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Assessment of impact of alpha-Fe2O3 and gamma-Fe2O3 nanoparticles on phytoplankton species Selenastrum capricornutum and Nannochloropsis oculata

Ates, Mehmet; Cimen, Isil C. C.; Unal, Ilkay; Kutlu, Banu; Tastan, Burcu Ertit; Danabas, Durali; Aksu, Onder; Arslan, Zikri


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<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>Ates, Mehmet</dc:creator>
  <dc:creator>Cimen, Isil C. C.</dc:creator>
  <dc:creator>Unal, Ilkay</dc:creator>
  <dc:creator>Kutlu, Banu</dc:creator>
  <dc:creator>Tastan, Burcu Ertit</dc:creator>
  <dc:creator>Danabas, Durali</dc:creator>
  <dc:creator>Aksu, Onder</dc:creator>
  <dc:creator>Arslan, Zikri</dc:creator>
  <dc:date>2020-01-01</dc:date>
  <dc:description>In this study, the impact of alpha-iron oxide (alpha-Fe2O3, 20-40 nm) and gamma iron oxide (gamma-Fe2O3, 20-40 nm) nanoparticles (NPs) on phytoplankton species Selenastrum capricornutum and Nannochloropsis oculata was investigated Characterizations of the NPs were systematically carried out by TEM, dynamic light scattering, zeta potential, X-ray diffraction, SEM, and Fourier transformation infrared spectroscopy. Acute toxicity was tested between 0.2 and 50 mg/L for each NP for a period of 72 hours exposure. gamma-Fe2O3 NP inhibited development of N oculata at the rate of 54% in 0.2 mg/L group with a high mortality rate of up to 82%. alpha-Fe2O3 NPs were less toxic that induced 97% mortality on N oculata at 10 mg/L suspensions. In contrast, alpha-Fe2O3 NP inhibited growth of S capricornutum strongly (73%) in 0.2 mg/L group. gamma-Fe2O3 NPs showed similar growth inhibition (72%) on S capricornutum in 10 mg/L suspensions. Despite the differential effects, the results indicated acute toxicity of alpha-Fe2O3 and gamma-Fe2O3 NPs on N oculata and S capricornutum.</dc:description>
  <dc:identifier>https://aperta.ulakbim.gov.trrecord/11069</dc:identifier>
  <dc:identifier>oai:zenodo.org:11069</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>http://www.opendefinition.org/licenses/cc-by</dc:rights>
  <dc:source>ENVIRONMENTAL TOXICOLOGY 35(3) 385-394</dc:source>
  <dc:title>Assessment of impact of alpha-Fe2O3 and gamma-Fe2O3 nanoparticles on phytoplankton species Selenastrum capricornutum and Nannochloropsis oculata</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
</oai_dc:dc>
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