Acute toxic and cytogenetic effects of carbon nanotubes on aquatic organisms and bacteria

A. A. Gusev, I. A. Fedorova, A. G. Tkachev, A. Yu Godymchuk, D. V. Kuznetsov, I. A. Polyakova

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This paper summarizes a comprehensive study concerning the acute toxicity of a commercial carbon nanomaterial consisting mostly of carbon nanotubes to larvae of Chironomidae, crustaceans Ceriodaphnia affinis, algae Scenedesmus quadricauda, and bacteria Escherichia coli. It is shown that the nucleolar organizer region (NOR) index of polytene chromosomes in the salivary gland cells of midge larvae depends on the duration of concentration and exposure. This fact is indicative of the switching on of cell adaptation pathways in response to a xenobiotic stressor to restore cell homeostasis. The investigated nanomaterial is labeled as a Class III environmentally hazardous material (moderately hazardous). Safe concentrations of the carbon nanomaterial in aquatic media are less than 2 mg/L. It is concluded that larvae of Chironomidae are the most resistant to the material of all test species, whereas Scenedesmus quadricauda and Escherichia coli are the most sensitive.

Original languageEnglish
Pages (from-to)509-516
Number of pages8
JournalNanotechnologies in Russia
Volume7
Issue number9-10
DOIs
Publication statusPublished - Sep 2012

Fingerprint

Aquatic organisms
larvae
Carbon Nanotubes
Poisons
scenedesmus
organisms
Nanostructured materials
bacteria
Carbon nanotubes
Bacteria
carbon nanotubes
Escherichia
Escherichia coli
Carbon
cells
hazardous materials
salivary glands
Hazardous Substances
homeostasis
Hazardous materials

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Materials Science(all)
  • Engineering(all)

Cite this

Acute toxic and cytogenetic effects of carbon nanotubes on aquatic organisms and bacteria. / Gusev, A. A.; Fedorova, I. A.; Tkachev, A. G.; Godymchuk, A. Yu; Kuznetsov, D. V.; Polyakova, I. A.

In: Nanotechnologies in Russia, Vol. 7, No. 9-10, 09.2012, p. 509-516.

Research output: Contribution to journalArticle

Gusev, A. A. ; Fedorova, I. A. ; Tkachev, A. G. ; Godymchuk, A. Yu ; Kuznetsov, D. V. ; Polyakova, I. A. / Acute toxic and cytogenetic effects of carbon nanotubes on aquatic organisms and bacteria. In: Nanotechnologies in Russia. 2012 ; Vol. 7, No. 9-10. pp. 509-516.
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