1
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Garcia-Escobar F, Taniike T, Takahashi K. MonteCat: A Basin-Hopping-Inspired Catalyst Descriptor Search Algorithm for Machine Learning Models. J Chem Inf Model 2024; 64:1512-1521. [PMID: 38385190 DOI: 10.1021/acs.jcim.3c01952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Proposing relevant catalyst descriptors that can relate the information on a catalyst's composition to its actual performance is an ongoing area in catalyst informatics, as it is a necessary step to improve our understanding on the target reactions. Herein, a small descriptor-engineered data set containing 3289 descriptor variables and the performance of 200 catalysts for the oxidative coupling of methane (OCM) is analyzed, and a descriptor search algorithm based on the workflow of the Basin-hopping optimization methodology is proposed to select the descriptors that better fit a predictive model. The algorithm, which can be considered wrapper in nature, consists of the successive generation of random-based modifications to the descriptor subset used in a regression model and adopting them depending on their effect on the model's score. The results are presented after being tested on linear and Support Vector Regression models with average cross-validation r2 scores of 0.8268 and 0.6875, respectively.
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Affiliation(s)
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Keisuke Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
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2
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Yanagiyama K, Takimoto K, Dinh Le S, Nu Thanh Ton N, Taniike T. High-throughput experimentation for photocatalytic water purification in practical environments. Environ Pollut 2024; 342:122974. [PMID: 37981181 DOI: 10.1016/j.envpol.2023.122974] [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: 08/20/2023] [Revised: 10/26/2023] [Accepted: 11/14/2023] [Indexed: 11/21/2023]
Abstract
High-throughput screening instrument was developed for photocatalytic water purification, enabling the simultaneous testing of 132 photocatalytic reactions under uniform visible light irradiation, temperature control, and stirring. The instrument was used to investigate the effects of different catalysts (TiO2, ZnO, α-Fe2O3) and environmental waters (seawater, urban wastewater, and industrial wastewater) on dye degradation. It was observed environmental ions, particularly carbonate and phosphate ions, significantly reduced catalyst activity by inhibiting the adsorption of dye molecules. To develop effective catalysts for dye degradation in industrial wastewater, 15 types of noble metal nanoparticles (NPs) were supported on photocatalysts. The study found that noble metal NPs with high work functions and oxidation resistance, such as Au and Pt, exhibited higher activity even in the industrial wastewater, likely converting environmental ions into active species. These findings, based on 432 test results, demonstrate the effectiveness of the developed high-throughput screening instrument for optimizing photocatalytic water purification.
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Affiliation(s)
- Kyo Yanagiyama
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, 923-1292, Japan
| | - Ken Takimoto
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, 923-1292, Japan
| | - Son Dinh Le
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, 923-1292, Japan
| | - Nhan Nu Thanh Ton
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, 923-1292, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, 923-1292, Japan.
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3
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Taniike T, Fujiwara A, Nakanowatari S, García-Escobar F, Takahashi K. Automatic feature engineering for catalyst design using small data without prior knowledge of target catalysis. Commun Chem 2024; 7:11. [PMID: 38216711 PMCID: PMC10786848 DOI: 10.1038/s42004-023-01086-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 12/08/2023] [Indexed: 01/14/2024] Open
Abstract
The empirical aspect of descriptor design in catalyst informatics, particularly when confronted with limited data, necessitates adequate prior knowledge for delving into unknown territories, thus presenting a logical contradiction. This study introduces a technique for automatic feature engineering (AFE) that works on small catalyst datasets, without reliance on specific assumptions or pre-existing knowledge about the target catalysis when designing descriptors and building machine-learning models. This technique generates numerous features through mathematical operations on general physicochemical features of catalytic components and extracts relevant features for the desired catalysis, essentially screening numerous hypotheses on a machine. AFE yields reasonable regression results for three types of heterogeneous catalysis: oxidative coupling of methane (OCM), conversion of ethanol to butadiene, and three-way catalysis, where only the training set is swapped. Moreover, through the application of active learning that combines AFE and high-throughput experimentation for OCM, we successfully visualize the machine's process of acquiring precise recognition of the catalyst design. Thus, AFE is a versatile technique for data-driven catalysis research and a key step towards fully automated catalyst discoveries.
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Affiliation(s)
- Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, 923-1292, Japan.
| | - Aya Fujiwara
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, 923-1292, Japan
| | - Sunao Nakanowatari
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, 923-1292, Japan
| | | | - Keisuke Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo, 060-0810, Japan
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4
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Chammingkwan P, Khoshsefat M, Terano M, Taniike T. Parallel Catalyst Synthesis Protocol for Accelerating Heterogeneous Olefin Polymerization Research. Polymers (Basel) 2023; 15:4729. [PMID: 38139980 PMCID: PMC10747057 DOI: 10.3390/polym15244729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023] Open
Abstract
The data scientific approach has become an indispensable tool for capturing structure-performance relationships in complex systems, where the quantity and quality of data play a crucial role. In heterogeneous olefin polymerization research, the exhaustive and multi-step nature of Ziegler-Natta catalyst synthesis has long posed a bottleneck in synthetic throughput and data generation. In this contribution, a custom-designed 12-parallel reactor system and a catalyst synthesis protocol were developed to achieve the parallel synthesis of a magnesium ethoxide-based Ziegler-Natta catalyst. The established system, featuring a miniature reaction vessel with magnetically suspended stirring, allows for over a tenfold reduction in synthetic scale while ensuring the consistency and reliability of the synthesis. We demonstrate that the established protocol is highly efficient for the generation of a catalyst library with diverse compositions and physical features, holding promise as a foundation for the data-driven establishment of the structure-performance relationship in heterogeneous olefin polymerization catalysis.
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Affiliation(s)
- Patchanee Chammingkwan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Japan; (M.K.); (M.T.)
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5
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Takahashi K, Ohyama J, Nishimura S, Fujima J, Takahashi L, Uno T, Taniike T. Catalysts informatics: paradigm shift towards data-driven catalyst design. Chem Commun (Camb) 2023; 59:2222-2238. [PMID: 36723221 DOI: 10.1039/d2cc05938j] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Designing catalysts is a challenging matter as catalysts are involved with various factors that impact synthesis, catalysts, reactor and reaction. In order to overcome these difficulties, catalysts informatics is proposed as an alternative way to design and understand catalysts. The underlying concept of catalysts informatics is to design the catalysts from trends and patterns found in catalysts data. Here, three key concepts are introduced: experimental catalysts database, knowledge extraction from catalyst data via data science, and a catalysts informatics platform. Methane oxidation is chosen as a prototype reaction for demonstrating various aspects of catalysts informatics. This work summarizes how catalysts informatics plays a role in catalyst design. The work covers big data generation via high throughput experiments, machine learning, catalysts network method, catalyst design from small data, catalysts informatics platform, and the future of catalysts informatics via ontology. Thus, the proposed catalysts informatics would help innovate how catalysts can be designed and understood.
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Affiliation(s)
- Keisuke Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-0810, Japan.
| | - Junya Ohyama
- Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, 860-8555, Japan
| | - Shun Nishimura
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Jun Fujima
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-0810, Japan.
| | - Lauren Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-0810, Japan.
| | - Takeaki Uno
- National Institute of Informatics, 2-1-2 Hitotsubashi, Chiyoda-ku, 101-8430, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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6
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Ishioka S, Fujiwara A, Nakanowatari S, Takahashi L, Taniike T, Takahashi K. Designing Catalyst Descriptors for Machine Learning in Oxidative Coupling of Methane. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sora Ishioka
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-0810, Japan
| | - Aya Fujiwara
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Sunao Nakanowatari
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Lauren Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-0810, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Keisuke Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-0810, Japan
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7
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Takasao G, Wada T, Chikuma H, Chammingkwan P, Terano M, Taniike T. Preventing Premature Convergence in Evolutionary Structure Determination of Complex Molecular Systems: Demonstration in Few-Nanometer-Sized TiCl 4-Capped MgCl 2 Nanoplates. J Phys Chem A 2022; 126:5215-5221. [PMID: 35917521 DOI: 10.1021/acs.jpca.2c02112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The combination of genetic algorithm-based global search and local geometry optimization enables nonempirical structure determination for complex materials such as practical solid catalysts. However, premature convergence in the genetic algorithm hinders the determination of the global minimum for complicated molecular systems. Here, we implemented a distributed genetic algorithm based on the migration from a structure database for avoiding the premature convergence, and thus we realized the structure determination for TiCl4-capped MgCl2 nanoplates with experimentally consistent sizes. The obtained molecular models are featured with a realistic size and nonideal surfaces, representing actual primary particles of catalysts.
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Affiliation(s)
- Gentoku Takasao
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toru Wada
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.,DPI, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
| | - Hiroki Chikuma
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Patchanee Chammingkwan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.,DPI, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
| | - Minoru Terano
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.,DPI, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.,DPI, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
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8
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Takimoto K, Takeuchi K, Ton NNT, Taniike T. Exploring stabilizer formulations for light-induced yellowing of polystyrene by high-throughput experimentation and machine learning. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2022.109967] [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: 10/18/2022]
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9
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Nishimura S, Ohyama J, Li X, Miyazato I, Taniike T, Takahashi K. Machine Learning-Aided Catalyst Modification in Oxidative Coupling of Methane via Manganese Promoter. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c05079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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)
- Shun Nishimura
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Japan
| | - Junya Ohyama
- Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Xinyue Li
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Japan
| | - Itsuki Miyazato
- Department of Chemistry, Hokkaido University, N-10 W-8, Sapporo 060-0810, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Japan
| | - Keisuke Takahashi
- Department of Chemistry, Hokkaido University, N-10 W-8, Sapporo 060-0810, Japan
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10
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Wada T, Kitabayashi I, Chammingkwan P, Taniike T. Physical Property of Isotactic Polypropylene Blended with Less Crystalline Polypropylene. MACROMOL REACT ENG 2022. [DOI: 10.1002/mren.202200022] [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: 11/08/2022]
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11
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Zhu D, Kurahashi E, You H, Wada T, Chammingkwan P, Taniike T. Enhancing Mechanical Properties of Graft-Type Nanocomposites Using Organically Modified SiO2 and Polypropylene Containing Reactive Methoxy Groups. Polymers (Basel) 2022; 14:polym14030563. [PMID: 35160552 PMCID: PMC8838797 DOI: 10.3390/polym14030563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 01/05/2022] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 02/04/2023] Open
Abstract
In situ grafting of a reactive matrix and nanofillers is a promising strategy to fabricate graft-type polypropylene (PP)-based nanocomposites, where the grafting efficiency is affected by the initial dispersion of nanofillers in the matrix. In this work, influences of surface organic modification of nanofillers were investigated on properties of PP/SiO2 nanocomposites using poly(propylene-co-octenyltrimethoxysilane) as a reactive matrix. The surface modification of SiO2, especially with longer alkyl chains, led to improved dispersion of nanoparticles, thus promoting the grafting reaction and mechanical properties. The combination of in situ grafting and surface modification of nanofillers provided several benefits, most notably in balancing the strength and the toughness, which could not be achieved by the grafting alone.
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Affiliation(s)
- Dongzhi Zhu
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan; (D.Z.); (H.Y.); (T.W.)
| | - Eiji Kurahashi
- Kojima Industries Corporation, 3-30 Shimoichiba-cho, Toyota 471-8588, Aichi, Japan;
| | - Hui You
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan; (D.Z.); (H.Y.); (T.W.)
| | - Toru Wada
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan; (D.Z.); (H.Y.); (T.W.)
| | - Patchanee Chammingkwan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan; (D.Z.); (H.Y.); (T.W.)
- Correspondence: (P.C.); (T.T.); Tel.: +81-761-51-1630 (T.T.)
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan; (D.Z.); (H.Y.); (T.W.)
- Correspondence: (P.C.); (T.T.); Tel.: +81-761-51-1630 (T.T.)
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12
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Rawat M, Taniike T, Rawat DS. Magnetically Separable Fe
3
O
4
@poly(
m‐
phenylenediamine)@Cu
2
O Nanocatalyst for the Facile Synthesis of 5‐phenyl‐[1,2,3]triazolo[1,5‐c]quinazolines. ChemCatChem 2022. [DOI: 10.1002/cctc.202101926] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Manish Rawat
- Department of Chemistry University of Delhi Delhi 110007 India
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Diwan S. Rawat
- Department of Chemistry University of Delhi Delhi 110007 India
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13
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Nishimura S, Le SD, Miyazato I, Fujima J, Taniike T, Ohyama J, Takahashi K. High-Throughput Screening and Literature Data Driven Machine Learning Assisting Investigation of Multi-component La2O3-based Catalysts for Oxidative Coupling of Methane. Catal Sci Technol 2022. [DOI: 10.1039/d1cy02206g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Multi-component La2O3-based catalysts for oxidative coupling of methane (OCM) were designed based on high-throughput screening (HTS) and literature datasets with multi-output machine learning (ML) approaches including random forest regression (RFR),...
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14
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Nguyen TN, Seenivasan K, Nakanowatari S, Mohan P, Tran TPN, Nishimura S, Takahashi K, Taniike T. Factors to influence low-temperature performance of supported Mn–Na2WO4 in oxidative coupling of methane. Molecular Catalysis 2021. [DOI: 10.1016/j.mcat.2021.111976] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Piovano A, Wada T, Amodio A, Takasao G, Ikeda T, Zhu D, Terano M, Chammingkwan P, Groppo E, Taniike T. Formation of Highly Active Ziegler–Natta Catalysts Clarified by a Multifaceted Characterization Approach. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03067] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alessandro Piovano
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
- Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
| | - Toru Wada
- Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Alessia Amodio
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
| | - Gentoku Takasao
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Tomohiro Ikeda
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Dongzhi Zhu
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Minoru Terano
- Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Patchanee Chammingkwan
- Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Elena Groppo
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
- Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
| | - Toshiaki Taniike
- Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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16
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Takahashi L, Nguyen TN, Nakanowatari S, Fujiwara A, Taniike T, Takahashi K. Constructing catalyst knowledge networks from catalyst big data in oxidative coupling of methane for designing catalysts. Chem Sci 2021; 12:12546-12555. [PMID: 34703540 PMCID: PMC8494033 DOI: 10.1039/d1sc04390k] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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: 08/10/2021] [Accepted: 08/27/2021] [Indexed: 12/01/2022] Open
Abstract
Designing high performance catalysts for the oxidative coupling of methane (OCM) reaction is often hindered by inconsistent catalyst data, which often leads to difficulties in extracting information such as combinatorial effects of elements upon catalyst performance as well as difficulties in reaching yields beyond a particular threshold. In order to investigate C2 yields more systematically, high throughput experiments are conducted in an effort to mass-produce catalyst-related data in a way that provides more consistency and structure. Graph theory is applied in order to visualize underlying trends in the transformation of high-throughput data into networks, which are then used to design new catalysts that potentially result in high C2 yields during the OCM reaction. Transforming high-throughput data in this manner has resulted in a representation of catalyst data that is more intuitive to use and also has resulted in the successful design of a myriad of catalysts that elicit high C2 yields, several of which resulted in yields greater than those originally reported in the high-throughput data. Thus, transforming high-throughput catalytic data into catalyst design-friendly maps provides a new method of catalyst design that is more efficient and has a higher likelihood of resulting in high performance catalysts. Catalyst data created through high-throughput experimentation is transformed into catalyst knowledge networks, leading to a new method of catalyst design where successfully designed catalysts result in high C2 yields during the OCM reaction.![]()
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Affiliation(s)
- Lauren Takahashi
- Department of Chemistry, Hokkaido University North 10, West 8 Sapporo 060-8510 Japan
| | - Thanh Nhat Nguyen
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Sunao Nakanowatari
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Aya Fujiwara
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Keisuke Takahashi
- Department of Chemistry, Hokkaido University North 10, West 8 Sapporo 060-8510 Japan
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17
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Tran TPN, Thakur A, Nguyen TN, Mohan P, Wada T, Chammingkwan P, Taniike T. Understanding chemiluminescence in catalytic oxidation of CO and hydrocarbons. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.02.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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18
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Trinh DX, Pham NN, Chammingkwan P, Taniike T. Preparation and Desalination Performance of PA/UiO-66/PES Composite Membranes. Membranes (Basel) 2021; 11:628. [PMID: 34436391 PMCID: PMC8399680 DOI: 10.3390/membranes11080628] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/09/2021] [Accepted: 08/12/2021] [Indexed: 11/16/2022]
Abstract
UiO-66 nanoparticles are considered highly potential fillers for the application in desalination membranes. In this study, UiO-66 nanoparticles were anchored to PES membrane substrates, which were subsequently subjected to the interfacial polymerization reaction to coat a layer of polyamide (PA) on their surface. For comparison, a blank membrane incorporating no UiO-66 and a reference membrane incorporating ZrO2 (instead of UiO-66) were prepared. All prepared membranes were tested for their desalination performance. The membranes containing UiO-66 were found to outperform the blank and the reference counterparts. The reason for this outperformance is possibly attributed to the hydrophilicity of UiO-66 nanoparticles and the presence of nanochannels in their structure.
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Affiliation(s)
- Dai Xuan Trinh
- Faculty of Chemistry, VNU University of Science, Vietnam National University, 19 Le Thanh Tong, Hoan Kiem, Hanoi 10000, Vietnam; or
| | - Ngo Nghia Pham
- Faculty of Chemistry, VNU University of Science, Vietnam National University, 19 Le Thanh Tong, Hoan Kiem, Hanoi 10000, Vietnam; or
- Institute of Environmental Engineering and Management, University of Witten/Herdecke, Alfred-Herrhausen-Straße 44, 58455 Witten, Germany
| | - Patchanee Chammingkwan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan; (P.C.); (T.T.)
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan; (P.C.); (T.T.)
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19
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Takahashi K, Fujima J, Miyazato I, Nakanowatari S, Fujiwara A, Nguyen TN, Taniike T, Takahashi L. Catalysis Gene Expression Profiling: Sequencing and Designing Catalysts. J Phys Chem Lett 2021; 12:7335-7341. [PMID: 34327995 DOI: 10.1021/acs.jpclett.1c02111] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Identification of catalysts is a difficult matter as catalytic activities involve a vast number of complex features that each catalyst possesses. Here, catalysis gene expression profiling is proposed from unique features discovered in catalyst data collected by high-throughput experiments as an alternative way of representing the catalysts. Combining constructed catalyst gene sequences with hierarchical clustering results in catalyst gene expression profiling where natural language processing is used to identify similar catalysts based on edit distance. In addition, catalysts with similar properties are designed by modifying catalyst genes where the designed catalysts are experimentally confirmed to have catalytic activities that are associated with their catalyst gene sequences. Thus, the proposed method of catalyst gene expressions allows for a novel way of describing catalysts that allows for similarities in catalysts and catalytic activity to be easily recognized while enabling the ability to design new catalysts based on manipulating chemical elements of catalysts with similar catalyst gene sequences.
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Affiliation(s)
- Keisuke Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
| | - Jun Fujima
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
| | - Itsuki Miyazato
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
| | - Sunao Nakanowatari
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Aya Fujiwara
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Thanh Nhat Nguyen
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Lauren Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
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20
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Ishioka S, Miyazato I, Takahashi L, Nguyen TN, Taniike T, Takahashi K. Unveiling gas-phase oxidative coupling of methane via data analysis. J Comput Chem 2021; 42:1447-1451. [PMID: 34018210 DOI: 10.1002/jcc.26554] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/20/2021] [Accepted: 04/26/2021] [Indexed: 01/04/2023]
Abstract
Unveiling the details of the mechanisms of a chemical reaction is a difficult task as reaction mechanisms are strongly coupled with reaction conditions. Here, catalysts informatics combined with high-throughput experimental data is implemented to understand the oxidative coupling of methane (OCM) reaction. In particular, pairwise correlation and data visualization are performed to reveal the relation between reaction conditions and selectivity/conversion. In addition, machine learning is used to fill the gap between experimental data points; thus, a more detailed understanding of the OCM reaction against reaction conditions can be achieved. Therefore, catalysts informatics is proposed for understanding the details of the reaction mechanism, thereby aiding reaction design.
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Affiliation(s)
- Sora Ishioka
- Department of Chemistry, Hokkaido University, Sapporo, Japan
| | - Itsuki Miyazato
- Department of Chemistry, Hokkaido University, Sapporo, Japan
| | | | - Thanh Nhat Nguyen
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, Nomi, Ishikawa, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, Nomi, Ishikawa, Japan
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21
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Piovano A, Signorile M, Braglia L, Torelli P, Martini A, Wada T, Takasao G, Taniike T, Groppo E. Electronic Properties of Ti Sites in Ziegler–Natta Catalysts. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01735] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alessandro Piovano
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
- DPI, P.O.
Box 902, 5600 AX Eindhoven, The Netherlands
| | - Matteo Signorile
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
| | | | | | - Andrea Martini
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
- The Smart Materials Research Institute, Southern Federal University, Sladkova 178/24, 344090 Rostov-on-Don, Russia
| | - Toru Wada
- DPI, P.O.
Box 902, 5600 AX Eindhoven, The Netherlands
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Gentoku Takasao
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toshiaki Taniike
- DPI, P.O.
Box 902, 5600 AX Eindhoven, The Netherlands
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Elena Groppo
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
- DPI, P.O.
Box 902, 5600 AX Eindhoven, The Netherlands
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22
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Nakanowatari S, Nguyen TN, Chikuma H, Fujiwara A, Seenivasan K, Thakur A, Takahashi L, Takahashi K, Taniike T. Extraction of Catalyst Design Heuristics from Random Catalyst Dataset and their Utilization in Catalyst Development for Oxidative Coupling of Methane. ChemCatChem 2021. [DOI: 10.1002/cctc.202100460] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Sunao Nakanowatari
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 923-1292 Nomi Ishikawa Japan
| | - Thanh Nhat Nguyen
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 923-1292 Nomi Ishikawa Japan
| | - Hiroki Chikuma
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 923-1292 Nomi Ishikawa Japan
| | - Aya Fujiwara
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 923-1292 Nomi Ishikawa Japan
| | - Kalaivani Seenivasan
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 923-1292 Nomi Ishikawa Japan
| | - Ashutosh Thakur
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 923-1292 Nomi Ishikawa Japan
- CSIR-North East Institute of Science and Technology 785006 Jorhat Assam India
| | - Lauren Takahashi
- Department of Chemistry Hokkaido University 060-0815 Sapporo Japan
| | | | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 923-1292 Nomi Ishikawa Japan
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23
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You H, Shangkum GY, Chammingkwan P, Taniike T. Surface wettability switching of a zeolitic imidazolate framework‐deposited membrane for selective efficient oil/water emulsion separation. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126204] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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24
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Chammingkwan P, Bando Y, Mai LTT, Wada T, Thakur A, Terano M, Sinthusai L, Taniike T. Less Entangled Ultrahigh-Molecular-Weight Polyethylene Produced by Nano-Dispersed Ziegler–Natta Catalyst. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c05432] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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)
- Patchanee Chammingkwan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Yusuke Bando
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Le Thi Tuyet Mai
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toru Wada
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Ashutosh Thakur
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Minoru Terano
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Likhasit Sinthusai
- IRPC Public Company Limited, 299 Moo 5, Sukhumvit Road, Cheng Nern, Muang, Rayong 21000, Thailand
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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25
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Takasao G, Wada T, Thakur A, Chammingkwan P, Terano M, Taniike T. Insight into structural distribution of heterogeneous Ziegler–Natta catalyst from non-empirical structure determination. J Catal 2021. [DOI: 10.1016/j.jcat.2020.11.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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26
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27
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Nguyen TN, Nakanowatari S, Nhat Tran TP, Thakur A, Takahashi L, Takahashi K, Taniike T. Learning Catalyst Design Based on Bias-Free Data Set for Oxidative Coupling of Methane. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04629] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Thanh Nhat Nguyen
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Sunao Nakanowatari
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Thuy Phuong Nhat Tran
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Ashutosh Thakur
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Lauren Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
| | - Keisuke Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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28
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Miyazato I, Nguyen TN, Takahashi L, Taniike T, Takahashi K. Representing Catalytic and Processing Space in Methane Oxidation Reaction via Multioutput Machine Learning. J Phys Chem Lett 2021; 12:808-814. [PMID: 33415983 DOI: 10.1021/acs.jpclett.0c03465] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Multioutput support vector regression (SVR) is implemented to simultaneously predict the selectivities and the CH4 conversion against experimental conditions in methane oxidation catalysts. The predictions unveil the details of how each selectivity and CH4 conversion behaves in each catalyst. In particular, the selectivity and the CH4 conversion of Mn-Na2WO4/SiO2, Ti-Na2WO4/SiO2, Pd-Na2WO4/SiO2, and Na2WO 4/SiO2 are predicted, and the effects of Mn, Ti, and Pd are unveiled. In addition, the trade-off points of CO and C2H6 are identified for each catalyst, leading to maximization of the C2H6 yield. Thus the simultaneous prediction of the reaction trend with catalysts not only will help with the understanding of the catalyst activities but also will provide guidance for designing the experimental conditions.
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Affiliation(s)
- Itsuki Miyazato
- Faculty of Science, Department of Chemistry, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0810, Japan
| | - Thanh Nhat Nguyen
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Lauren Takahashi
- Faculty of Science, Department of Chemistry, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0810, Japan
| | - Toshiaki Taniike
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Keisuke Takahashi
- Faculty of Science, Department of Chemistry, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0810, Japan
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29
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Takasao G, Wada T, Thakur A, Chammingkwan P, Terano M, Taniike T. Dataset of energetically accessible structures of MgCl 2/TiCl 4 clusters for Ziegler-Natta catalysts. Data Brief 2020; 34:106654. [PMID: 33364274 PMCID: PMC7753921 DOI: 10.1016/j.dib.2020.106654] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 11/28/2022] Open
Abstract
This data article provides a dataset of the energetically accessible structures including the most stable structures of xMgCl2/yTiCl4 nanoplates (x = 6-19, y = 0-4). TiCl4-capped MgCl2 nanoplates are regarded as the building block of the Ziegler-Natta catalyst. The most stable structures were determined for MgCl2/TiCl4 nanoplates of different sizes and chemical compositions using a combination of the genetic algorithm and the DFT geometry optimization. The evolution in the genetic algorithm produced a number of meta-stable structures. A set of isomeric structures having similar energy to the most stable structure (termed energetically accessible structures) are provided as realistic models of MgCl2/TiCl4 nanoplates. These structures are useful for further investigation on the structural distribution of Ti species on MgCl2 regarding the Ziegler-Natta catalyst.
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Affiliation(s)
- Gentoku Takasao
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toru Wada
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.,DPI, P.O. Box 902, 5600 AX, Eindhoven, the Netherlands
| | - Ashutosh Thakur
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Patchanee Chammingkwan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.,DPI, P.O. Box 902, 5600 AX, Eindhoven, the Netherlands
| | - Minoru Terano
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.,DPI, P.O. Box 902, 5600 AX, Eindhoven, the Netherlands
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.,DPI, P.O. Box 902, 5600 AX, Eindhoven, the Netherlands
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30
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Sugiyama K, Nguyen TN, Nakanowatari S, Miyazato I, Taniike T, Takahashi K. Direct Design of Catalysts in Oxidative Coupling of Methane via High‐Throughput Experiment and Deep Learning. ChemCatChem 2020. [DOI: 10.1002/cctc.202001680] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Kanami Sugiyama
- Graduate School of Chemical Sciences and Engineering Hokkaido University, Kita 13, Nishi 8 Sapporo 060-8628 Japan
| | - Thanh Nhat Nguyen
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Sunao Nakanowatari
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Itsuki Miyazato
- Department of Chemistry Hokkaido University North 10, West 8 Sapporo 060-8510 Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Keisuke Takahashi
- Department of Chemistry Hokkaido University North 10, West 8 Sapporo 060-8510 Japan
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31
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Wada T, Funako T, Chammingkwan P, Thakur A, Matta A, Terano M, Taniike T. Structure-performance relationship of Mg(OEt)2-based Ziegler-Natta catalysts. J Catal 2020. [DOI: 10.1016/j.jcat.2020.06.030] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [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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32
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Takahashi K, Takahashi L, Nguyen TN, Thakur A, Taniike T. Multidimensional Classification of Catalysts in Oxidative Coupling of Methane through Machine Learning and High-Throughput Data. J Phys Chem Lett 2020; 11:6819-6826. [PMID: 32787213 DOI: 10.1021/acs.jpclett.0c01926] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Understanding the unique features of catalysts is a complex matter as it requires quantitative analysis with a relatively large selection of catalyst data. Here, unique features of each catalyst within the oxidative methane of coupling (OCM) reaction are investigated by combining data science and high throughput experimental data. Visualization of high-throughput OCM data reveals that there are several groups of catalysts based on their response against experimental conditions. Unsupervised machine learning, in particular, the Gaussian mixture model, classifies the OCM catalysts into six groups based on similarity in catalytic activities. Data visualization and parallel coordinates unveil the unique catalytic features of each classified group. Each classified group is statistically analyzed where unique features of each group are defined in term of C2 selectivity, CH4 conversion, and their composition in each calssified group. Thus, systematic design of catalysts can be achieved in principle on the basis of the unique features of catalysts uncovered via data science.
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Affiliation(s)
- Keisuke Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
| | - Lauren Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
| | - Thanh Nhat Nguyen
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Ashutosh Thakur
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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33
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Chammingkwan P, Shangkum GY, Mai LTT, Mohan P, Thakur A, Wada T, Taniike T. Modulator-free approach towards missing-cluster defect formation in Zr-based UiO-66. RSC Adv 2020; 10:28180-28185. [PMID: 35519118 PMCID: PMC9055678 DOI: 10.1039/d0ra04812g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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: 06/01/2020] [Accepted: 07/17/2020] [Indexed: 11/21/2022] Open
Abstract
By rigorous control of water, missing-cluster defects in Zr-based UiO-66 were generated to a remarkable extent without the need of acidic modulators. The presence of missing-cluster defects created hierarchical pore structures, which had a profound effect on the catalytic performance.
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Affiliation(s)
- Patchanee Chammingkwan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Goji Yildun Shangkum
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan .,Department of Chemistry, Faculty of Natural Sciences, University of Jos P.M.B 2084 Jos Plateau State Nigeria
| | - Le Thi Tuyet Mai
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Priyank Mohan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Ashutosh Thakur
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Toru Wada
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
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34
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Piovano A, D'Amore M, Wada T, Cleto Bruzzese P, Takasao G, Thakur A, Chammingkwan P, Terano M, Civalleri B, Bordiga S, Taniike T, Groppo E. Revisiting the identity of δ-MgCl2: Part II. Morphology and exposed surfaces studied by vibrational spectroscopies and DFT calculation. J Catal 2020. [DOI: 10.1016/j.jcat.2020.04.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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35
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Tran TPN, Nguyen TN, Taniike T, Nishimura S. Tailoring Graphene Oxide Framework with N- and S- Containing Organic Ligands for the Confinement of Pd Nanoparticles Towards Recyclable Catalyst Systems. Catal Letters 2020. [DOI: 10.1007/s10562-020-03284-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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36
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Wada T, Takasao G, Piovano A, D'Amore M, Thakur A, Chammingkwan P, Bruzzese PC, Terano M, Civalleri B, Bordiga S, Groppo E, Taniike T. Revisiting the identity of δ-MgCl2: Part I. Structural disorder studied by synchrotron X-ray total scattering. J Catal 2020. [DOI: 10.1016/j.jcat.2020.03.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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37
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Nguyen TN, Nhat TTP, Takimoto K, Thakur A, Nishimura S, Ohyama J, Miyazato I, Takahashi L, Fujima J, Takahashi K, Taniike T. High-Throughput Experimentation and Catalyst Informatics for Oxidative Coupling of Methane. ACS Catal 2019. [DOI: 10.1021/acscatal.9b04293] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Thanh Nhat Nguyen
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Thuy Tran Phuong Nhat
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Ken Takimoto
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Ashutosh Thakur
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Shun Nishimura
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Junya Ohyama
- Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Itsuki Miyazato
- Institute for Catalysis, Hokkaido University, N21, W10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
| | - Lauren Takahashi
- Institute for Catalysis, Hokkaido University, N21, W10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
| | - Jun Fujima
- Center for Materials Research by Information Integration, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibraki 305-0047, Japan
| | - Keisuke Takahashi
- Institute for Catalysis, Hokkaido University, N21, W10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
- Center for Materials Research by Information Integration, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibraki 305-0047, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
- Center for Materials Research by Information Integration, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibraki 305-0047, Japan
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38
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Thakur A, Wada T, Chammingkwan P, Terano M, Taniike T. Development of Large-Scale Stopped-Flow Technique and its Application in Elucidation of Initial Ziegler-Natta Olefin Polymerization Kinetics. Polymers (Basel) 2019; 11:E1012. [PMID: 31181603 PMCID: PMC6631648 DOI: 10.3390/polym11061012] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/04/2019] [Accepted: 06/05/2019] [Indexed: 11/16/2022] Open
Abstract
The stopped-flow (SF) technique has been extensively applied to study Ziegler-Natta (ZN) olefin polymerization kinetics within an extremely short period (typically <0.2 s) for understanding the nature of the active sites as well as the polymerization mechanisms through microstructure analyses of obtained polymers. In spite of its great applicability, a small amount of polymer that is yielded in a short-time polymerization has been a major bottleneck for polymer characterizations. In order to overcome this limitation, a large-scale SF (LSF) system has been developed, which offers stable and scalable polymerization over an expanded time range from a few tens milliseconds to several seconds. The scalability of the LSF technique has been further improved by introducing a new quenching protocol. With these advantages, the LSF technique has been effectively applied to address several unknown issues in ZN catalysis, such as the role of physical and chemical transformations of a catalyst on the initial polymerization kinetics, and regiochemistry of ZN propylene polymerization. Here, we review the development of the LSF technique and recent efforts for understanding heterogeneous ZN olefin polymerization catalysis with this new system.
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Affiliation(s)
- Ashutosh Thakur
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.
| | - Toru Wada
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.
| | - Patchanee Chammingkwan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.
| | - Minoru Terano
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.
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Thakur A, Baba R, Wada T, Chammingkwan P, Taniike T. Cooperative Catalysis by Multiple Active Centers of a Half-Titanocene Catalyst Integrated in Polymer Random Coils. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00214] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ashutosh Thakur
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Ryuki Baba
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toru Wada
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Patchanee Chammingkwan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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40
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Takasao G, Wada T, Thakur A, Chammingkwan P, Terano M, Taniike T. Machine Learning-Aided Structure Determination for TiCl4–Capped MgCl2 Nanoplate of Heterogeneous Ziegler–Natta Catalyst. ACS Catal 2019. [DOI: 10.1021/acscatal.8b05080] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gentoku Takasao
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toru Wada
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
- Dutch Polymer Institute (DPI), P.O. Box 902, 5600 AX Eindhoven, The Netherlands
| | - Ashutosh Thakur
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Patchanee Chammingkwan
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
- Dutch Polymer Institute (DPI), P.O. Box 902, 5600 AX Eindhoven, The Netherlands
| | - Minoru Terano
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
- Dutch Polymer Institute (DPI), P.O. Box 902, 5600 AX Eindhoven, The Netherlands
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
- Dutch Polymer Institute (DPI), P.O. Box 902, 5600 AX Eindhoven, The Netherlands
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Takahashi K, Takahashi L, Miyazato I, Fujima J, Tanaka Y, Uno T, Satoh H, Ohno K, Nishida M, Hirai K, Ohyama J, Nguyen TN, Nishimura S, Taniike T. The Rise of Catalyst Informatics: Towards Catalyst Genomics. ChemCatChem 2019. [DOI: 10.1002/cctc.201801956] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Keisuke Takahashi
- Center for Materials research by Information Integration (CMI ); National Institute for Materials Science (NIMS); 1-2-1 Sengen Tsukuba 305-0047 Japan
- Institute for Catalysis; Hokkaido University N21, W10; Kita-ku 001-0021 Japan
| | - Lauren Takahashi
- Center for Materials research by Information Integration (CMI ); National Institute for Materials Science (NIMS); 1-2-1 Sengen Tsukuba 305-0047 Japan
| | - Itsuki Miyazato
- Center for Materials research by Information Integration (CMI ); National Institute for Materials Science (NIMS); 1-2-1 Sengen Tsukuba 305-0047 Japan
| | - Jun Fujima
- Center for Materials research by Information Integration (CMI ); National Institute for Materials Science (NIMS); 1-2-1 Sengen Tsukuba 305-0047 Japan
| | - Yuzuru Tanaka
- Center for Materials research by Information Integration (CMI ); National Institute for Materials Science (NIMS); 1-2-1 Sengen Tsukuba 305-0047 Japan
| | - Takeaki Uno
- National Institute of Informatics; 2-1-2 Hitotsubashi Chiyoda-ku 101-8430 Japan
| | - Hiroko Satoh
- Department of Chemistry; University of Zurich; Zurich 8057 Switzerland
- Research Organization of Information and Systems (ROIS); Tokyo 105-0001 Japan
| | - Koichi Ohno
- Institute for Quantum Chemical Exploration; Kaigan 3-9-15 Minato-ku 108-0022 Japan
- Department of Chemistry, Graduate School of Science; Tohoku University; Aramaki Aza-Aoba 6-3, Aoba-ku, Sendai Miyagi 980-8578 Japan
| | - Mayumi Nishida
- Institute for Catalysis; Hokkaido University N21, W10; Kita-ku 001-0021 Japan
- Interdisciplinary Research Center for Catalytic Chemistry; National Institute of Advanced Industrial Science and Technology (AIST); Central 5-2, 1-1-1 Higashi Tsukuba 305-8565 Japan
| | - Kenji Hirai
- Research Institute for Electronic Science; Hokkaido University; N20 W10 Kita-Ward 001-0020 Japan
| | - Junya Ohyama
- Faculty of Advanced Science and Technology; Kumamoto University; 2-39-1 Kurokami Chuo-ku 860-8555 Japan
| | - Thanh Nhat Nguyen
- Graduate School of Advanced Science and Technology; Japan Advanced Institute of Science and Technology(JAIST); 1-1 Asahidai Nomi 923-1292 Japan
| | - Shun Nishimura
- Graduate School of Advanced Science and Technology; Japan Advanced Institute of Science and Technology(JAIST); 1-1 Asahidai Nomi 923-1292 Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology; Japan Advanced Institute of Science and Technology(JAIST); 1-1 Asahidai Nomi 923-1292 Japan
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Chammingkwan P, Bando Y, Terano M, Taniike T. Nano-Dispersed Ziegler-Natta Catalysts for 1 μm-Sized Ultra-High Molecular Weight Polyethylene Particles. Front Chem 2018; 6:524. [PMID: 30460228 PMCID: PMC6232879 DOI: 10.3389/fchem.2018.00524] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 10/11/2018] [Indexed: 11/13/2022] Open
Abstract
A catalytic approach to synthesize microfine ultra-high molecular weight polyethylene (UHMWPE) particles was proposed based on the exploitation of nano-sized catalysts. By utilizing MgO nanoparticles as a core material, a Ziegler-Natta-type MgO/MgCl2/TiCl4 core-shell catalyst with the particle size in a nano-range scale was prepared in a simple preparation step. The organic modification of MgO surfaces prior to catalyzation prevented agglomeration and facilitated the full dispersion of catalyst particles at a primary particle level for the first time. The nano-dispersed catalysts successfully afforded a direct access to UHMWPE having the particle size in the range of 1-2 μm at a reasonable activity. Extremely fine polymer particles yielded several advantages, especially at a significantly lower fusion temperature in compression molding.
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Affiliation(s)
| | | | | | - Toshiaki Taniike
- Japan Advanced Institute of Science and Technology, Graduate School of Advanced Science and Technology, Nomi, Japan
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Matta A, Gupta M, Kumar Y, Taniike T, Van der Eycken J, Singh BK. One-Pot Synthesis and Photophysical Studies of Dihydropyrimidinone-Based Dyes: Novel Violet-Blue Light Emitting Fluorophores. ChemistrySelect 2018. [DOI: 10.1002/slct.201802199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Akanksha Matta
- Bioorganic Laboratory; Department of Chemistry; University of Delhi; Delhi 110 007 India
- Graduate School of Advanced Science and Technology; Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi; Ishikawa 923-1292 Japan
- Laboratory for Organic and Bioorganic Synthesis; Department of Organic Chemistry; Ghent University, Krijgslaan 281 (S.4); B-9000-Ghent Belgium
| | - Mohit Gupta
- Bioorganic Laboratory; Department of Chemistry; University of Delhi; Delhi 110 007 India
| | - Yogesh Kumar
- Bioorganic Laboratory; Department of Chemistry; University of Delhi; Delhi 110 007 India
- Department of Chemistry; Hansraj College; University of Delhi, Malka Ganj; Delhi 110 007 India
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology; Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi; Ishikawa 923-1292 Japan
| | - Johan Van der Eycken
- Laboratory for Organic and Bioorganic Synthesis; Department of Organic Chemistry; Ghent University, Krijgslaan 281 (S.4); B-9000-Ghent Belgium
| | - Brajendra K. Singh
- Bioorganic Laboratory; Department of Chemistry; University of Delhi; Delhi 110 007 India
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Dao AT, Shimokata J, Takeuchi K, Nakayama K, Taniike T. Stabilization of recombinant spider silk in thermo-oxidative degradation: High-throughput screening for antioxidants. Polym Degrad Stab 2018. [DOI: 10.1016/j.polymdegradstab.2018.04.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Bando Y, Chammingkwan P, Terano M, Taniike T. Synthesis of Ultrahigh Molecular Weight Polyethylene Using MgO/MgCl
2
/TiCl
4
Core–Shell Catalysts. MACROMOL CHEM PHYS 2018. [DOI: 10.1002/macp.201800011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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)
- Yusuke Bando
- Graduate School of Advanced Science and TechnologyJapan Advanced Institute of Science and Technology 1‐1 Asahidai Nomi Ishikawa 923‐1292 Japan
| | - Patchanee Chammingkwan
- Graduate School of Advanced Science and TechnologyJapan Advanced Institute of Science and Technology 1‐1 Asahidai Nomi Ishikawa 923‐1292 Japan
| | - Minoru Terano
- Graduate School of Advanced Science and TechnologyJapan Advanced Institute of Science and Technology 1‐1 Asahidai Nomi Ishikawa 923‐1292 Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and TechnologyJapan Advanced Institute of Science and Technology 1‐1 Asahidai Nomi Ishikawa 923‐1292 Japan
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Thakur A, Baba R, Chammingkwan P, Terano M, Taniike T. Synthesis of aryloxide-containing half-titanocene catalysts grafted to soluble polynorbornene chains and their application in ethylene polymerization: Integration of multiple active centres in a random coil. J Catal 2018. [DOI: 10.1016/j.jcat.2017.10.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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47
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Chammingkwan P, Yamaguchi F, Terano M, Taniike T. Influence of isotacticity and its distribution on degradation behavior of polypropylene. Polym Degrad Stab 2017. [DOI: 10.1016/j.polymdegradstab.2017.07.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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48
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Matta A, Katada I, Kawazoe J, Chammingkwan P, Terano M, Taniike T. Stabilization of polypropylene-based materials via molecular retention with hyperbranched polymer. Polym Degrad Stab 2017. [DOI: 10.1016/j.polymdegradstab.2017.05.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Abstract
Rational catalyst design necessitates fundamental knowledge on the structure-performance relationship, while the synthetic throughput for heterogeneous Ziegler-Natta olefin polymerization catalysts has long prevented the acquisition of a statistical database. In this contribution, an in-house reactor system was developed to realize the parallel synthesis of support materials for Ziegler-Natta catalysts for the first time. The developed system enabled parallel synthesis of 24 magnesium ethoxide samples with excellent reproducibility and morphological control comparable to a conventional experiment. Our demonstration revealed that the generation of diverse particle characteristics could be achieved through the addition of a third component as a structural modulator, in which the in-house parallel reactor system combined with the first principle component analysis enabled fast screening of effective modulators.
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Affiliation(s)
- Patchanee Chammingkwan
- Graduate School of Advanced
Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Minoru Terano
- Graduate School of Advanced
Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced
Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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50
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Trinh DX, Tran TPN, Taniike T. Fabrication of new composite membrane filled with UiO-66 nanoparticles and its application to nanofiltration. Sep Purif Technol 2017. [DOI: 10.1016/j.seppur.2017.01.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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