ÇİNKO OKSİT NANOPARTİKÜLÜNÜN (ZnO NP) Pistia stratiotes L. (SU MARULU) TARAFINDAN AKÜMÜLASYON YETENEĞİNİN BELİRLENMESİ VE NANOPARTIKÜLÜN TOKSİK ETKİSİNİN İNCELENMESİ

Yıl 2021, Cilt: 10 Sayı: 1, 27 - 37, 25.01.2021

Ramazan Bakar Zeliha Leblebici

https://doi.org/10.18036/estubtdc.668123

Cited By: 1

Öz

Bu çalışmada, ZnO (Çinko oksit) nanopartiküllerince (NP) kirletilmiş ortamları temizleyebilmesi için Pistia stratiotes L. bitkisinin akümülasyon yeteneğinden yararlanılmıştır. Farklı ZnO NP (70nm) (1-5-10-20-100-250-500mgl-1) konsantrasyonlarında, bitkinin büyüme oranı (RGR), klorofil a, klorofil b, toplam karotenoid miktarı ve bitkide akümüle edilen Zn miktarı ICP-MS cihazı kullanılarak tespit edilmiştir.

ZnO NP’nin bitki büyüme oranı üzerine etkisi 20 mg L-1’lik konsantrasyondan sonra negatif yönde gözlenmiştir. Artan ZnO NP konsantrasyonlarına bağlı olarak fotosentetik pigment miktarları, kontrol grubuna göre değişik oranlarda azalma göstermiştir. Farklı konsantrasyon değerlerine bağlı olarak akümülasyon miktarlarınin birbirinden farklılık gösterdiği, en yüksek Zn akümülasyonu ise 500 mg L-1’lük konsantrasyonda 7494,99 μg g-1 olarak tespit edilmiştir. Elde ettiğimiz sonuçlar nanopartiküllerin bitkilerce akümüle edilmesi konusuna ışık tutacak nitelikte olup, çalışma nanopartiküllerin toksisitesi konusunda yapılacak çalışmalara da örnek teşkil etmektedir.

Anahtar Kelimeler

Nanopartikül, Akümülasyon, ICP-MS

Destekleyen Kurum

TUBİTAK (2209-A/2019)

Proje Numarası

2209-A/2019

Teşekkür

Bu çalışma TUBİTAK (2209-A/2019)tarafından desteklenmiştir. Desteklerinden dolayı TUBİTAK’a teşekkür ederiz.

DETERMINATION OF ACCUMULATION ABILITY OF ZINC OXIDE NANOPARTICLE (ZnO NP) by Pistia stratiotes L. (WATER LETTUCE) AND INVESTIGATION OF TOXIC EFFECT OF NANOPARTICLE

Öz

In this study, accumulation ability of Pistia stratiotes L. was used to clean the contaminated environments by ZnO (Zinc oxide) nanoparticles (NP). At different concentrations of ZnO NP (70nm) (1-5-10-20-100-250-500 mgl-1), plant growth rate (RGR), chlorophyll a, chlorophyll b, total carotenoid amount were measured and the amount of Zn accumulated in the plant determined using ICP-MS device.

The effect of ZnO NP on plant growth rate was observed negatively after a concentration of 20 mg L-1. Due to the increasing concentrations of ZnO NP, the amount of photosynthetic pigment decreased at different rates compared to the control group. Depending on the different concentration values, the amount of accumulation varies from each other, the highest Zn accumulation at a concentration of 500 mg L-1 was found to be 7494,99 μg g-1. Our results; nanoparticles to shed light on the issue of accumulation by plants, the study is also an example of studies on the toxicity of nanoparticles.

Anahtar Kelimeler

Nanoparticle,, Accumulation,, ICP-MS,

Proje Numarası

2209-A/2019

Kaynakça

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