Navigation Links
Carbon nanostructures -- elixir or poison?
Date:3/31/2010

ain buckyball.

The researchers found that cells exposed to the tris configuration underwent premature senescencewhat might be described as a state of suspended animation. In other words, the cells did not die as cells normally should, nor did they divide or grow. This arrest of the natural cellular life cycle after exposure to the tris-configured buckyballs may compromise normal organ development, leading to disease within a living organism. In short, the tris buckyballs were toxic to human skin cells.

Moreover, the cells exposed to the tris arrangement caused unique molecular level responses suggesting that tris-fullerenes may potentially interfere with normal immune responses induced by viruses. The team is now pursuing research to determine if cells exposed to this form of fullerenes may be more susceptible to viral infections.

Ironically, the discovery could also lead to a novel treatment strategy for combating several debilitating diseases. In diseases like Parkinson's or Alzheimer's, nerve cells die or degenerate to a nonfunctional state. A mechanism to induce senescence in specific nerve cells could delay or eliminate onset of the diseases. Similarly, a disease like cancer, which spreads and thrives through unregulated replication of cancer cells, might be fought through induced senescence. This strategy could stop the cells from dividing and provide doctors with more time to kill the abnormal cells.

Because of the minute size of nanomaterials, the primary hazard associated with them has been potential inhalationsimilar to the concern over asbestos exposure.

"Already, from a toxicological point of view, this research is useful because it shows that if you have the choice to use a tris- or a hexa-arrangement for an application involving buckyballs, the hexa-arrangement is probably the better choice," said Iyer. "These studies may provide guidance for new nanomaterial design and development."

These result
'/>"/>

Contact: James E. Rickman
jamesr@lanl.gov
505-665-9203
DOE/Los Alamos National Laboratory
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. New study warns limited carbon market puts 20 percent of tropical forest at risk
2. Mice use specialized neurons to detect carbon dioxide in the air
3. Researchers find new taste in fruit flies: carbonated water
4. Studying component parts of living cells with carbon nanotube cellular probes
5. New membrane strips carbon dioxide from natural gas faster and better
6. Green alga genome project catalogs carbon capture machinery
7. Hungry microbes share out the carbon in the roots of plants
8. Decline in uptake of carbon emissions confirmed
9. Study reveals that nitrogen fertilizers deplete soil organic carbon
10. US fires release large amounts of carbon dioxide
11. Wildfire drives carbon levels in northern forests
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:10/29/2014)... their food, but they also need protection from its harmful ... of molecules in plants that shields them from sun damage. ... American Chemical Society , one team reports on the mechanics ... and colleagues at Purdue University note that the harsh ultraviolet ... to plant DNA and, as a result, hinder plant growth. ...
(Date:10/29/2014)... their types and numbers of bugs and bacteria ... the difference between a closed case and an ... a more than $866,000 U.S. Department of Justice ... changing populations. The microbial communities may provide crucial ... race, socioeconomic relations and more, said Eric Benbow, ...
(Date:10/29/2014)... MA and Hebei, China — BGI Tech and Hebei ... of the Jujube genome. Jujube is the most economically ... genome is particularly difficult to sequence due the high ... the first time that a genome in the Rhamnaceae ... recently published in Nature Communications . ...
Breaking Biology News(10 mins):MSU partners with Detroit to investigate death scenes 2BGI Tech and Hebei Agricultural University complete the genome sequencing of the jujube tree 2
... OAK RIDGE, Tenn. -- A tree outside Oak ... the inspiration for a discovery that may ultimately lead ... and more. Just as a breeze causes leaves, ... at the molecular level perform hundreds of chemical processes ...
... -- The Techna Institute, an innovation hub poised to ... new healthcare technologies, launches today at University Health Network ... Dr. Christopher Paige, VP, Research at UHN ... research and development. Technological innovation holds the key to ...
... MEDFORD/SOMERVILLE, Mass. A new approach to studying ... assistant professor of biomedical engineering in Tufts University,s,School of ... March of Dimes Foundation. Kuo,s research could yield ... that occur in utero, such as clubfoot, which requires ...
Cached Biology News:ORNL fundamental discovery casts enzymes in new light 2UHN, University of Toronto launch Techna innovation hub to get health technologies to patients faster 2Tufts University researcher develops living tissue 2
(Date:10/27/2014)... 27, 2014 Pressure BioSciences, Inc. (OTCQB: ... in the development and sale of high pressure-based ... market, today announced that Professor Ruedi Aebersold ... highly reproducible, and robust method to allow – ... analysis on small needle biopsy samples by mass ...
(Date:10/27/2014)... 27, 2014 Investor-Edge has initiated ... NBIX ), Insmed Inc. (NASDAQ: ... ), Dyax Corporation (NASDAQ: DYAX ), and ... companies can be accessed at: http://investor-edge.com/register . ... ended at 4,483.72, up 0.69%, the Dow Jones Industrial ...
(Date:10/26/2014)... The report "Protective Coatings Market by ... Trends & Forecast to 2019", defines and segments the ... volume consumed and value generated. The protective coatings consumption ... to 6,701.3 KT by 2019, at a CAGR of ... data tables and 22 figures spread through 219 slides ...
(Date:10/25/2014)... (PRWEB) October 23, 2014 ... specialty pharmaceutical company devoted to bringing new products ... in 2015. , ViaDerma has developed an innovative, ... for rapid mass transfer of pharmaceutical active ingredients ... to provide immediate localized therapy. The transdermal delivery ...
Breaking Biology Technology:Breakthrough Method to Permit Quantification of Thousands of Proteins in Needle Biopsy Samples in 12 hours Presented at Major International Scientific Meeting; Method Enabled by Pressure BioSciences' PCT Sample Preparation Platform 2Breakthrough Method to Permit Quantification of Thousands of Proteins in Needle Biopsy Samples in 12 hours Presented at Major International Scientific Meeting; Method Enabled by Pressure BioSciences' PCT Sample Preparation Platform 3Breakthrough Method to Permit Quantification of Thousands of Proteins in Needle Biopsy Samples in 12 hours Presented at Major International Scientific Meeting; Method Enabled by Pressure BioSciences' PCT Sample Preparation Platform 4Breakthrough Method to Permit Quantification of Thousands of Proteins in Needle Biopsy Samples in 12 hours Presented at Major International Scientific Meeting; Method Enabled by Pressure BioSciences' PCT Sample Preparation Platform 5Pre-market Equity Watch on Biotech Industry - Neurocrine Biosciences, Insmed, BioCryst Pharma, Dyax, and Oncothyreon 2Pre-market Equity Watch on Biotech Industry - Neurocrine Biosciences, Insmed, BioCryst Pharma, Dyax, and Oncothyreon 3Pre-market Equity Watch on Biotech Industry - Neurocrine Biosciences, Insmed, BioCryst Pharma, Dyax, and Oncothyreon 4Pre-market Equity Watch on Biotech Industry - Neurocrine Biosciences, Insmed, BioCryst Pharma, Dyax, and Oncothyreon 5Protective Coatings Market Poised to Reach $18,431.8 Million by 2019 - Report by MarketsandMarkets 2Protective Coatings Market Poised to Reach $18,431.8 Million by 2019 - Report by MarketsandMarkets 3Protective Coatings Market Poised to Reach $18,431.8 Million by 2019 - Report by MarketsandMarkets 4ViaDerma, Inc. Announces Plans to Pursue Out-Licensing Partnerships in 2015 2ViaDerma, Inc. Announces Plans to Pursue Out-Licensing Partnerships in 2015 3
... Controls Inc., a maker of ... supplies, has bought Pro-Tel Inc. ... ,Pro-Tel is a contracting company ... has about 70 employees. Its ...
... Madison, Wis. Madison Gas & Electric has ... High-Tech Companies with expanded and updated listings covering ... its 18th year of publication, offers an overview of ... University of Wisconsin research programs in Dane County, as ...
... featured speaker at the Digital Healthcare Conference 2005 ... all of the new medical discoveries and treatments that ... enough information to give the best care? , ,Its ... vice president of information services at the University of ...
Cached Biology Technology:2005 Madison-area tech directory includes more companies, resources 22005 Madison-area tech directory includes more companies, resources 3Michael Rosencrance deals with medical overload through human-centric IT 2Michael Rosencrance deals with medical overload through human-centric IT 3
...
... Dyad instrument is the most advanced thermal ... world-class thermal performance, the Dyad also boasts ... as point-and-click navigation via touch pad or ... easily and economically expanded to a four-bay ...
...
Kit for testing the ability of a compound to simulate lipolysis in cultured human adipocytes. Kit contains controls, buffers and reagents for detecting glycerol and non-esterified free fatty acids. A...
Biology Products: