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Biomonitoring zanieczyszczenia metalami przez mchy

Biomonitoring zanieczyszczenia metalami przez mchy

Hana Bouzahouane / Khaoula Menaiaia

85,47 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Ecología, la biosfera
ISBN:
9786208786588
85,47 €
IVA incluido
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Zanieczyszczenie powietrza spowodowane działalnością człowieka ma poważne konsekwencje dla ekosystemów i zdrowia ludzkiego. W rzeczywistości pierwiastki te, które nie ulegają biodegradacji w przyrodzie, są wysoce toksyczne dla środowiska i mogą być zaangażowane w wiele chorób Leucodon sciuroides L. gatunek pirofitu, który służy jako bio-wskaźnik dla regionu Souk Ahras, jest dobrze przystosowany do trudnych warunków środowiskowych i ma cechy akumulacji metali ciężkich. W tym kontekście oceniliśmy odpowiedź antyoksydacyjną L. sciuroides w odniesieniu do ekspozycji na metale ciężkie, traktując ją hydroponicznie 4000,2000,10 i 1 mg/ml oraz 400,200,20 i 2 mg/ml dwóch metali ciężkich: cynku i miedzi, przez 2,4,6 i 8 dni.Analiza statystyczna uzyskanych wyników wykazała znaczące różnice między próbkami poddanymi obróbce a próbkami kontrolnymi dla większości badanych parametrów, ze wzrostem zawartości pigmentów chlorofilowych (a, b, a + b), któremu towarzyszył wzrost zawartości białek ogółem i cukrów rozpuszczalnych, z obniżeniem zawartości proliny. Zmniejszenie poziomu GSH na początku leczenia, przy braku aktywności niezwykłych biomarkerów enzymatycznych (CAT i APX), co odzwierciedla wysoką tolerancję.

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