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Catalysts
Special Issues
Bio-Inspired Materials: Learning from the Nature to Improve the Catalyst
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Bio-Inspired Materials: Learning from the Nature to Improve the Catalyst

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Biocatalysis".

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 9079

Special Issue Editors

Dr. Jesús Hidalgo-Carrillo

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Guest Editor
Organic Chemistry Department, University of Cordoba, Campus de Excelencia Internacional Agroalimentario (ceiA3), Campus de Rabanales, Marie Curie Building, E-14014 Cordoba, Spain
Interests: heterogeneous catalysis; environmental catalysis; bio-inspired materials photocatalyst; nanomaterials and nanotechnology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Alberto Marinas Aramendía

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Guest Editor
Departamento de Química Orgánica, Instituto Universitario de Investigación en Química Fina y Nanoquímica IUIQFN, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie, E-14071 Córdoba, Spain
Interests: heterogeneous (photo) catalysis applied to sustainable chemistry; biomass valorization; materials science; fine chemistry
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Francisco José Urbano Navarro

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Guest Editor
Departamento de Química Orgánica, Instituto Universitario de Investigación en Química Fina y Nanoquímica IUIQFN, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie, E-14071 Córdoba, Spain
Interests: acid-base heterogeneous catalysis; catalysts characterization; sustainable chemistry; photocatalysis; photocatalytic reforming of oxygenated compounds

Special Issue Information

Dear Colleagues,

Nature has been perfecting materials and biological systems through evolution over thousands of years, optimizing the use of materials and energy, with high functionality. Science can learn from these biological materials and systems by taking advantage of their structures or mechanisms of action through their replication.

Obtaining these bio-inspired materials can open fields of study that through traditional methods would be complex or unfeasible. Bio-inspired materials are one of the most promising fields of research in the coming years. The field of application of these materials is very wide, covering nanomedicine, energy capture and storage, sensors, biocompatible materials, adsorbents, and catalysis. In the latter case, bio-inspired materials can be applied as catalysts requiring different types of active sites (i.e., redox, acidic, basic sites or a combination of them) to a wide range of processes, including CO2 reduction, selective hydrogenations and oxidations or biomass conversion, among others.

This Special Issue aims to cover current experimental studies in the field of bio-inspired materials synthesis, their characterization, and application in heterogeneous catalysis. Recreating nature or life itself is, perhaps, the best way to understand them.

Dr. Jesús Hidalgo-Carrillo
Prof. Dr. Alberto Marinas Aramendía
Prof. Dr. Francisco José Urbano Navarro
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Catalysts is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • bio-inspired materials
  • bio-templating
  • bio-mimicking
  • bio-templated
  • templates
  • catalyst
  • catalysis
  • raw materials
  • hierarchical catalyst

Published Papers (3 papers)

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Research

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17 pages, 4052 KiB  
Article
Hydroxyl-Decorated Diiron Complex as a [FeFe]-Hydrogenase Active Site Model Complex: Light-Driven Photocatalytic Activity and Heterogenization on Ethylene-Bridged Periodic Mesoporous Organosilica
by Juan Amaro-Gahete, Dolores Esquivel, Mariia V. Pavliuk, César Jiménez-Sanchidrián, Haining Tian, Sascha Ott and Francisco J. Romero-Salguero
Catalysts 2022, 12(3), 254; https://doi.org/10.3390/catal12030254 - 23 Feb 2022
Cited by 4 | Viewed by 2272
Abstract
A biomimetic model complex of the [FeFe]-hydrogenase active site (FeFeOH) with an ethylene bridge and a pendant hydroxyl group has been synthesized, characterized and evaluated as catalyst for the light-driven hydrogen production. The interaction of the hydroxyl group present in the complex with [...] Read more.
A biomimetic model complex of the [FeFe]-hydrogenase active site (FeFeOH) with an ethylene bridge and a pendant hydroxyl group has been synthesized, characterized and evaluated as catalyst for the light-driven hydrogen production. The interaction of the hydroxyl group present in the complex with 3-isocyanopropyltriethoxysilane provided a carbamate triethoxysilane bearing a diiron dithiolate complex (NCOFeFe), thus becoming a potentially promising candidate for anchoring on heterogeneous supports. As a proof of concept, the NCOFeFe precursor was anchored by a grafting procedure into a periodic mesoporous organosilica with ethane bridges (EthanePMO@NCOFeFe). Both molecular and heterogenized complexes were tested as catalysts for light-driven hydrogen generation in aqueous solutions. The photocatalytic conditions were optimized for the homogenous complex by varying the reaction time, pH, amount of the catalyst or photosensitizer, photon flux, and the type of light source (light-emitting diode (LED) and Xe lamp). It was shown that the molecular FeFeOH diiron complex achieved a decent turnover number (TON) of 70 after 6 h, while NCOFeFe and EthanePMO@NCOFeFe had slightly lower activities showing TONs of 37 and 5 at 6 h, respectively. Full article
(This article belongs to the Special Issue Bio-Inspired Materials: Learning from the Nature to Improve the Catalyst)
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10 pages, 3071 KiB  
Article
Synthesis and Characterization of Bio-Active GFP-P4VP Core–Shell Nanoparticles
by Erik Sarnello, Yuzi Liu, Bethany Palen, Elaine Sun, Xiaobing Zuo, Tao Xu and Tao Li
Catalysts 2020, 10(6), 627; https://doi.org/10.3390/catal10060627 - 05 Jun 2020
Cited by 3 | Viewed by 2761
Abstract
Bioactive core–shell nanoparticles (CSNPs) offer the unique ability for protein/enzyme functionality in non-native environments. For many decades, researchers have sought to develop synthetic materials which mimic the efficiency and catalytic power of bioactive macromolecules such as enzymes and proteins. This research studies a [...] Read more.
Bioactive core–shell nanoparticles (CSNPs) offer the unique ability for protein/enzyme functionality in non-native environments. For many decades, researchers have sought to develop synthetic materials which mimic the efficiency and catalytic power of bioactive macromolecules such as enzymes and proteins. This research studies a self-assembly method in which functionalized, polymer-core/protein-shell nanoparticles are prepared in mild conditions. Transmission electron microscopy (TEM) and dynamic light scattering (DLS) techniques were utilized to analyze the size and distribution of the CSNPs. The methods outlined in this research demonstrate a mild, green chemistry synthesis route for CSNPs which are highly tunable and allow for enzyme/protein functionality in non-native conditions. Full article
(This article belongs to the Special Issue Bio-Inspired Materials: Learning from the Nature to Improve the Catalyst)
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Review

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34 pages, 1890 KiB  
Review
Bio-Templating: An Emerging Synthetic Technique for Catalysts. A Review
by M. Carmen Herrera-Beurnio, Jesús Hidalgo-Carrillo, Francisco J. López-Tenllado, Juan Martin-Gómez, Rafael C. Estévez, Francisco J. Urbano and Alberto Marinas
Catalysts 2021, 11(11), 1364; https://doi.org/10.3390/catal11111364 - 12 Nov 2021
Cited by 13 | Viewed by 3049
Abstract
In the last few years, researchers have focused their attention on the synthesis of new catalyst structures based on or inspired by nature. Biotemplating involves the transfer of biological structures to inorganic materials through artificial mineralization processes. This approach offers the main advantage [...] Read more.
In the last few years, researchers have focused their attention on the synthesis of new catalyst structures based on or inspired by nature. Biotemplating involves the transfer of biological structures to inorganic materials through artificial mineralization processes. This approach offers the main advantage of allowing morphological control of the product, as a template with the desired morphology can be pre-determined, as long as it is found in nature. This way, natural evolution through millions of years can provide us with new synthetic pathways to develop some novel functional materials with advantageous properties, such as sophistication, miniaturization, hybridization, hierarchical organization, resistance, and adaptability to the required need. The field of application of these materials is very wide, covering nanomedicine, energy capture and storage, sensors, biocompatible materials, adsorbents, and catalysis. In the latter case, bio-inspired materials can be applied as catalysts requiring different types of active sites (i.e., redox, acidic, basic sites, or a combination of them) to a wide range of processes, including conventional thermal catalysis, photocatalysis, or electrocatalysis, among others. This review aims to cover current experimental studies in the field of biotemplating materials synthesis and their characterization, focusing on their application in heterogeneous catalysis. Full article
(This article belongs to the Special Issue Bio-Inspired Materials: Learning from the Nature to Improve the Catalyst)
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