Microorganism mediated biosynthesis of metal chalcogenides; a powerful tool to transform toxic effluents into functional nanomaterials
Cadmium contained in soil and water can be taken up by certain crops and aquatic organisms and accumulate in the food-chain, thus removal of Cd from mining or industrial effluents – i.e. Ni-Cd batteries, electroplating, pigments, fertilizers – becomes mandatory for human health. In parallel, there i...
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00489697_v565_n_p804_Vena http://hdl.handle.net/20.500.12110/paper_00489697_v565_n_p804_Vena |
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paper:paper_00489697_v565_n_p804_Vena2023-06-08T15:05:45Z Microorganism mediated biosynthesis of metal chalcogenides; a powerful tool to transform toxic effluents into functional nanomaterials Bioremediation Biosynthesis Cadmium chalcogenides Q-dots Sol-gel Aquatic organisms Biochemistry Biocompatibility Biology Biomimetics Bioremediation Biosynthesis Biotechnology Cadmium Cadmium sulfide Chalcogenides Chemical contamination Effluents Enzyme activity Inorganic compounds Microorganisms Nanoparticles Nickel cadmium batteries Pollution Sewage Sol-gel process Sol-gels Biomimetic approaches Cadmium chalcogenides Critical discussions Extracellular biosynthesis Functional Nano materials Industrial effluent Metabolic activity Q-dots Chemicals removal (water treatment) cadmium cadmium selenide cadmium sulfide cadmium telluride calcium alginate nanomaterial quantum dot unclassified drug cadmium chalcogen metal nanoparticle bioremediation cadmium chemical compound effluent gel microorganism nanoparticle waste treatment Article biocompatibility biomimetics bioreactor bioremediation biosynthesis biotechnology biotransformation cadmium depletion cell density cell encapsulation clinical protocol controlled study depletion effluent toxicity membrane reactor metabolic regulation microbial growth microbial metabolism microbial viability nonhuman priority journal toxicity bacterium chemistry ecosystem restoration fungus luminescence metabolism microalga procedures yeast Bacteria Biodegradation, Environmental Cadmium Chalcogens Environmental Restoration and Remediation Fungi Luminescence Metal Nanoparticles Microalgae Quantum Dots Yeasts Cadmium contained in soil and water can be taken up by certain crops and aquatic organisms and accumulate in the food-chain, thus removal of Cd from mining or industrial effluents – i.e. Ni-Cd batteries, electroplating, pigments, fertilizers – becomes mandatory for human health. In parallel, there is an increased interest in the production of luminescent Q-dots for applications in bioimaging, sensors and electronic devices, even the present synthesis methods are economic and environmentally costly. An alternative green pathway for producing Metal chalcogenides (MC: CdS, CdSe, CdTe) nanocrystals is based on the metabolic activity of living organisms. Intracellular and extracellular biosynthesis of can be achieved within a biomimetic approach feeding living organisms with Cd precursors providing new routes for combining bioremediation with green routes for producing MC nanoparticles. In this mini-review we present the state-of-the-art of biosynthesis of MC nanoparticles with a critical discussion of parameters involved and protocols. Few existing examples of scaling-up are also discussed. A modular reactor based on microorganisms entrapped in biocompatible mineral matrices – already proven for bioremediation of dissolved dyes – is proposed for combining both Cd-depletion and MC nanoparticle's production. © 2016 2015 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00489697_v565_n_p804_Vena http://hdl.handle.net/20.500.12110/paper_00489697_v565_n_p804_Vena |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Bioremediation Biosynthesis Cadmium chalcogenides Q-dots Sol-gel Aquatic organisms Biochemistry Biocompatibility Biology Biomimetics Bioremediation Biosynthesis Biotechnology Cadmium Cadmium sulfide Chalcogenides Chemical contamination Effluents Enzyme activity Inorganic compounds Microorganisms Nanoparticles Nickel cadmium batteries Pollution Sewage Sol-gel process Sol-gels Biomimetic approaches Cadmium chalcogenides Critical discussions Extracellular biosynthesis Functional Nano materials Industrial effluent Metabolic activity Q-dots Chemicals removal (water treatment) cadmium cadmium selenide cadmium sulfide cadmium telluride calcium alginate nanomaterial quantum dot unclassified drug cadmium chalcogen metal nanoparticle bioremediation cadmium chemical compound effluent gel microorganism nanoparticle waste treatment Article biocompatibility biomimetics bioreactor bioremediation biosynthesis biotechnology biotransformation cadmium depletion cell density cell encapsulation clinical protocol controlled study depletion effluent toxicity membrane reactor metabolic regulation microbial growth microbial metabolism microbial viability nonhuman priority journal toxicity bacterium chemistry ecosystem restoration fungus luminescence metabolism microalga procedures yeast Bacteria Biodegradation, Environmental Cadmium Chalcogens Environmental Restoration and Remediation Fungi Luminescence Metal Nanoparticles Microalgae Quantum Dots Yeasts |
spellingShingle |
Bioremediation Biosynthesis Cadmium chalcogenides Q-dots Sol-gel Aquatic organisms Biochemistry Biocompatibility Biology Biomimetics Bioremediation Biosynthesis Biotechnology Cadmium Cadmium sulfide Chalcogenides Chemical contamination Effluents Enzyme activity Inorganic compounds Microorganisms Nanoparticles Nickel cadmium batteries Pollution Sewage Sol-gel process Sol-gels Biomimetic approaches Cadmium chalcogenides Critical discussions Extracellular biosynthesis Functional Nano materials Industrial effluent Metabolic activity Q-dots Chemicals removal (water treatment) cadmium cadmium selenide cadmium sulfide cadmium telluride calcium alginate nanomaterial quantum dot unclassified drug cadmium chalcogen metal nanoparticle bioremediation cadmium chemical compound effluent gel microorganism nanoparticle waste treatment Article biocompatibility biomimetics bioreactor bioremediation biosynthesis biotechnology biotransformation cadmium depletion cell density cell encapsulation clinical protocol controlled study depletion effluent toxicity membrane reactor metabolic regulation microbial growth microbial metabolism microbial viability nonhuman priority journal toxicity bacterium chemistry ecosystem restoration fungus luminescence metabolism microalga procedures yeast Bacteria Biodegradation, Environmental Cadmium Chalcogens Environmental Restoration and Remediation Fungi Luminescence Metal Nanoparticles Microalgae Quantum Dots Yeasts Microorganism mediated biosynthesis of metal chalcogenides; a powerful tool to transform toxic effluents into functional nanomaterials |
topic_facet |
Bioremediation Biosynthesis Cadmium chalcogenides Q-dots Sol-gel Aquatic organisms Biochemistry Biocompatibility Biology Biomimetics Bioremediation Biosynthesis Biotechnology Cadmium Cadmium sulfide Chalcogenides Chemical contamination Effluents Enzyme activity Inorganic compounds Microorganisms Nanoparticles Nickel cadmium batteries Pollution Sewage Sol-gel process Sol-gels Biomimetic approaches Cadmium chalcogenides Critical discussions Extracellular biosynthesis Functional Nano materials Industrial effluent Metabolic activity Q-dots Chemicals removal (water treatment) cadmium cadmium selenide cadmium sulfide cadmium telluride calcium alginate nanomaterial quantum dot unclassified drug cadmium chalcogen metal nanoparticle bioremediation cadmium chemical compound effluent gel microorganism nanoparticle waste treatment Article biocompatibility biomimetics bioreactor bioremediation biosynthesis biotechnology biotransformation cadmium depletion cell density cell encapsulation clinical protocol controlled study depletion effluent toxicity membrane reactor metabolic regulation microbial growth microbial metabolism microbial viability nonhuman priority journal toxicity bacterium chemistry ecosystem restoration fungus luminescence metabolism microalga procedures yeast Bacteria Biodegradation, Environmental Cadmium Chalcogens Environmental Restoration and Remediation Fungi Luminescence Metal Nanoparticles Microalgae Quantum Dots Yeasts |
description |
Cadmium contained in soil and water can be taken up by certain crops and aquatic organisms and accumulate in the food-chain, thus removal of Cd from mining or industrial effluents – i.e. Ni-Cd batteries, electroplating, pigments, fertilizers – becomes mandatory for human health. In parallel, there is an increased interest in the production of luminescent Q-dots for applications in bioimaging, sensors and electronic devices, even the present synthesis methods are economic and environmentally costly. An alternative green pathway for producing Metal chalcogenides (MC: CdS, CdSe, CdTe) nanocrystals is based on the metabolic activity of living organisms. Intracellular and extracellular biosynthesis of can be achieved within a biomimetic approach feeding living organisms with Cd precursors providing new routes for combining bioremediation with green routes for producing MC nanoparticles. In this mini-review we present the state-of-the-art of biosynthesis of MC nanoparticles with a critical discussion of parameters involved and protocols. Few existing examples of scaling-up are also discussed. A modular reactor based on microorganisms entrapped in biocompatible mineral matrices – already proven for bioremediation of dissolved dyes – is proposed for combining both Cd-depletion and MC nanoparticle's production. © 2016 |
title |
Microorganism mediated biosynthesis of metal chalcogenides; a powerful tool to transform toxic effluents into functional nanomaterials |
title_short |
Microorganism mediated biosynthesis of metal chalcogenides; a powerful tool to transform toxic effluents into functional nanomaterials |
title_full |
Microorganism mediated biosynthesis of metal chalcogenides; a powerful tool to transform toxic effluents into functional nanomaterials |
title_fullStr |
Microorganism mediated biosynthesis of metal chalcogenides; a powerful tool to transform toxic effluents into functional nanomaterials |
title_full_unstemmed |
Microorganism mediated biosynthesis of metal chalcogenides; a powerful tool to transform toxic effluents into functional nanomaterials |
title_sort |
microorganism mediated biosynthesis of metal chalcogenides; a powerful tool to transform toxic effluents into functional nanomaterials |
publishDate |
2015 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00489697_v565_n_p804_Vena http://hdl.handle.net/20.500.12110/paper_00489697_v565_n_p804_Vena |
_version_ |
1768542828483313664 |