Cytotoxic aquatic pollutants and their removal by nanocomposite-based sorbents

Srivastava, Varsha; Zare, Ehsan Nazarzadeh; Makvandi, Pooyan; Zheng, Xuan qi; Iftekhar, Sidra; Wu, Aimin; Padil, Vinod V.T.; Mokhtari, Babak; Varma, Rajender S.; Tay, Franklin R.; Sillanpää, Mika

doi:10.1016/j.chemosphere.2020.127324

Cited by 69 publications

(24 citation statements)

References 316 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Enhanced adsorption can be accomplished using metal oxides, which as crystalline materials that possess a metal cation and an oxide anion, e.g. MgO, Al 2 O 3 , Fe 2 O 3 , Fe 3 O 4 , CuO, and ZnO (Gupta et al, 2007;Srivastava et al, 2020). Indeed, metal oxide-based adsorbents bear functional groups, e.g., eOH, eC]O, and eCOOH, and active sites, which can adsorb a wide range of contaminants (Batzill, 2011;Mahmoud et al, 2015;Wu et al, 2016;Bagbi et al, 2017;Li et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Toxicity and remediation of pharmaceuticals and pesticides using metal oxides and carbon nanomaterials

et al. 2021

Self Cite

View full text Add to dashboard Cite

HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

show abstract

Section: Introductionmentioning

confidence: 99%

Toxicity and remediation of pharmaceuticals and pesticides using metal oxides and carbon nanomaterials

et al. 2021

Self Cite

View full text Add to dashboard Cite

show abstract

“…Many valuable biopolymers are attained from marine sources, e.g., chitosan, alginate, fucoidan, carrageenan, etc., to become extensively involved in numerous products and applications, serving environmental, biomedical, nutritional, pharmaceutical, and industrial sectors [ 2 ]. The environmental remediation using biopolymers includes the removal and reduction of pollutants like heavy metals (HM), toxic organic dyes and solvents, pesticides, and the separation of oil or other toxic pollutants from water [ 2 , 3 , 4 , 5 ].…”

Section: Introductionmentioning

confidence: 99%

Application of Chitosan/Alginate Nanocomposite Incorporated with Phycosynthesized Iron Nanoparticles for Efficient Remediation of Chromium

et al. 2021

View full text Add to dashboard Cite

Biopolymers and nanomaterials are ideal candidates for environmental remediation and heavy metal removal. As hexavalent chromium (Cr6+) is a hazardous toxic pollutant of water, this study innovatively aimed to synthesize nanopolymer composites and load them with phycosynthesized Fe nanoparticles for the full Cr6+ removal from aqueous solutions. The extraction of chitosan (Cht) from prawn shells and alginate (Alg) from brown seaweed (Sargassum linifolium) was achieved with standard characteristics. The tow biopolymers were combined and cross-linked (via microemulsion protocol) to generate nanoparticles from their composites (Cht/Alg NPs), which had a mean diameter of 311.2 nm and were negatively charged (−23.2 mV). The phycosynthesis of iron nanoparticles (Fe-NPs) was additionally attained using S. linifolium extract (SE), and the Fe-NPs had semispherical shapes with a 21.4 nm mean diameter. The conjugation of Cht/Alg NPs with SE-phycosynthesized Fe-NPs resulted in homogenous distribution and stabilization of metal NPs within the polymer nanocomposites. Both nanocomposites exhibited high efficiency as adsorbents for Cr6+ at diverse conditions (e.g., pH, adsorbent dose, contact time and initial ion concentration) using batch adsorption evaluation; the most effectual conditions for adsorption were a pH value of 5.0, adsorbent dose of 4 g/L, contact time of 210 min and initial Cr6+ concentration of 75 ppm. These factors could result in full removal of Cr6+ from batch experiments. The composited nanopolymers (Cht/Alg NPs) incorporated with SE-phycosynthesized Fe-NPs are strongly recommended for complete removal of Cr6+ from aqueous environments.

show abstract

“…The industrial activities in the last decades drastically increased the amount and versatility of contaminant pollution in the aquatic environment leading to severe damage to the environment (Srivastava et al 2020;Zare et al 2018a).…”

Section: Water Treatmentmentioning

confidence: 99%

Functionalization of polymers and nanomaterials for water treatment, food packaging, textile and biomedical applications: a review

et al. 2020

Self Cite

View full text Add to dashboard Cite

The inert nature of most commercial polymers and nanomaterials results in limitations of applications in various industrial fields. This can be solved by surface modifications to improve physicochemical and biological properties, such as adhesion, printability, wetting and biocompatibility. Polymer functionalization allows to graft specific moieties and conjugate molecules that improve material performances. In the last decades, several approaches have been designed in the industry and academia to graft functional groups on surfaces. Here, we review surface decoration of polymers and nanomaterials, with focus on major industrial applications in the medical field, textile industry, water treatment and food packaging. We discuss the advantages and challenges of polymer functionalization. More knowledge is needed on the biology behind cell–polymer interactions, nanosafety and manufacturing at the industrial scale.

show abstract

Cytotoxic aquatic pollutants and their removal by nanocomposite-based sorbents

Cited by 69 publications

References 316 publications

Toxicity and remediation of pharmaceuticals and pesticides using metal oxides and carbon nanomaterials

Toxicity and remediation of pharmaceuticals and pesticides using metal oxides and carbon nanomaterials

Application of Chitosan/Alginate Nanocomposite Incorporated with Phycosynthesized Iron Nanoparticles for Efficient Remediation of Chromium

Functionalization of polymers and nanomaterials for water treatment, food packaging, textile and biomedical applications: a review

Contact Info

Product

Resources

About