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Baumberger CL, Valley VZ, Chambers MB. Direct photocatalytic C-H functionalization mediated by a molybdenum dioxo complex. Chem Commun (Camb) 2024; 60:6901-6904. [PMID: 38888147 DOI: 10.1039/d4cc01789g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
Direct photocatalytic C-H activation mediated by MoO2Cl2(bpy-tBu), a unique photoactive metal OXO, is presented. The limiting step, reoxidation to the Mo dioxo, is evaluated and proposed to occur via a key Cl- loss event. Photocatalyst degradation occurs upon substitution of bpy-tBu with H2O generated during catalysis.
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Affiliation(s)
- Courtney L Baumberger
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803-1804, USA.
| | - Victoria Z Valley
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803-1804, USA.
| | - Matthew B Chambers
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803-1804, USA.
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2
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Singh M, Lee SC, Won K. Lignin phenolation by graft copolymerization to boost its reactivity. Int J Biol Macromol 2024; 266:131258. [PMID: 38556229 DOI: 10.1016/j.ijbiomac.2024.131258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 03/26/2024] [Accepted: 03/28/2024] [Indexed: 04/02/2024]
Abstract
Lignin is the most abundant phenolic biopolymer and a renewable resource of aromatics. It can be used as a phenol substitute in the synthesis of phenolic resins. However, lignin is not as reactive as phenol, so phenolation is generally carried out to improve lignin reactivity. In this work, we suggest a solution to circumvent the limitations of traditional phenolation (e.g., high temperature, strong acids/bases, limited reactivity, and phenol toxicity). We first attempt new lignin phenolation by graft copolymerization in which polymeric phenol, instead of toxic phenol, is introduced to lignin. Organosolv lignin from hardwood was modified with 2-bromoisobutyryl bromide to act as a lignin macroinitiator (L-Br). A protected phenolic monomer, 4-acetoxystyrene, was graft copolymerized onto L-Br using CuBr2/tris[2-(dimethylamino)ethyl]amine as a catalyst/ligand, after which the resultant lignin copolymer was deacetylated to produce lignin grafted with poly(4-hydroxystyrene). This poly-phenolation process was conducted at room temperature without the strong acids/bases and toxic phenol required in conventional phenolation. The poly-phenolated lignin was analyzed using 1H-, 13C-, and 31P NMR spectroscopy and gel permeation chromatography. This novel phenolation process enhanced the reactive sites of lignin more than tenfold. It also reduced the dark color of technical lignins significantly, thereby overcoming a serious obstacle to their applicability.
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Affiliation(s)
- Manisha Singh
- Department of Chemical and Biochemical Engineering, College of Engineering, Dongguk University-Seoul, 30 Pildong-ro 1-gil, Jung-gu, Seoul 04620, Republic of Korea
| | - Sang Cheon Lee
- Department of Chemical and Biochemical Engineering, College of Engineering, Dongguk University-Seoul, 30 Pildong-ro 1-gil, Jung-gu, Seoul 04620, Republic of Korea
| | - Keehoon Won
- Department of Chemical and Biochemical Engineering, College of Engineering, Dongguk University-Seoul, 30 Pildong-ro 1-gil, Jung-gu, Seoul 04620, Republic of Korea.
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3
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Teshima M, Sutiono S, Döring M, Beer B, Boden M, Schenk G, Sieber V. Development of a Highly Selective NAD + -Dependent Glyceraldehyde Dehydrogenase and its Application in Minimal Cell-Free Enzyme Cascades. CHEMSUSCHEM 2024; 17:e202301132. [PMID: 37872118 DOI: 10.1002/cssc.202301132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/18/2023] [Accepted: 10/23/2023] [Indexed: 10/25/2023]
Abstract
Anthropogenic climate change has been caused by over-exploitation of fossil fuels and CO2 emissions. To counteract this, the chemical industry has shifted its focus to sustainable chemical production and the valorization of renewable resources. However, the biggest challenges in biomanufacturing are technical efficiency and profitability. In our minimal cell-free enzyme cascade generating pyruvate as the central intermediate, the NAD+ -dependent, selective oxidation of D-glyceraldehyde was identified as a key reaction step to improve the overall cascade flux. Successive genome mining identified one candidate enzyme with 24-fold enhanced activity and another whose stability is unaffected in 10 % (v/v) ethanol, the final product of our model cascade. Semi-rational engineering improved the substrate selectivity of the enzyme up to 21-fold, thus minimizing side reactions in the one-pot enzyme cascade. The final biotransformation of D-glucose showed a continuous linear production of ethanol (via pyruvate) to a final titer of 4.9 % (v/v) with a molar product yield of 98.7 %. Due to the central role of pyruvate in diverse biotransformations, the optimized production module has great potential for broad biomanufacturing applications.
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Affiliation(s)
- Mariko Teshima
- Chair of Chemistry of Biogenic Resources, Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, 94315, Straubing, Germany
| | - Samuel Sutiono
- Chair of Chemistry of Biogenic Resources, Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, 94315, Straubing, Germany
- Current address: CarboCode Germany GmbH, Byk-Gulden-Straße 2, 78467, Constance, Germany
| | - Manuel Döring
- Chair of Chemistry of Biogenic Resources, Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, 94315, Straubing, Germany
| | - Barbara Beer
- Chair of Chemistry of Biogenic Resources, Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, 94315, Straubing, Germany
- Current address: CASCAT GmbH, Europaring 4, 94315, Straubing, Germany
| | - Mikael Boden
- School of Chemistry and Molecular Biosciences, The University of Queensland, 68 Cooper Rd, St. Lucia, 4072, Brisbane, Australia
| | - Gerhard Schenk
- School of Chemistry and Molecular Biosciences, The University of Queensland, 68 Cooper Rd, St. Lucia, 4072, Brisbane, Australia
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Corner of College and Cooper Rds, St. Lucia, 4072, Brisbane, Australia
- Sustainable Minerals Institute, The University of Queensland, Corner of College and Staff House Rds, St. Lucia, 4072, Brisbane, Australia
| | - Volker Sieber
- Chair of Chemistry of Biogenic Resources, Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, 94315, Straubing, Germany
- School of Chemistry and Molecular Biosciences, The University of Queensland, 68 Cooper Rd, St. Lucia, 4072, Brisbane, Australia
- SynBioFoundry@TUM, Technical University of Munich, Schulgasse 22, 94315, Straubing, Germany
- Catalytic Research Center, Technical University of Munich, Ernst-Otto-Fischer Straße 1, 85748, Garching, Germany
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4
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Das PK, Das BP, Das BK, Dash P. Rhizospheric soil chromium toxicity and its remediation using plant hyperaccumulators. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 26:193-207. [PMID: 37417937 DOI: 10.1080/15226514.2023.2231572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/08/2023]
Abstract
The hyper-accumulation of chromium in its hexavalent form is treated as a hazardous soil pollutant at industrial and mining sites. Excessive accumulation of Cr6+ in soil threatens the environmental health and safety of living organisms. Out of two stable forms of chromium, Cr6+ is highly responsible for ecotoxicity. The expression of the high toxicity of Cr6+ at low concentrations in the soil environment indicates its lethality. It is usually released into the soil during various socio-economic activities. Sustainable remediation of Cr6+ contaminated soil is of utmost need and can be carried out by employing suitable plant hyperaccumulators. Alongside the plant's ability to sequester toxic metals like Cr6+, the rhizospheric soil parameters play a significant role in this technique and are mostly overlooked. Here we review the application of a cost-effective and eco-friendly remediation technology at hyperaccumulators rhizosphere to minimize the Cr6+ led soil toxicity. The use of selected plant species along with effective rhizospheric activities has been suggested as a technique to reduce Cr6+ toxicity on soil and its associated biota. This soil rectification approach may prove to be sustainable and advantageous over other possible techniques. Further, it may open up new solutions for soil Cr6+ management at polluted sites.
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Affiliation(s)
- Pratyush Kumar Das
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Bidyut Prava Das
- Department of Botany, Rama Devi Women's University, Bhubaneswar, Odisha, India
| | - Bikash Kumar Das
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Patitapaban Dash
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
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Robescu MS, Alcántara AR, Calvio C, Morelli CF, Speranza G, Ubiali D, Bavaro T. l-Theanine Goes Greener: A Highly Efficient Bioprocess Catalyzed by the Immobilized γ-Glutamyl Transferase from Bacillus subtilis. CHEMSUSCHEM 2023; 16:e202202108. [PMID: 36655933 DOI: 10.1002/cssc.202202108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/18/2023] [Indexed: 06/17/2023]
Abstract
l-Theanine (l-Th) was synthesized by simply mixing the reactants (l-glutamine and ethylamine in water) at 25 °C and Bacillus subtilis γ-glutamyl transferase (BsGGT) covalently immobilized on glyoxyl-agarose according to a methodology previously reported by our research group; neither buffers, nor other additives were needed. Ratio of l-glutamine (donor) to ethylamine (acceptor), pH, enzymatic units (IU), and reaction time were optimized (molar ratio of donor/acceptor=1 : 8, pH 11.6, 1 IU mL-1 , 6 h), furnishing l-Th in 93 % isolated yield (485 mg, 32.3 g L-1 ) and high purity (99 %), after a simple filtration of the immobilized biocatalyst, distillation of the volatiles (unreacted ethylamine) and direct lyophilization. Immobilized BsGGT was re-used (four reaction cycles) with 100 % activity retention. This enzymatic synthesis represents a straightforward, fast, high-yielding, and easily scalable approach to l-Th preparation, besides having a favorable green chemistry metrics.
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Affiliation(s)
- Marina S Robescu
- Department of Drug Sciences, University of Pavia, viale Taramelli 12, Pavia, Italy
| | - Andrés R Alcántara
- Department of Chemistry in Pharmaceutical Sciences, Complutense University of Madrid, Plaza de Ramon y Cajal s/n, Madrid, Spain
| | - Cinzia Calvio
- Department of Biology and Biotechnology, University of Pavia, via Ferrata 1, Pavia, Italy
| | - Carlo F Morelli
- Department of Chemistry, University of Milan, via Golgi 19, Milano, Italy
| | - Giovanna Speranza
- Department of Chemistry, University of Milan, via Golgi 19, Milano, Italy
| | - Daniela Ubiali
- Department of Drug Sciences, University of Pavia, viale Taramelli 12, Pavia, Italy
| | - Teodora Bavaro
- Department of Drug Sciences, University of Pavia, viale Taramelli 12, Pavia, Italy
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6
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Dai Z, Pomraning KR, Deng S, Kim J, Campbell KB, Robles AL, Hofstad BA, Munoz N, Gao Y, Lemmon T, Swita MS, Zucker JD, Kim YM, Burnum-Johnson KE, Magnuson JK. Metabolic engineering to improve production of 3-hydroxypropionic acid from corn-stover hydrolysate in Aspergillus species. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2023; 16:53. [PMID: 36991437 DOI: 10.1186/s13068-023-02288-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 02/20/2023] [Indexed: 03/31/2023]
Abstract
BACKGROUND Fuels and chemicals derived from non-fossil sources are needed to lessen human impacts on the environment while providing a healthy and growing economy. 3-hydroxypropionic acid (3-HP) is an important chemical building block that can be used for many products. Biosynthesis of 3-HP is possible; however, low production is typically observed in those natural systems. Biosynthetic pathways have been designed to produce 3-HP from a variety of feedstocks in different microorganisms. RESULTS In this study, the 3-HP β-alanine pathway consisting of aspartate decarboxylase, β-alanine-pyruvate aminotransferase, and 3-hydroxypropionate dehydrogenase from selected microorganisms were codon optimized for Aspergillus species and placed under the control of constitutive promoters. The pathway was introduced into Aspergillus pseudoterreus and subsequently into Aspergillus niger, and 3-HP production was assessed in both hosts. A. niger produced higher initial 3-HP yields and fewer co-product contaminants and was selected as a suitable host for further engineering. Proteomic and metabolomic analysis of both Aspergillus species during 3-HP production identified genetic targets for improvement of flux toward 3-HP including pyruvate carboxylase, aspartate aminotransferase, malonate semialdehyde dehydrogenase, succinate semialdehyde dehydrogenase, oxaloacetate hydrolase, and a 3-HP transporter. Overexpression of pyruvate carboxylase improved yield in shake-flasks from 0.09 to 0.12 C-mol 3-HP C-mol-1 glucose in the base strain expressing 12 copies of the β-alanine pathway. Deletion or overexpression of individual target genes in the pyruvate carboxylase overexpression strain improved yield to 0.22 C-mol 3-HP C-mol-1 glucose after deletion of the major malonate semialdehyde dehydrogenase. Further incorporation of additional β-alanine pathway genes and optimization of culture conditions (sugars, temperature, nitrogen, phosphate, trace elements) for 3-HP production from deacetylated and mechanically refined corn stover hydrolysate improved yield to 0.48 C-mol 3-HP C-mol-1 sugars and resulted in a final titer of 36.0 g/L 3-HP. CONCLUSIONS The results of this study establish A. niger as a host for 3-HP production from a lignocellulosic feedstock in acidic conditions and demonstrates that 3-HP titer and yield can be improved by a broad metabolic engineering strategy involving identification and modification of genes participated in the synthesis of 3-HP and its precursors, degradation of intermediates, and transport of 3-HP across the plasma membrane.
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Affiliation(s)
- Ziyu Dai
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA.
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
| | - Kyle R Pomraning
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Shuang Deng
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Joonhoon Kim
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Kristen B Campbell
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Ana L Robles
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Beth A Hofstad
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Nathalie Munoz
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Yuqian Gao
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Teresa Lemmon
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Marie S Swita
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Jeremy D Zucker
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Young-Mo Kim
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Kristin E Burnum-Johnson
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Jon K Magnuson
- DOE Agile Biofoundry, Emeryville, CA, 94608, USA.
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
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Treu P, Sarma BB, Grunwaldt JD, Saraçi E. Oxidative cleavage of vicinal diols catalyzed by monomeric Fe‐sites inside MFI zeolite. ChemCatChem 2022. [DOI: 10.1002/cctc.202200993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Philipp Treu
- Karlsruhe Institute of Technology: Karlsruher Institut fur Technologie Institute of Catalysis Research and Technology GERMANY
| | - Bidyut Bikash Sarma
- Karlsruhe Institute of Technology: Karlsruher Institut fur Technologie Institute of Catalysis Research and Technology GERMANY
| | - Jan-Dierk Grunwaldt
- Karlsruhe Institute of Technology: Karlsruher Institut fur Technologie Institute for Chemical Technology and Polymer Chemistry GERMANY
| | - Erisa Saraçi
- Karlsruhe Institute of Technology Institute for Catalysis Science and Technology Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen GERMANY
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8
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Alcántara AR, Domínguez de María P, Littlechild JA, Schürmann M, Sheldon RA, Wohlgemuth R. Biocatalysis as Key to Sustainable Industrial Chemistry. CHEMSUSCHEM 2022; 15:e202102709. [PMID: 35238475 DOI: 10.1002/cssc.202102709] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/10/2022] [Indexed: 06/14/2023]
Abstract
The role and power of biocatalysis in sustainable chemistry has been continuously brought forward step by step to its present outstanding position. The problem-solving capabilities of biocatalysis have been realized by numerous substantial achievements in biology, chemistry and engineering. Advances and breakthroughs in the life sciences and interdisciplinary cooperation with chemistry have clearly accelerated the implementation of biocatalytic synthesis in modern chemistry. Resource-efficient biocatalytic manufacturing processes have already provided numerous benefits to sustainable chemistry as well as customer-centric value creation in the pharmaceutical, food, flavor, fragrance, vitamin, agrochemical, polymer, specialty, and fine chemical industries. Biocatalysis can make significant contributions not only to manufacturing processes, but also to the design of completely new value-creation chains. Biocatalysis can now be considered as a key enabling technology to implement sustainable chemistry.
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Affiliation(s)
- Andrés R Alcántara
- Department of Chemistry in Pharmaceutical Sciences (QUICIFARM), Complutense University of Madrid (UCM), 28040-, Madrid, Spain
| | - Pablo Domínguez de María
- Sustainable Momentum, SL, Av. Ansite 3, 4-6, 35011, Las Palmas de Gran Canaria, Canary Is., Spain
| | - Jennifer A Littlechild
- Henry Wellcome Building for Biocatalysis, Biosciences, University of Exeter, Stocker Road, Exeter, EX4 4QD, United Kingdom
| | | | - Roger A Sheldon
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Braamfontein, Johannesburg, South Africa
| | - Roland Wohlgemuth
- Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, 90-537, Lodz, Poland
- Swiss Coordination Committee for Biotechnology, 8021, Zurich, Switzerland
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9
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Federsel HJ. Taking the Green Road Towards Pharmaceutical Manufacturing. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/a-1752-5471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
AbstractThe introduction of the Green Chemistry Principles in the late 1990s formed the basis for a transition to a greener environment. These Principles have become an integral part in the work on designing chemical processes, especially for large-scale manufacture. The ultimate target is the achievement of a sustainable production method allowing hundreds of tons of valuable materials to be prepared. For this purpose, a holistic view must be applied to the elements constituting a fully-fledged process encompassing layout of the synthetic route, defining starting materials and their origin, output of product and quality features, quantity of effluent streams and waste, recovery and recycling of chemicals involved, and energy consumption. These parameters form a complex matrix where the individual components are in a complicated relationship with each other. This short review addresses these issues and the benefits of life-cycle assessment and metrics commonly used to measure the performance of chemical manufacturing – all from a pharmaceutical industry perspective as experienced by the author.1 Introduction: Facing Severe Challenges2 The Historical Context: Addressing an Image Problem3 Prospects, Drivers and Roadmap for the Green Future4 Living by the Principles: Industrial Perspectives5 Taking the Green Route – Catalysis Leading the Way: Case Stories6 State of the Art: How Green Are We?7 Sending Signals, Creating Impressions: Focus on Communication8 Conclusions
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Dehydration of Fructose to 5-Hydroxymethylfurfural: Effects of Acidity and Porosity of Different Catalysts in the Conversion, Selectivity, and Yield. CHEMISTRY 2021. [DOI: 10.3390/chemistry3040087] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
There is a demand for renewable resources, such as biomass, to produce compounds considered as platform molecules. This study deals with dehydration of fructose for the formation of 5-hydroxymethylfurfural (HMF), a feedstock molecule. Different catalysts (aluminosilicates, niobic acid, 12-tungstophosphoric acid—HPW, and supported HPW/Niobia) were studied for this reaction in an aqueous medium. The catalysts were characterized by XRD, FT-IR, N2 sorption at −196 °C and pyridine adsorption. It was evident that the nature of the sites (Brønsted and Lewis), strength, quantity and accessibility to the acidic sites are critical to the conversion and yield results. A synergic effect of acidity and mesoporous area are key factors affecting the activity and selectivity of the solid acids. Niobic acid (Nb2O5·nH2O) revealed the best efficiency (highest TON, yield, selectivity and conversion). It was determined that the optimum acidity strength of catalysts should be between 80 to 100 kJ mol−1, with about 0.20 to 0.30 mmol g−1 of acid sites, density about 1 site nm−2 and mesoporous area about 100 m2 g−1. These values fit well within the general order of the observed selectivity (i.e., Nb2O5 > HZSM-5 > 20%HPW/Nb2O5 > SiO2-Al2O3 > HY > HBEA).
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11
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Lluna‐Galán C, Izquierdo‐Aranda L, Adam R, Cabrero‐Antonino JR. Catalytic Reductive Alcohol Etherifications with Carbonyl-Based Compounds or CO 2 and Related Transformations for the Synthesis of Ether Derivatives. CHEMSUSCHEM 2021; 14:3744-3784. [PMID: 34237201 PMCID: PMC8518999 DOI: 10.1002/cssc.202101184] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/07/2021] [Indexed: 05/27/2023]
Abstract
Ether derivatives have myriad applications in several areas of chemical industry and academia. Hence, the development of more effective and sustainable protocols for their production is highly desired. Among the different methodologies reported for ether synthesis, catalytic reductive alcohol etherifications with carbonyl-based moieties (aldehydes/ketones and carboxylic acid derivatives) have emerged in the last years as a potential tool. These processes constitute appealing routes for the selective production of both symmetrical and asymmetrical ethers (including O-heterocycles) with an increased molecular complexity. Likewise, ester-to-ether catalytic reductions and hydrogenative alcohol etherifications with CO2 to dialkoxymethanes and other acetals, albeit in less extent, have undergone important advances, too. In this Review, an update of the recent progresses in the area of catalytic reductive alcohol etherifications using carbonyl-based compounds and CO2 have been described with a special focus on organic synthetic applications and catalyst design. Complementarily, recent progress made in catalytic acetal/ketal-to-ether or ester-to-ether reductions and other related transformations have been also summarized.
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Affiliation(s)
- Carles Lluna‐Galán
- Instituto de Tecnología QuímicaUniversitat Politécnica de València-Consejo Superior Investigaciones Científicas (UPV-CSIC)Avda. de los Naranjos s/n46022ValenciaSpain
| | - Luis Izquierdo‐Aranda
- Instituto de Tecnología QuímicaUniversitat Politécnica de València-Consejo Superior Investigaciones Científicas (UPV-CSIC)Avda. de los Naranjos s/n46022ValenciaSpain
| | - Rosa Adam
- Instituto de Tecnología QuímicaUniversitat Politécnica de València-Consejo Superior Investigaciones Científicas (UPV-CSIC)Avda. de los Naranjos s/n46022ValenciaSpain
| | - Jose R. Cabrero‐Antonino
- Instituto de Tecnología QuímicaUniversitat Politécnica de València-Consejo Superior Investigaciones Científicas (UPV-CSIC)Avda. de los Naranjos s/n46022ValenciaSpain
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Morales-Cerrada R, Molina-Gutierrez S, Lacroix-Desmazes P, Caillol S. Eugenol, a Promising Building Block for Biobased Polymers with Cutting-Edge Properties. Biomacromolecules 2021; 22:3625-3648. [PMID: 34464094 DOI: 10.1021/acs.biomac.1c00837] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Biobased materials, derived from biomass building blocks, are essential in the pursuit of sustainable materials. Eugenol, a natural phenol obtained from clove oil, but also from lignin depolymerization, possesses a chemical structure that allows its easy modification to obtain a broad and versatile platform of biobased monomers. In this Perspective, an overview of the variety of reactions that have been executed on the allylic double bond, phenol hydroxyl group, aromatic ring, and methoxy group is given, focusing our attention on those to obtain monomers suitable for different polymerization reactions. Furthermore, possible applications and perspectives on the eugenol-derived materials are provided.
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Affiliation(s)
| | | | | | - Sylvain Caillol
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier 34000, France
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13
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Liu X, Yin B, Zhang W, Yu X, Du Y, Zhao S, Zhang G, Liu M, Yan H, Abbotsi-Dogbey M, Al-Absi ST, Yeredil S, Yang C, Shen J, Yan W, Jin X. Catalytic Transfer Hydrogenolysis of Glycerol over Heterogeneous Catalysts: A Short Review on Mechanistic Studies. CHEM REC 2021; 21:1792-1810. [PMID: 33973696 DOI: 10.1002/tcr.202100037] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/25/2021] [Indexed: 01/01/2023]
Abstract
Catalytic transfer hydrogenolysis, using liquid H-donors in the absence of pressurized H2 under mild temperatures, is regarded as the most important technology to substitute traditional hydrogenation processes in industry. Despite decade development with several breakthroughs in catalyst design, the reaction mechanism involved in H2 generation and subsequent hydrogenolysis reactions is still under debate. In this review, transfer hydrogenolysis of glycerol, as a representative example, on metallic catalysts is revised critically with respect to surface reaction mechanism and catalyst design. The detailed reaction pathways for propanol, methanol, formic acid and ethanol for H2 generation have been discussed systematically. In particular, reaction mechanism for catalytic C-H cleavage, H spillover/transfer and C-O cleavage reaction steps will be critically revised with experimental and theoretical results in literature. Insights into reaction pathways, mechanism and H2 transfer efficiency and structure-performance relation for Pd, Cu and Ni catalysts will be provided for future development of catalyst manufacture and process development. The outcome of this work is useful for successful implementation of bio-refinery.
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Affiliation(s)
- Xi Liu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Bin Yin
- College of Fisheries, Southwest University, No.2 Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Wenxiang Zhang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Xiao Yu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Yiyao Du
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Siming Zhao
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Guangyu Zhang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Mengyuan Liu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Hao Yan
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Manuela Abbotsi-Dogbey
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Saleem T Al-Absi
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Sayan Yeredil
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Chaohe Yang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Jian Shen
- College of Environment and Resources, Xiangtan University, No. 27 Lujiatan Road, Yuhu District, Xiangtan, Hunan Province, 411105, China
| | - Wenjuan Yan
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
| | - Xin Jin
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, No. 66 Changjiang West Road, Qingdao, Shandong Province, 266580, China
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Lukito BR, Wang Z, Sundara Sekar B, Li Z. Production of (R)-mandelic acid from styrene, L-phenylalanine, glycerol, or glucose via cascade biotransformations. BIORESOUR BIOPROCESS 2021; 8:22. [PMID: 38650227 PMCID: PMC10992357 DOI: 10.1186/s40643-021-00374-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 02/19/2021] [Indexed: 02/07/2023] Open
Abstract
(R)-mandelic acid is an industrially important chemical, especially used for producing antibiotics. Its chemical synthesis often uses highly toxic cyanide to produce its racemic form, followed by kinetic resolution with 50% maximum yield. Here we report a green and sustainable biocatalytic method for producing (R)-mandelic acid from easily available styrene, biobased L-phenylalanine, and renewable feedstocks such as glycerol and glucose, respectively. An epoxidation-hydrolysis-double oxidation artificial enzyme cascade was developed to produce (R)-mandelic acid at 1.52 g/L from styrene with > 99% ee. Incorporation of deamination and decarboxylation into the above cascade enables direct conversion of L-phenylalanine to (R)-mandelic acid at 913 mg/L and > 99% ee. Expressing the five-enzyme cascade in an L-phenylalanine-overproducing E. coli NST74 strain led to the direct synthesis of (R)-mandelic acid from glycerol or glucose, affording 228 or 152 mg/L product via fermentation. Moreover, coupling of E. coli cells expressing L-phenylalanine biosynthesis pathway with E. coli cells expressing the artificial enzyme cascade enabled the production of 760 or 455 mg/L (R)-mandelic acid from glycerol or glucose. These simple, safe, and green methods show great potential in producing (R)-mandelic acid from renewable feedstocks.
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Affiliation(s)
- Benedict Ryan Lukito
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Zilong Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
- Synthetic Biology for Clinical and Technological Innovation (SynCTI), Life Sciences Institute, National University of Singapore, Singapore, 117456, Singapore
| | - Balaji Sundara Sekar
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
- Synthetic Biology for Clinical and Technological Innovation (SynCTI), Life Sciences Institute, National University of Singapore, Singapore, 117456, Singapore
| | - Zhi Li
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore.
- Synthetic Biology for Clinical and Technological Innovation (SynCTI), Life Sciences Institute, National University of Singapore, Singapore, 117456, Singapore.
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15
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Gallastegui A, Gabirondo E, Elizalde F, Aranburu N, Mecerreyes D, Sardon H. Chemically recyclable glycerol-biobased polyether thermosets. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2020.110174] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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16
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Chatterjee B, Chang W, Werlé C. Molecularly Controlled Catalysis – Targeting Synergies Between Local and Non‐local Environments. ChemCatChem 2020. [DOI: 10.1002/cctc.202001431] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Basujit Chatterjee
- Max Planck Institute for Chemical Energy Conversion Stiftstr. 34–36 45470 Mülheim an der Ruhr Germany
- Ruhr University Bochum Universitätsstr. 150 44801 Bochum Germany
| | - Wei‐Chieh Chang
- Max Planck Institute for Chemical Energy Conversion Stiftstr. 34–36 45470 Mülheim an der Ruhr Germany
- Ruhr University Bochum Universitätsstr. 150 44801 Bochum Germany
| | - Christophe Werlé
- Max Planck Institute for Chemical Energy Conversion Stiftstr. 34–36 45470 Mülheim an der Ruhr Germany
- Ruhr University Bochum Universitätsstr. 150 44801 Bochum Germany
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17
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Kim Y, Mittal A, Robichaud DJ, Pilath HM, Etz BD, St. John PC, Johnson DK, Kim S. Prediction of Hydroxymethylfurfural Yield in Glucose Conversion through Investigation of Lewis Acid and Organic Solvent Effects. ACS Catal 2020. [DOI: 10.1021/acscatal.0c04245] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yeonjoon Kim
- National Renewable Energy Laboratory, 15523 Denver West Parkway, Golden, Colorado 80401-3393, United States
| | - Ashutosh Mittal
- National Renewable Energy Laboratory, 15523 Denver West Parkway, Golden, Colorado 80401-3393, United States
| | - David J. Robichaud
- National Renewable Energy Laboratory, 15523 Denver West Parkway, Golden, Colorado 80401-3393, United States
| | - Heidi M. Pilath
- National Renewable Energy Laboratory, 15523 Denver West Parkway, Golden, Colorado 80401-3393, United States
| | - Brian D. Etz
- National Renewable Energy Laboratory, 15523 Denver West Parkway, Golden, Colorado 80401-3393, United States
| | - Peter C. St. John
- National Renewable Energy Laboratory, 15523 Denver West Parkway, Golden, Colorado 80401-3393, United States
| | - David K. Johnson
- National Renewable Energy Laboratory, 15523 Denver West Parkway, Golden, Colorado 80401-3393, United States
| | - Seonah Kim
- National Renewable Energy Laboratory, 15523 Denver West Parkway, Golden, Colorado 80401-3393, United States
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18
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Botti L, Kondrat SA, Navar R, Padovan D, Martinez‐Espin JS, Meier S, Hammond C. Solvent‐Activated Hafnium‐Containing Zeolites Enable Selective and Continuous Glucose–Fructose Isomerisation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006718] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Luca Botti
- Department of Chemical Engineering Imperial College London London SW7 2AZ UK
- Cardiff Catalysis Institute Cardiff University Cardiff CF10 3AT UK
| | | | - Ricardo Navar
- Cardiff Catalysis Institute Cardiff University Cardiff CF10 3AT UK
| | - Daniele Padovan
- Cardiff Catalysis Institute Cardiff University Cardiff CF10 3AT UK
| | | | - Sebastian Meier
- Department of Chemistry Technical University of Denmark Kemitorvet Building 207 2800-Kgs. Lyngby Denmark
| | - Ceri Hammond
- Department of Chemical Engineering Imperial College London London SW7 2AZ UK
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19
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Jampana SR, Jia L, Ramarao BV, Kumar D. Experimental investigation of the adsorption and desorption of cellulase enzymes on zeolite-β for enzyme recycling applications. Bioprocess Biosyst Eng 2020; 44:495-505. [PMID: 33067668 DOI: 10.1007/s00449-020-02459-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 09/30/2020] [Indexed: 11/24/2022]
Abstract
The recyclability of cellulase enzymes using zeolite and polyethylene glycol (PEG) was investigated. The cellulase enzymes from cellulose hydrolysate suspensions were adsorbed onto zeolite-β under typical working conditions (pH 5). PEG having a molecular weight of 200 Da and 20 kDa was used as an eluent to desorb the cellulase enzymes from zeolite-β. Adsorption and desorption profiles of cellulase enzymes were studied by varying pH, PEG concentration, and salt concentration. Maximum binding capacity, qm of the zeolite decreased by increasing the pH, or by introducing PEG. At pH 5, the qm of the zeolite was determined to be 121 × 10-3 g/g. About 24%, 51% and 75% of the adsorbed enzyme can be recovered using 1 M NaCl, PEG 200 and PEG 20000, respectively. The specific activity of the recovered enzyme increased by 57% due to the presence of residual PEG.
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Affiliation(s)
- Surya R Jampana
- Department of Chemical Engineering, SUNY College of Environmental Science and Forestry, SYRACUSE, New York, NY, 13210, USA
| | - Linjing Jia
- Department of Chemical Engineering, SUNY College of Environmental Science and Forestry, SYRACUSE, New York, NY, 13210, USA
| | - Bandaru V Ramarao
- Department of Chemical Engineering, SUNY College of Environmental Science and Forestry, SYRACUSE, New York, NY, 13210, USA.
| | - Deepak Kumar
- Department of Chemical Engineering, SUNY College of Environmental Science and Forestry, SYRACUSE, New York, NY, 13210, USA
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20
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Synthesis of bio-based polymacrolactones with pendant eugenol moieties as novel antimicrobial thermoplastic materials. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104714] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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21
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Botti L, Kondrat SA, Navar R, Padovan D, Martinez-Espin JS, Meier S, Hammond C. Solvent-Activated Hafnium-Containing Zeolites Enable Selective and Continuous Glucose-Fructose Isomerisation. Angew Chem Int Ed Engl 2020; 59:20017-20023. [PMID: 32686886 PMCID: PMC7818259 DOI: 10.1002/anie.202006718] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Indexed: 11/10/2022]
Abstract
The isomerisation of glucose to fructose is a critical step towards manufacturing petroleum-free chemicals from lignocellulosic biomass. Herein we show that Hf-containing zeolites are unique catalysts for this reaction, enabling true thermodynamic equilibrium to be achieved in a single step during intensified continuous operation, which no chemical or biological catalyst has yet been able to achieve. Unprecedented single-pass yields of 58 % are observed at a fructose selectivity of 94 %, and continuous operation for over 100 hours is demonstrated. The unexpected performance of the catalyst is realised following a period of activation within the reactor, during which time interaction with the solvent generates a state of activity that is absent in the synthesised catalyst. Mechanistic studies by X-ray absorption spectroscopy, chemisorption FTIR, operando UV/Vis and 1 H-13 C HSQC NMR spectroscopy indicate that activity arises from isolated HfIV atoms with monofunctional acidic properties.
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Affiliation(s)
- Luca Botti
- Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK.,Cardiff Catalysis Institute, Cardiff University, Cardiff, CF10 3AT, UK
| | - Simon A Kondrat
- Department of Chemistry, Loughborough University, Loughborough, UK
| | - Ricardo Navar
- Cardiff Catalysis Institute, Cardiff University, Cardiff, CF10 3AT, UK
| | - Daniele Padovan
- Cardiff Catalysis Institute, Cardiff University, Cardiff, CF10 3AT, UK
| | | | - Sebastian Meier
- Department of Chemistry, Technical University of Denmark, Kemitorvet Building 207, 2800-Kgs., Lyngby, Denmark
| | - Ceri Hammond
- Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK
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22
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Chatel G. Chemists around the World, Take Your Part in the Circular Economy! Chemistry 2020; 26:9665-9673. [PMID: 32608524 DOI: 10.1002/chem.202002327] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/29/2020] [Indexed: 11/06/2022]
Abstract
Based on recent examples and initiatives reported in the literature, this concept article discusses how chemistry can contribute to the circular economy approach in order to improve our current and future economical, societal, and environmental system. Through five proposed levels of contribution, chemists can take a significant part in this global approach via the consideration of green chemistry principles, the simplification of syntheses, the limitation of complex products preparation, the efficient utilization of resources but also the novel ways of waste valorization. A more systematic and generalized environmental and economic assessment from the lab-scale is also recommended. At last, chemists have to work even more collaboratively and in a multidisciplinary way, within chemistry and beyond.
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23
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Canela-Xandri A, Balcells M, Villorbina G, Christou P, Canela-Garayoa R. Preparation and Uses of Chlorinated Glycerol Derivatives. Molecules 2020; 25:E2511. [PMID: 32481583 PMCID: PMC7321119 DOI: 10.3390/molecules25112511] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/19/2020] [Accepted: 05/25/2020] [Indexed: 11/16/2022] Open
Abstract
Crude glycerol (C3H8O3) is a major by-product of biodiesel production from vegetable oils and animal fats. The increased biodiesel production in the last two decades has forced glycerol production up and prices down. However, crude glycerol from biodiesel production is not of adequate purity for industrial uses, including food, cosmetics and pharmaceuticals. The purification process of crude glycerol to reach the quality standards required by industry is expensive and dificult. Novel uses for crude glycerol can reduce the price of biodiesel and make it an economical alternative to diesel. Moreover, novel uses may improve environmental impact, since crude glycerol disposal is expensive and dificult. Glycerol is a versatile molecule with many potential applications in fermentation processes and synthetic chemistry. It serves as a glucose substitute in microbial growth media and as a precursor in the synthesis of a number of commercial intermediates or fine chemicals. Chlorinated derivatives of glycerol are an important class of such chemicals. The main focus of this review is the conversion of glycerol to chlorinated derivatives, such as epichlorohydrin and chlorohydrins, and their further use in the synthesis of additional downstream products. Downstream products include non-cyclic compounds with allyl, nitrile, azide and other functional groups, as well as oxazolidinones and triazoles, which are cyclic compounds derived from ephichlorohydrin and chlorohydrins. The polymers and ionic liquids, which use glycerol as an initial building block, are highlighted, as well.
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Affiliation(s)
- Anna Canela-Xandri
- Department of Chemistry, University of Lleida-Agrotecnio Centre and DBA center, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain; (A.C.-X.); (M.B.); (G.V.)
| | - Mercè Balcells
- Department of Chemistry, University of Lleida-Agrotecnio Centre and DBA center, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain; (A.C.-X.); (M.B.); (G.V.)
| | - Gemma Villorbina
- Department of Chemistry, University of Lleida-Agrotecnio Centre and DBA center, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain; (A.C.-X.); (M.B.); (G.V.)
| | - Paul Christou
- Department of Crop and Forest Sciences, University of Lleida-Agrotecnio Center, Av. Rovira Roure 191, 25198 Lleida, Spain;
- ICREA, Catalan Institute for Research and Advanced Studies, Passeig Lluıís Companys 23, 08010 Barcelona, Spain
| | - Ramon Canela-Garayoa
- Department of Chemistry, University of Lleida-Agrotecnio Centre and DBA center, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain; (A.C.-X.); (M.B.); (G.V.)
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24
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Basterretxea A, Lopez de Pariza X, Gabirondo E, Marina S, Martin J, Etxeberria A, Mecerreyes D, Sardon H. Synthesis and Characterization of Fully Biobased Copolyether Polyols. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c00723] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Andere Basterretxea
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 7, 20018 Donostia-San, Sebastian, Spain
| | - Xabier Lopez de Pariza
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 7, 20018 Donostia-San, Sebastian, Spain
| | - Elena Gabirondo
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 7, 20018 Donostia-San, Sebastian, Spain
| | - Sara Marina
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 7, 20018 Donostia-San, Sebastian, Spain
| | - Jaime Martin
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 7, 20018 Donostia-San, Sebastian, Spain
| | - Agustin Etxeberria
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 7, 20018 Donostia-San, Sebastian, Spain
| | - David Mecerreyes
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 7, 20018 Donostia-San, Sebastian, Spain
| | - Haritz Sardon
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 7, 20018 Donostia-San, Sebastian, Spain
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25
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Kapoor K, Tyagi AK, Diwan RK. Effect of gamma irradiation on recovery of total reducing sugars from delignified sugarcane bagasse. Radiat Phys Chem Oxf Engl 1993 2020. [DOI: 10.1016/j.radphyschem.2019.108643] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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26
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Gani R, Bałdyga J, Biscans B, Brunazzi E, Charpentier JC, Drioli E, Feise H, Furlong A, Van Geem KM, de Hemptinne JC, ten Kate AJ, Kontogeorgis GM, Manenti F, Marin GB, Mansouri SS, Piccione PM, Povoa A, Rodrigo MA, Sarup B, Sorensen E, Udugama IA, Woodley JM. A multi-layered view of chemical and biochemical engineering. Chem Eng Res Des 2020. [DOI: 10.1016/j.cherd.2020.01.008] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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27
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Optimized Bioproduction of Itaconic and Fumaric Acids Based on Solid-State Fermentation of Lignocellulosic Biomass. Molecules 2020; 25:molecules25051070. [PMID: 32121002 PMCID: PMC7179149 DOI: 10.3390/molecules25051070] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/24/2020] [Accepted: 02/25/2020] [Indexed: 02/06/2023] Open
Abstract
The bioproduction of high-value chemicals such as itaconic and fumaric acids (IA and FA, respectively) from renewable resources via solid-state fermentation (SSF) represents an alternative to the current bioprocesses of submerged fermentation using refined sugars. Both acids are excellent platform chemicals with a wide range of applications in different market, such as plastics, coating, or cosmetics. The use of lignocellulosic biomass instead of food resources (starch or grains) in the frame of a sustainable development for IA and FA bioproduction is of prime importance. Filamentous fungi, especially belonging to the Aspergillus genus, have shown a great capacity to produce these organic dicarboxylic acids. This study attempts to develop and optimize the SSF conditions with lignocellulosic biomasses using A. terreus and A. oryzae to produce IA and FA. First, a kinetic study of SSF was performed with non-food resources (wheat bran and corn cobs) and a panel of pH and moisture conditions was studied during fermentation. Next, a new process using an enzymatic cocktail simultaneously with SSF was investigated in order to facilitate the use of the biomass as microbial substrate. Finally, a large-scale fermentation process was developed for SSF using corn cobs with A. oryzae; this specific condition showed the best yield in acid production. The yields achieved were 0.05 mg of IA and 0.16 mg of FA per gram of biomass after 48 h. These values currently represent the highest reported productions for SSF from raw lignocellulosic biomass.
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28
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Huang M, Bai D, Chen Q, Zhao C, Ren T, Huang C, North M, Xie H. Facile preparation of polycarbonates from bio-based eugenol and 2-methoxy-4-vinylphenol. Polym Chem 2020. [DOI: 10.1039/d0py00291g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Polymerization of α,ω-diene functionalized carbonate monomers prepared from bio-based eugenol and 2-methoxy-4-vinylphenol through thiol–ene click and ADMET polymerizations produced polycarbonates with moderate molecular weight satisfactory thermal properties.
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Affiliation(s)
- Mengqian Huang
- Department of Polymeric Materials & Engineering
- College of Materials & Metallurgy
- Guizhou University
- West Campus
- Guizhou University
| | - De Bai
- Department of Polymeric Materials & Engineering
- College of Materials & Metallurgy
- Guizhou University
- West Campus
- Guizhou University
| | - Qin Chen
- Department of Polymeric Materials & Engineering
- College of Materials & Metallurgy
- Guizhou University
- West Campus
- Guizhou University
| | - Changbo Zhao
- Department of Polymeric Materials & Engineering
- College of Materials & Metallurgy
- Guizhou University
- West Campus
- Guizhou University
| | - Tianhua Ren
- Department of Polymeric Materials & Engineering
- College of Materials & Metallurgy
- Guizhou University
- West Campus
- Guizhou University
| | - Caijuan Huang
- Department of Polymeric Materials & Engineering
- College of Materials & Metallurgy
- Guizhou University
- West Campus
- Guizhou University
| | - Michael North
- Green Chemistry Centre of Excellence
- Department of Chemistry
- University of York
- York
- UK
| | - Haibo Xie
- Department of Polymeric Materials & Engineering
- College of Materials & Metallurgy
- Guizhou University
- West Campus
- Guizhou University
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29
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NMR Investigation into the Influence of Surface Interactions on Liquid Diffusion in a Mesoporous Catalyst Support. Top Catal 2019. [DOI: 10.1007/s11244-019-01209-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AbstractPulsed field gradient NMR diffusion measurements provide a non-invasive measure of the mass transport (self-diffusion) characteristics of liquids confined to porous catalyst materials. Here we explore the ability of this technique to probe the diffusive behaviour of a series of short-chain primary alcohols within a mesoporous catalyst support material; through the comparison of our results with highly surface-sensitive NMR relaxation data, we show that the evaluation of bulk-pore diffusion dynamics may provide a simple and indirect method to access and explore surface interaction phenomena occurring at the catalyst-liquid interface.
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Burger P, Plainfossé H, Brochet X, Chemat F, Fernandez X. Extraction of Natural Fragrance Ingredients: History Overview and Future Trends. Chem Biodivers 2019; 16:e1900424. [PMID: 31419369 DOI: 10.1002/cbdv.201900424] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 08/16/2019] [Indexed: 11/06/2022]
Abstract
For centuries, perfumes consisted in a combination of natural ingredients, mainly of plant origin. From the 19th century on, the advent of organic synthesis enabled the deployment of multiple synthetic olfactory notes, enriching significantly the perfumers' portfolio. Chemistry is ever since the foundation of modern perfumery. However, sustainable-minded consumers, massively rejecting synthetics for safety and ecological issues, engaged a global return to nature in numerous sectors, and the fragrance industry is not outdone. Sustainable extraction of natural products, making use of innovative technologies, process intensification and agro-based solvents, constitutes the answer to develop eco-conceived fragrant ingredients covering every olfactory family without endangering biodiversity any further. The objective of this review is to draw a clear picture of where those technological advances are today and to assess the ones that may be effectively transposed at the industrial scale tomorrow.
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Affiliation(s)
- Pauline Burger
- NissActive, Pépinière Innovagrasse, Espace Jacques-Louis Lions, 4 traverse Dupont, FR-06130, Grasse, France
| | - Hortense Plainfossé
- NissActive, Pépinière Innovagrasse, Espace Jacques-Louis Lions, 4 traverse Dupont, FR-06130, Grasse, France.,Université Côte d'Azur, CNRS, ICN, Parc Valrose, FR-06108, Nice cedex 2, France
| | - Xavier Brochet
- Firmenich Grasse, ZI les bois de Grasse, 14 avenue Joseph Honoré Isnard, FR-06130, Grasse, France
| | - Farid Chemat
- Avignon University, INRA, UMR408, GREEN Extraction Team, FR-84000, Avignon, France
| | - Xavier Fernandez
- Université Côte d'Azur, CNRS, ICN, Parc Valrose, FR-06108, Nice cedex 2, France
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Highly Selective Oxidation of 5-Hydroxymethylfurfural to 5-Hydroxymethyl-2-Furancarboxylic Acid by a Robust Whole-Cell Biocatalyst. Catalysts 2019. [DOI: 10.3390/catal9060526] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Value-added utilization of biomass-derived 5-hydroxymethylfurfural (HMF) to produce useful derivatives is of great interest. In this work, extremely radiation resistant Deinococcus wulumuqiensis R12 was explored for the first time as a new robust biocatalyst for selective oxidation of HMF to 5-hydroxymethylfuroic acid (HMFCA). Its resting cells exhibited excellent catalytic performance in a broad range of pH and temperature values, and extremely high tolerance to HMF and the HMFCA product. An excellent yield of HMFCA (up to 90%) was achieved when the substrate concentration was set to 300 mM under the optimized reaction conditions. In addition, 511 mM of product was obtained within 20 h by employing a fed-batch strategy, affording a productivity of 44 g/L per day. Of significant synthetic interest was the finding that the D. wulumuqiensis R12 cells were able to catalyze the selective oxidation of other structurally diverse aldehydes to their corresponding acids with good yield and high selectivity, indicating broad substrate scope and potential widespread applications in biotechnology and organic chemistry.
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32
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Yu L, Wu F, Chen G. Next‐Generation Industrial Biotechnology‐Transforming the Current Industrial Biotechnology into Competitive Processes. Biotechnol J 2019; 14:e1800437. [DOI: 10.1002/biot.201800437] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 02/01/2019] [Indexed: 01/16/2023]
Affiliation(s)
- Lin‐Ping Yu
- Ministry of Education Key Laboratory for Bioinformatics, School of Life SciencesTsinghua University New Biology Building 100084 Beijing China
- Center for Synthetic and Systems BiologyTsinghua University New Biology Building 100084 Beijing China
- Tsinghua‐Peking Center for Life SciencesTsinghua University New Biology Building 100084 Beijing China
| | - Fu‐Qing Wu
- Ministry of Education Key Laboratory for Bioinformatics, School of Life SciencesTsinghua University New Biology Building 100084 Beijing China
- Center for Synthetic and Systems BiologyTsinghua University New Biology Building 100084 Beijing China
- Tsinghua‐Peking Center for Life SciencesTsinghua University New Biology Building 100084 Beijing China
| | - Guo‐Qiang Chen
- Ministry of Education Key Laboratory for Bioinformatics, School of Life SciencesTsinghua University New Biology Building 100084 Beijing China
- Center for Synthetic and Systems BiologyTsinghua University New Biology Building 100084 Beijing China
- Tsinghua‐Peking Center for Life SciencesTsinghua University New Biology Building 100084 Beijing China
- Manchester Institute of Biotechnology, Centre for Synthetic BiologyThe University of Manchester 131 Princess Street Manchester M1 7DN UK
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33
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Cao J, Tamura M, Nakagawa Y, Tomishige K. Direct Synthesis of Unsaturated Sugars from Methyl Glycosides. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00589] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ji Cao
- Department of Applied Chemistry, School of Engineering, Tohoku University, Aoba 6-6-07, Aramaki, Aoba-ku, Sendai, Miyagi 980−8579, Japan
| | - Masazumi Tamura
- Department of Applied Chemistry, School of Engineering, Tohoku University, Aoba 6-6-07, Aramaki, Aoba-ku, Sendai, Miyagi 980−8579, Japan
| | - Yoshinao Nakagawa
- Department of Applied Chemistry, School of Engineering, Tohoku University, Aoba 6-6-07, Aramaki, Aoba-ku, Sendai, Miyagi 980−8579, Japan
| | - Keiichi Tomishige
- Department of Applied Chemistry, School of Engineering, Tohoku University, Aoba 6-6-07, Aramaki, Aoba-ku, Sendai, Miyagi 980−8579, Japan
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Athaley A, Annam P, Saha B, Ierapetritou M. Techno-economic and life cycle analysis of different types of hydrolysis process for the production of p-Xylene. Comput Chem Eng 2019. [DOI: 10.1016/j.compchemeng.2018.11.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Lee YG, Seo JH. Production of 2,3-butanediol from glucose and cassava hydrolysates by metabolically engineered industrial polyploid Saccharomyces cerevisiae. BIOTECHNOLOGY FOR BIOFUELS 2019; 12:204. [PMID: 31485270 PMCID: PMC6714309 DOI: 10.1186/s13068-019-1545-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 08/17/2019] [Indexed: 05/05/2023]
Abstract
BACKGROUND 2,3-Butanediol (2,3-BDO) is a valuable chemical for industrial applications. Bacteria can produce 2,3-BDO with a high productivity, though most of their classification as pathogens makes them undesirable for the industrial-scale production. Though Saccharomyces cerevisiae (GRAS microorganism) was engineered to produce 2,3-BDO efficiently in the previous studies, their 2,3-BDO productivity, yield, and titer were still uncompetitive compared to those of bacteria production. Thus, we propose an industrial polyploid S. cerevisiae as a host for efficient production of 2,3-BDO with high growth rate, rapid sugar consumption rate, and resistance to harsh conditions. Genetic manipulation tools for polyploid yeast had been limited; therefore, we engineered an industrial polyploid S. cerevisiae strain based on the CRISPR-Cas9 genome-editing system to produce 2,3-BDO instead of ethanol. RESULTS Endogenous genes coding for pyruvate decarboxylase and alcohol dehydrogenase were partially disrupted to prevent declined growth rate and C2-compound limitation. A bacterial 2,3-BDO-producing pathway was also introduced in engineered polyploid S. cerevisiae. A fatal redox imbalance was controlled through the heterologous NADH oxidase from Lactococcus lactis during the 2,3-BDO production. The resulting strain (YG01_SDBN) still retained the beneficial traits as polyploid strains for the large-scale fermentation. The combination of partially disrupted PDC (pyruvate decarboxylase) and ADH (alcohol dehydrogenase) did not cause the severe growth defects typically found in all pdc- or adh-deficient yeast. The YG01_SDBN strain produced 178 g/L of 2,3-BDO from glucose with an impressive productivity (2.64 g/L h). When a cassava hydrolysate was used as a sole carbon source, this strain produced 132 g/L of 2,3-BDO with a productivity of 1.92 g/L h. CONCLUSIONS The microbial production of 2,3-BDO has been limited to bacteria and haploid laboratorial S. cerevisiae strains. This study suggests that an industrial polyploid S. cerevisiae (YG01_SDBN) can produce high concentration of 2,3-BDO with various advantages. Integration of metabolic engineering of the industrial yeast at the gene level with optimization of fed-batch fermentation at the process scale resulted in a remarkable achievement of 2,3-BDO production at 178 g/L of 2,3-BDO concentration and 2.64 g/L h of productivity. Furthermore, this strain could make a bioconversion of a cassava hydrolysate to 2,3-BDO with economic and environmental benefits. The engineered industrial polyploid strain could be applicable to production of biofuels and biochemicals in large-scale fermentations particularly when using modified CRISPR-Cas9 tools.
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Affiliation(s)
- Ye-Gi Lee
- Department of Agricultural Biotechnology and Center for Food and Bioconvergence, Seoul National University, Seoul, 08826 Republic of Korea
| | - Jin-Ho Seo
- Department of Agricultural Biotechnology and Center for Food and Bioconvergence, Seoul National University, Seoul, 08826 Republic of Korea
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Ricci L, Umiltà E, Righetti MC, Messina T, Zurlini C, Montanari A, Bronco S, Bertoldo M. On the thermal behavior of protein isolated from different legumes investigated by DSC and TGA. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2018; 98:5368-5377. [PMID: 29660127 DOI: 10.1002/jsfa.9078] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 03/22/2018] [Accepted: 04/07/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Pea, lentil, faba bean, chickpea and bean proteins are potentially renewable raw materials for bioplastic production that can be obtained from agricultural waste. Plastics are usually processed under heating, and thus thermal stability is a mandatory requirement for the application. In this study, the thermal behavior of several legume protein isolates at different purity degrees was investigated. RESULTS The thermal stability of proteins extracted from legumes was maximum for chickpeas and minimum for beans and decreased with decreasing protein purity in the range 30-88%. A similar dependence on purity was observed for the glass transition temperature. On the contrary, the denaturation temperature was found not to depend on sample purity and origin and was lower than the degradation temperature only in the case of protein samples with purity higher than 60%. CONCLUSION Proteins from legumes are suitable to produce thermoplastic biopolymeric materials if isolated at purity higher than 60%. In fact, under this circumstance, they can be denaturized without degrading and thus are suitable for extrusion processing. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Lucia Ricci
- Istituto per i Processi Chimico-Fisici, Sede Secondaria di Pisa, Consiglio Nazionale delle Ricerche, CNR-IPCF, Area della Ricerca, Pisa, Italy
| | - Eleonora Umiltà
- Stazione Sperimentale per l'Industria delle Conserve Alimentari - SSICA, Parma, Italy
| | - Maria C Righetti
- Istituto per i Processi Chimico-Fisici, Sede Secondaria di Pisa, Consiglio Nazionale delle Ricerche, CNR-IPCF, Area della Ricerca, Pisa, Italy
| | - Tiziana Messina
- Istituto per i Processi Chimico-Fisici, Sede Secondaria di Pisa, Consiglio Nazionale delle Ricerche, CNR-IPCF, Area della Ricerca, Pisa, Italy
| | - Chiara Zurlini
- Stazione Sperimentale per l'Industria delle Conserve Alimentari - SSICA, Parma, Italy
| | - Angela Montanari
- Stazione Sperimentale per l'Industria delle Conserve Alimentari - SSICA, Parma, Italy
| | - Simona Bronco
- Istituto per i Processi Chimico-Fisici, Sede Secondaria di Pisa, Consiglio Nazionale delle Ricerche, CNR-IPCF, Area della Ricerca, Pisa, Italy
| | - Monica Bertoldo
- Istituto per i Processi Chimico-Fisici, Sede Secondaria di Pisa, Consiglio Nazionale delle Ricerche, CNR-IPCF, Area della Ricerca, Pisa, Italy
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37
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Gómez-Álvarez P, Noya EG, Lomba E, Valencia S, Pires J. Study of Short-Chain Alcohol and Alcohol-Water Adsorption in MEL and MFI Zeolites. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:12739-12750. [PMID: 30296099 DOI: 10.1021/acs.langmuir.8b02326] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In this paper, we present a comparative study of the adsorption behavior of short chain alcohols (pure and in aqueous solution) into silicalite-1 (MFI-type zeolite) and silicalite-2 (MEL-type zeolite). For quite some time, silicalite-1 has been the reference material to address the problem of adsorptive-based separation, mostly for hydrocarbon mixtures. Interestingly, being structurally close to silicalite-1, adsorption studies using silicalite-2 are scarce and to the best of our knowledge, a comparative study of their behavior for alcohol-water mixtures has not been published to date. We have here resorted to molecular simulation techniques to analyze the adsorption and diffusion phenomena in both zeolites at 25 and 50 °C for pure methanol, ethanol, 1-butanol, and water, and for some relevant compositions of alcohol/water mixtures. In addition to the dilute regime in the mixture, our study ranges from intermediate alcohol concentrations to alcohol-rich phases, relevant to alcohol purification processes. Besides, we have performed volumetric and calorimetric measurements of single-component adsorption of alcohols in pure silica MEL zeolite, which were used to validate the model potentials used in the simulations. We observe that the zigzag channels of MFI zeolite are most likely responsible for its somewhat higher affinity for alcohols. This leads to higher adsorption selectivities when compared to those of MEL zeolite. We have also found that the choice of water model strongly conditions water coadsorption into the zeolites and subsequently the predictions of the adsorbent's selectivity in alcohol/water systems. Despite considerable differences for adsorbed pure components, diffusivities of alcohol and water adsorbed from mixtures are relatively similar, as a consequence of the strong hydrogen bonds between hydroxyl groups and water.
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Affiliation(s)
- Paula Gómez-Álvarez
- Instituto de Química Física Rocasolano, CSIC , Serrano 119 , E-28006 Madrid , Spain
| | - Eva G Noya
- Instituto de Química Física Rocasolano, CSIC , Serrano 119 , E-28006 Madrid , Spain
| | - Enrique Lomba
- Instituto de Química Física Rocasolano, CSIC , Serrano 119 , E-28006 Madrid , Spain
| | - Susana Valencia
- Instituto de Tecnología Química , Universitat Politècnica de València-CSIC , Avenida de los Naranjos, s/n , Valencia 46022 , Spain
| | - João Pires
- CQB and CQE, Departamento de Química e Bioquímica, Faculdade de Ciências , Universidade de Lisboa , Ed. C8 , Campo Grande , 1749-016 Lisboa , Portugal
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38
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Robinson N, Robertson C, Gladden LF, Jenkins SJ, D'Agostino C. Direct Correlation between Adsorption Energetics and Nuclear Spin Relaxation in a Liquid-saturated Catalyst Material. Chemphyschem 2018; 19:2472-2479. [PMID: 29923663 DOI: 10.1002/cphc.201800513] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Indexed: 11/09/2022]
Abstract
The ratio of NMR relaxation time constants <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow><mml:msub><mml:mi>T</mml:mi> <mml:mn>1</mml:mn></mml:msub> <mml:mo>/</mml:mo> <mml:msub><mml:mi>T</mml:mi> <mml:mn>2</mml:mn></mml:msub> </mml:mrow> </mml:math> provides a non-destructive indication of the relative surface affinities exhibited by adsorbates within liquid-saturated mesoporous catalysts. In the present work we provide supporting evidence for the existence of a quantitative relationship between such measurements and adsorption energetics. As a prototypical example with relevance to green chemical processes we examine and contrast the relaxation characteristics of primary alcohols and cyclohexane within an industrial silica catalyst support. <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow><mml:msub><mml:mi>T</mml:mi> <mml:mn>1</mml:mn></mml:msub> <mml:mo>/</mml:mo> <mml:msub><mml:mi>T</mml:mi> <mml:mn>2</mml:mn></mml:msub> </mml:mrow> </mml:math> values obtained at intermediate magnetic field strength are in good agreement with DFT adsorption energy calculations performed on single molecules interacting with an idealised silica surface. Our results demonstrate the remarkable ability of this metric to quantify surface affinities within systems of relevance to liquid-phase heterogeneous catalysis, and highlight NMR relaxation as a powerful method for the determination of adsorption phenomena within mesoporous solids.
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Affiliation(s)
- Neil Robinson
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge, CB3 0AS, United Kingdom.,Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
| | - Christopher Robertson
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge, CB3 0AS, United Kingdom
| | - Lynn F Gladden
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge, CB3 0AS, United Kingdom
| | - Stephen J Jenkins
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
| | - Carmine D'Agostino
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge, CB3 0AS, United Kingdom.,Present address: School of Chemical Engineering and Analytical Science, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom
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Kim J, Hwangbo H. Sensor-Based Real-Time Detection in Vulcanization Control Using Machine Learning and Pattern Clustering. SENSORS (BASEL, SWITZERLAND) 2018; 18:E3123. [PMID: 30223609 PMCID: PMC6163192 DOI: 10.3390/s18093123] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 09/01/2018] [Accepted: 09/12/2018] [Indexed: 11/16/2022]
Abstract
Recent paradigm shifts in manufacturing have resulted from the need for a smart manufacturing environment. In this study, we developed a model to detect anomalous signs in advance and embedded it in an existing programmable logic controller system. For this, we investigated the innovation process for smart manufacturing in the domain of synthetic rubber and its vulcanization process, as well as a real-time sensing technology. The results indicate that only analysis of the pattern of input variables can lead to significant results without the generation of target variables through manual testing of chemical properties. We have also made a practical contribution to the realization of a smart manufacturing environment by building cloud-based infrastructure and models for the pre-detection of defects.
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Affiliation(s)
- Jonghyuk Kim
- Department of Global Economics, Gachon University, Gyeonggi-do 13120, Korea.
| | - Hyunwoo Hwangbo
- Department of Data & Knowledge Service Engineering, Dankook University, Gyeonggi-do 16890, Korea.
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Jin H, Li Y, Yang W. Adsorption of Biomass-Derived Polyols onto Metal–Organic Frameworks from Aqueous Solutions. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b01372] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hua Jin
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Yanshuo Li
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Weishen Yang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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41
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Petri A, Masia G, Piccolo O. Biocatalytic conversion of 5-hydroxymethylfurfural: Synthesis of 2,5-bis(hydroxymethyl)furan and 5-(hydroxymethyl)furfurylamine. CATAL COMMUN 2018. [DOI: 10.1016/j.catcom.2018.05.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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42
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A novel method for preparing high purity Actinobacillus succinogenes stock and its long-term acid production in a packed bed reactor. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.biteb.2018.04.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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43
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Improving the Healthiness of Sustainable Construction: Example of Polyvinyl Chloride (PVC). BUILDINGS 2018. [DOI: 10.3390/buildings8020028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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44
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S. VM, P. C, Dahiya S, A. NK. Waste derived bioeconomy in India: A perspective. N Biotechnol 2018; 40:60-69. [DOI: 10.1016/j.nbt.2017.06.006] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 06/19/2017] [Accepted: 06/22/2017] [Indexed: 12/17/2022]
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45
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El Fergani M, Candu N, Coman SM, Parvulescu VI. Nb-Based Zeolites: Efficient bi-Functional Catalysts for the One-Pot Synthesis of Succinic Acid from Glucose. Molecules 2017; 22:E2218. [PMID: 29240713 PMCID: PMC6149682 DOI: 10.3390/molecules22122218] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 12/08/2017] [Accepted: 12/12/2017] [Indexed: 11/16/2022] Open
Abstract
The one-pot production of succinic acid from glucose was investigated in pure hot water as solvent using Nb (0.02 and 0.05 moles%)-Beta zeolites obtained by a post-synthesis methodology. Structurally, they are comprised of residual framework Al-acid sites, extra-framework isolated Nb (V) and Nb₂O₅ pore-encapsulated clusters. The Nb-modified Beta-zeolites acted as bi-functional catalysts in which glucose is dehydrated to levulinic acid (LA) which, further, suffers an oxidation process to succinic acid (SA). After the optimization of the reaction conditions, that is, at 180 °C, 18 bar O₂, and 12 h reaction time, the oxidation of glucose occurred with a selectivity to succinic acid as high as 84% for a total conversion.
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Affiliation(s)
- Magdi El Fergani
- Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, Bdul Regina Elisabeta 4-12, Bucharest 030016, Romania.
| | - Natalia Candu
- Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, Bdul Regina Elisabeta 4-12, Bucharest 030016, Romania.
| | - Simona M Coman
- Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, Bdul Regina Elisabeta 4-12, Bucharest 030016, Romania.
| | - Vasile I Parvulescu
- Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, Bdul Regina Elisabeta 4-12, Bucharest 030016, Romania.
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Numata T, Saito T, Kawakami T, Yamanaka S, Okumura M. Quantum mechanics study on synthetic model of copper-containing quercetin 2,4-dioxygenase. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.02.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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47
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Grubbs RB, Grubbs RH. 50th Anniversary Perspective: Living Polymerization—Emphasizing the Molecule in Macromolecules. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b01440] [Citation(s) in RCA: 229] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Robert B. Grubbs
- Chemistry
Department, Stony Brook University, Stony Brook, New York 11794, United States
| | - Robert H. Grubbs
- Department
of Chemistry, California Institute of Technology, Pasadena, California 91125, United States
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48
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Highly efficient preparation of 5-hydroxymethylfurfural from sucrose using ionic liquids and heteropolyacid catalysts in dimethyl sulfoxide–water mixed solvent. CHINESE CHEM LETT 2017. [DOI: 10.1016/j.cclet.2017.02.016] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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49
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50
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Lee M, Neukirchen S, Cabrele C, Reiser O. Visible-light photoredox-catalyzed desulfurization of thiol- and disulfide-containing amino acids and small peptides. J Pept Sci 2017; 23:556-562. [DOI: 10.1002/psc.3016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 05/11/2017] [Accepted: 05/12/2017] [Indexed: 01/09/2023]
Affiliation(s)
- Myungmo Lee
- Institute of Organic Chemistry; University of Regensburg; D-93053 Regensburg Germany
| | - Saskia Neukirchen
- Department of Molecular Biology; University of Salzburg; A-5020 Salzburg Austria
- Department of Chemistry and Biochemistry; Ruhr-University Bochum; Universitätsstrasse 150 44801 Bochum Germany
| | - Chiara Cabrele
- Department of Molecular Biology; University of Salzburg; A-5020 Salzburg Austria
| | - Oliver Reiser
- Institute of Organic Chemistry; University of Regensburg; D-93053 Regensburg Germany
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