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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Publicado: 2015
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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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spelling 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