Phyconanoremediation: a sustainable approach to deal with environmental pollutants heavy metals and dyes

Kumar, Lakhan; Mohan, Lalit; Anand, Shaubhik; Bhardwaj, Deepti; Bharadvaja, Navneeta

doi:10.1007/s42535-022-00399-y

Cited by 8 publications

(4 citation statements)

References 70 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Due to the presence of hydrophilic surface groups, such as sulfate, carboxyl, and hydroxyl nano-based materials are successful in the fabrication of products possessing antioxidant, antimicrobial, antibacterial, cell imaging, and dye degradation properties. Parameters include pH, temperature, incubation time, intensity of light, and precursor effects the synthesis rate (Rahman et al, 2020;Kumar et al, 2022b). For instance, Acutodesmus dimorphus synthesized silver nanoparticles depict 79% ROS scavenging at 25 μg/ml concentration making it antioxidant (Chokshi et al, 2016).…”

Section: Lea Based Nanomaterialsmentioning

confidence: 99%

A review on unit operations, challenges, opportunities, and strategies to improve algal based biodiesel and biorefinery

Kumar

Mohan²,

Anand³

et al. 2022

Front. Chem. Eng.

Self Cite

View full text Add to dashboard Cite

Globally, the demand for energy is increasing with an emphasis on green fuels for a sustainable future. As the urge for alternative fuels is accelerating, microalgae have emerged as a promising source that can not only produce high lipid but many other platform chemicals. Moreover, it is a better alternative in comparison to conventional feedstock due to yearlong easy and mass cultivation, carbon fixation, and value-added products extraction. To date, numerous studies have been done to elucidate these organisms for large-scale fuel production. However, enhancing the lipid synthesis rate and reducing the production cost still remain a major bottleneck for its economic viability. Therefore, this study compiles information on algae-based biodiesel production with an emphasis on its unit operations from strain selection to biofuel production. Additionally, strategies to enhance lipid accumulation by incorporating genetic, and metabolic engineering and the use of leftover biomass for harnessing bio-products have been discussed. Besides, implementing a biorefinery for extracting oil followed by utilizing leftover biomass to generate value-added products such as nanoparticles, biofertilizers, biochar, and biopharmaceuticals has also been discussed.

show abstract

Section: Lea Based Nanomaterialsmentioning

confidence: 99%

A review on unit operations, challenges, opportunities, and strategies to improve algal based biodiesel and biorefinery

Kumar

Mohan²,

Anand³

et al. 2022

Front. Chem. Eng.

Self Cite

View full text Add to dashboard Cite

show abstract

“…In the case of biological or green synthesis approach, the extract obtained from organisms such as plants, algae, bacterial and fungal species acts as reducing as well as capping agent for the synthesis and stabilizing of nanoparticles. The reduction of metal ions occurs due to the presence of various biomolecules such as amino acids, proteins, enzymes, polysaccharides, vitamins and other primary or secondary metabolites [ 14 ]. Among all the potential candidates of nanoparticles synthesis, plants and bacterial species have been intensively researched upon for their potential of nanoparticles synthesis.…”

Section: Introductionmentioning

confidence: 99%

“…The species is a store house of various biochemicals such as carotenoids, amino acids, polysaccharides such as starch, polyphenols, vitamins, astaxanthins, proteins and enzymes [ 28 ]. These components serve as both reducing and stabilizing agent during the synthesis of nanoparticles [ 14 ]. Ag-NPs synthesized using C. minutissima extract were characterized and their antibacterial activity against Gram-positive ( Bacillus cereus , Staphylococcus aureus ) and Gram-negative ( E. coli , Klebsiella sp.…”

Section: Introductionmentioning

confidence: 99%

Chlorella minutissima-assisted silver nanoparticles synthesis and evaluation of its antibacterial activity

Kumar

Mohan

Anand

et al. 2023

Syst Microbiol and Biomanuf

Self Cite

View full text Add to dashboard Cite

The conventional methods of nanoparticles synthesis led to the production of highly toxic by-products and the use of toxic chemicals that are highly expensive in nature. Thus, the recent past has witnessed a surge in green synthesis of nanoparticles as a sustainable alternative. The present study outlines the biogenic silver nanoparticles (Ag-NPs) synthesis from an aqueous extract of Chlorella minutissima . The effect of certain parameters such as the reaction mixture’s pH and precursor metal solution to algal extract ratios were explored and optimized. The UV spectrophotometric analysis of Ag-NPs gave surface plasmon response maximally at 426 nm. The developed Ag-NPs were characterized using zeta potential, indicating their high stability (-21.2 mV) with a mean diameter of 73.13 nm. Results from field emission-scanning electron microscopy (FE-SEM) showed that the particles were spherical in shape. Ag-NPs synthesized using Chlorella minutissima extract could significantly inhibit the growth of both Gram-positive and Gram-negative bacterial species. The study highlights that using C. minutissima extract for Ag-NPs synthesis is a convenient and fast process for controlling the growth of Gram-positive as well as Gram-negative bacteria.

show abstract

“…The detrimental effects of heavy metals and their numerous harms, such as cancer, are recognized as one of the most crucial topics that must be addressed when discussing environmental contaminants linked to industrial growth [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

The Effect of the Saudi Haloxylon ammodendron Shrub on Silver Nanoparticles: Optimal Biosynthesis, Characterization, Removability of Mercury Ions, Antimicrobial and Anticancer Activities

Al-Hakimi,

Alresheedi,

Albarrak

2023

Inorganics

View full text Add to dashboard Cite

This research provides a sustainable way to treat water by removing heavy metal hazards (mercury ion) and biological pollutants (several strains of bacteria and fungi) through the eco-friendly synthesis of silver nanoparticles using the ethanol extract of the Saudi Haloxylon ammodendron shrub, which is planted in the Qassim desert. Further, this work confirms that these nanoparticles could be used as anticancer materials. The optimization factors of the biosynthesis of silver nanoparticles were studied and obtained (volume ratio = 1:2, pH = 7.5, and temperature = 60 °C). The scanning electron microscope micrographs showed the spherical shape and the huge numbers of silver nanoparticles accumulated, while X-ray diffraction measurements gave the crystal size of these nanoparticles in the range of 10.64 nm. The application findings of these biofabricated silver nanoparticles demonstrated effective detection and removal of different concentrations of mercury ions (0–2500 ppm) from the polluted aqueous solutions. The work revealed that Haloxylon ammodendron extract enhanced the antibacterial and antifungal activities of silver nanoparticles against different strains of bacteria and fungi. As well, the anticancer activity examinations of these nanoparticles and the extract showed good and reasonable results.

show abstract

Phyconanoremediation: a sustainable approach to deal with environmental pollutants heavy metals and dyes

Cited by 8 publications

References 70 publications

A review on unit operations, challenges, opportunities, and strategies to improve algal based biodiesel and biorefinery

A review on unit operations, challenges, opportunities, and strategies to improve algal based biodiesel and biorefinery

Chlorella minutissima-assisted silver nanoparticles synthesis and evaluation of its antibacterial activity

The Effect of the Saudi Haloxylon ammodendron Shrub on Silver Nanoparticles: Optimal Biosynthesis, Characterization, Removability of Mercury Ions, Antimicrobial and Anticancer Activities

Contact Info

Product

Resources

About