Development of a protozoan chemoattraction bioassay for evaluating toxicity of aquatic pollutants

1990 ◽  
Vol 5 (3) ◽  
pp. 279-292 ◽  
Author(s):  
Robert O. Roberts ◽  
Sharon G. Berk
Keyword(s):  
Aquatic Pollutants

scholarly journals Graphene-Based Materials Immobilized within Chitosan: Applications as Adsorbents for the Removal of Aquatic Pollutants

Materials ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3655
Author(s):  
Daniele C. da Silva Alves ◽  
Bronach Healy ◽  
Tian Yu ◽  
Carmel B. Breslin
Keyword(s):  
Mechanical Properties ◽  
Heavy Metal Ions ◽  
Chelating Agents ◽  
Organic Molecules ◽  
Adsorption Process ◽  
Chitosan Hydrogel ◽  
Polymeric Blends ◽  
Aquatic Pollutants ◽  
Immobilization Matrix ◽  
Adsorbent Materials

Graphene and its derivatives, especially graphene oxide (GO), are attracting considerable interest in the fabrication of new adsorbents that have the potential to remove various pollutants that have escaped into the aquatic environment. Herein, the development of GO/chitosan (GO/CS) composites as adsorbent materials is described and reviewed. This combination is interesting as the addition of graphene to chitosan enhances its mechanical properties, while the chitosan hydrogel serves as an immobilization matrix for graphene. Following a brief description of both graphene and chitosan as independent adsorbent materials, the emerging GO/CS composites are introduced. The additional materials that have been added to the GO/CS composites, including magnetic iron oxides, chelating agents, cyclodextrins, additional adsorbents and polymeric blends, are then described and discussed. The performance of these materials in the removal of heavy metal ions, dyes and other organic molecules are discussed followed by the introduction of strategies employed in the regeneration of the GO/CS adsorbents. It is clear that, while some challenges exist, including cost, regeneration and selectivity in the adsorption process, the GO/CS composites are emerging as promising adsorbent materials.

scholarly journals Suitability of cytotoxicity endpoints and test microalgal species to disclose the toxic effect of common aquatic pollutants

2015 ◽  
Vol 114 ◽  
pp. 117-125 ◽  
Author(s):  
Raquel Prado ◽  
Rosa García ◽  
Carmen Rioboo ◽  
Concepción Herrero ◽  
Ángeles Cid
Keyword(s):  
Toxic Effect ◽  
Aquatic Pollutants ◽  
Cytotoxicity Endpoints ◽  
Microalgal Species

Solid waste derived montmorillonite clay as efficient photocatalytic system for removal of aquatic pollutants

2021 ◽  
pp. 100630
Author(s):  
Manas Kumar Padhi ◽  
Dharitri Rath ◽  
Braja B Nanda ◽  
Prativa Kar ◽  
Binita Nanda
Keyword(s):  
Solid Waste ◽  
Montmorillonite Clay ◽  
Aquatic Pollutants ◽  
Photocatalytic System

Waste Moringa oleifera seed pods as green sorbent for efficient removal of toxic aquatic pollutants

2018 ◽  
Vol 227 ◽  
pp. 95-106 ◽  
Author(s):  
Zahra Shirani ◽  
Chella Santhosh ◽  
Jibran Iqbal ◽  
Amit Bhatnagar
Keyword(s):  
Moringa Oleifera ◽  
Efficient Removal ◽  
Aquatic Pollutants ◽  
Moringa Oleifera Seed
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