Cascade luminescence and antibacterial behavior of fluorapatite nanopowder co-doped with Pr3+, NO3− and CO32− ions

Milojkov, Dušan V.; Sokić, Miroslav; Živković-Radovanović, Vukosava; Manojlović, Vaso; Mutavdžić, Dragosav; Janjić, Goran V.; Radotić, Ksenija

doi:10.1007/s11082-022-04347-7

Cited by 1 publication

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“…Depending on the number of revolutions of the centrifuge, but also the diameter of the cuvette, nanoplastics can be classified by size. The use of a centrifugal field is such a powerful method that it is possible to separate plastic nanoparticles by other properties, such as, for example, density, optical properties, color, and others [24,25].…”

Section: Separation Of Nanoplastics From Aquatic Environmentmentioning

confidence: 99%

Nanoplastics in aquatic environments: Origin, separation and characterization: Review

Milojkov¹,

Mitrović²,

Smiljanić³

et al. 2023

Tehnika

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Scientists discovered plastic in the early 1900s, but didn't realize the detrimental effects its fragmentation could have on the environment 100 years later. In particular, nanoplastics (NPs) particles ranging in size from 1 to 100 nm can cause major problems in the living world due to their high specific surface area for the adsorption other polluting substances from water, and their further bioaccumulation through the food chain. There is no distinctive method to identify, characterize, and quantify nanoplastics in aquatic environments. Although many of the methods developed to study microplastics are not directly applicable to nanoplastics, conventional methods of characterizing nanoplastics are usually tedious because they study individual nanoparticles in isolation. Since nanoplastics resulting from the decomposition of microplastics have different properties than engineering plastic nanoparticles, new techniques need to be developed to help us better understand the seriousness of the nanoplastic problem. Nanoplastic can be isolated from the water environment by a combination of filters and ultracentrifugation. A recent publications states that combining microscopy and spectroscopy, supported by chemometric techniques, will alow a better understand he behavior of nanoplastic particles in the environment and organisms. High hopes are placed on microscopies combined with neural networks for the quantification and characterization of nanoplastics in complex systems. This article describes the degradation pathways of plastics and the formation of nanoplastics in aquatic environments, and possible methods for separation and characterization of nanoplastics in relation to recent publications.

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Section: Separation Of Nanoplastics From Aquatic Environmentmentioning

confidence: 99%