosrow Rahimi
- DWI-Leibniz Institute for Interactive Materials, 52074 Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074 Aachen, Germany
| | - Nina Yu Kostina
- DWI-Leibniz Institute for Interactive Materials, 52074 Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074 Aachen, Germany
| | - Cesar Rodriguez-Emmenegger
- DWI-Leibniz Institute for Interactive Materials, 52074 Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074 Aachen, Germany
| | - Martin Möller
- DWI-Leibniz Institute for Interactive Materials, 52074 Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074 Aachen, Germany
| | | | - Michael L Klein
- Institute of Computational Molecular Science, Temple University, Philadelphia, PA 19122;
| | - Matthew C Good
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6058;
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104-6321
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323;
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107
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Sebastián‐Pascual P, Mezzavilla S, Stephens IEL, Escudero‐Escribano M. Structure‐Sensitivity and Electrolyte Effects in CO
2
Electroreduction: From Model Studies to Applications. ChemCatChem 2019. [DOI: 10.1002/cctc.201900552] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Paula Sebastián‐Pascual
- Department of ChemistryNano-Science CenterUniversity of Copenhagen Universitetsparken 5 2100 Copenhagen Ø Denmark
| | - Stefano Mezzavilla
- Department of MaterialsImperial College LondonRoyal School of Mines Prince Consort Rd London SW7 2AZ UK
| | - Ifan E. L. Stephens
- Department of MaterialsImperial College LondonRoyal School of Mines Prince Consort Rd London SW7 2AZ UK
| | - María Escudero‐Escribano
- Department of ChemistryNano-Science CenterUniversity of Copenhagen Universitetsparken 5 2100 Copenhagen Ø Denmark
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108
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Dong H, Liu C, Li Y, Jiang DE. Computational screening of M/Cu core/shell nanoparticles and their applications for the electro-chemical reduction of CO 2 and CO. NANOSCALE 2019; 11:11351-11359. [PMID: 31166347 DOI: 10.1039/c9nr01936g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
To improve the catalytic activity of copper nanoparticles (Cu NPs) in the electro-chemical catalysis of the CO2 reduction reactions (CO2RRs), the formation and use of core/shell nanoparticles (CSNPs) with Cu as the shell composite may be an effective way. Using Cu79 NP as the representative, we performed computational screening and confirmed four Mx@Cu79-x CSNPs that can stably exist. Then, the catalytic performance of the screened CSNPs was tested through first-principles calculations. The free energy profiles indicate that Fe19@Cu60 is more desirable for CO2RR catalysis due to its high selectivity for CO rather than HCOOH at a low potential. Moreover, when it electro-catalyzes CO2 into CH4, the Fe19@Cu60 CSNP exhibits much lower limiting potential (-0.58 V) compared with pure Cu79 NP (-0.86 V) or the Cu (211) surface (-0.70 V). Taking the cost into consideration, the Fe19@Cu60 CSNP is highly recommended as a promising electro-catalyst for CO2RRs. In addition, when CO is taken as the initial reactant to be reduced, all the screened CSNPs exhibit lower limiting potentials than Cu79 NP. From the view of material design, the significant weakening of CO binding originating from the change in the d-band center could be the reason why the formation of a core/shell structure will enhance the catalytic performance of Cu NPs in CO reduction.
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Affiliation(s)
- Huilong Dong
- School of Chemistry and Materials Engineering, Changshu Institute of Technology, Changshu, Jiangsu 215500, China.
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109
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Dramatic differences in carbon dioxide adsorption and initial steps of reduction between silver and copper. Nat Commun 2019; 10:1875. [PMID: 31015453 PMCID: PMC6478877 DOI: 10.1038/s41467-019-09846-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Accepted: 03/27/2019] [Indexed: 12/02/2022] Open
Abstract
Converting carbon dioxide (CO2) into liquid fuels and synthesis gas is a world-wide priority. But there is no experimental information on the initial atomic level events for CO2 electroreduction on the metal catalysts to provide the basis for developing improved catalysts. Here we combine ambient pressure X-ray photoelectron spectroscopy with quantum mechanics to examine the processes as Ag is exposed to CO2 both alone and in the presence of H2O at 298 K. We find that CO2 reacts with surface O on Ag to form a chemisorbed species (O = CO2δ−). Adding H2O and CO2 then leads to up to four water attaching on O = CO2δ− and two water attaching on chemisorbed (b-)CO2. On Ag we find a much more favorable mechanism involving the O = CO2δ− compared to that involving b-CO2 on Cu. Each metal surface modifies the gas-catalyst interactions, providing a basis for tuning CO2 adsorption behavior to facilitate selective product formations. The recycling of CO2 into storable chemicals is critical in order to mitigate climate change, although CO2’s inert nature has limited the reduction’s mechanistic considerations. Here, authors pair in-situ spectroscopy with quantum mechanics to elucidate CO2 adsorption on copper and silver surfaces.
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110
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Supramolecular redox-responsive substrate carrier activity of a ferrocenyl Janus device. J Inorg Biochem 2019; 193:31-41. [DOI: 10.1016/j.jinorgbio.2018.12.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/28/2018] [Accepted: 12/30/2018] [Indexed: 12/15/2022]
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111
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Lee CW, Kim C, Min BK. Theoretical insights into selective electrochemical conversion of carbon dioxide. NANO CONVERGENCE 2019; 6:8. [PMID: 30859347 PMCID: PMC6411787 DOI: 10.1186/s40580-019-0177-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 02/22/2019] [Indexed: 05/28/2023]
Abstract
Electrochemical conversion of CO2 and water to valuable chemicals and fuels is one of the promising alternatives to replace fossil fuel-based processes in realizing a carbon-neutral cycle. For practical application of such technologies, suppressing hydrogen evolution reaction and facilitating the activation of stable CO2 molecules still remain major challenges. Furthermore, high production selectivity toward high-value chemicals such as ethylene, ethanol, and even n-propanol is also not easy task to achieve. To settle these challenges, deeper understanding on underlying basis of reactions such as how intermediate binding affinities can be engineered at catalyst surfaces need to be discussed. In this review, we briefly outline recent strategies to modulate the binding energies of key intermediates for CO2 reduction reactions, based on theoretical insights from density functional theory calculation studies. In addition, important design principles of catalysts and electrolytes are also provided, which would contribute to the development of highly active catalysts for CO2 electroreduction.
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Affiliation(s)
- Chan Woo Lee
- Clean Energy Research Center, Korea Institute Science and Technology, Seoul, 02792 Republic of Korea
- Department of Applied Chemistry, Kookmin University, Seoul, 02707 Republic of Korea
| | - Chanyeon Kim
- Clean Energy Research Center, Korea Institute Science and Technology, Seoul, 02792 Republic of Korea
| | - Byoung Koun Min
- Clean Energy Research Center, Korea Institute Science and Technology, Seoul, 02792 Republic of Korea
- Green School, Korea University, Seoul, 02841 Republic of Korea
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112
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Gao D, Arán-Ais RM, Jeon HS, Roldan Cuenya B. Rational catalyst and electrolyte design for CO2 electroreduction towards multicarbon products. Nat Catal 2019. [DOI: 10.1038/s41929-019-0235-5] [Citation(s) in RCA: 562] [Impact Index Per Article: 112.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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113
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Abstract
Self-assembling dendrimers have facilitated the discovery of periodic and quasiperiodic arrays of supramolecular architectures and the diverse functions derived from them. Examples are liquid quasicrystals and their approximants plus helical columns and spheres, including some that disregard chirality. The same periodic and quasiperiodic arrays were subsequently found in block copolymers, surfactants, lipids, glycolipids, and other complex molecules. Here we report the discovery of lamellar and hexagonal periodic arrays on the surface of vesicles generated from sequence-defined bicomponent monodisperse oligomers containing lipid and glycolipid mimics. These vesicles, known as glycodendrimersomes, act as cell-membrane mimics with hierarchical morphologies resembling bicomponent rafts. These nanosegregated morphologies diminish sugar-sugar interactions enabling stronger binding to sugar-binding proteins than densely packed arrangements of sugars. Importantly, this provides a mechanism to encode the reactivity of sugars via their interaction with sugar-binding proteins. The observed sugar phase-separated hierarchical arrays with lamellar and hexagonal morphologies that encode biological recognition are among the most complex architectures yet discovered in soft matter. The enhanced reactivity of the sugar displays likely has applications in material science and nanomedicine, with potential to evolve into related technologies.
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114
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Cloride-derived copper electrode for efficient electrochemical reduction of CO2 to ethylene. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2018.07.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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115
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Copper atom-pair catalyst anchored on alloy nanowires for selective and efficient electrochemical reduction of CO2. Nat Chem 2019; 11:222-228. [DOI: 10.1038/s41557-018-0201-x] [Citation(s) in RCA: 379] [Impact Index Per Article: 75.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 12/05/2018] [Indexed: 12/16/2022]
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116
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Yang YL, Sheng YJ, Tsao HK. Bilayered membranes of Janus dendrimers with hybrid hydrogenated and fluorinated dendrons: microstructures and coassembly with lipids. Phys Chem Chem Phys 2019; 21:15400-15407. [DOI: 10.1039/c9cp01635j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A biomimetic membrane formed by hybrid Janus dendrimers (JDs) which contain hydrogenated and fluorinated dendrons was explored by dissipative particle dynamics simulations.
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Affiliation(s)
- Yan-Ling Yang
- Department of Chemical Engineering
- National Taiwan University
- Taipei 106
- Taiwan
| | - Yu-Jane Sheng
- Department of Chemical Engineering
- National Taiwan University
- Taipei 106
- Taiwan
| | - Heng-Kwong Tsao
- Department of Chemical and Materials Engineering
- National Central University
- Jhongli 320
- Taiwan
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117
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Abstract
Density functional theory calculations are used to investigate CO adsorption, dissociation and SnOX formation on Pt3Sn.
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Affiliation(s)
- Matthias Vandichel
- Department of Physics and Competence Centre for Catalysis
- Chalmers University of Technology
- 412 96 Göteborg
- Sweden
| | - Henrik Grönbeck
- Department of Physics and Competence Centre for Catalysis
- Chalmers University of Technology
- 412 96 Göteborg
- Sweden
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118
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Bioactive cell-like hybrids from dendrimersomes with a human cell membrane and its components. Proc Natl Acad Sci U S A 2018; 116:744-752. [PMID: 30591566 PMCID: PMC6338876 DOI: 10.1073/pnas.1811307116] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Cell-like hybrids from natural and synthetic amphiphiles provide a platform to engineer functions of synthetic cells and protocells. Cell membranes and vesicles prepared from human cell membranes are relatively unstable in vitro and therefore are difficult to study. The thicknesses of biological membranes and vesicles self-assembled from amphiphilic Janus dendrimers, known as dendrimersomes, are comparable. This feature facilitated the coassembly of functional cell-like hybrid vesicles from giant dendrimersomes and bacterial membrane vesicles generated from the very stable bacterial Escherichia coli cell after enzymatic degradation of its outer membrane. Human cells are fragile and require only mild centrifugation to be dismantled and subsequently reconstituted into vesicles. Here we report the coassembly of human membrane vesicles with dendrimersomes. The resulting giant hybrid vesicles containing human cell membranes, their components, and Janus dendrimers are stable for at least 1 y. To demonstrate the utility of cell-like hybrid vesicles, hybrids from dendrimersomes and bacterial membrane vesicles containing YadA, a bacterial adhesin protein, were prepared. The latter cell-like hybrids were recognized by human cells, allowing for adhesion and entry of the hybrid bacterial vesicles into human cells in vitro.
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119
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Understanding heterogeneous electrocatalytic carbon dioxide reduction through operando techniques. Nat Catal 2018. [DOI: 10.1038/s41929-018-0182-6] [Citation(s) in RCA: 339] [Impact Index Per Article: 56.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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120
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Buzzacchera I, Xiao Q, Han H, Rahimi K, Li S, Kostina NY, Toebes BJ, Wilner SE, Möller M, Rodriguez-Emmenegger C, Baumgart T, Wilson DA, Wilson CJ, Klein ML, Percec V. Screening Libraries of Amphiphilic Janus Dendrimers Based on Natural Phenolic Acids to Discover Monodisperse Unilamellar Dendrimersomes. Biomacromolecules 2018; 20:712-727. [PMID: 30354069 DOI: 10.1021/acs.biomac.8b01405] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Natural, including plant, and synthetic phenolic acids are employed as building blocks for the synthesis of constitutional isomeric libraries of self-assembling dendrons and dendrimers that are the simplest examples of programmed synthetic macromolecules. Amphiphilic Janus dendrimers are synthesized from a diversity of building blocks including natural phenolic acids. They self-assemble in water or buffer into vesicular dendrimersomes employed as biological membrane mimics, hybrid and synthetic cells. These dendrimersomes are predominantly uni- or multilamellar vesicles with size and polydispersity that is predicted by their primary structure. However, in numerous cases, unilamellar dendrimersomes completely free of multilamellar assemblies are desirable. Here, we report the synthesis and structural analysis of a library containing 13 amphiphilic Janus dendrimers containing linear and branched alkyl chains on their hydrophobic part. They were prepared by an optimized iterative modular synthesis starting from natural phenolic acids. Monodisperse dendrimersomes were prepared by injection and giant polydisperse by hydration. Both were structurally characterized to select the molecular design principles that provide unilamellar dendrimersomes in higher yields and shorter reaction times than under previously used reaction conditions. These dendrimersomes are expected to provide important tools for synthetic cell biology, encapsulation, and delivery.
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Affiliation(s)
- Irene Buzzacchera
- Roy & Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104-6323 , United States.,DWI-Leibniz Institute for Interactive Materials , RWTH Aachen University , 52074 Aachen , Germany.,NovioSense B.V. , Transistorweg 5 , 6534 AT Nijmegen , The Netherlands
| | - Qi Xiao
- Roy & Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104-6323 , United States.,Institute of Computational Molecular Science , Temple University , Philadelphia , Pennsylvania 19122 , United States
| | - Hong Han
- Roy & Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104-6323 , United States
| | - Khosrow Rahimi
- DWI-Leibniz Institute for Interactive Materials , RWTH Aachen University , 52074 Aachen , Germany.,Institute of Technical and Macromolecular Chemistry , RWTH Aachen University , 52074 Aachen , Germany
| | - Shangda Li
- Roy & Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104-6323 , United States
| | - Nina Yu Kostina
- DWI-Leibniz Institute for Interactive Materials , RWTH Aachen University , 52074 Aachen , Germany.,Institute of Technical and Macromolecular Chemistry , RWTH Aachen University , 52074 Aachen , Germany
| | - B Jelle Toebes
- Institute of Molecules and Materials , Radboud University , Heyendaalseweg 135 , 6525 AJ Nijmegen , The Netherlands
| | - Samantha E Wilner
- Roy & Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104-6323 , United States
| | - Martin Möller
- DWI-Leibniz Institute for Interactive Materials , RWTH Aachen University , 52074 Aachen , Germany.,Institute of Technical and Macromolecular Chemistry , RWTH Aachen University , 52074 Aachen , Germany
| | - Cesar Rodriguez-Emmenegger
- DWI-Leibniz Institute for Interactive Materials , RWTH Aachen University , 52074 Aachen , Germany.,Institute of Technical and Macromolecular Chemistry , RWTH Aachen University , 52074 Aachen , Germany
| | - Tobias Baumgart
- Roy & Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104-6323 , United States
| | - Daniela A Wilson
- Institute of Molecules and Materials , Radboud University , Heyendaalseweg 135 , 6525 AJ Nijmegen , The Netherlands
| | | | - Michael L Klein
- Institute of Computational Molecular Science , Temple University , Philadelphia , Pennsylvania 19122 , United States
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104-6323 , United States
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121
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Lv J, He B, Yu J, Wang Y, Wang C, Zhang S, Wang H, Hu J, Zhang Q, Cheng Y. Fluoropolymers for intracellular and in vivo protein delivery. Biomaterials 2018; 182:167-175. [DOI: 10.1016/j.biomaterials.2018.08.023] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/26/2018] [Accepted: 08/07/2018] [Indexed: 01/31/2023]
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122
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Zhuang TT, Pang Y, Liang ZQ, Wang Z, Li Y, Tan CS, Li J, Dinh CT, De Luna P, Hsieh PL, Burdyny T, Li HH, Liu M, Wang Y, Li F, Proppe A, Johnston A, Nam DH, Wu ZY, Zheng YR, Ip AH, Tan H, Chen LJ, Yu SH, Kelley SO, Sinton D, Sargent EH. Copper nanocavities confine intermediates for efficient electrosynthesis of C3 alcohol fuels from carbon monoxide. Nat Catal 2018. [DOI: 10.1038/s41929-018-0168-4] [Citation(s) in RCA: 230] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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123
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Klingan K, Kottakkat T, Jovanov ZP, Jiang S, Pasquini C, Scholten F, Kubella P, Bergmann A, Roldan Cuenya B, Roth C, Dau H. Reactivity Determinants in Electrodeposited Cu Foams for Electrochemical CO 2 Reduction. CHEMSUSCHEM 2018; 11:3449-3459. [PMID: 30160827 DOI: 10.1002/cssc.201801582] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Indexed: 06/08/2023]
Abstract
CO2 reduction is of significant interest for the production of nonfossil fuels. The reactivity of eight Cu foams with substantially different morphologies was comprehensively investigated by analysis of the product spectrum and in situ electrochemical spectroscopies (X-ray absorption near edge structure, extended X-ray absorption fine structure, X-ray photoelectron spectroscopy, and Raman spectroscopy). The approach provided new insight into the reactivity determinants: The morphology, stable Cu oxide phases, and *CO poisoning of the H2 formation reaction are not decisive; the electrochemically active surface area influences the reactivity trends; macroscopic diffusion limits the proton supply, resulting in pronounced alkalization at the CuCat surfaces (operando Raman spectroscopy). H2 and CH4 formation was suppressed by macroscopic buffer alkalization, whereas CO and C2 H4 formation still proceeded through a largely pH-independent mechanism. C2 H4 was formed from two CO precursor species, namely adsorbed *CO and dissolved CO present in the foam cavities.
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Affiliation(s)
- Katharina Klingan
- Department of Physics, Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany
| | - Tintula Kottakkat
- Department of Chemistry, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany
| | - Zarko P Jovanov
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni, 10623, Berlin, Germany
| | - Shan Jiang
- Department of Physics, Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany
| | - Chiara Pasquini
- Department of Physics, Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany
| | - Fabian Scholten
- Department of Physics, Ruhr University Bochum, Universitätstraße 150, 44801, Bochum, Germany
| | - Paul Kubella
- Department of Physics, Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany
| | - Arno Bergmann
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni, 10623, Berlin, Germany
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, Faradayweg 4-6, 14195, Berlin, Germany
| | - Beatriz Roldan Cuenya
- Department of Physics, Ruhr University Bochum, Universitätstraße 150, 44801, Bochum, Germany
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, Faradayweg 4-6, 14195, Berlin, Germany
| | - Christina Roth
- Department of Chemistry, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany
| | - Holger Dau
- Department of Physics, Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany
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124
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Lee CW, Yang KD, Nam DH, Jang JH, Cho NH, Im SW, Nam KT. Defining a Materials Database for the Design of Copper Binary Alloy Catalysts for Electrochemical CO 2 Conversion. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1704717. [PMID: 29363204 DOI: 10.1002/adma.201704717] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 10/16/2017] [Indexed: 06/07/2023]
Abstract
While Cu electrodes are a versatile material in the electrochemical production of desired hydrocarbon fuels, Cu binary alloy electrodes are recently proposed to further tune reaction directionality and, more importantly, overcome the intrinsic limitation of scaling relations. Despite encouraging empirical demonstrations of various Cu-based metal alloy systems, the underlying principles of their outstanding performance are not fully addressed. In particular, possible phase segregation with concurrent composition changes, which is widely observed in the field of metallurgy, is not at all considered. Moreover, surface-exposed metals can easily form oxide species, which is another pivotal factor that determines overall catalytic properties. Here, the understanding of Cu binary alloy catalysts for CO2 reduction and recent progress in this field are discussed. From the viewpoint of the thermodynamic stability of the alloy system and elemental mixing, possible microstructures and naturally generated surface oxide species are proposed. These basic principles of material science can help to predict and understand metal alloy structure and, moreover, act as an inspiration for the development of new binary alloy catalysts to further improve CO2 conversion and, ultimately, achieve a carbon-neutral cycle.
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Affiliation(s)
- Chan Woo Lee
- Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - Ki Dong Yang
- Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Dae-Hyun Nam
- Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Jun Ho Jang
- Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Nam Heon Cho
- Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Sang Won Im
- Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Ki Tae Nam
- Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
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125
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Huang Y, Ong CW, Yeo BS. Effects of Electrolyte Anions on the Reduction of Carbon Dioxide to Ethylene and Ethanol on Copper (100) and (111) Surfaces. CHEMSUSCHEM 2018; 11:3299-3306. [PMID: 29943482 DOI: 10.1002/cssc.201801078] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 06/25/2018] [Indexed: 05/03/2023]
Abstract
The CO2 electroreduction reaction has been investigated on Cu(100) and Cu(111) surfaces in 0.1 m aqueous solutions of KClO4 , KCl, KBr, and KI electrolyte. The formation of ethylene and ethanol on these surfaces generally increased as the electrolyte anion was changed from ClO4- →Cl- →Br- →I- . For example, on Cu(100) at -1.23 V versus RHE, as the electrolyte anion changed from ClO4- to I- , the faradaic efficiency (FE) of ethylene formation increased from 31 to 50 %, FEethanol increased from 7 to 16 %, and the associated current densities increased five- and sevenfold, respectively. A remarkable total FE of up to 74 % for C2 and C3 products was obtained in the presence of KI. Despite surface roughening in the presence of the electrolytes, the Cu(100) electrode still enhanced the formation of C2 compounds better than Cu(111). The favorable reduction of CO2 to C2 products in KI electrolyte was correlated with a higher *CO population on the surface, as shown using linear sweep voltammetry. In situ Raman spectroscopy indicated that the coordination environment of *CO was altered by the used electrolyte anion. Thus, apart from affecting the morphology of the electrode and local pH value, we propose that the anion plays a critical role in enhancing the formation of C2 products by tuning the coordination environment of adsorbed *CO, which gives rise to more efficient C-C coupling.
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Affiliation(s)
- Yun Huang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Cheng Wai Ong
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Boon Siang Yeo
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
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126
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Copper-on-nitride enhances the stable electrosynthesis of multi-carbon products from CO 2. Nat Commun 2018; 9:3828. [PMID: 30237471 PMCID: PMC6148248 DOI: 10.1038/s41467-018-06311-0] [Citation(s) in RCA: 158] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 08/29/2018] [Indexed: 11/08/2022] Open
Abstract
Copper-based materials are promising electrocatalysts for CO2 reduction. Prior studies show that the mixture of copper (I) and copper (0) at the catalyst surface enhances multi-carbon products from CO2 reduction; however, the stable presence of copper (I) remains the subject of debate. Here we report a copper on copper (I) composite that stabilizes copper (I) during CO2 reduction through the use of copper nitride as an underlying copper (I) species. We synthesize a copper-on-nitride catalyst that exhibits a Faradaic efficiency of 64 ± 2% for C2+ products. We achieve a 40-fold enhancement in the ratio of C2+ to the competing CH4 compared to the case of pure copper. We further show that the copper-on-nitride catalyst performs stable CO2 reduction over 30 h. Mechanistic studies suggest that the use of copper nitride contributes to reducing the CO dimerization energy barrier-a rate-limiting step in CO2 reduction to multi-carbon products.
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127
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Cao Z, Zacate SB, Sun X, Liu J, Hale EM, Carson WP, Tyndall SB, Xu J, Liu X, Liu X, Song C, Luo JH, Cheng MJ, Wen X, Liu W. Tuning Gold Nanoparticles with Chelating Ligands for Highly Efficient Electrocatalytic CO2
Reduction. Angew Chem Int Ed Engl 2018; 57:12675-12679. [DOI: 10.1002/anie.201805696] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 07/16/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Zhi Cao
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
- Department of Chemistry; University of California, Berkeley; Berkeley CA 94720 USA
| | - Samson B. Zacate
- Department of Chemistry and Biochemistry, Miami University; Oxford OH 45056 USA
| | - Xiaodong Sun
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Jinjia Liu
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Elizabeth M. Hale
- Department of Chemistry and Biochemistry, Miami University; Oxford OH 45056 USA
| | - William P. Carson
- Department of Chemistry and Biochemistry, Miami University; Oxford OH 45056 USA
| | - Sam B. Tyndall
- Department of Chemistry and Biochemistry, Miami University; Oxford OH 45056 USA
| | - Jun Xu
- Department of Chemistry; University of California, Berkeley; Berkeley CA 94720 USA
| | - Xingwu Liu
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Xingchen Liu
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Chang Song
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Jheng-hua Luo
- Department of Chemistry; National Cheng Kung University; Tainan 701 Taiwan
| | - Mu-Jeng Cheng
- Department of Chemistry; National Cheng Kung University; Tainan 701 Taiwan
| | - Xiaodong Wen
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Wei Liu
- Department of Chemistry and Biochemistry, Miami University; Oxford OH 45056 USA
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128
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Cao Z, Zacate SB, Sun X, Liu J, Hale EM, Carson WP, Tyndall SB, Xu J, Liu X, Liu X, Song C, Luo JH, Cheng MJ, Wen X, Liu W. Tuning Gold Nanoparticles with Chelating Ligands for Highly Efficient Electrocatalytic CO2
Reduction. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805696] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Zhi Cao
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
- Department of Chemistry; University of California, Berkeley; Berkeley CA 94720 USA
| | - Samson B. Zacate
- Department of Chemistry and Biochemistry, Miami University; Oxford OH 45056 USA
| | - Xiaodong Sun
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Jinjia Liu
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Elizabeth M. Hale
- Department of Chemistry and Biochemistry, Miami University; Oxford OH 45056 USA
| | - William P. Carson
- Department of Chemistry and Biochemistry, Miami University; Oxford OH 45056 USA
| | - Sam B. Tyndall
- Department of Chemistry and Biochemistry, Miami University; Oxford OH 45056 USA
| | - Jun Xu
- Department of Chemistry; University of California, Berkeley; Berkeley CA 94720 USA
| | - Xingwu Liu
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Xingchen Liu
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Chang Song
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Jheng-hua Luo
- Department of Chemistry; National Cheng Kung University; Tainan 701 Taiwan
| | - Mu-Jeng Cheng
- Department of Chemistry; National Cheng Kung University; Tainan 701 Taiwan
| | - Xiaodong Wen
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 P.R.China
- National Energy Center for Coal to Liquids; Synfuels China Technology Co., Ltd; Beijing 101400 P.R.China
| | - Wei Liu
- Department of Chemistry and Biochemistry, Miami University; Oxford OH 45056 USA
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129
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Zhou Y, Che F, Liu M, Zou C, Liang Z, De Luna P, Yuan H, Li J, Wang Z, Xie H, Li H, Chen P, Bladt E, Quintero-Bermudez R, Sham TK, Bals S, Hofkens J, Sinton D, Chen G, Sargent EH. Dopant-induced electron localization drives CO 2 reduction to C 2 hydrocarbons. Nat Chem 2018; 10:974-980. [PMID: 30013194 DOI: 10.1038/s41557-018-0092-x] [Citation(s) in RCA: 428] [Impact Index Per Article: 71.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 05/29/2018] [Indexed: 12/11/2022]
Abstract
The electrochemical reduction of CO2 to multi-carbon products has attracted much attention because it provides an avenue to the synthesis of value-added carbon-based fuels and feedstocks using renewable electricity. Unfortunately, the efficiency of CO2 conversion to C2 products remains below that necessary for its implementation at scale. Modifying the local electronic structure of copper with positive valence sites has been predicted to boost conversion to C2 products. Here, we use boron to tune the ratio of Cuδ+ to Cu0 active sites and improve both stability and C2-product generation. Simulations show that the ability to tune the average oxidation state of copper enables control over CO adsorption and dimerization, and makes it possible to implement a preference for the electrosynthesis of C2 products. We report experimentally a C2 Faradaic efficiency of 79 ± 2% on boron-doped copper catalysts and further show that boron doping leads to catalysts that are stable for in excess of ~40 hours while electrochemically reducing CO2 to multi-carbon hydrocarbons.
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Affiliation(s)
- Yansong Zhou
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada.,MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, China
| | - Fanglin Che
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Min Liu
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada.,Institute of Super-Microstructure and Ultrafast Process in Advanced Materials, School of Physics and Electronics, Central South University, Changsha, China.,State Key Laboratory of Power Metallurgy, Central South University, Changsha, China
| | - Chengqin Zou
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Zhiqin Liang
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Phil De Luna
- Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Haifeng Yuan
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada.,Department of Chemistry, KU Leuven, Leuven, Belgium
| | - Jun Li
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada.,Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Zhiqiang Wang
- Department of Chemistry, University of Western Ontario, London, Ontario, Canada
| | - Haipeng Xie
- Institute of Super-Microstructure and Ultrafast Process in Advanced Materials, School of Physics and Electronics, Central South University, Changsha, China
| | - Hongmei Li
- Institute of Super-Microstructure and Ultrafast Process in Advanced Materials, School of Physics and Electronics, Central South University, Changsha, China
| | - Peining Chen
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Eva Bladt
- EMAT, University of Antwerp, Antwerp, Belgium
| | - Rafael Quintero-Bermudez
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Tsun-Kong Sham
- Department of Chemistry, University of Western Ontario, London, Ontario, Canada
| | - Sara Bals
- EMAT, University of Antwerp, Antwerp, Belgium
| | | | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Gang Chen
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, China.
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada.
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130
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Steering post-C–C coupling selectivity enables high efficiency electroreduction of carbon dioxide to multi-carbon alcohols. Nat Catal 2018. [DOI: 10.1038/s41929-018-0084-7] [Citation(s) in RCA: 371] [Impact Index Per Article: 61.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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131
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Wilner SE, Xiao Q, Graber ZT, Sherman SE, Percec V, Baumgart T. Dendrimersomes Exhibit Lamellar-to-Sponge Phase Transitions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:5527-5534. [PMID: 29660277 PMCID: PMC6010174 DOI: 10.1021/acs.langmuir.8b00275] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Lamellar to nonlamellar membrane shape transitions play essential roles in key cellular processes, such as membrane fusion and fission, and occur in response to external stimuli, including drug treatment and heat. A subset of these transitions can be modeled by means of thermally inducible amphiphile assemblies. We previously reported on mixtures of hydrogenated, fluorinated, and hybrid Janus dendrimers (JDs) that self-assemble into complex dendrimersomes (DMSs), including dumbbells, and serve as promising models for understanding the complexity of biological membranes. Here we show, by means of a variety of complementary techniques, that DMSs formed by single JDs or by mixtures of JDs undergo a thermally induced lamellar-to-sponge transition. Consistent with the formation of a three-dimensional bilayer network, we show that DMSs become more permeable to water-soluble fluorophores after transitioning to the sponge phase. These DMSs may be useful not only in modeling isotropic membrane rearrangements of biological systems but also in drug delivery since nonlamellar delivery vehicles can promote endosomal disruption and cargo release.
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Affiliation(s)
- Samantha E. Wilner
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Qi Xiao
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Zachary T. Graber
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Samuel E. Sherman
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Virgil Percec
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Tobias Baumgart
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
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132
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Grosse P, Gao D, Scholten F, Sinev I, Mistry H, Roldan Cuenya B. Dynamic Changes in the Structure, Chemical State and Catalytic Selectivity of Cu Nanocubes during CO
2
Electroreduction: Size and Support Effects. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802083] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Philipp Grosse
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
| | - Dunfeng Gao
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
| | - Fabian Scholten
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
| | - Ilya Sinev
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
| | - Hemma Mistry
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
- Department of Physics University of Central Florida Orlando FL 32816 USA
| | - Beatriz Roldan Cuenya
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
- Department of Physics University of Central Florida Orlando FL 32816 USA
- Department of Interface Science Fritz-Haber Institute of the Max Planck Society 14195 Berlin Germany
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133
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Grosse P, Gao D, Scholten F, Sinev I, Mistry H, Roldan Cuenya B. Dynamic Changes in the Structure, Chemical State and Catalytic Selectivity of Cu Nanocubes during CO
2
Electroreduction: Size and Support Effects. Angew Chem Int Ed Engl 2018; 57:6192-6197. [DOI: 10.1002/anie.201802083] [Citation(s) in RCA: 209] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Philipp Grosse
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
| | - Dunfeng Gao
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
| | - Fabian Scholten
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
| | - Ilya Sinev
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
| | - Hemma Mistry
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
- Department of Physics University of Central Florida Orlando FL 32816 USA
| | - Beatriz Roldan Cuenya
- Department of Physics Ruhr-University Bochum 44780 Bochum Germany
- Department of Physics University of Central Florida Orlando FL 32816 USA
- Department of Interface Science Fritz-Haber Institute of the Max Planck Society 14195 Berlin Germany
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134
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The fluorination effect of fluoroamphiphiles in cytosolic protein delivery. Nat Commun 2018; 9:1377. [PMID: 29636457 PMCID: PMC5893556 DOI: 10.1038/s41467-018-03779-8] [Citation(s) in RCA: 199] [Impact Index Per Article: 33.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Accepted: 03/08/2018] [Indexed: 11/18/2022] Open
Abstract
Direct delivery of proteins into cells avoids many drawbacks of gene delivery, and thus has emerging applications in biotherapy. However, it remains a challenging task owing to limited charges and relatively large size of proteins. Here, we report an efficient protein delivery system via the co-assembly of fluoroamphiphiles and proteins into nanoparticles. Fluorous substituents on the amphiphiles play essential roles in the formation of uniform nanoparticles, avoiding protein denaturation, efficient endocytosis, and maintaining low cytotoxicity. Structure-activity relationship studies reveal that longer fluorous chain length and higher fluorination degree contribute to more efficient protein delivery, but excess fluorophilicity on the polymer leads to the pre-assembly of fluoroamphiphiles into stable vesicles, and thus failed protein encapsulation and cytosolic delivery. This study highlights the advantage of fluoroamphiphiles over other existing strategies for intracellular protein delivery. Proteins can serve as means of medical treatment, but their efficient delivery to cells is difficult. Here, the authors present a type of polymers, fluoroamphiphiles, acting as chemical chaperones that can facilitate the import of proteins into the inner compartment, i.e. cytosol, of cells.
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Tian Z, Priest C, Chen L. Recent Progress in the Theoretical Investigation of Electrocatalytic Reduction of CO2. ADVANCED THEORY AND SIMULATIONS 2018. [DOI: 10.1002/adts.201800004] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Ziqi Tian
- Ningbo Institute of Materials Technology & Engineering; Chinese Academy of Sciences; 1219 Zhongguan West Road, Zhenhai District Ningbo 315201 P.R. China
| | - Chad Priest
- Department of Chemistry; University of California, Riverside; CA 92521 USA
| | - Liang Chen
- Ningbo Institute of Materials Technology & Engineering; Chinese Academy of Sciences; 1219 Zhongguan West Road, Zhenhai District Ningbo 315201 P.R. China
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Gade M, Alex C, Leviatan Ben-Arye S, Monteiro JT, Yehuda S, Lepenies B, Padler-Karavani V, Kikkeri R. Microarray Analysis of Oligosaccharide-Mediated Multivalent Carbohydrate-Protein Interactions and Their Heterogeneity. Chembiochem 2018; 19:10.1002/cbic.201800037. [PMID: 29575424 PMCID: PMC6949124 DOI: 10.1002/cbic.201800037] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Indexed: 01/06/2023]
Abstract
Carbohydrate-protein interactions (CPIs) are involved in a wide range of biological phenomena. Hence, the characterization and presentation of carbohydrate epitopes that closely mimic the natural environment is one of the long-term goals of glycosciences. Inspired by the multivalency, heterogeneity and nature of carbohydrate ligand-mediated interactions, we constructed a combinatorial library of mannose and galactose homo- and hetero-glycodendrons to study CPIs. Microarray analysis of these glycodendrons with a wide range of biologically important plant and animal lectins revealed that oligosaccharide structures and heterogeneity interact with each other to alter binding preferences.
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Affiliation(s)
- Madhuri Gade
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008 (India)
| | - Catherine Alex
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008 (India)
| | - Shani Leviatan Ben-Arye
- Tel-Aviv University, Department of Cell Research and Immunology, The George S. Wise Faculty of Life Sciences, Tel-Aviv 69978 (Israel)
| | - João T. Monteiro
- University of Veterinary Medicine Hannover, Immunology Unit & Research Center for Emerging Infections and Zoonoses, Bünteweg 17, 30559 Hannover (Germany)
| | - Sharon Yehuda
- Tel-Aviv University, Department of Cell Research and Immunology, The George S. Wise Faculty of Life Sciences, Tel-Aviv 69978 (Israel)
| | - Bernd Lepenies
- University of Veterinary Medicine Hannover, Immunology Unit & Research Center for Emerging Infections and Zoonoses, Bünteweg 17, 30559 Hannover (Germany)
| | - Vered Padler-Karavani
- Tel-Aviv University, Department of Cell Research and Immunology, The George S. Wise Faculty of Life Sciences, Tel-Aviv 69978 (Israel)
| | - Raghavendra Kikkeri
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008 (India)
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138
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Exploring functional pairing between surface glycoconjugates and human galectins using programmable glycodendrimersomes. Proc Natl Acad Sci U S A 2018; 115:E2509-E2518. [PMID: 29382751 PMCID: PMC5856548 DOI: 10.1073/pnas.1720055115] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Cells are decorated with charged and uncharged carbohydrate ligands known as glycans, which are responsible for several key functions, including their interactions with proteins known as lectins. Here, a platform consisting of synthetic nanoscale vesicles, known as glycodendrimersomes, which can be programmed with cell surface-like structural and topological complexity, is employed to dissect design aspects of glycan presentation, with specificity for lectin-mediated bridging. Aggregation assays reveal the extent of cross-linking of these biomimetic nanoscale vesicles—presenting both anionic and neutral ligands in a bioactive manner—with disease-related human and other galectins, thus offering the possibility of unraveling the nature of these fundamental interactions. Precise translation of glycan-encoded information into cellular activity depends critically on highly specific functional pairing between glycans and their human lectin counter receptors. Sulfoglycolipids, such as sulfatides, are important glycolipid components of the biological membranes found in the nervous and immune systems. The optimal molecular and spatial design aspects of sulfated and nonsulfated glycans with high specificity for lectin-mediated bridging are unknown. To elucidate how different molecular and spatial aspects combine to ensure the high specificity of lectin-mediated bridging, a bottom-up toolbox is devised. To this end, negatively surface-charged glycodendrimersomes (GDSs), of different nanoscale dimensions, containing sulfo-lactose groups are self-assembled in buffer from a synthetic sulfatide mimic: Janus glycodendrimer (JGD) containing a 3′-O-sulfo-lactose headgroup. Also prepared for comparative analysis are GDSs with nonsulfated lactose, a common epitope of human membranes. These self-assembled GDSs are employed in aggregation assays with 15 galectins, comprising disease-related human galectins, and other natural and engineered variants from four families, having homodimeric, heterodimeric, and chimera architectures. There are pronounced differences in aggregation capacity between human homodimeric and heterodimeric galectins, and also with respect to their responsiveness to the charge of carbohydrate-derived ligand. Assays reveal strong differential impact of ligand surface charge and density, as well as lectin concentration and structure, on the extent of surface cross-linking. These findings demonstrate how synthetic JGD-headgroup tailoring teamed with protein engineering and network assays can help explain how molecular matchmaking operates in the cellular context of glycan and lectin complexity.
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139
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Catalyst electro-redeposition controls morphology and oxidation state for selective carbon dioxide reduction. Nat Catal 2018. [DOI: 10.1038/s41929-017-0018-9] [Citation(s) in RCA: 526] [Impact Index Per Article: 87.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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140
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Yang YL, Sheng YJ, Tsao HK. Branching pattern effect and co-assembly with lipids of amphiphilic Janus dendrimersomes. Phys Chem Chem Phys 2018; 20:27305-27313. [DOI: 10.1039/c8cp05268a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The influence of the branching patterns on the membrane properties of Janus dendrimers in water has been investigated by dissipative particle dynamics simulations.
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Affiliation(s)
- Yan-Ling Yang
- Department of Chemical Engineering
- National Taiwan University
- Taipei 106
- Taiwan
| | - Yu-Jane Sheng
- Department of Chemical Engineering
- National Taiwan University
- Taipei 106
- Taiwan
| | - Heng-Kwong Tsao
- Department of Chemical and Materials Engineering
- National Central University
- Jhongli 320
- Taiwan
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