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Ugya AY, Hasan DB, Ari HA, Sheng Y, Chen H, Wang Q. Antibiotic synergistic effect surge bioenergy potential and pathogen resistance of Chlorella variabilis biofilm. ENVIRONMENTAL RESEARCH 2024; 259:119521. [PMID: 38960350 DOI: 10.1016/j.envres.2024.119521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 06/21/2024] [Accepted: 06/29/2024] [Indexed: 07/05/2024]
Abstract
Tetracycline (TC) and ciprofloxacin (CF) induce a synergistic effect that alters the biochemical composition, leading to a decrease in the growth and photosynthetic efficiency of microalgae. But the current study provides a novel insight into stress-inducing techniques that trigger a change in macromolecules, leading to an increase in the bioenergy potential and pathogen resistance of Chlorella variabilis biofilm. The study revealed that in a closed system, a light intensity of 167 μmol/m2/s causes 93.5% degradation of TC and 16% degradation of CF after 7 days of exposure, hence availing the products for utilization by C. variabilis biofilm. The resistance to pathogens invasion was linked to 85% and 40% increase in the expression level of photosystem II oxygen-evolving enhancer protein 3 (PsbQ), and mitogen activated kinase (MAK) respectively. The results also indicate that a surge in light intensity triggers 49% increase in the expression level of lysophosphatidylcholine (LPC) (18:2), which is an important lipidomics that can easily undergo transesterification into bioenergy. The thermogravimetric result indicates that the biomass sample of C. variabilis biofilm cultivated under light intensity of 167 μmol/m2/s produces a higher residual mass of 45.5% and 57.5 under air and inert conditions, respectively. The Fourier transform infrared (FTIR) indicates a slight shift in the major functional groups, while the energy-dispersive X-ray spectroscopy (SEM-EDS) and X-ray fluorescence (XRF) indicate clear differences in the morphology and elemental composition of the biofilm biomass in support of the increase bioenergy potential of C. variabilis biofilm. The current study provides a vital understanding of a innovative method of cultivation of C. variabilis biofilm, which is resistant to pathogens and controls the balance between fatty acid and TAG synthesis leading to surge in bioenergy potential and environmental sustainability.
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Affiliation(s)
- Adamu Yunusa Ugya
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, China; Henan Key Laboratory of Synthetic Biology and Biomanufacturing, Henan University, Kaifeng, China; Department of Environmental Management, Kaduna State University, Kaduna State, Nigeria
| | - Diya'uddeen Basheer Hasan
- Centre for Energy Research and Training (CERT), Ahmadu Bello University, Zaria, Kaduna State, Nigeria
| | | | - Yangyang Sheng
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, China
| | - Hui Chen
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, China; Henan Key Laboratory of Synthetic Biology and Biomanufacturing, Henan University, Kaifeng, China
| | - Qiang Wang
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, China; Henan Key Laboratory of Synthetic Biology and Biomanufacturing, Henan University, Kaifeng, China.
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Rigo E, Totée C, Ladmiral V, Caillol S, Lacroix-Desmazes P. 4-Vinyl Guaiacol: A Key Intermediate for Biobased Polymers. Molecules 2024; 29:2507. [PMID: 38893382 PMCID: PMC11174018 DOI: 10.3390/molecules29112507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 06/21/2024] Open
Abstract
In order to contribute to the shift from petro-based chemistry to biobased chemistry, necessary to minimize the environmental impacts of the chemical industry, 2-methoxy-4-vinylphenol (4-vinyl guaiacol, 4VG) was used to synthesize a platform of biobased monomers. Thus, nine biobased monomers were successfully prepared. The synthesis procedures were investigated through the green metrics calculations in order to quantify the sustainability of our approaches. Their radical homopolymerization in toluene solution initiated by 2,2'-azobis(2-methylpropionitrile) (AIBN) was studied and the effect of residual 4VG as a radical inhibitor on the kinetics of polymerization was also explored. The new homopolymers were characterized by proton nuclear magnetic resonance (1H-NMR) spectroscopy, size exclusion chromatography and thermal analyses (dynamical scanning calorimetry DSC, thermal gravimetric analysis TGA). By varying the length of the alkyl ester or ether group of the 4VG derivatives, homopolymers with Tg ranging from 117 °C down to 5 °C were obtained. These new biobased monomers could be implemented in radical copolymerization as substitutes to petro-based monomers to decrease the carbon footprint of the resulting copolymers for various applications.
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Affiliation(s)
- Elena Rigo
- ICGM, University of Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (E.R.); (C.T.); (V.L.); (S.C.)
- Synthomer Speciality Chemicals SAS, 76430 Sandouville, France
- Synthomer Ltd., Harlow CM20 2BH, UK
| | - Cédric Totée
- ICGM, University of Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (E.R.); (C.T.); (V.L.); (S.C.)
| | - Vincent Ladmiral
- ICGM, University of Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (E.R.); (C.T.); (V.L.); (S.C.)
| | - Sylvain Caillol
- ICGM, University of Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (E.R.); (C.T.); (V.L.); (S.C.)
| | - Patrick Lacroix-Desmazes
- ICGM, University of Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (E.R.); (C.T.); (V.L.); (S.C.)
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Mohammadi M, Alian M, Dale B, Ubanwa B, Balan V. Multifaced application of AFEX-pretreated biomass in producing second-generation biofuels, ruminant animal feed, and value-added bioproducts. Biotechnol Adv 2024; 72:108341. [PMID: 38499256 DOI: 10.1016/j.biotechadv.2024.108341] [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: 02/04/2024] [Revised: 03/06/2024] [Accepted: 03/15/2024] [Indexed: 03/20/2024]
Abstract
Lignocellulosic biomass holds a crucial position in the prospective bio-based economy, serving as a sustainable and renewable source for a variety of bio-based products. These products play a vital role in displacing fossil fuels and contributing to environmental well-being. However, the inherent recalcitrance of biomass poses a significant obstacle to the efficient access of sugar polymers. Consequently, the bioconversion of lignocellulosic biomass into fermentable sugars remains a prominent challenge in biorefinery processes to produce biofuels and biochemicals. In addressing these challenges, extensive efforts have been dedicated to mitigating biomass recalcitrance through diverse pretreatment methods. One noteworthy process is Ammonia Fiber Expansion (AFEX) pretreatment, characterized by its dry-to-dry nature and minimal water usage. The volatile ammonia, acting as a catalyst in the process, is recyclable. AFEX contributes to cleaning biomass ester linkages and facilitating the opening of cell wall structures, enhancing enzyme accessibility and leading to a fivefold increase in sugar conversion compared to untreated biomass. Over the last decade, AFEX has demonstrated substantial success in augmenting the efficiency of biomass conversion processes. This success has unlocked the potential for sustainable and economically viable biorefineries. This paper offers a comprehensive review of studies focusing on the utilization of AFEX-pretreated biomass in the production of second-generation biofuels, ruminant feed, and additional value-added bioproducts like enzymes, lipids, proteins, and mushrooms. It delves into the details of the AFEX pretreatment process at both laboratory and pilot scales, elucidates the mechanism of action, and underscores the role of AFEX in the biorefinery for developing biofuels and bioproducts, and nutritious ruminant animal feed production. While highlighting the strides made, the paper also addresses current challenges in the commercialization of AFEX pretreatment within biorefineries. Furthermore, it outlines critical considerations that must be addressed to overcome these challenges, ensuring the continued progress and widespread adoption of AFEX in advancing sustainable and economically viable bio-based industries.
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Affiliation(s)
- Maedeh Mohammadi
- Department of Engineering Technology, Cullen College of Engineering, University of Houston, Sugarland, TX 77479, USA
| | - Mahsa Alian
- Department of Engineering Technology, Cullen College of Engineering, University of Houston, Sugarland, TX 77479, USA
| | - Bruce Dale
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI 48824, USA
| | - Bryan Ubanwa
- Department of Engineering Technology, Cullen College of Engineering, University of Houston, Sugarland, TX 77479, USA
| | - Venkatesh Balan
- Department of Engineering Technology, Cullen College of Engineering, University of Houston, Sugarland, TX 77479, USA.
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Monteiro JP, Domingues MR, Calado R. Marine Animal Co-Products-How Improving Their Use as Rich Sources of Health-Promoting Lipids Can Foster Sustainability. Mar Drugs 2024; 22:73. [PMID: 38393044 PMCID: PMC10890326 DOI: 10.3390/md22020073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/12/2024] [Accepted: 01/26/2024] [Indexed: 02/25/2024] Open
Abstract
Marine lipids are recognized for their-health promoting features, mainly for being the primary sources of omega-3 fatty acids, and are therefore critical for human nutrition in an age when the global supply for these nutrients is experiencing an unprecedent pressure due to an ever-increasing demand. The seafood industry originates a considerable yield of co-products worldwide that, while already explored for other purposes, remain mostly undervalued as sustainable sources of healthy lipids, often being explored for low-value oil production. These co-products are especially appealing as lipid sources since, besides the well-known nutritional upside of marine animal fat, which is particularly rich in omega-3 polyunsaturated fatty acids, they also have interesting bioactive properties, which may garner them further interest, not only as food, but also for other high-end applications. Besides the added value that these co-products may represent as valuable lipid sources, there is also the obvious ecological upside of reducing seafood industry waste. In this sense, repurposing these bioresources will contribute to a more sustainable use of marine animal food, reducing the strain on already heavily depleted seafood stocks. Therefore, untapping the potential of marine animal co-products as valuable lipid sources aligns with both health and environmental goals by guaranteeing additional sources of healthy lipids and promoting more eco-conscious practices.
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Affiliation(s)
- João Pedro Monteiro
- Centro de Espetrometria de Massa, LAQV-REQUIMTE, Departamento de Química, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
- CESAM, Departamento de Química, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - M. Rosário Domingues
- Centro de Espetrometria de Massa, LAQV-REQUIMTE, Departamento de Química, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
- CESAM, Departamento de Química, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Ricardo Calado
- ECOMARE, CESAM, Departamento de Biologia, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
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Azizova LR, Kulik TV, Palianytsia BB, Ilchenko MM, Telbiz GM, Balu AM, Tarnavskiy S, Luque R, Roldan A, Kartel MT. The Role of Surface Complexes in Ketene Formation from Fatty Acids via Pyrolysis over Silica: from Platform Molecules to Waste Biomass. J Am Chem Soc 2023; 145:26592-26610. [PMID: 38047620 PMCID: PMC10722514 DOI: 10.1021/jacs.3c06966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 11/02/2023] [Accepted: 11/06/2023] [Indexed: 12/05/2023]
Abstract
Fatty acids (FA) are the main constituents of lipids and oil crop waste, considered to be a promising 2G biomass that can be converted into ketenes via catalytic pyrolysis. Ketenes are appraised as promising synthons for the pharmaceutical, polymer, and chemical industries. Progress in the thermal conversion of short- and long-chain fatty acids into ketenes requires a deep understanding of their interaction mechanisms with the nanoscale oxide catalysts. In this work, the interactions of fatty acids with silica are investigated using a wide range of experimental and computational techniques (TPD MS, DFT, FTIR, in situ IR, equilibrium adsorption, and thermogravimetry). The adsorption isotherms of linear and branched fatty acids C1-C6 on the silica surface from aqueous solution have been obtained. The relative quantities of different types of surface complexes, as well as kinetic parameters of their decomposition, were calculated. The formation of surface complexes with a coordination bond between the carbonyl oxygens and silicon atoms in the surface-active center, which becomes pentacoordinate, was confirmed by DFT calculations, in good agreement with the IR feature at ∼1680 cm 1. Interestingly, ketenes release relate to these complexes' decomposition as confirmed by the thermal evolution of the absorption band (1680 cm-1) synchronously with the TPD peak of the ketene molecular ion. The established regularities of the ketenezation are also observed for the silica-induced pyrolysis of glyceryl trimyristate and real waste, rapeseed meals.
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Affiliation(s)
- Liana R. Azizova
- School
of Dentistry, Cardiff University, Heath Park, Cardiff CF14 4XY, U.K.
- Chuiko
Institute of Surface Chemistry, National
Academy of Science of Ukraine, Kyiv 03164, Ukraine
| | - Tetiana V. Kulik
- Chuiko
Institute of Surface Chemistry, National
Academy of Science of Ukraine, Kyiv 03164, Ukraine
- Cardiff
Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K.
| | - Borys B. Palianytsia
- Chuiko
Institute of Surface Chemistry, National
Academy of Science of Ukraine, Kyiv 03164, Ukraine
- Departamento
de Química Orgánica, Universidad
de Córdoba, Campus de Rabanales, Edificio Marie Curie (C-3), Ctra Nnal IV-A,
Km 396, Cordoba E14014, Spain
| | - Mykola M. Ilchenko
- Institute
of Molecular Biology and Genetics, National Academy of Science of
Ukraine, 150 Zabolotnogo Str., Kyiv 03680, Ukraine
| | - German M. Telbiz
- National
Academy of Science of Ukraine, L. V. Pisarzhevsky
Institute of Physical Chemistry, Nauky Av. 31, Kyiv 03039, Ukraine
| | - Alina M. Balu
- Departamento
de Química Orgánica, Universidad
de Córdoba, Campus de Rabanales, Edificio Marie Curie (C-3), Ctra Nnal IV-A,
Km 396, Cordoba E14014, Spain
| | - Sergiy Tarnavskiy
- Institute
of Molecular Biology and Genetics, National Academy of Science of
Ukraine, 150 Zabolotnogo Str., Kyiv 03680, Ukraine
| | - Rafael Luque
- Universitá
degli studi Mediterranea di Reggio Calabria (UNIRC), DICEAM, Via Zehender
(giá via Graziella), Loc. Feo di Vito, I89122 Reggio Calabria, Italy
- Universidad
ECOTEC, Km. 13.5 Samborondón, Samborondón EC092302, Ecuador
| | - Alberto Roldan
- Cardiff
Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K.
| | - Mykola T. Kartel
- Chuiko
Institute of Surface Chemistry, National
Academy of Science of Ukraine, Kyiv 03164, Ukraine
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Bachs-Herrera A, York D, Stephens-Jones T, Mabbett I, Yeo J, Martin-Martinez FJ. Biomass carbon mining to develop nature-inspired materials for a circular economy. iScience 2023; 26:106549. [PMID: 37123246 PMCID: PMC10130920 DOI: 10.1016/j.isci.2023.106549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
Abstract
A transition from a linear to a circular economy is the only alternative to reduce current pressures in natural resources. Our society must redefine our material sources, rethink our supply chains, improve our waste management, and redesign materials and products. Valorizing extensively available biomass wastes, as new carbon mines, and developing biobased materials that mimic nature's efficiency and wasteless procedures are the most promising avenues to achieve technical solutions for the global challenges ahead. Advances in materials processing, and characterization, as well as the rise of artificial intelligence, and machine learning, are supporting this transition to a new materials' mining. Location, cultural, and social aspects are also factors to consider. This perspective discusses new alternatives for carbon mining in biomass wastes, the valorization of biomass using available processing techniques, and the implementation of computational modeling, artificial intelligence, and machine learning to accelerate material's development and process engineering.
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Affiliation(s)
| | - Daniel York
- Department of Chemistry, Swansea University, Swansea SA2 8PP, UK
| | | | - Ian Mabbett
- Department of Chemistry, Swansea University, Swansea SA2 8PP, UK
| | - Jingjie Yeo
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14853, USA
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