Dry and wet ozonation of denim: Degradation products, reaction mechanism, toxicity and cytotoxicity assessment

Hamida, Sarra Ben; Iftekhar, Sidra; Ambat, Indu; Srivastava, Varsha; Sillanpää, Mika; Amri, Zahra; Ladhari, Nizar

doi:10.1016/j.chemosphere.2018.03.199

Cited by 13 publications

(4 citation statements)

References 16 publications

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“…Dyes are used in every aspect of rapid industrialization and daily life, however because of a shortage of organic dyes and improvements in dye industry technology, people are relying more and more on synthetic dyes. However, the difficulties caused by the subsequent environmental contamination are 36,37 (Hamida et al, 2018; Manzoor and Sharma, 2020) also getting worse.…”

Section: Dyesmentioning

confidence: 99%

Ecotoxicology of Nanocomposite Materials

Nachiyar C

et al. 2023

Biosci., Biotech. Res. Asia

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Nanocomposites are hetero materials made up of at least one nanoscale phase called a "nanofiller" that is spread in a second phase called a "matrix" to combine the unique features of its ingredients. Contemporary uses for nanocomposites are expanding constantly, and they are being used in many different industries. Nanocomposites are used in a variety of products, such as solid polymer electrolytes for batteries, impellers and blades, oxygen and gas barriers, food packaging, thin-film capacitors for computer chips, and fuel tanks and engine parts. As drug - delivery techniques, anti-corrosion shield coatings, UV protection gels, oils, scratch-free paint, new scrape resist materials, new fire-retardant materials, superior fibres and films, etc., they also find extensive application. Extensive use of these composites led to the discloses of these stuffs into the environment and properties of these materials are greatly influenced by the presence of pollution. The physico-chemical properties of these nanocomposites are very important for predicting their fortune and behavior in the environment and their toxicity to living organisms. Limited data on the ecotoxicity of these materials are available and even those are confined to a few organisms like bacteria, algae, invertebrates, fishes and mammals. Detailed studies on the adsorption, distribution, metabolism and excretion on higher organisms is the need of the hour. Presently the environmental risk assessment of nanomaterials is being performed using the existing methodologies and modification of the methodologies are required. This review summarizes the toxicity of nanocomposites and the current toxicological tests carried out.

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Section: Dyesmentioning

confidence: 99%

Ecotoxicology of Nanocomposite Materials

Nachiyar C

et al. 2023

Biosci., Biotech. Res. Asia

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“…Most of the contaminants adding up to wastewater are toxic and on the accumulation in living organisms possess a risk to them (Ambat et al 2020;Ben Hamida et al 2018;Bessaies et al 2020;Iftekhar et al 2020a, b;Wang et al 2019) For the depletion of these contaminants including heavy metal ions, dyes, organic contaminants, etc., a variety of methods have been employed along with various types of materials spanning from natural to synthetic, waste to hybrids and renewable to engineered (Hosseini et al 2019;Zare et al 2018b;Asif et al 2016;Gao et al 2017;Iftekhar et al 2017aIftekhar et al , 2018b. In recent decades, the paradigm has shifted toward the application of nanomaterials from bulk, causing the huge progressions of nanotechnology in creating novel nanomaterials for many industrial and environmental applications.…”

Section: Water Treatmentmentioning

confidence: 99%

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

et al. 2020

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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.

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“…Chemical treatment like chlorination is effective but it is associated with generation of disinfection by-products (DBPs) (Song et al, 2021). Another chemical treatment like ozonation is effective against numerous recalcitrant pollutants but this process is highly energy intensive (Ben Hamida et al, 2017;Ben Hamida et al, 2018). Low mineralization efficiency, selectivity towards pollutants and low solubility in water make this approach more expensive (Wang and Chen, 2020).…”

Section: Challenges In Chemical Treatment Of Hazardous Pollutantsmentioning

confidence: 99%