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97 Results Found

  • Article
  • Open Access
1,217 Views
12 Pages

Tailoring Mesoporosity of Multi-Hydroxyls Hyper-Crosslinked Organic Polymers for Reinforced Ambient Chemical Fixation of CO2

  • Zengjing Guo,
  • Shuguang Ning,
  • Shicheng Xu,
  • Yongying Zhang,
  • Yifan Dong and
  • Hongjing Han

10 October 2024

Ambient condition-determined chemical CO2 fixation affords great promise for remitting the pressure of CO2 release. The construction of a microporous environment easily captures CO2 molecules around the reactive sites of the catalyst to reinforce the...

  • Feature Paper
  • Article
  • Open Access
37 Citations
7,264 Views
19 Pages

Study of Superbase-Based Deep Eutectic Solvents as the Catalyst in the Chemical Fixation of CO2 into Cyclic Carbonates under Mild Conditions

  • Sara García-Argüelles,
  • Maria Luisa Ferrer,
  • Marta Iglesias,
  • Francisco Del Monte and
  • María Concepción Gutiérrez

7 July 2017

Superbases have shown high performance as catalysts in the chemical fixation of CO2 to epoxides. The proposed reaction mechanism typically assumes the formation of a superbase, the CO2 adduct as the intermediate, most likely because of the well-known...

  • Article
  • Open Access
12 Citations
2,833 Views
12 Pages

Functional Porous Ionic Polymers as Efficient Heterogeneous Catalysts for the Chemical Fixation of CO2 under Mild Conditions

  • Zhifeng Dai,
  • Yang Long,
  • Jianliang Liu,
  • Yuanfei Bao,
  • Liping Zheng,
  • Jiacong Ma,
  • Jiayi Liu,
  • Fei Zhang,
  • Yubing Xiong and
  • Ji-Qing Lu

29 June 2022

The development of efficient and metal-free heterogeneous catalysts for the chemical fixation of CO2 into value-added products is still a challenge. Herein, we reported two kinds of polar group (−COOH, −OH)-functionalized porous ionic pol...

  • Article
  • Open Access
1,831 Views
16 Pages

19 August 2024

New flower-shaped metallophthalocyanine polymers (THB-4-M, M = Co, Cu) have been synthesized by using 1,3,5-Tri(4-hydroxyphenhyl) benzene (THB) as rigid and contorted units to control the morphology under the solvothermal method. The polymers were ch...

  • Article
  • Open Access
9 Citations
2,274 Views
22 Pages

AgNPs Embedded in Porous Polymeric Framework: A Reusable Catalytic System for the Synthesis of α-Alkylidene Cyclic Carbonates and Oxazolidinones via Chemical Fixation of CO2

  • Bipasha Banerjee,
  • Pekham Chakrabortty,
  • Najirul Haque,
  • Swarbhanu Ghosh,
  • Mitali Sarkar,
  • Aslam Khan and
  • Sk. Manirul Islam

24 November 2023

Porous polymeric frameworks have received great interest over the past few years because of their nonstop growth as crystalline porous polymeric materials connected through covalent bonds and versatile utilities in diverse fields. The production of h...

  • Review
  • Open Access
65 Citations
11,252 Views
24 Pages

Base Catalysis by Mono- and Polyoxometalates

  • Keigo Kamata and
  • Kosei Sugahara

16 November 2017

In sharp contrast with acid-, photo-, and oxidation-catalysis by polyoxometalates, base catalysis by polyoxometalates has scarcely been investigated. The use of polyoxometalates as base catalysts have very recently received much attention and has bee...

  • Article
  • Open Access
4 Citations
2,827 Views
14 Pages

The development of a catalyst for the conversion of CO2 and epoxides to the corresponding cyclic carbonates is still a very attractive topic. Magnetic nano-catalysts are widely used in various organic reactions due to their magnetic separation and re...

  • Article
  • Open Access
8 Citations
3,621 Views
18 Pages

Loose Morphology and High Dynamism of OSER Structures Induced by the Membrane Domain of HMG-CoA Reductase

  • Ricardo Enrique Grados-Torrez,
  • Carmen López-Iglesias,
  • Joan Carles Ferrer and
  • Narciso Campos

24 August 2021

The membrane domain of eukaryotic HMG-CoA reductase (HMGR) has the conserved capacity to induce endoplasmic reticulum (ER) proliferation and membrane association into Organized Smooth Endoplasmic Reticulum (OSER) structures. These formations develop...

  • Review
  • Open Access
46 Citations
14,644 Views
26 Pages

Recent Advances in the Photoautotrophic Metabolism of Cyanobacteria: Biotechnological Implications

  • Théo Veaudor,
  • Victoire Blanc-Garin,
  • Célia Chenebault,
  • Encarnación Diaz-Santos,
  • Jean-François Sassi,
  • Corinne Cassier-Chauvat and
  • Franck Chauvat

19 May 2020

Cyanobacteria constitute the only phylum of oxygen-evolving photosynthetic prokaryotes that shaped the oxygenic atmosphere of our planet. Over time, cyanobacteria have evolved as a widely diverse group of organisms that have colonized most aquatic an...

  • Review
  • Open Access
20 Citations
6,016 Views
17 Pages

3 April 2022

Carbon dioxide is a major greenhouse gas, and its fixation and transformation are receiving increasing attention. Biofixation of CO2 is an eco–friendly and efficient way to reduce CO2, and six natural CO2 fixation pathways have been identified...

  • Article
  • Open Access
17 Citations
5,271 Views
8 Pages

A Possible Primordial Acetyleno/Carboxydotrophic Core Metabolism

  • Jessica Sobotta,
  • Thomas Geisberger,
  • Carolin Moosmann,
  • Christopher M. Scheidler,
  • Wolfgang Eisenreich,
  • Günter Wächtershäuser and
  • Claudia Huber

7 April 2020

Carbon fixation, in addition to the evolution of metabolism, is a main requirement for the evolution of life. Here, we report a one-pot carbon fixation of acetylene (C2H2) and carbon monoxide (CO) by aqueous nickel sulfide (NiS) under hydrothermal (&...

  • Review
  • Open Access
32 Citations
11,002 Views
30 Pages

Cultivation and Biorefinery of Microalgae (Chlorella sp.) for Producing Biofuels and Other Byproducts: A Review

  • Chiu-Mei Kuo,
  • Yu-Ling Sun,
  • Cheng-Han Lin,
  • Chao-Hsu Lin,
  • Hsi-Tien Wu and
  • Chih-Sheng Lin

6 December 2021

Microalgae-based carbon dioxide (CO2) biofixation and biorefinery are the most efficient methods of biological CO2 reduction and reutilization. The diversification and high-value byproducts of microalgal biomass, known as microalgae-based biorefinery...

  • Editorial
  • Open Access
8 Citations
4,790 Views
5 Pages

21 February 2019

Plasma catalysis is gaining increasing interest for various gas conversion applications, such as CO2 conversion into value-added chemicals and fuels, N2 fixation for the synthesis of NH3 or NOx, and CH4 conversion into higher hydrocarbons or oxygenat...

  • Article
  • Open Access
5 Citations
4,150 Views
13 Pages

Biosynthesis of Pyrrole-2-carbaldehyde via Enzymatic CO2 Fixation

  • Gabriel R. Titchiner,
  • Stephen A. Marshall,
  • Herkus Miscikas and
  • David Leys

14 May 2022

The use of CO2 as a chemical building block is of considerable interest. To achieve carbon fixation at ambient conditions, (de)carboxylase enzymes offer an attractive route but frequently require elevated [CO2] levels to yield the acid product. Howev...

  • Article
  • Open Access
4 Citations
2,102 Views
13 Pages

29 April 2023

The increase in the concentration of CO2 in the atmosphere is currently causing metabolomic and physiological changes in living beings and especially in plants. Future climate change may affect crop productivity by limiting the uptake of soil resourc...

  • Review
  • Open Access
3 Citations
3,905 Views
26 Pages

1 October 2024

The last decade has registered a rapid development of new artificial CO2-bioconversion processes mirroring natural CO2-fixation by carboxylation and/or reduction reactions. The development of artificial pathways has shown that we have sufficient tool...

  • Article
  • Open Access
18 Citations
4,273 Views
10 Pages

Cu(I)/Ionic Liquids Promote the Conversion of Carbon Dioxide into Oxazolidinones at Room Temperature

  • Jikuan Qiu,
  • Yue Zhao,
  • Yuling Zhao,
  • Huiyong Wang,
  • Zhiyong Li,
  • Jianji Wang and
  • Tiantian Jiao

29 March 2019

Recently, the efficient chemical fixation of carbon dioxide (CO2) into high value chemicals without using noble metal catalysts has become extremely appealing from the viewpoint of sustainable chemistry. In this work, a one-pot three component reacti...

  • Article
  • Open Access
5 Citations
2,985 Views
21 Pages

5 October 2022

To solve the problem of nitrogen loss and harmful gas emissions in the co-composting of cyanobacteria with other wastes and agricultural non-point source pollution in the Chaohu Lake Basin (CHLB), this study selected cyanobacteria as the main materia...

  • Review
  • Open Access
56 Citations
8,839 Views
29 Pages

A Review of Carbon Capture and Valorization Technologies

  • Jiban Podder,
  • Biswa R. Patra,
  • Falguni Pattnaik,
  • Sonil Nanda and
  • Ajay K. Dalai

9 March 2023

Global fossil fuel consumption has induced emissions of anthropogenic carbon dioxide (CO2), which has emanated global warming. Significant levels of CO2 are released continually into the atmosphere from the extraction of fossil fuels to their process...

  • Article
  • Open Access
31 Citations
6,123 Views
23 Pages

Effects of Co-Inoculating Saccharomyces spp. with Bradyrhizobium japonicum on Atmospheric Nitrogen Fixation in Soybeans (Glycine max (L.))

  • Obey Kudakwashe Zveushe,
  • Victor Resco de Dios,
  • Hengxing Zhang,
  • Fang Zeng,
  • Siqin Liu,
  • Songrong Shen,
  • Qianlin Kang,
  • Yazhen Zhang,
  • Miao Huang and
  • Ahmed Sarfaraz
  • + 5 authors

3 February 2023

Crop production encounters challenges due to the dearth of nitrogen (N) and phosphorus (P), while excessive chemical fertilizer use causes environmental hazards. The use of N-fixing microbes and P-solubilizing microbes (PSMs) can be a sustainable str...

  • Review
  • Open Access
35 Citations
10,237 Views
41 Pages

Catalytic Conversion of Carbon Dioxide through C-N Bond Formation

  • Jing-Yuan Li,
  • Qing-Wen Song,
  • Kan Zhang and
  • Ping Liu

5 January 2019

From the viewpoint of green chemistry and sustainable development, it is of great significance to synthesize chemicals from CO2 as C1 source through C-N bond formation. During the past several decade years, many studies on C-N bond formation reaction...

  • Review
  • Open Access
28 Citations
14,520 Views
20 Pages

28 April 2011

Deep sea hydrothermal vents are located along the mid-ocean ridge system, near volcanically active areas, where tectonic plates are moving away from each other. Sea water penetrates the fissures of the volcanic bed and is heated by magma. This heated...

  • Article
  • Open Access
10 Citations
4,321 Views
13 Pages

The increasing use of chemical fertilizers causes the loss of natural biological nitrogen fixation in soils, water eutrophication and emits more than 300 Mton CO2 per year. It also limits the success of external bacterial inoculation in the soil. Nit...

  • Article
  • Open Access
5 Citations
3,537 Views
23 Pages

Thermodynamics of Potential CHO Metabolites in a Reducing Environment

  • Jeremy Kua,
  • Alexandra L. Hernandez and
  • Danielle N. Velasquez

29 September 2021

How did metabolism arise and evolve? What chemical compounds might be suitable to support and sustain a proto-metabolism before the advent of more complex co-factors? We explore these questions by using first-principles quantum chemistry to calculate...

  • Article
  • Open Access
3 Citations
2,419 Views
13 Pages

New Estimates of Nitrogen Fixation on Early Earth

  • Madeline Christensen,
  • Danica Adams,
  • Michael L. Wong,
  • Patrick Dunn and
  • Yuk L. Yung

8 May 2024

Fixed nitrogen species generated by the early Earth’s atmosphere are thought to be critical to the emergence of life and the sustenance of early metabolisms. A previous study estimated nitrogen fixation in the Hadean Earth’s N2/CO2-domina...

  • Article
  • Open Access
3 Citations
1,810 Views
16 Pages

The synthesis of methanol from CO2 hydrogenation is an effective measure to deal with global climate change and an important route for the chemical fixation of CO2. In this work, carbon-confined MoSe2 (MoSe2@C) catalysts were prepared by in situ pyro...

  • Feature Paper
  • Review
  • Open Access
101 Citations
20,140 Views
115 Pages

Recent Progress with Pincer Transition Metal Catalysts for Sustainability

  • Luca Piccirilli,
  • Danielle Lobo Justo Pinheiro and
  • Martin Nielsen

11 July 2020

Our planet urgently needs sustainable solutions to alleviate the anthropogenic global warming and climate change. Homogeneous catalysis has the potential to play a fundamental role in this process, providing novel, efficient, and at the same time eco...

  • Article
  • Open Access
1 Citations
1,916 Views
16 Pages

LCCO2 Assessment and Fertilizer Production from Absorbed-CO2 Solid Matter in a Small-Scale DACCU Plant

  • Tianjiao Cheng,
  • Takeji Hirota,
  • Hiroshi Onoda and
  • Andante Hadi Pandyaswargo

9 October 2024

This study investigates a novel method of utilizing Direct Air Capture (DAC) technology for fertilizer production. Unlike traditional Direct Air Carbon Capture and Utilization (DACCU) technologies, Direct Air Carbon Capture for Fertilizers (FDAC) has...

  • Article
  • Open Access
8 Citations
5,126 Views
22 Pages

Conversion of CO2 into organic chemicals offers a promising route for advancing the circularity of carbon capture, utilisation, and storage in line with the international 2050 Net Zero agenda. The widely known commercialised chemical fixation of CO2...

  • Article
  • Open Access
53 Citations
5,442 Views
13 Pages

27 August 2019

Bioelectrochemical systems (BESs) is a term that encompasses a group of novel technologies able to interconvert electrical energy and chemical energy by means of a bioelectroactive biofilm. Microbial electrosynthesis (MES) systems, which branch off f...

  • Article
  • Open Access
19 Citations
3,963 Views
13 Pages

Immobilization of Ionic Liquid on a Covalent Organic Framework for Effectively Catalyzing Cycloaddition of CO2 to Epoxides

  • Qianqian Yan,
  • Hao Liang,
  • Shenglin Wang,
  • Hui Hu,
  • Xiaofang Su,
  • Songtao Xiao,
  • Huanjun Xu,
  • Xuechao Jing,
  • Fei Lu and
  • Yanan Gao

21 September 2022

Transforming CO2 into value-added chemicals has been an important subject in recent years. The development of a novel heterogeneous catalyst for highly effective CO2 conversion still remains a great challenge. As an emerging class of porous organic p...

  • Review
  • Open Access
3 Citations
3,965 Views
22 Pages

Emerging Sustainability in Carbon Capture and Use Strategies for V4 Countries via Biochemical Pathways: A Review

  • Lukáš Krátký,
  • Stanislaw Ledakowicz,
  • Radoslaw Slezak,
  • Vojtěch Bělohlav,
  • Peter Peciar,
  • Máté Petrik,
  • Tomáš Jirout,
  • Marián Peciar,
  • Zoltán Siménfalvi and
  • Radek Šulc
  • + 1 author

31 January 2024

The world is moving towards decarbonization policies in the energy and industrial sectors to bring down carbon dioxide release and reach net zero emissions. Technologies to capture CO2 and use it as a feedstock to produce CO2-based chemicals and biof...

  • Article
  • Open Access
3 Citations
6,945 Views
15 Pages

15 December 2014

Stem/progenitor cells are promising candidates for the regeneration of parenchyma in acute and chronic renal failure. However, recent data exhibit that survival of stem/progenitor cells after implantation in diseased renal parenchyma is restricted. T...

  • Review
  • Open Access
21 Citations
8,215 Views
41 Pages

Perspectives for Using CO2 as a Feedstock for Biomanufacturing of Fuels and Chemicals

  • Elif Kurt,
  • Jiansong Qin,
  • Alexandria Williams,
  • Youbo Zhao and
  • Dongming Xie

Microbial cell factories offer an eco-friendly alternative for transforming raw materials into commercially valuable products because of their reduced carbon impact compared to conventional industrial procedures. These systems often depend on lignoce...

  • Article
  • Open Access
1 Citations
1,586 Views
15 Pages

22 February 2025

The use of CO2 as a C1 carbon source for the synthesis of valuable chemicals through biotechnology methods represents an effective strategy to fix carbon dioxide. Phenolic acid decarboxylases possess the capability to introduce a carboxyl group into...

  • Article
  • Open Access
13 Citations
5,077 Views
24 Pages

Anabaena sp. UTEX 2576 metabolizes multiple nitrogen (N) sources and is deemed a biotechnological platform for chemical production. Cyanobacteria have been identified as prolific producers of biofertilizers, biopolymers, biofuels, and other bioactive...

  • Review
  • Open Access
16 Citations
8,637 Views
34 Pages

Review of Marine Cyanobacteria and the Aspects Related to Their Roles: Chemical, Biological Properties, Nitrogen Fixation and Climate Change

  • Hesham R. El-Seedi,
  • Mohamed F. El-Mallah,
  • Nermeen Yosri,
  • Muaaz Alajlani,
  • Chao Zhao,
  • Muhammad A. Mehmood,
  • Ming Du,
  • Hammad Ullah,
  • Maria Daglia and
  • Zhiming Guo
  • + 2 authors

3 August 2023

Marine cyanobacteria are an ancient group of photosynthetic microbes dating back to 3.5 million years ago. They are prolific producers of bioactive secondary metabolites. Over millions of years, natural selection has optimized their metabolites to po...

  • Article
  • Open Access
30 Citations
5,651 Views
15 Pages

The Effect of MICP on Physical and Mechanical Properties of Silt with Different Fine Particle Content and Pore Ratio

  • Yang Zhao,
  • Qian Wang,
  • Mengnan Yuan,
  • Xi Chen,
  • Zhiyang Xiao,
  • Xiaohong Hao,
  • Jing Zhang and
  • Qiang Tang

23 December 2021

Microbial-induced calcium carbonate precipitation (MICP) is a new soil remediation technology, which can improve the physical and mechanical properties of soil by transporting bacterial solution and cementation solution to loose soil and precipitatin...

  • Article
  • Open Access
2 Citations
2,478 Views
17 Pages

Impact of Carbon Fixation, Distribution and Storage on the Production of Farnesene and Limonene in Synechocystis PCC 6803 and Synechococcus PCC 7002

  • Marine Vincent,
  • Victoire Blanc-Garin,
  • Célia Chenebault,
  • Mattia Cirimele,
  • Sandrine Farci,
  • Luis Fernando Garcia-Alles,
  • Corinne Cassier-Chauvat and
  • Franck Chauvat

Terpenes are high-value chemicals which can be produced by engineered cyanobacteria from sustainable resources, solar energy, water and CO2. We previously reported that the euryhaline unicellular cyanobacteria Synechocystis sp. PCC 6803 (S.6803) and...

  • Article
  • Open Access
2,321 Views
16 Pages

Dyeing Performance of a Synthesized and Ultrafiltrated Bifunctional Reactive Dye with Two Vinylsulfone Groups on Cotton Fabrics

  • Smaro S. Lykidou,
  • Vasileios Daniilidis,
  • Evangelia C. Vouvoudi and
  • Nikolaos F. Nikolaidis

The objective of this study is to investigate the performance of the ultrafiltration process as a purification method on the dyeing properties of a newly synthesized homobifunctional reactive dye. This is a green–blue reactive dye with two viny...

  • Article
  • Open Access
2 Citations
2,107 Views
19 Pages

Pleiotropic Regulator GssR Positively Regulates Autotrophic Growth of Gas-Fermenting Clostridium ljungdahlii

  • Huan Zhang,
  • Can Zhang,
  • Xiaoqun Nie,
  • Yuwei Wu,
  • Chen Yang,
  • Weihong Jiang and
  • Yang Gu

Clostridium ljungdahlii is a representative autotrophic acetogen capable of producing multiple chemicals from one-carbon gases (CO2/CO). The metabolic and regulatory networks of this carbon-fixing bacterium are interesting, but still remain minimally...

  • Review
  • Open Access
1 Citations
2,646 Views
35 Pages

Recent Progress in Designing Nanomaterial Biohybrids for Artificial Photosynthesis

  • Sampathkumar Jeevanandham,
  • Subramaniyan Ramasundaram,
  • Natarajan Vijay,
  • Tae Hwan Oh and
  • Subramanian Tamil Selvan

In natural photosynthesis, solar energy is utilized to convert water and CO2 into energy-rich compounds. However, in practice, the maximum quantum efficiency of natural photosynthesis is limited to 6.0%. Conversely, artificial photosynthesis (AP) sys...

  • Article
  • Open Access
25 Citations
4,958 Views
14 Pages

17 March 2021

Photocatalytic utilization of CO2 in the production of value-added chemicals has presented a recent green alternative for CO2 fixation. In this regard, three FeNbO4/NH2-MIL-125(Ti) composites of different mole ratios were synthesized, characterized u...

  • Proceeding Paper
  • Open Access
8 Citations
1,752 Views
7 Pages

Evaluation of Potential Carbon Dioxide Utilization Pathways in Uzbekistan

  • Azizbek Kamolov,
  • Zafar Turakulov,
  • Adham Norkobilov,
  • Miroslav Variny and
  • Marcos Fallanza

31 October 2023

Reaching net-zero emissions by the middle of this century requires the implementation of massive carbon dioxide (CO2) emission reduction strategies along with the reduction of other greenhouse gases on both global and country scales. Thus, carbon cap...

  • Communication
  • Open Access
13 Citations
3,600 Views
8 Pages

Assessment of Voltage Influence in Carbon Dioxide Fixation Process by a Photo-Bioelectrochemical System under Photoheterotrophy

  • Sara Díaz-Rullo Edreira,
  • Silvia Barba,
  • Ioanna A. Vasiliadou,
  • Raúl Molina,
  • Juan Antonio Melero,
  • Juan José Espada,
  • Daniel Puyol and
  • Fernando Martínez

Bioelectrochemical systems are a promising technology capable of reducing CO2 emissions, a renewable carbon source, using electroactive microorganisms for this purpose. Purple Phototrophic Bacteria (PPB) use their versatile metabolism to uptake exter...

  • Article
  • Open Access
17 Citations
3,629 Views
21 Pages

Laser Surface Texturing and Electropolishing of CoCr and Ti6Al4V-ELI Alloys for Biomedical Applications

  • Jesús A. Sandoval-Robles,
  • Ciro A. Rodríguez and
  • Erika García-López

17 November 2020

The interplay between a prosthetic and tissue represents an important factor for the fixation of orthopedic implants. Laser texturing tests and electropolishing were performed on two materials used in the fabrication of medical devices, i.e., CoCr an...

  • Article
  • Open Access
7 Citations
1,950 Views
17 Pages

17 July 2023

Much effort has been devoted to the development of efficient heterogeneous catalysts for the conversion of carbon dioxide (CO2) into high-value chemicals. Generally, the cycloaddition of CO2 to epoxides is considered a green and atom-economic reactio...

  • Article
  • Open Access
2 Citations
1,888 Views
15 Pages

12 September 2024

In this paper, a novel process for synergistic carbon in situ capture and the utilization of blast furnace gas is proposed to produce CO via chemical looping. Through thermodynamic analysis, this process was studied in terms of the carbon fixation ra...

  • Feature Paper
  • Article
  • Open Access
50 Citations
8,234 Views
14 Pages

21 August 2018

White biotechnology is promising to transform CO2 emissions into a valuable commodity chemical such as the biopolymer polyhydroxyalkanaotes (PHA). Our calculations indicated that the indirect conversion of acetic acid from CO2 into PHA is an interest...

  • Article
  • Open Access
35 Citations
4,892 Views
15 Pages

17 March 2021

Biological nitrogen fixation requires a large amount of phosphorus (P). However, most of the soils are P-deficient and the extensive use of P- chemical fertilizers constitute a serious threat to the environment. In this context, two field experiments...

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