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In this study, pigmentation (Chlorophyll a, Chlorophyll b and carotenoid),  bioaccumulation, and oxidative stress response upon boron particles exposure  were investigated in Chodatodesmus mucronulatus, unicellular algae. The Effects  of acute exposure was measured by growing algae in BG-11 media supplemented  with varying concentrations of boron particles for 72 h. Nano boron has increased  chlorophyll content for 48 h. However, as exposure time was prolonged, nano  boron was toxic to the algae. Micro boron particles also indicated similar effects.  Nano boron increased chlorophyll b at 48 hours. On the other hand, levels of  chlorophyll b seem to decrease for the remaining part. Bioaccumulation of the  boron particles did not notably change upon varying particle concentration. Nano  boron particles toxicity is conclusively seen at 72 h of exposure. Additionally,  nano boron particles are concluded to be more toxic than micro boron to the  Chodatodesmus mucronulatus.

bor dergisi

Comparison of the Toxicity of Boron Nano and Microparticles based on the Pigmentation, Bioaccumulation, and Oxidative Stress of Chodatodesmus mucronulatus