4.7 Review

Surface Coating-Modulated Phytotoxic Responses of Silver Nanoparticles in Plants and Freshwater Green Algae

Journal

NANOMATERIALS
Volume 12, Issue 1, Pages -

Publisher

MDPI
DOI: 10.3390/nano12010024

Keywords

silver nanoparticles; plants; green algae; growth; photosynthesis; oxidative stress; gene expression; protein expression

Funding

  1. Croatian Science Foundation [IP-2014-09-6488, IP-2018-01-5351]
  2. European Union [312483-ESTEEM2]

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This review provides an overview of the effects different stabilizing coatings have on the growth, physiology, and gene and protein expression of aquatic and terrestrial plants and freshwater algae in relation to AgNP-induced phytotoxicity.
Silver nanoparticles (AgNPs) have been implemented in a wide range of commercial products, resulting in their unregulated release into aquatic as well as terrestrial systems. This raises concerns over their impending environmental effects. Once released into the environment, they are prone to various transformation processes that modify their reactivity. In order to increase AgNP stability, different stabilizing coatings are applied during their synthesis. However, coating agents determine particle size and shape and influence their solubility, reactivity, and overall stability as well as their behavior and transformations in the biological medium. In this review, we attempt to give an overview on how the employment of different stabilizing coatings can modulate AgNP-induced phytotoxicity with respect to growth, physiology, and gene and protein expression in terrestrial and aquatic plants and freshwater algae.

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