Effects of titanium dioxide nanoparticles derived from consumer products on the marine diatom thalassiosira pseudonana

Andrea Galletti, Seokju Seo, Sung Hee Joo, Chunming Su, Pat Blackwelder

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Increased manufacture of TiO2nanoproducts has caused concern about the potential toxicity of these products to the environment and in public health. Identification and confirmation of the presence of TiO2nanoparticles derived from consumer products as opposed to industrial TiO2NPs warrant examination in exploring the significance of their release and resultant impacts on the environment. To this end, we examined the significance of the release of these particles and their toxic effect on themarine diatom algae Thalassiosira pseudonana. Our results indicate that nano-TiO2sunscreen and toothpaste exhibit more toxicity in comparison to industrial TiO2 and inhibited the growth of the marine diatom T. pseudonana. This inhibition was proportional to the exposure time and concentrations of nano-TiO2. Our findings indicate a significant effect, and therefore, further research is warranted in evaluation and assessment of the toxicity of modified nano-TiO2 derived from consumer products and their physicochemical properties.

Original languageEnglish (US)
Pages (from-to)21113-21122
Number of pages10
JournalEnvironmental Science and Pollution Research
Volume23
Issue number20
DOIs
StatePublished - Oct 1 2016

Fingerprint

Diatoms
Consumer products
Nanoparticles
Titanium dioxide
Toxicity
Environment and Public Health
diatom
toxicity
Toothpastes
Poisons
Public health
physicochemical property
Algae
public health
Growth
alga
Research
titanium dioxide
consumer product
effect

Keywords

  • Algae
  • Commercial TiO
  • Exposure
  • Marine environments
  • Nanoproducts
  • Toxicity

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Effects of titanium dioxide nanoparticles derived from consumer products on the marine diatom thalassiosira pseudonana. / Galletti, Andrea; Seo, Seokju; Joo, Sung Hee; Su, Chunming; Blackwelder, Pat.

In: Environmental Science and Pollution Research, Vol. 23, No. 20, 01.10.2016, p. 21113-21122.

Research output: Contribution to journalArticle

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