Russian Journal of Biological Physics and Chemisrty Russian Journal of Biological Physics and Chemisrty АКТУАЛЬНЫЕ ВОПРОСЫ БИОЛОГИЧЕСКОЙ ФИЗИКИ И ХИМИИ 2499-9962 54621 ЭКОЛОГИЧЕСКАЯ БИОФИЗИКА ECOLOGICAL BIOPHYSICS ЭКОЛОГИЧЕСКАЯ БИОФИЗИКА The effect of fullerene on the growth and development of aquatic organisms Влияние фуллерена на рост и развитие водных организмов Даллакян Г А Dallakyan G A honaris@bk.ru Московский государственный университет имени М.В. Ломоносова ru Lomonosov Moscow State University ru 25 03 2021 25 03 2021 6 1 175 178 20 03 2021 20 03 2021 https://rusjbpc.ru/en/nauka/article/54621/view

В начале наших исследований было выбрано водоросли Scenedesmus guadricauda являющимся тест-объекта фитопланктонных организмов в водной токсикологии. Исследовано воздействия водной дисперсии фуллерена С60 в концентрациях 1, 5 и 10 мг/л на численность клеток, эффективность фотосинтеза и долю живых клеток в накопительной культуре. Концентрация 10 мг/л фуллерена С60 в питательной среде стимулировала эффективность фотосинтеза до 25% по сравнению с контролем, при этом численность клеток водоросли увеличивалась на 27%. Стимулирующий эффект был менее выражен в концентрациях 1 и 5мг/л фуллерена. Вторым этапом наших исследований, было планктонные ракообразные ceriodaphnia dubia , обладающие высокой чувствительностью к загрязнению водной среды потенциально токсичными веществами различной химической природы. Воздействии исследованных концентраций фуллерена 0,1 и 1 мг/л на цериодафний показало увеличение размеров тела до 6% и плодовитости до 144% у особей опытных групп по сравнению с контрольной. При воздействии большей концентрации 1 мг/л эти отличия боле значимы. Таким образом в исследуемых организмах наблюдается стимуляция биологических показателей при добавлении в питательную среду фуллерена, при этом боле чувствительны ракообразные ceriodaphnia dubia.

At the beginning of our research, the algae Scenedesmus guadricauda was chosen as a test object for phytoplankton organisms in aquatic toxicology. The effect of an aqueous dispersion of fullerene C60 at concentrations of 1, 5, and 10 mg / l on the number of cells, the efficiency of photosynthesis and the proportion of living cells in the enrichment culture was studied. The concentration of 10 mg / l of fullerene C60 in the nutrient medium stimulated the efficiency of photosynthesis up to 25% in comparison with the control, while the number of algal cells increased by 27%. The stimulating effect was less pronounced at concentrations of 1 and 5 mg / l of fullerene. The second stage of our research was planktonic crustaceans ceriodaphnia dubia, which are highly sensitive to pollution of the aquatic environment with potentially toxic substances of various chemical nature. The effect of the investigated fullerene concentrations of 0.1 and 1 mg / l on ceriodaphnium showed an increase in body size up to 6% and fertility up to 144% in individuals of the experimental groups compared with the control. When exposed to a higher concentration of 1 mg / l, these differences are more significant. Thus, in the studied organisms, the stimulation of biological parameters is observed when fullerene is added to the nutrient medium, while the crustaceans ceriodaphnia dubia are more sensitive.

 фуллерен C60 стимуляция ракообразные водоросли фотосинтез численность fullerene C60 stimulation crustaceans algae photosynthesis abundance

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