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Archive for the 'Nanotechnology' Category


25
Apr

New Report Calls Into Question the Use of Nanomaterials in Our Food Chain

(Beyond Pesticides, April 25, 2013) A new report by the Institute for Agriculture and Trade Policy (IATP) finds that nanomaterials added to soil via fertilizers and treated sewage waste used to fertilize fields could threaten soil health necessary to keep land productive. The report, Nanomaterials in Soil: Our Future Food Chain?, draws attention to the [...]

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28
Mar

Report Exposes the Flaws in EPA’s Pesticide Approval Process

(Beyond Pesticides, March 28, 2013) A scathing new report by the Natural Resources Defense Council (NRDC) sheds much needed light on the flaws in the Environmental Protection Agency’s (EPA) pesticide approval process, noting that in terms of the agency’s ability to offer transparency and rigorously test these inherently toxic chemicals, “the public’s trust is misplaced.” [...]

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05
Mar

Silver Nanoparticles in Sewage Sludge Found to Disrupt Ecosystems

(Beyond Pesticides, March 5, 2013) Low concentrations of silver nanoparticles can cause significant disruptions to natural ecosystems, find scientists at Duke University. This research, published in the journal PLOS ONE, provides a “real-world” look at the effects of this increasingly ubiquitous material in our environment. Although nanotechnology may have great potential to provide critical breakthroughs in [...]

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05
Feb

Nanoparticles Found To Be Toxic to Earthworms

(Beyond Pesticides, February 5, 2013) Although nanoparticles are increasingly added to a wide range of consumer products, very little is known about the potential risks these materials pose to the health of our environment. A study by the Dutch research institute Alterra looked at the effects of nanoparticles on earthworms, revealing the ability of nanomaterials [...]

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30
Jan

EU Report: Precautionary Approach Beneficial to Avoid Environmental Disasters

(Beyond Pesticides, January 30, 2013) A new report, “Late lessons from early warnings: science, precaution, innovation,” from the European Environment Agency (EEA) concludes that concerns raised by the scientific community on bee death, genetically engineered (GE) food, and nanotechnology support the need for a precautionary approach to public policy. Significantly, the report concludes that the [...]

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22
Jan

EPA Challenged Over Conditional Registration of Nanosilver Product

(Beyond Pesticides, January 22, 2013) The U.S. Environmental Protection Agency (EPA) recently faced tough questioning from the U.S. Court of Appeals for the Ninth Circuit over its decision to conditionally approve a pesticide product containing nanosilver as the active ingredient. The antimicrobial pesticide product, HeiQ AGS-20, contains microscopic particles of silver and has been applied [...]

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07
Dec

Nanotechnology Database Launched in Denmark

(Beyond Pesticides, December 7, 2012) The Danish Consumer Council and the Danish Ecological Council, in cooperation with the Technical University of Denmark, have launched the first ever nanotechnology database, with an inventory on 1,200 products that contain or are claimed to be a “nano” products. The database provides a description of each nanotechnology, rates the [...]

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23
Aug

Study Reveals Nanoparticles Jeopardize Food Quality and Soil Fertility

(Beyond Pesticides, August 23, 2012) Two commonly used nanoparticles have a significant impact on the growth and yield of food crops, according to a team of scientists led by University of California Santa Barbara’s Bren School of Environmental Science and Management. The study’s conclusions echo similar research findings that show human and environmental risks from [...]

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18
Jul

Researchers Settle NanoSilver Antimicrobial Mechanism; Low Dose May Enhance Bacteria Resistance

(Beyond Pesticides, July 18, 2012) Just as the U.S. Environmental Protection Agency (EPA) opened the federal docket for the registration review of nanosilver, Rice University researchers settled a long-standing controversy over the mechanism by which silver nanoparticles, the most widely used nanomaterial in the world, kill bacteria. The researchers found that the silver ions, rather [...]

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26
Jun

Research Urgently Needed to Evaluate Risks of Nano Technology

(Beyond Pesticides, June 26, 2012) A new analysis of the current state of nano pesticide-based technologies shows that human and environmental risks are not fully understood and calls on the use of precautionary principal, which suggests minimizing environmental release of nano-particles until their fate and toxicity is better understood. The study, Nano-pesticides: State of knowledge, [...]

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29
May

Environmental Groups Cite White House for Delay in Nanotechnology Regulations

(Beyond Pesticides, May 29, 2012) An industry newsletter has quoted representatives from two Washington, DC-based environmental organizations working on nanotechnology policy who blame the Obama Administration for impeding oversight of the largely unregulated technology. On May 23, Chemical Regulation Reporter quoted Richard Denison, PhD, a senior scientist with the Environmental Defense Fund, and Jaydee Hanson, [...]

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03
May

New Dental Fillings Utilize Controversial Nanotechnology to Kill Bacteria

(Beyond Pesticides, May 3, 2012) Scientists at the University of Maryland School of Dentistry have created the first cavity-filling composite using controversial nanotechnology that will both kill bacteria and regenerate tooth structure. The antibacterial component to the new fillings will be a base of quaternary ammonium and silver nanoparticles, along with a high pH. Researchers [...]

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27
Apr

FDA To Oversee Nanotechnology in Food and Cosmetics; New Study Cites Plant DNA Damage By Nanomaterials

(Beyond Pesticides, April 27, 2012) After years of no federal regulatory oversight, the U.S. Food and Drug Administration (FDA) last week issued two draft guidance documents that address the use of nanotechnology by the food and cosmetics industries. The documents “encourage” safety assessments for cosmetic products containing nanomaterials, including the need for modification or development [...]

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27
Jan

Report Calls for Greater Review of Nanomaterials While Suit Seeks to Block Nanosilver Approval

(Beyond Pesticides, January 27, 2012) The National Research Council (NRC) released a report on Wednesday, finding that, despite extensive investment in nanotechnology and increasing commercialization over the last decade, insufficient understanding remains about the environmental, health, and safety aspects of nanomaterials. Just one day later, a lawsuit was filed in court by the Natural Resources [...]

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03
Jan

Consumer Safety Groups Sue Food and Drug Administration Over Lax Nanotechnology Review

(Beyond Pesticides, January 3, 2012) A coalition of six consumer safety groups filed suit against the U.S. Food and Drug Administration (FDA) on December 21, 2011, citing the FDA’s chronic failure to regulate materials derived from nanotechnology (nanomaterials) used in sunscreens, cosmetics and drugs. The lawsuit demands that FDA respond to a May 2006 petition [...]

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14
Dec

EPA Grants Conditional Registration to Nanosilver Product Before Reviewing Pertinent Data

(Beyond Pesticides, December 14, 2011) The U.S. Environmental Protection Agency (EPA) is conditionally registering a pesticide product containing nanosilver as a new active ingredient. The antimicrobial pesticide product, HeiQ AGS-20, a silver-based product for use as a preservative for textiles to help control odors, is being granted registration despite a long list of outstanding studies [...]

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05
Oct

EPA Fines Logitech for Antibacterial Claims, Consumers Are Misled by Marketing of Products with Antimicrobials

(Beyond Pesticides, October 5, 2011) The U.S. Environmental Protection Agency (EPA) has ordered computer peripherals maker Logitech, Inc. to pay a fine of $261,000 for illegally advertising one of its keyboards as protecting users from bacteria and microbes. EPA found that the company made unsubstantiated public health claims about its keyboard, a violation of federal [...]

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28
Sep

Experts Warn of Nano Resistance, Call for Oversight

(Beyond Pesticides, September 28, 2011) Overuse of antibacterial agents contributes to promoting the development of more powerful bacteria that are resistant to treatment. This, according to a new report released by Friends of the Earth in which leading microbiologists warn that the rapid rise in household antibacterial products containing nanosilver could put public health at [...]

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12
Aug

New Research Aims To Identify Nanosilver’s Toxic Trigger

(Beyond Pesticides, August 12, 2011) Researchers have begun investigating silver nanoparticles, or nanosilver, in order to discover what exactly makes the particles toxic to the environment. Although scientists have long been concerned about the evidence of toxicity of nanosilver to both human health and the natural environment, research so far has been unclear on which [...]

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14
Jun

Feds To Gather Data on Nanomaterials

(Beyond Pesticides, June 14, 2011) The U.S. Environmental Protection Agency (EPA) announced plans to obtain information on nanoscale materials in pesticide products, while the Food and Drug Administration (FDA) released draft guidelines to industries about when the use of nanomaterials might trigger regulatory interest. These two actions announced last week will aim to clarify the [...]

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08
Jun

Large Knowledge Gap In Nanoagriculture

(Beyond Pesticides, June 8, 2011) In an article published by the American Chemical Society’s (ACS) Journal of Agricultural and Food Chemistry, scientists at the University of Texas, El Paso and a co-investigator for the NSF/EPA University of California Center for Environmental Implications of Nanotechnology warned that, as a new era of nanoagriculture is about to [...]

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26
Jan

California to Take a Hard Look at Nano-Substances

(Beyond Pesticides, January 26, 2011) California’s Department of Toxic Substances Control (DTSC) is asking in-state nanotechnology companies and researchers to share how they’re keeping tabs on several nano-sized metals, as evidence continues to emerge that these substances may have long-term implications for the environment. Nano-sized materials, now incorporated into many consumer products including paper wrapping, [...]

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29
Nov

International Coalition Calls for Smart Definition of Nanotechnology

(Beyond Pesticides, November 29, 2010) A coalition of over 40 environmental organizations from 22 different countries are calling on the European Commission to ensure nanomaterials are adequately defined and regulated in the EU by rapidly adopting a “cautious and broad” definition. The groups hope that by defining nanomaterials, long-awaited regulation can finally be put in [...]

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