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Lee J, Kim M, Lee H, Lee SY. Rh-coordinated histidyl bolaamphiphile assembly: a catalyst for the isomerization of cis-stilbene and cis-alkene. Dalton Trans 2023; 52:13269-13277. [PMID: 37668062 DOI: 10.1039/d3dt01906c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
In this study, we present a colloidal assembly of histidyl bolaamphiphiles whose imidazoles coordinate with rhodium ions (HisC7[Rh]) to exhibit catalytic isomerization activity for cis-stilbene and cis-alkene molecules. The histidyl bolaamphiphiles self-assemble to form a soft scaffold that functions analogously to an apoenzyme. This scaffold exposes multiple histidyl imidazoles and carboxylates on its surface, to which rhodium ions bind, generating catalytically active sites. The Rh coordination with the biochemical functional groups was verified through comprehensive vibrational spectroscopy and calorimetry. The colloidal HisC7[Rh] demonstrated a significant catalytic effect on the isomerization of cis- to trans-stilbene under mild H2 conditions, resulting in 69% yield of trans-stilbene. In contrast, when Rh(cod)2BF4 was employed as a control catalyst, only the hydrogenated products of bibenzyl were obtained. These findings underscore the crucial role of histidyl motifs in exhibiting unique catalytic isomerization activity through the coordination with Rh. The catalytic activity of HisC7[Rh] is governed by several factors, such as rhodium content, solvent composition, temperature, and H2 pressure. Moreover, HisC7[Rh] displayed moderate isomerization activity towards not only stilbene but also unsaturated fatty acid isomers, highlighting its expansive potential as an isomerization catalyst.
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Affiliation(s)
- Junsang Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea.
| | - Minji Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea.
| | - Hyesung Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea.
| | - Sang-Yup Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea.
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Nilouyal S, Karahan HE, Isfahani AP, Yamaguchi D, Gibbons AH, Ito MMM, Sivaniah E, Ghalei B. Carbonic Anhydrase-Mimicking Supramolecular Nanoassemblies for Developing Carbon Capture Membranes. ACS APPLIED MATERIALS & INTERFACES 2022; 14:37595-37607. [PMID: 35969637 DOI: 10.1021/acsami.2c06270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
As a ubiquitous family of enzymes with high performance in converting carbon dioxide (CO2) into bicarbonate, carbonic anhydrases (CAs) sparked enormous attention for carbon capture. Nevertheless, the high cost and operational instability of CAs hamper their practical relevance, and the utility of CAs is mainly limited to aqueous applications where CO2-to-bicarbonate conversion is possible. Taking advantage of the chemical motif that endows CA-like active sites (metal-coordinated histidine), here we introduce a new line of high-performance gas separation membranes with CO2-philic behavior. We first self-assembled a histidine-based bolaamphiphile (His-Bola) molecule in the aqueous phase and coordinated the resulting entities with divalent zinc. Optimizing the supramolecular synthesis conditions ensured that the resultant nanoparticles (His-NPs) exhibit high CO2 affinity and catalytic activity. We then exploited the His-NPs as nanofillers to enhance the separation performance of Pebax MH 1657. The hydrogen-bonding interactions allowed the dispersion of His-NPs within the polymer matrix uniformly, as confirmed by microscopic, spectroscopic, and thermal analyses. The imidazole and amine functionalities of His-NPs enhanced the solubility of CO2 molecules in the polymer matrix. The CA-mimic active sites of His-NPs nanozymes, on the other hand, catalyzed the reversible hydration of CO2 molecules in humid conditions, facilitating their transport across the membranes. The resulting nanocomposite membranes displayed excellent CO2 separation performance, with a high level of stability. At a filling ratio as low as 3 wt %, we achieved a CO2 permeability of >145 Barrer and a CO2/N2 selectivity of >95 with retained performance under humid continuous gas feeds. The bio-inspired approach presented in this work offers a promising platform for designing durable and highly selective CO2 capture membranes.
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Affiliation(s)
- Somaye Nilouyal
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, 606-8501 Kyoto, Japan
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-Ku, 615-8510 Kyoto, Japan
| | - H Enis Karahan
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, 606-8501 Kyoto, Japan
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-Ku, 615-8510 Kyoto, Japan
- Synthetic Fuels & Chemicals Technology Center (ITU-SENTEK), Istanbul Technical University, Maslak, 34469 Istanbul, Turkey
| | - Ali Pournaghshband Isfahani
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, 606-8501 Kyoto, Japan
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-Ku, 615-8510 Kyoto, Japan
| | - Daisuke Yamaguchi
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, 606-8501 Kyoto, Japan
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-Ku, 615-8510 Kyoto, Japan
| | - Andrew H Gibbons
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, 606-8501 Kyoto, Japan
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-Ku, 615-8510 Kyoto, Japan
| | - Masateru M M Ito
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, 606-8501 Kyoto, Japan
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-Ku, 615-8510 Kyoto, Japan
| | - Easan Sivaniah
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, 606-8501 Kyoto, Japan
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-Ku, 615-8510 Kyoto, Japan
| | - Behnam Ghalei
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, 606-8501 Kyoto, Japan
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-Ku, 615-8510 Kyoto, Japan
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Lee H, Kim H, Lee SY. Self-Assembling Peptidic Bolaamphiphiles for Biomimetic Applications. ACS Biomater Sci Eng 2021; 7:3545-3572. [PMID: 34309378 DOI: 10.1021/acsbiomaterials.1c00576] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Bolaamphiphile, which is a class of amphiphilic molecules, has a unique structure of two hydrophilic head groups at the ends of the hydrophobic center. Peptidic bolaamphiphiles that employ peptides or amino acids as their hydrophilic groups exhibit unique biochemical activities when they self-organize into supramolecular structures, which are not observed in a single molecule. The self-assembled peptidic bolaamphiphiles hold considerable promise for imitating proteins with biochemical activities, such as specific affinity toward heterogeneous substances, a catalytic activity similar to a metalloenzyme, physicochemical activity from harmonized amino acid segments, and the capability to encapsulate genes like a viral vector. These diverse activities give rise to large research interest in biomaterials engineering, along with the synthesis and characterization of the assembled structures. This review aims to address the recent progress in the applications of peptidic bolaamphiphile assemblies whose densely packed peptide motifs on their surface and their stacked hydrophobic centers exhibit unique protein-like activity and designer functionality, respectively.
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Affiliation(s)
- Hyesung Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Hanbee Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Sang-Yup Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
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Keum C, Cho J, Park S, Lee S. Copper‐Coordinated Histidyl Bolaamphiphile Assembly as an Oxidative Catalyst: Coordination Structure and Catalytic Activity in Cyclohexane Oxidation. ChemCatChem 2019. [DOI: 10.1002/cctc.201900968] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Changjoon Keum
- Department of Chemical and Biomolecular EngineeringYonsei University 50 Yonsei-ro, Seodaemun-gu Seoul 03722 Korea
| | - Junghyun Cho
- Department of Chemical and Biomolecular EngineeringYonsei University 50 Yonsei-ro, Seodaemun-gu Seoul 03722 Korea
| | - Sunggook Park
- Department of Mechanical and Industrial EngineeringLouisiana State University Baton Rouge LA, 70803 USA
| | - Sang‐Yup Lee
- Department of Chemical and Biomolecular EngineeringYonsei University 50 Yonsei-ro, Seodaemun-gu Seoul 03722 Korea
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