Genetically engineered microorganisms for environmental remediation

Chemosphere, Journal Year: 2022, Volume and Issue: 310, P. 136751 - 136751

Published: Oct. 6, 2022

In the recent era, increasing persistence of hazardous contaminants is badly affecting globe in many ways. Due to high environmental contamination, almost every second species on earth facing worst issue their survival. Advances newer remediation approaches may help enhance bioremediation's quality, while conventional procedures have failed remove compounds from environment. Chemical and physical waste cleanup been used current circumstances; however, these methods are costly harmful Thus, there has a rise use bioremediation due an increase which led development genetically engineered microbes (GEMs). It safer more cost-effective microorganisms rather than alternative methods. GEMs created by introducing stronger protein into bacteria through biotechnology or genetic engineering desired trait. Biodegradation oil spills, halobenzoates naphthalenes, toluenes, trichloroethylene, octanes, xylenes etc. accomplished using such bacteria, fungus, algae. Biotechnologically induced powerful naturally occurring ones degrade faster because they can quickly adapt new pollutants encounter co-metabolize. Genetic worthy process that will benefit environment ultimately health our people.

Language: Английский

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MXene-based materials for removal of antibiotics and heavy metals from wastewater– a review

Water Resources and Industry, Journal Year: 2023, Volume and Issue: 29, P. 100202 - 100202

Published: Feb. 2, 2023

As a novel family of 2D materials, MXenes provide an extensive variety applications in water and effluent treatment due to their distinctive properties attractive applicability, including superior electrical conductivity, higher thermal stability, hydrophilicity, high sorption-reduction capacity. Their excellent sorption selectivity makes them perfect for removing hazardous contaminants. Currently, MXene-based materials are regarded as one the most important topics membrane separation processes. This work presents comprehensive review recent developments materials. The membranes, adsorbents, photo-catalysts antibiotics heavy metals from discussed. A comparison membranes with other is outlined. Finally, prospects challenges future research

Language: Английский

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Metal–Organic Framework-Based Materials for Wastewater Treatment: Superior Adsorbent Materials for the Removal of Hazardous Pollutants

ACS Omega, Journal Year: 2023, Volume and Issue: 8(10), P. 9004 - 9030

Published: Feb. 28, 2023

In previous years, different pollutants, for example, organic dyes, antibiotics, heavy metals, pharmaceuticals, and agricultural have been of note to the water enterprise due their insufficient reduction during standard wastewater processing methods. MOFs found potential toward management. This Review focused on synthesis process (such as traditional, electrochemical, microwave, sonochemical, mechanochemical, continuous-flow spray-drying method) MOF materials. Moreover, properties materials discussed in detail. Further, materials' applications treatment removal metal ions, waste) discussed. Additionally, we compared performances some typical MOFs-based with those other commonly used Finally, study's current challenges, future prospects, outlook highlighted.

Language: Английский

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Synthesis, Toxicity Assessment, Environmental and Biomedical Applications of MXenes: A Review

Nanomaterials, Journal Year: 2022, Volume and Issue: 12(11), P. 1797 - 1797

Published: May 24, 2022

MXenes are a family of two-dimensional (2D) composite materials based on transition metal carbides, nitrides and carbonitrides that have been attracting attention since 2011. Combination electrical mechanical properties with hydrophilicity makes them promising for biomedical applications. This review briefly discusses methods the synthesis MXenes, their potential applications in medicine, ranging from sensors antibacterial agents to targeted drug delivery, cancer photo/chemotherapy, tissue engineering, bioimaging, environmental such as adsorbents. We focus vitro vivo toxicity possible mechanisms. discuss analogies other 2D graphene, mentioning greater biocompatibility MXenes. identify existing barriers hinder formation objective knowledge about The most important these differences composition structure, including level oxidation, number layers flake size; functionalization, test concentrations, duration exposure, individual characteristics biological objects Finally, we key areas further research need involve new nanotoxicology, predictive computational methods. Such studies will bring closer prospect widespread industrial production safe use MXene-based products.

Language: Английский

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Application of Two-Dimensional MXene materials in sensors

Materials & Design, Journal Year: 2023, Volume and Issue: 228, P. 111867 - 111867

Published: March 27, 2023

Transition metal carbides and nitrides/carbonitrides (MXenes) with satisfactory conductivity, high specific surface area excellent hydrophilicity have attracted the attention of many researchers in field electrochemical sensors recent years. Etched MXenes usually show an accordion-like morphology; moreover, monolayer exhibit better electrical conductivity mechanical properties. The electronic chemical properties can be significantly changed by means compounding, hybridization modification. large areas used biosensors as carriers for recognition elements to achieve direct electron transfer target analytes. In addition, biological compatibility so that they incorporated into receptors without affecting activity. combined other oxide nanoparticles expand electrode while reducing overpotential effect electroanalysis process enhance catalytic MXene-based detecting strain, pressure, temperature, gas, various biomarkers, some environmental pollutants, use major research fields are summarized. future challenges research, development applications sensing discussed.

Language: Английский

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Hybrid Semiconductor Photocatalyst Nanomaterials for Energy and Environmental Applications: Fundamentals, Designing, and Prospects

Advanced Sustainable Systems, Journal Year: 2023, Volume and Issue: 7(8)

Published: June 27, 2023

Abstract The degradation of fossil fuel and worse environmental conditions leads to the emergence hybrid semiconductor (SC) nanomaterials as photocatalysts. Hybrid SCs have interesting physical, mechanical, optical, chemical, electronic characteristics. Due these properties’ absorption light transfer charge takes place frequently hence act multifunctional surface. These materials should be attributed their optical electrical properties surfaces in energy production, generation, remediation, sensing, etc. When combine with noble, non‐noble metal, metal oxide, some carbon‐based materials, they explore wide applications various fields. Photocatalysis is an effective sustainable technology reduce or fix concerns corrosion problems. By going through extensive literature review, few topics are focused on designing working mechanisms materials. In this way, present review article explains properties, surface‐interface engineering, design, (energy environmental) nanomaterials, emphasizing photocatalytic nature. Additionally, appealing directions, scientific challenges, reasons behind poor stability SC photocatalyst for discussed. Finally, concluding remarks current challenges future prospects domain highlighted.

Language: Английский

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MXene: fundamentals to applications in electrochemical energy storage

Discover Nano, Journal Year: 2023, Volume and Issue: 18(1)

Published: Feb. 3, 2023

Abstract A new, sizable family of 2D transition metal carbonitrides, carbides, and nitrides known as MXenes has attracted a lot attention in recent years. This is because exhibit variety intriguing physical, chemical, mechanical, electrochemical characteristics that are closely linked to the wide their surface terminations elemental compositions. Particularly, readily converted into composites with materials including oxides, polymers, CNTs, which makes it possible modify for uses. MXene-based have demonstrated tremendous promise environmental applications due excellent reducibility, conductivity, biocompatibility, addition well-known rise prominence electrode energy storage sector. The remarkable MXene, high specific area, enhanced hydrophilicity, account increasing its use devices. In this review, we highlight most developments while summarizing synthesis characteristics. Key paid supercapacitors, batteries, flexible components. Future research challenges perspectives also described.

Language: Английский

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MXene-based nanocomposites: emerging candidates for the removal of antibiotics, dyes, and heavy metal ions

Materials Chemistry Frontiers, Journal Year: 2023, Volume and Issue: 7(22), P. 5519 - 5544

Published: Jan. 1, 2023

Fabrication of MXene-based nanocomposites. Photocatalytic properties membranes for the separation toxic pollutants, such as antibiotic drugs, dyes, etc . nanocomposites absorbents heavy metal removal.

Language: Английский

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Graphene-based materials: Unravelling its impact in wastewater treatment for sustainable environments

Next Materials, Journal Year: 2024, Volume and Issue: 3, P. 100107 - 100107

Published: Jan. 12, 2024

Toxic pollutant contamination of water resources is a significant problem. Numerous aquatic systems are tainted by various hazardous inorganic and organic species introduced wastewater from different human sources, including domestic homes, businesses, farms, mining. Given this, treating the primary environmental challenge. An overview recent advancements in materials based on graphene (Gr) for treatment given this paper. Because its special qualities, Gr, two-dimensional material with remarkable mechanical, electrical, thermal properties, has become capable applications. Here, we have discussed types Gr-based synthesis methods used to materials. The physiochemical properties materials, such as high surface area, mechanical strength, electrical conductivity, chemical stability, optical gas permeability, also been discussed. Finally, application (such removal contaminants, pharmaceuticals, heavy metals, bacteria viruses), existing challenges, future direction concluded remarks. A comparative study terms degradation performance cost compared other provided review. Therefore, comprehensive review emerging paradigm applications, providing insights into their potential impact treatment.

Language: Английский

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Nanomaterial-Based Strategies to Combat Antibiotic Resistance: Mechanisms and Applications

Antibiotics, Journal Year: 2025, Volume and Issue: 14(2), P. 207 - 207

Published: Feb. 18, 2025

The rapid rise of antibiotic resistance has become a global health crisis, necessitating the development innovative strategies to combat multidrug-resistant (MDR) pathogens. Nanomaterials have emerged as promising tools in this fight, offering unique physicochemical properties that enhance efficacy, overcome mechanisms, and provide alternative therapeutic approaches. This review explores diverse nanomaterial-based used resistance, focusing on their mechanisms action practical applications. such metal nanoparticles, carbon-based nanomaterials, polymeric nanostructures exhibit antibacterial through various pathways, including generation reactive oxygen species (ROS), disruption bacterial membranes, enhancement delivery. Additionally, ability nanomaterials bypass traditional biofilm formation efflux pumps, been demonstrated numerous studies. also discusses synergistic effects observed when are combined with conventional antibiotics, leading increased susceptibility reduced required dosages. By highlighting recent advancements clinical applications nanomaterial-antibiotic combinations, paper provides comprehensive overview how reshaping future therapies. Future research directions challenges, toxicity scalability, addressed guide safer, more effective treatments.

Language: Английский

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