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Editorial Material
Chemistry, Organic
Pedro Lozano
MINI-REVIEWS IN ORGANIC CHEMISTRY
(2023)
Article
Cell Biology
Jinjin Diao et al.
Summary: More than 70 million tons of poly(ethylene terephthalate) (PET) are manufactured worldwide every year. The accumulation of PET waste has become a global pollution concern, motivating the urgent development of technologies to valorize post-consumer PET. This study identifies a strain called Rhodococcus jostii PET (RPET) that can directly use PET hydrolysate as a sole carbon source. Through rational metabolic engineering, the production of lycopene from PET is significantly increased.
Article
Engineering, Chemical
Yuman Guo et al.
Journal of Energy Chemistry
(2023)
Article
Biology
Binyang Deng et al.
Summary: In this study, highly glycosylated IsPETase enzyme was obtained by controlling the glycosylation modification of PETase in Pichia pastoris, improving the enzyme's specific activity and thermostability. The partially deglycosylated IsPETase still maintained high thermostability and could completely degrade PET flakes at 50 degrees C. This study provides a strategy to modulate the thermostable IsPETase through glycosylation engineering, promoting PET biodegradation.
COMMUNICATIONS BIOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Lixia Shi et al.
Summary: PETase exhibits high potential for PET depolymerization. However, directed evolution of PETase has been limited due to the lack of an efficient screening assay. In this study, a new fluorescence-based screening assay using a novel substrate, BHET-OH, was developed for PET hydrolases. The best variant, DepoPETase, showed significantly improved activity and stability, enabling complete depolymerization of untreated PET wastes and industrial-scale PET waste, making it a promising candidate for PET depolymerization processes. Molecular dynamic simulations revealed the molecular mechanism underlying the enhanced catalytic performance of DepoPETase.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Agricultural Engineering
Xiaobo Guo et al.
Summary: The recently discovered CvFAP provides a new approach for producing carbon-neutral biofuels and fine chemicals. This review presents strategies to improve CvFAP catalysis and explores its potential applications.
BIORESOURCE TECHNOLOGY
(2023)
Review
Chemistry, Multidisciplinary
Vincent Tournier et al.
Summary: Plastics are widely used in modern life and their increasing production poses significant environmental concerns. The current end-of-life management mainly includes landfilling, incineration, and limited recycling. To achieve a circular economy, bio-based solutions for plastic waste treatment and recycling are being explored. This review focuses on the recent advances in enzyme-based biocatalysis and its applications in recycling or upcycling commodity plastics such as polyesters, polyamides, polyurethanes, and polyolefins. The scope, limitations, challenges, and opportunities in this field are also discussed. The findings highlight the potential of polymer-assimilating enzymes in achieving a circular plastic economy.
Review
Biochemical Research Methods
Brian F. Pfleger et al.
Summary: Energy is a complex field that has a significant impact on modern life. The combustion of fossil fuels, especially in the transportation sector, has been the dominant form of energy release. Biofuels, although a small fraction of liquid transportation fuels consumed each year, have gained importance.
CURRENT OPINION IN BIOTECHNOLOGY
(2023)
Review
Energy & Fuels
Talat S. Genc et al.
Summary: The global energy sector is transitioning towards renewable and low-carbon energy sources to limit environmental impact and ensure energy security. Recent events, such as the conflict between Russia and Ukraine, have heightened the importance of finding sustainable energy sources. There is a significant body of academic literature studying the economic aspects of the energy transition, and this review aims to identify active topics, research gaps, and provide future direction for interested readers and authors.
Article
Polymer Science
Weiqiang Han et al.
Summary: The degradation behavior of bio-based polymer blend poly(ethylene 2,5-furandicarboxylate) /polyglycolide acid (PEF/PGA) with different composition ratios was investigated in phosphate-buffered saline (PBS solution, pH=7.4) with 0.5 mg/mL lipase from porcine pancreas. The PEF/PGA blends exhibited excellent thermal stability and increased water absorption with increasing PGA content. The enzymatic degradation of the PEF/PGA blends showed a faster rate in the first 4 weeks, and the weight loss increased with increasing PGA content due to the erosion of lipase on the polymer chain.
JOURNAL OF APPLIED POLYMER SCIENCE
(2023)
Article
Green & Sustainable Science & Technology
Paul Stegmann et al.
Summary: Biomass use and recycling can help reduce greenhouse gas emissions in the plastics industry. Polyethylene furanoate (PEF), a bio-based plastic, shows promise as an alternative to polyethylene terephthalate (PET) for small bottle applications. Life cycle assessments were conducted in the Netherlands, comparing the global warming potential (GWP) of PET and PEF bottles through multiple mechanical and chemical recycling trips. Results showed that after one recycling trip, bio-based PEF had 50-74% lower GWP compared to PET, depending on the waste management scenario. The study also highlighted the importance of deposit-based recycling systems in reducing overall GHG emissions for both bottle types.
JOURNAL OF CLEANER PRODUCTION
(2023)
Review
Environmental Sciences
Xing Zhu et al.
Summary: High carbon dioxide concentration in the atmosphere calls for eco-friendly mitigation strategies. Carbonic anhydrase (CA) immobilization can enhance its stability and enzyme recycling, but there is limited mass transfer between gaseous CO2 and the active center of immobilized CA. This review focuses on improving the mass transfer process to increase the efficiency of enzymatic CO2 capture for industrial applications.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Chemistry, Multidisciplinary
Clay C. C. Wang et al.
Summary: Polystyrene (PS) is a commonly used plastic that is not frequently recycled. In this study, a scalable process was developed to convert PS into benzoic acid, which can then be biosynthetically upgraded into various secondary metabolites by engineered strains of the fungus Aspergillus nidulans. This approach expands the range of plastic-derived products and demonstrates the potential for utilizing PS waste in the production of valuable compounds.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Biochemistry & Molecular Biology
Qiyong Liao et al.
Summary: By using NADH as a cofactor, CO2 can be reduced to methanol through the catalysis of formate dehydrogenase, formaldehyde dehydrogenase, and alcohol dehydrogenase. However, the instability of soluble enzymes and the consumption of NADH are limiting factors. In this study, the three enzymes were immobilized on a hollow fiber membrane module, and combined with a photocatalytic NADH regeneration system to create a photo-enzyme coupled system for methanol synthesis. The optimization of enzyme immobilization and investigation of influencing factors were carried out. The results showed that the PECS achieved a high methanol yield, proving its feasibility for continuous methanol synthesis.
PROCESS BIOCHEMISTRY
(2023)
Article
Green & Sustainable Science & Technology
Han Chen et al.
Summary: The conversion of CO2 into soluble formate is a promising strategy for carbon neutralization. Enzymatic CO2-to-formate processes have advantages such as high efficiency, selectivity, and mild reaction conditions. Different enzymes, including FDH, hydrogen-dependent CO2 reductase, and nitrogenase, as well as NADH-dependent and NADH-independent catalytic mechanisms, are summarized in this review. Challenges include costly sacrificial donors and low NADH regeneration efficiency, but new methods and systems offer opportunities to overcome these challenges. Enzymatic CO2-to-formate processes have versatile applications and the potential for bulk chemical biorefineries.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2023)
Review
Environmental Sciences
Yakubu Adekunle Alli et al.
Summary: Carbon dioxide is the most important greenhouse gas, accounting for 76% of all emissions. The concentration of atmospheric CO2 has increased significantly and is projected to continue rising. In addition to reducing emissions, capturing and transforming CO2 into valuable materials, such as fuels, using engineered nanomaterials shows promise.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Review
Environmental Sciences
Karolina Bachosz et al.
Summary: Enzymatic processes are becoming increasingly important, and the role of enzymatic cofactors is crucial for efficient biocatalytic activities. Therefore, the development of cofactor regeneration systems is essential. This review summarizes current knowledge on enzymatic regeneration methods and highlights potential directions for further development.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Engineering, Chemical
Peijing Shao et al.
Summary: Metal-organic frameworks (MOFs) have been extensively studied as candidate materials for enzyme immobilization. In this work, carbonic anhydrase was immobilized in ZIFs with different shapes obtained by adjusting the growth state of ZIF-8 and adding surfactants as shape-inducing agents. The thick leaf-shaped CA/ZIF-L-(PVP) showed the highest relative activity (150%) among all the immobilized enzymes, and exhibited excellent reusability and stability.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Review
Biotechnology & Applied Microbiology
Jennifer Chow et al.
Summary: Global economies heavily rely on fossil-fuel-based polymers, but a significant amount of these synthetic polymers are disposed into the environment. Over the past decade, microbiologists have been searching for enzymes that can degrade plastic, but there have been limited success in finding functional biocatalysts for most plastics. The main challenge now is to identify enzymes that can target the majority of fossil-fuel-based plastics. This emerging research field is still in its infancy.
MICROBIAL BIOTECHNOLOGY
(2023)
Article
Green & Sustainable Science & Technology
Maria V. Zwicker et al.
Summary: Fossil-based plastic contributes to environmental pollution, while bio-based plastic made from renewable biomass has lower carbon footprint and is preferred by consumers. This study found that participants had positive attitudes towards bio-based plastic, were willing to pay more for it, and overwhelmingly preferred bio-based bottles. These findings are important for the industry to promote bio-based plastic and other sustainable consumer alternatives.
SUSTAINABLE PRODUCTION AND CONSUMPTION
(2023)
Article
Chemistry, Multidisciplinary
Yannick Branson et al.
Summary: Enzymatic degradation and recycling are effective ways to reduce the environmental impact of plastics. However, there has been no efficient enzyme reported for the hydrolysis of polyurethanes. In this study, researchers discovered urethanases from a metagenome library constructed from soil exposed to polyurethane waste. They then developed a chemoenzymatic process using urethanase for polyurethane foam recycling.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Editorial Material
Chemistry, Multidisciplinary
Mirren F. M. White et al.
Summary: The discovery and engineering of new plastic degrading enzymes is crucial for the transition to a more sustainable and circular plastics economy. Recent research has reported the discovery of a novel PET hydrolase from human saliva metagenome, which shows improved properties and performance over previous PETases. The study also demonstrates the incorporation of a photocaged unnatural amino acid, enabling covalent binding to the PET surface, highlighting the potential of metagenomic datasets and genetic code expansion for new biotechnologies in the circular plastics economy.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Chris Rabot et al.
Summary: This article presents a novel chemical and biological approach for the rapid conversion of polyethylenes into structurally complex and pharmacologically active compounds. By engineering strains of the fungus Aspergillus nidulans, the authors have produced fungal secondary metabolites from the digestion products of polyethylenes, expanding the range of products to which polyethylenes can be upcycled.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Review
Engineering, Environmental
Sangmin Lee et al.
Summary: Plastic waste upcycling has emerged as a solution to the environmental crisis caused by plastic, with a focus on enzymatic and microbial degradation as well as catabolism of plastic monomers. This review provides insights into recent advances and barriers in biotechnological upcycling, specifically discussing PETase as a representative plastic-degrading enzyme. It also covers microbial conversion of plastic monomers and the chemobiological upcycling of plastic waste, contributing to the development of viable biotechnological systems and plastic-based circular carbon economies.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Itoh Toshiyuki
Summary: The use of ILs as solvents and stabilizers for enzymes, specifically lipases, allows for the recyclable use of enzymes, acceleration of transesterification, and enhancement of enzyme stability and reaction activity. This IL engineering approach has a significant impact on lipase-catalyzed reactions and has the potential to improve enzyme capabilities.
Review
Chemistry, Multidisciplinary
Sarah Bierbaumer et al.
Summary: Enzymatic carbon dioxide fixation is important for converting inorganic carbon from the atmosphere into organic biomass. However, the thermodynamics and utilization of CO2 make it challenging for biotechnological applications. This review provides an overview of natural CO2-fixing enzymes, discusses their applications, and suggests strategies for improving efficiency. It also explores the potential of using reduced CO2 derivates and offers a techno-economic perspective on reducing CO2 emissions.
Review
Agricultural Engineering
P. R. Yaashikaa et al.
Summary: Energy recovery from waste resources, specifically utilizing agro-industrial waste residues for biorefinery processes, has gained attention for its potential in producing valuable products. This approach not only transforms waste into energy and other products, but also improves waste management effectiveness.
BIORESOURCE TECHNOLOGY
(2022)
Review
Chemistry, Multidisciplinary
Roger A. Sheldon et al.
Summary: In the movement towards decarbonization, the integration of waste into a circular economy and the recycling of plastics at different levels, such as resin and monomer, is crucial. Biotechnology plays a significant role in developing enzymes and organisms that can synthesize various desired bulk chemicals, including plastics. By integrating bioreactors with electrochemical systems and utilizing low-carbon electricity from renewable sources, new production opportunities with enhanced productivity can be achieved.
Review
Chemistry, Multidisciplinary
Selvakumar Periyasamy et al.
Summary: Converting agricultural waste into energy and chemicals is a crucial goal for the future circular economy. However, transforming lignocellulosic biomass into valuable products poses significant challenges. This review explores various lignocellulosic biomasses and pretreatment technologies, highlighting the potential of concoction pretreatment methods.
ENVIRONMENTAL CHEMISTRY LETTERS
(2022)
Review
Polymer Science
Xuerui Jin et al.
Summary: This article summarizes the research progress on the biodegradation of polyurethane, including the degradation mechanisms of polyester-polyurethane and polyether-polyurethane, the involvement of microorganisms and enzymes in the degradation process, and potential solutions for future polyurethane biodegradation.
POLYMER INTERNATIONAL
(2022)
Article
Green & Sustainable Science & Technology
Michael Kirschner
Summary: Electronic product manufacturers have traditionally used linear product life cycle management processes, but as markets demand more sustainable products, there is a shift towards circular products that are more durable, recyclable, longer-lived, and less toxic. This requires new criteria in PLMP to drive demand for green and sustainable chemistry in the electronics industry and its supply chain.
ADVANCED SUSTAINABLE SYSTEMS
(2022)
Article
Biotechnology & Applied Microbiology
Jacqueline Fuentes-Jaime et al.
Summary: The study examined the capability of Alicycliphilus denitrificans BQ1 to degrade the polyester polyurethane Impranil, and investigated the coordination between extracellular and cytoplasmic esterase and urethane-cleaving activities during the biodegradation process. The findings suggested different proteins are involved at different stages, and supported the concerted action of these enzymatic activities.
Review
Chemistry, Physical
Zhuang Li et al.
Summary: This review provides an overview of the use of biocompatible ionic liquids (bio-ILs) in biocatalysis. It discusses the unique properties of bio-ILs and their effects on enzyme structure and activity. The review also highlights the applications of bio-ILs in homogenous and multiphasic systems, as well as their potential use in modifying enzyme carrier materials. Furthermore, it provides expert opinions on future research directions and industrial applications of bio-ILs in biocatalysis.
CATALYSIS REVIEWS-SCIENCE AND ENGINEERING
(2022)
Review
Chemistry, Multidisciplinary
Tabish Iqbal et al.
Summary: The dependence on fossil fuels has raised concerns, leading to the interest in developing renewable biofuels. Metalloenzymes play a crucial role in the synthesis of hydrocarbons, derived from fatty acids, and understanding their catalytic mechanisms and substrate specificity is essential for biofuel research.
CHEMISTRY-AN ASIAN JOURNAL
(2022)
Review
Biochemistry & Molecular Biology
Tanya Kuthiala et al.
Summary: Agricultural development has led to environmental deterioration, but the concept of bioconversion using enzyme cocktails has become important in valorising agro-waste and reducing dependency on non-renewable feedstocks. Enzyme blends can efficiently degrade lignocellulose into valued products, showing potential for eco-friendly agro-waste management.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2022)
Article
Polymer Science
Hatice Mutlu et al.
Summary: Green chemistry, sustainable chemistry, and circular chemistry are crucial concepts for the modern lifestyle and global industries. They play a vital role in the development of a sustainable future, the implementation of circular economy, and the planetary boundaries framework. Researchers in polymer chemistry are essential in addressing plastic pollution and resource depletion issues.
MACROMOLECULAR CHEMISTRY AND PHYSICS
(2022)
Article
Multidisciplinary Sciences
Hongyuan Lu et al.
Summary: Plastic waste is an ecological challenge, and enzymatic degradation offers a potentially green and scalable route for plastic recycling. Engineered PETase shows superior activity in hydrolyzing postconsumer PET, and a closed-loop recycling process is demonstrated.
Article
Multidisciplinary Sciences
Coralie Jehanno et al.
Summary: The majority of plastic waste is not degraded, leading to permanent pollution. Chemical recycling and upcycling provide new opportunities for sustainable plastic economy.
Article
Green & Sustainable Science & Technology
Bi-Shuang Chen et al.
Summary: Biodiesel is an important alternative fuel with great sustainability and environmental advantages. The decarboxylation of bioderived fatty acids is an effective method for green diesel production, producing high caloric value alkanes that are irreversibly formed and exist in liquid form. This review discusses the progress in both chemo- and bio-catalytic decarboxylation reactions and their pros and cons for green fuel synthesis, with particular focus on the mild biocatalytic decarboxylation reactions that have not been fully explored in previous reviews on green diesel production.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2022)
Article
Polymer Science
Ed de Jong et al.
Summary: This article introduces a technology that converts plant-based sugars into recyclable plastics, and discusses the various issues and challenges that need to be addressed when bringing this new material to market. The article also provides advice for other companies or individuals considering a similar journey, and looks ahead to the future development prospects of this technology.
Article
Chemistry, Multidisciplinary
Zhibo Zhang et al.
Summary: This study developed natural deep eutectic solvents (NADES) with desirable biocompatibility for the first time and applied them in the electro-enzymatic conversion of CO2, resulting in higher CO2 solubility and electrocatalytic activity, leading to significantly increased product yield.
FRONTIERS IN CHEMISTRY
(2022)
Article
Chemistry, Physical
Weihua Xu et al.
Summary: This study successfully improved the catalytic efficiency of CvFAP towards medium-and short-fatty acids through rational design and mutant screening, expanding its substrate scope, and demonstrated its potential in gasoline alkane production.
MOLECULAR CATALYSIS
(2022)
Article
Multidisciplinary Sciences
Michael Baumschabl et al.
Summary: The increase of CO2 emissions is one of the main causes of the current climate crisis. Utilizing CO2 as a feedstock for chemical synthesis is important for establishing industrial processes independent of agricultural resources.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Review
Chemistry, Multidisciplinary
Karl J. Koebke et al.
Summary: This review highlights the progress and milestone achievements in the field of de novo metalloprotein design in the past decade, with a focus on heme binding proteins, catalytic sites, and electron transfer sites. The significant contributions to our understanding of these subfields or de novo metalloprotein design are categorized and discussed in the context of history and science. Suggestions for future research directions are also provided.
Article
Environmental Sciences
Ayanne de Oliveira Maciel et al.
Summary: Carbonic anhydrase (CA) plays a crucial role in CO2 Capture Utilization and Storage (CCUS) as a potential catalyst to replace traditional CO2 absorption methods, but there are still some technical challenges and cost efficiency issues to be addressed.
Article
Multidisciplinary Sciences
Erika Erickson et al.
Summary: This study expands the number and diversity of thermotolerant scaffolds for enzymatic PET deconstruction by using bioinformatics and machine learning to mine 74 putative thermotolerant PET hydrolases. The study identifies new PET-active biocatalysts and discovers protein folds and accessory domains associated with PET deconstruction.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Mohamed M. Aboelnga et al.
Summary: Polyethylene terephthalate (PET), a widely used plastic, is a significant contributor to global plastic pollution. This study investigates the enzymatic biodegradation of PET and identifies key factors for efficient PET hydrolysis. The results provide insights into the reaction mechanism and molecular features of PETase and cutinase enzymes, which can be useful for designing more efficient enzymes for PET hydrolysis.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Review
Microbiology
Marta Elisabetta Eleonora Temporiti et al.
Summary: Plastic pollution is a growing environmental problem that cannot be solved completely by recycling. Thus, research has focused on using fungal enzymes to degrade plastic. Fungal laccases, peroxidases, and esterases have shown promising results in degrading different types of plastics, and these enzymes have demonstrated remarkable efficiency under laboratory conditions.
Review
Agricultural Engineering
Jikai Zhao et al.
Summary: This review summarizes the latest advances in reducing production costs for ionic liquids-based biorefineries. It discusses the use of protic ionic liquids with lower synthesis costs, but highlights the challenges of excessive solvents washing and the degradation of ionic liquids during recycling. It also suggests the potential of enzyme and strain screening for one-pot saccharification and fermentation, but emphasizes the need for efficient ionic liquid recovery methods.
BIORESOURCE TECHNOLOGY
(2022)
Review
Biotechnology & Applied Microbiology
Qiyong Liao et al.
Summary: This article discusses the limitations of enzymatic CO2 reduction and the strategies to overcome these limitations. These include enzyme immobilization, cofactor regeneration and cofactor-free systems, as well as measures to improve CO2 solubility.
BIOTECHNOLOGY ADVANCES
(2022)
Article
Biochemistry & Molecular Biology
Santiago Nahuel Chanquia et al.
Summary: This study demonstrates the application of the fatty acid decarboxylase (FAP) photoenzyme in non-conventional media, including deep eutectic solvents (DESs) and immobilized preparations. The enzyme showed nearly complete selectivity towards C18 decarboxylation when used in a DES, with a product yield of up to 81% when using whole cells. Furthermore, the immobilized enzyme in DES achieved yields more than 10 times higher than those obtained in aqueous media.
Review
Chemistry, Multidisciplinary
Victor K. Sharma et al.
Summary: Enzymatic processes capable of redox reactions are of increasing research interest, with a focus on the regeneration of expensive cofactors required by the enzymes. Alternative methods such as chemical, electrochemical, and photochemical regeneration offer enhanced efficiency and operational simplicity compared to enzymatic regeneration. This comprehensive Review discusses various methods of NAD(P)H cofactor regeneration, quantitatively compares their performance, and identifies barriers and future opportunities for improving the efficiency and sustainability of oxidoreductase processes.
Article
Chemistry, Multidisciplinary
Sandra Kaabel et al.
Summary: This study demonstrates a direct and selective enzymatic recycling method for high-crystallinity PET in mixed PET/cotton textiles, which has been a challenge in previous studies, without any negative impact on the cotton recycling yield.
Article
Chemistry, Physical
Jasneet Grewal et al.
Summary: This review highlights the potential of ionic liquids (ILs) for sustainable circular biorefineries, particularly emphasizing their importance in lignocellulosic biomass valorization. However, at the laboratory scale, IL-mediated biocatalysis faces limitations such as enzyme denaturation and loss of viability for fermenting microbes. Although enzyme stabilization in ILs has improved, the understanding of microbial interactions with ILs is still exploratory.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Biochemistry & Molecular Biology
Yanlin Yuan et al.
Summary: Enzyme immobilization on supports extends stability, reduces operating costs. Metal organic frameworks have become ideal support materials for enzyme immobilization. The combination of carbonic anhydrase with MOF can expand the applications of carbonic anhydrase.
PROCESS BIOCHEMISTRY
(2022)
Article
Multidisciplinary Sciences
Kevin P. Sullivan et al.
Summary: The study demonstrates a strategy for the selective conversion of mixed plastics waste into valuable chemical products by using metal-catalyzed autoxidation to depolymerize the plastics into oxygenated small molecules, and then genetically engineering bacteria to convert these molecules into a single chemical product.
Review
Engineering, Chemical
Hannaneh Rasouli et al.
Summary: Currently, immobilization of the enzyme carbonic anhydrase (CA) is considered a promising approach to enhance the activity, stability, and reusability of CA for CO2 capture. Different immobilization strategies and supports have been developed to improve the performance and efficiency of large-scale applications. This state-of-the-art review analyzes the scientific literature on immobilization of CA and carbon capture technologies using immobilized CA, highlighting the benefits, issues, and limitations. Modelling approaches and techno-economic analyses are also presented to assess the feasibility of enzymatic capture processes in an industrial context.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Review
Chemistry, Multidisciplinary
Houqian Li et al.
Summary: Globally, less than 10% of plastics are recycled, with new technologies for chemical recycling offering hope. Chemists and chemical engineers need to strengthen their understanding of these technologies, while options for managing plastic waste are explored.
Article
Engineering, Chemical
Yiming Zhang et al.
Summary: Membranes based on carbonic anhydrase have significant potential for carbon capture and storage due to their high efficiency and recyclability. Immobilized enzymes can improve membrane performance and reduce process costs.
JOURNAL OF MEMBRANE SCIENCE LETTERS
(2022)
Article
Polymer Science
Fitrilia Silvianti et al.
Summary: The development of bio-based polymers is driven by their abundance in nature and concerns over fossil-based plastics. Enzymatic polymerizations offer a promising and environmentally friendly approach to producing sustainable polymers. In this study, fully bio-based polyesters were synthesized enzymatically using greener solvents, such as ionic liquids and deep eutectic solvents. The enzymatic polymerizations in these solvents effectively yielded the desired polyesters with high purity and without any unwanted byproducts.
Article
Chemistry, Multidisciplinary
Weihua Xu et al.
Summary: The development of biomass energy obtained from nonfossil and renewable feedstocks is an important solution to the fossil energy crisis. This study presents a photo-chemo-enzymatic multi-step combination route for the preparation of biogasoline from sustainable triolein using solar energy and atmospheric O-2. The method shows potential for converting various lipids into valuable gasoline alkanes.
Article
Energy & Fuels
Yuanyuan Zhang et al.
Summary: Cofactors like NADH play essential roles in redox enzymatic catalysis, and photocatalytic NADH regeneration has drawn increased attention due to its mild reaction conditions and biocompatibility with enzymes.
Review
Chemistry, Multidisciplinary
Weibin Liang et al.
Summary: Enzymes play a crucial role in chemical synthesis and biotechnology, but their activity can be easily affected by external stressors. Metal-organic frameworks (MOFs) offer protection to enzymes through encapsulation or infiltration, allowing them to maintain activity under challenging conditions.
Review
Biochemistry & Molecular Biology
Rita P. Magalhaes et al.
Summary: Plastics are durable and widely used materials, but current methods for degradation and recycling are flawed. Biodegradation has emerged as a viable alternative, with enzymes capable of degrading PET being discovered and engineered. Despite progress, further efforts are needed to improve enzyme activity and thermal stability.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Editorial Material
Chemistry, Multidisciplinary
Javier Garcia-Martinez
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Review
Biotechnology & Applied Microbiology
Jiawei Liu et al.
Summary: This article discusses the global ranking and importance of polyurethanes, as well as their characteristics in terms of environmental factors and durability. It also highlights the need for proper disposal of polyurethane waste and the differences in polymer structure. Furthermore, it explores the discovery and application of polyurethane-degrading microbes and enzymes, as well as strategies for recycling and upcycling waste polymers.
BIOTECHNOLOGY ADVANCES
(2021)
Article
Chemistry, Multidisciplinary
Audrey Magnin et al.
Summary: Polyurethane waste recycling is challenging, but a green recycling pathway was proposed in this study through enzyme depolymerization and organometallic-catalyzed synthesis of second-generation polymers.
Article
Chemistry, Multidisciplinary
Hong T. Duong et al.
Summary: The study shows that wirelessly powered LEDs can effectively enhance the photobiosynthetic production of diesel alkanes from renewable fatty acids.
Review
Biochemical Research Methods
Iria Bernhardsgruetter et al.
Summary: Utilizing carboxylases to capture and convert CO2 is crucial for realizing a circular, carbon-neutral economy; interest in utilizing and engineering carboxylases has been steadily growing in recent years; pioneering efforts in the field have paved the way for a diverse CO2-fixation biochemistry that can find application in various industries.
CURRENT OPINION IN BIOTECHNOLOGY
(2021)
Review
Chemistry, Multidisciplinary
Shanmugam Thiyagarajan et al.
Summary: The use of plastics has significantly increased in recent decades, but renewable alternatives are currently not sufficient to replace fossil-based plastics. Chemical recycling processes offer potential solutions for transforming plastic waste into new polymers, but further strategies are needed to efficiently utilize plastic waste.
Review
Biotechnology & Applied Microbiology
Octavio Garcia-Depraect et al.
Summary: Global environmental pollution from micro- and macro-plastics is a consequence of extensive use and improper waste management of conventional plastic products. Biobased and biodegradable plastics are emerging as alternatives, but the lack of advanced end-of-life technologies hinders circularity in the material economy.
BIOTECHNOLOGY ADVANCES
(2021)
Review
Green & Sustainable Science & Technology
Chunyan Wang et al.
Summary: This review identifies data gaps and research needs in characterizing plastics stocks and flows across different lifecycle stages. The study highlights the importance of common data sharing platforms, standard methods for data reconciliation, consistent data collection, and new approaches for data curation. These findings aim to develop a comprehensive characterization of plastics stocks and flows for addressing sustainability challenges related to plastics production, consumption, waste, and pollution.
JOURNAL OF INDUSTRIAL ECOLOGY
(2021)
Article
Chemistry, Physical
Paul Santner et al.
Summary: Researchers screened 22 mutant enzymes and found that they exhibited different selectivity towards specific lengths of fatty acid substrates, with one group having high selectivity towards C18:0 and another group being selective towards C12:0 substrate. Additionally, the study measured the light and thermal stability of the wild type enzyme and a mutant engineered for selectivity.
Editorial Material
Engineering, Environmental
Krishna N. Ganesh et al.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Multidisciplinary Sciences
Sandra Kaabel et al.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Chemistry, Multidisciplinary
Zhibo Zhang et al.
Summary: NADH is essential for enzymatic hydrogenation of CO2 to methanol, but its high costs limit its large-scale application. Photocatalytic reduction of NAD(+) to NADH is a promising solution utilizing solar energy. Efficient electron transfer from the photosensitizer to the catalyst is crucial for the success of NADH regeneration. Ionic porphyrin was identified as the most efficient photosensitizer for in situ NADH regeneration, leading to a sevenfold increase in methanol concentration when integrated with enzyme cascade reactions using a membrane support.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Review
Biotechnology & Applied Microbiology
Efstratios Nikolaivits et al.
Summary: By transferring analogs from natural biology to science and engineering, innovative technologies have been developed to tackle the global petroleum-based plastic waste challenges. Mechanical/green chemical pretreatment methods can enhance microbial degradation and depolymerization of plastics. Combining mechano-green chemical treatments with enzymatic and microbial actions is crucial for effectively completing the life-cycle for plastics.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2021)
Article
Biotechnology & Applied Microbiology
Ana Maria Mazotto et al.
Summary: The production, use, and disposal of clothes and textile products are unsustainable, causing pollution and depleting resources. New technologies incorporating microbial enzymes and biopigments can help minimize the environmental impact of textile production. Microorganisms offer various opportunities to improve the sustainability of the textile industry and may shape its future.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Review
Chemistry, Physical
Lucas D. Ellis et al.
Summary: Plastic pollution is causing an environmental crisis, driving the development of new recycling and upcycling methods. Both chemical and biological catalysis face challenges and opportunities, requiring innovative design to overcome limitations.
Article
Chemistry, Physical
Avantika Singh et al.
Summary: Esterases play a crucial role in enzymatic PET recycling, enabling efficient depolymerization to TPA and ethylene glycol, reducing energy consumption and greenhouse gas emissions, and generating more socio-economic benefits.
Article
Multidisciplinary Sciences
Stefano Cestellos-Blanco et al.
Summary: Converting CO2 into value-added products using solar energy is an ideal solution for establishing a closed carbon cycle. By combining microorganisms with light-harvesting nanomaterials into photosynthetic biohybrid systems (PBSs), this goal can be achieved through precise metabolic pathways and harnessing solar light.
Article
Chemistry, Multidisciplinary
Xiuling Ji et al.
Summary: The use of ionic liquids as solvents and enzyme stabilizers significantly enhances CO2 conversion rates, providing a new strategy for efficient bioactivation of CO2. By creating a specific ionozyme, key intermediates are formed, enzyme structure is stabilized, and hydride transfer is facilitated, making it an ideal starting point for sustainable carbon cycles.
Article
Chemistry, Multidisciplinary
Rocio Villa et al.
Summary: A sustainable chemo-enzymatic process has been developed for producing glycerol carbonate acrylate (GCA) and glycerol carbonate methacrylate (GCMA) using ionic liquid (IL) technologies. The process involves two consecutive catalytic steps, leading to high yields under mild conditions, with the components of the reaction system being fully recoverable and reusable.
Review
Chemistry, Physical
Jinxu Zhang et al.
Summary: Ionic liquids (ILs) have been widely used in the pretreatment of lignocellulosic biomass due to their ability to effectively deconstruct the biomass and obtain high sugar yields. Research has made progress in the biocompatibility of ILs, process integration, optimization and scale-up of IL pretreatment processes, IL recovery and reuse, as well as economic and sustainability analysis.
SUSTAINABLE ENERGY & FUELS
(2021)
Review
Nanoscience & Nanotechnology
Nidhi C. Dubey et al.
Summary: This article discusses the importance of enzyme immobilization design and metabolic channeling in biological systems, introduces methods for multienzyme immobilization, discusses various concepts for enhancing enzyme catalytic efficiency, and summarizes the progress in nature-inspired multienzyme assembly over the past decade.
ACS APPLIED BIO MATERIALS
(2021)
Article
Chemistry, Applied
Pedro Lozano et al.
Review
Agricultural Engineering
Zeba Usmani et al.
BIORESOURCE TECHNOLOGY
(2020)
Review
Chemistry, Multidisciplinary
Ina Vollmer et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Multidisciplinary Sciences
V. Tournier et al.
Review
Chemistry, Physical
Zihe Liu et al.
Review
Chemistry, Multidisciplinary
Katja Loos et al.
FRONTIERS IN CHEMISTRY
(2020)
Article
Chemistry, Physical
Yunjian Ma et al.
Review
Chemistry, Multidisciplinary
Xin Fang et al.
CHEMICAL SOCIETY REVIEWS
(2020)
Article
Chemistry, Multidisciplinary
Mohamed Baccour et al.
Article
Biochemistry & Molecular Biology
Xuejun Yu et al.
Editorial Material
Chemistry, Multidisciplinary
Tom Keijer et al.
Review
Chemistry, Physical
Ee Taek Hwang et al.
Article
Chemistry, Multidisciplinary
Elena Alvarez et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2019)
Article
Chemistry, Multidisciplinary
Shizeng Wang et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2019)
Review
Chemistry, Multidisciplinary
Rocio Villa et al.
Article
Chemistry, Multidisciplinary
Mengwei Yuan et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2018)
Review
Biotechnology & Applied Microbiology
Claudia Bernal et al.
BIOTECHNOLOGY ADVANCES
(2018)
Article
Chemistry, Multidisciplinary
Eric Sundstrom et al.
Article
Multidisciplinary Sciences
Harry P. Austin et al.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2018)
Editorial Material
Multidisciplinary Sciences
Elsa A. Olivetti et al.
Article
Multidisciplinary Sciences
Yaqin Fu et al.
NATURE COMMUNICATIONS
(2018)
Article
Chemistry, Multidisciplinary
Mieke M. E. Huijbers et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2018)
Article
Chemistry, Multidisciplinary
Zhibo Zhang et al.
Article
Multidisciplinary Sciences
Ngoc-Phuong-Thao Nguyen et al.
NATURE COMMUNICATIONS
(2018)
Article
Engineering, Environmental
Shihan Zhang et al.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2018)
Proceedings Paper
Green & Sustainable Science & Technology
Louis Fradette et al.
13TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES, GHGT-13
(2017)
Review
Chemistry, Multidisciplinary
Toshiyuki Itoh
Article
Biotechnology & Applied Microbiology
Jian Sun et al.
BIOTECHNOLOGY FOR BIOFUELS
(2017)
Article
Chemistry, Multidisciplinary
Pedro Lozano et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2016)
Review
Chemistry, Multidisciplinary
Jiafu Shi et al.
CHEMICAL SOCIETY REVIEWS
(2015)
Review
Chemistry, Multidisciplinary
Pedro Lozano et al.
Review
Chemistry, Multidisciplinary
Eduardo Garcia-Verdugo et al.
Review
Biotechnology & Applied Microbiology
Maria del Carmen Portillo et al.
CRITICAL REVIEWS IN BIOTECHNOLOGY
(2015)
Article
Chemistry, Multidisciplinary
Virginia M. Cangelosi et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2014)
Article
Agricultural Engineering
Pedro Lozano et al.
BIORESOURCE TECHNOLOGY
(2014)
Article
Multidisciplinary Sciences
Oscar Alvizo et al.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2014)
Article
Chemistry, Multidisciplinary
Pedro Lozano et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2013)
Review
Energy & Fuels
Giulio Santori et al.
Review
Chemistry, Multidisciplinary
Hui Wang et al.
CHEMICAL SOCIETY REVIEWS
(2012)
Article
Chemistry, Multidisciplinary
Pedro Lozano et al.
Article
Chemistry, Multidisciplinary
Pedro Lozano et al.
Article
Chemistry, Multidisciplinary
Christian Lehmann et al.
Article
Biotechnology & Applied Microbiology
Bilal El-Zahab et al.
BIOTECHNOLOGY AND BIOENGINEERING
(2008)
Article
Chemistry, Multidisciplinary
RP Swatloski et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2002)
Article
Engineering, Environmental
M Fujisawa et al.
JOURNAL OF POLYMERS AND THE ENVIRONMENT
(2001)
