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Title:Effects of polyethylene terephthalate (PET) microplastics and acid rain on physiology and growth of Lepidium sativum
Authors:ID Pignattelli, Sara (Author)
ID Broccoli, Andrea (Author)
ID Piccardo, Manuela (Author)
ID Terlizzi, Antonio (Author)
ID Renzi, Monia (Author)
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Language:English
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:This study evaluated the chronic toxicity (30 days) of different sizes of polyethylene terephthalate (PET) microplastics (60e3000 mm) provided alone or in combination with acid rain, on garden cress (Lepidium sativum). Both biometrical and physiological traits have been evaluated: i) percentage inhibition of seed germination, plant height, leaf number and fresh biomass production; ii) oxidative stress responses (hydrogen peroxide; ascorbic acid and glutathione production); iii) impairment in photosynthetic machinery in term of pigments production; iv) aminolevulinic acid and proline production. Results highlighted that different sizes of PET, alone or in combination with acid rain, are able to negatively affect both biometrical and physiological plant traits. In particular, the lower size of microplastics is able to negatively affect growth and development, as well as to trigger the oxidative burst. Regarding the pigments production, PET coupled with acid rain, induced a higher production of Chl-b, and an inhibition of aminolevulinic acid.
Keywords:polyethylene terephthalate, acid rain, lepidium sativum, oxidative burst, germinability, chlorophylls
Year of publishing:2021
Number of pages:str. 1-9
Numbering:vol. 282, 116997
PID:20.500.12556/RUNG-6428 New window
COBISS.SI-ID:58234371 New window
UDC:504
ISSN on article:0269-7491
DOI:10.1016/j.envpol.2021.116997 New window
NUK URN:URN:SI:UNG:REP:Y6GJBLPL
Publication date in RUNG:02.04.2021
Views:2167
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Record is a part of a journal

Title:Environmental pollution
Shortened title:Environ. pollut.
Publisher:Elsevier Applied Science Publishers
ISSN:0269-7491
COBISS.SI-ID:25405184 New window

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