Antibiotic resistance in drinking water systems: Occurrence, removal, and human health risks

The Science of The Total Environment, Journal Year: 2019, Volume and Issue: 669, P. 785 - 797

Published: March 12, 2019

Language: Английский

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Light-driven fine chemical production in yeast biohybrids

Science, Journal Year: 2018, Volume and Issue: 362(6416), P. 813 - 816

Published: Nov. 15, 2018

Inorganic-biological hybrid systems have potential to be sustainable, efficient, and versatile chemical synthesis platforms by integrating the light-harvesting properties of semiconductors with synthetic biological cells. We developed a modular bioinorganic platform that consists highly efficient indium phosphide nanoparticles genetically engineered Saccharomyces cerevisiae, workhorse microorganism in biomanufacturing. The yeast harvests photogenerated electrons from illuminated uses them for cytosolic regeneration redox cofactors. This process enables decoupling biosynthesis cofactor regeneration, facilitating carbon- energy-efficient production metabolite shikimic acid, common precursor several drugs fine chemicals. Our work provides rational design biohybrids biomanufacturing processes higher complexity functionality.

Language: Английский

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Molecular Insights into Extracellular Polymeric Substances in Activated Sludge

Environmental Science & Technology, Journal Year: 2020, Volume and Issue: 54(13), P. 7742 - 7750

Published: June 1, 2020

Extracellular polymeric substances (EPS) are known to crucially affect the properties and performance of activated sludge, but detailed influential mechanisms pertinence specific compositional, structural EPS still elusive. Such knowledge gaps have severely limited our ability in optimizing biological wastewater treatment processes, for which long-term robust efficient sludge remains one main bottlenecks. Here, we overview new on molecular structure gained over past few years discuss future challenges opportunities further advancing study engineering. The functional features several macromolecules their important roles granular analyzed detail. EPS–pollutant interactions environment-dependent regulation machinery production deciphered. Lastly, remaining identified, research needs that may lead molecular-level understanding precise engineering highlighted.

Language: Английский

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Fundamentals, Applications, and Future Directions of Bioelectrocatalysis

Chemical Reviews, Journal Year: 2020, Volume and Issue: 120(23), P. 12903 - 12993

Published: Oct. 14, 2020

Bioelectrocatalysis is an interdisciplinary research field combining biocatalysis and electrocatalysis via the utilization of materials derived from biological systems as catalysts to catalyze redox reactions occurring at electrode. synergistically couples merits both electrocatalysis. The advantages include high activity, selectivity, wide substrate scope, mild reaction conditions. possible renewable electricity electron source energy conversion efficiency. These properties are integrated achieve selective biosensing, efficient conversion, production diverse products. This review seeks systematically comprehensively detail fundamentals, analyze existing problems, summarize development status applications, look toward future directions bioelectrocatalysis. First, structure, function, modification bioelectrocatalysts discussed. Second, essentials bioelectrocatalytic systems, including transfer mechanisms, electrode materials, medium, described. Third, application bioelectrocatalysis in fields biosensors, fuel cells, solar catalytic mechanism studies, bioelectrosyntheses high-value chemicals summarized. Finally, developments a perspective on suggested.

Language: Английский

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Enhancing sludge methanogenesis with improved redox activity of extracellular polymeric substances by hematite in red mud

Water Research, Journal Year: 2018, Volume and Issue: 134, P. 54 - 62

Published: Feb. 3, 2018

Language: Английский

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Electrochemical roles of extracellular polymeric substances in biofilms

Current Opinion in Electrochemistry, Journal Year: 2017, Volume and Issue: 4(1), P. 206 - 211

Published: Aug. 1, 2017

Language: Английский

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Carbon dots-fed Shewanella oneidensis MR-1 for bioelectricity enhancement

Nature Communications, Journal Year: 2020, Volume and Issue: 11(1)

Published: March 13, 2020

Abstract Bioelectricity generation, by Shewanella oneidensis ( S. ) MR-1, has become particularly alluring, thanks to its extraordinary prospects for energy production, pollution treatment, and biosynthesis. Attempts improve technological output modification of MR-1 remains complicated, expensive inefficient. Herein, we report on the augmentation with carbon dots (CDs). The CDs-fed cells show accelerated extracellular electron transfer metabolic rate, increased intracellular charge, higher adenosine triphosphate level, quicker substrate consumption more abundant secretion. Meanwhile, CDs promote cellular adhesion, electronegativity, biofilm formation. In bioelectrical systems increase maximum current value, 7.34 fold, power output, 6.46 fold. enhancement efficacy is found be strongly dependent surface charge CDs. This work demonstrates a simple, cost-effective efficient route bioelectricity generation holding promise in all relevant technologies.

Language: Английский

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Electrochemical behavior of biochar and its effects on microbial nitrate reduction: Role of extracellular polymeric substances in extracellular electron transfer

Chemical Engineering Journal, Journal Year: 2020, Volume and Issue: 395, P. 125077 - 125077

Published: April 15, 2020

Language: Английский

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Anode potentials regulate Geobacter biofilms: New insights from the composition and spatial structure of extracellular polymeric substances

Water Research, Journal Year: 2019, Volume and Issue: 159, P. 294 - 301

Published: May 9, 2019

Language: Английский

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Extracellular electron transfer features of Gram-positive bacteria

Analytica Chimica Acta, Journal Year: 2019, Volume and Issue: 1076, P. 32 - 47

Published: May 7, 2019

Language: Английский

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