Multi-Walled Carbon Nanotubes Interact with Cultured Rice Cells: Evidence of a Self-Defense Response
Abstract:Multi-walled carbon nanotubes (MWCNTs) are widely used in nanotechnology despite concerns about possible toxic effects. To determine whether MWCNTs are toxic to rice, rice cells (Oryza sativa L.) were cultured with MWCNTs. Rice cells interacted with MWCNTs to form aggregates that were observed using light and scanning electron microscopy. Cell density decreased with increased MWCNT concentration, possibly indicating a self-defense response. Thus, MWCNTs interact directly with rice cells and may have a detrimental effect on rice growth. This effect, although, was stronger than that found for carbon blacks, the rice cells survived the MWCNTs through the self-defense response.
Document Type: Research Article
Publication date: September 1, 2007
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- Journal of Biomedical Nanotechnology (JBN) is a peer-reviewed multidisciplinary journal providing broad coverage in all research areas focused on the applications of nanotechnology in medicine, drug delivery systems, infectious disease, biomedical sciences, biotechnology, and all other related fields of life sciences.
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