Nanoparticles by emitting EM radiation pose a health risk

Experiments showing DNA damage and increased cancer risk are supported by theoretical arguments that fine nanoparticles emit UV radiation and should be banned from commercial products.
 
 
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April 18, 2009 - PRLog -- Background Nanoparticles (NPs) are currently used in electronics, cosmetics, chemical manufacturing, among other industries. NPs are now being used as an antibacterial agent in food processing. Medicinally, NPs are used to reduce infections in burn treatment, sunscreen lotions, and treating cancer tumors. However, there is a downside. Over the past decade, experiments have unequivocally shown NPs be a health risk. NPs induce DNA damage in mammalian cells, reduce mitochondrial function, produce reactive oxygen species (ROS) in the form of hydroxyl radicals and hydrogen peroxide that induce apoptosis/cell death.

Oxidative Stress Paradigm In 2003, the oxidative stress paradigm formulated as the measure of ROS was the area of fine (< 100 nm) NPs, but has and continues to be questioned because experimental data for coarse (300-1500 mm) NPs shows higher hydroxyl radical concentration than for fine NPs. Surface activity of the NPs is currently thought to be NP damage mechanism, but lacks the EM energy necessary to form the hydroxyl radical at about 5.2 eV. Instead, QED induced EM radiation is the likely NP mechanism that produces EM radiation beyond the UV from fine NPs. In photodynamic therapy (PDT), QED induced UV radiation from NPs that attach to cancer cells was shown to induce necrosis – not high temperatures or the oxygen singlet state. See www.nanoqed.org at link “2007” and “Cancer Therapy”.

QED induced UV radiation and DNA damage QED induces fineNPs to emit continuous EM radiation beyond the UV from the kT energy absorbed upon collisions of solution molecules. The NPs need not enter the biological cell because the UV emissions from NPs near a biological cell easily penetrate the membrane wall. Regardless, the UV radiation forms the hydroxyl radical that causes DNA damage. See www.nanoqed.org at link “2009” and “NP induced DNA damage.”

Modified Oxidative Stress Paradigm QED induced EM radiation requires fine NPs to emit higher frequency EM radiation than coarse NPs consistent with the oxidative stress paradigm. But particulate matter is a mix of both fine and coarse NPs. Observations showing coarse NPs produce more DNA damage than fine NPs do not consider the interaction in the mix of NPs. The coarse NPs produce VIS and NIR, but not UV. The increased DNA damage is caused by fine NPs that absorb the VIS/NIR from coarse NPs, thereby enhancing their UV emission above that induced by collisions alone.

Conclusions Sunscreens should use coarse NPs  that would absorb UV radiation that then is frequency down-converted or redshift to DNA non-damaging VIS and NIR radiation. Similarly, the widespread use of fine silver NPs in limiting bacteria in food processing and anti-microbial action should cease immediately for risk of developing cancers. Indeed, QED induced EM radiation allows the conjecture to be made that natural and man-made NPs are the most likely cause of ALL cancers thereby urging the ban on the use of fine NPs  in commercial products.

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About QED induced Radiation: Classically, thermal EM radiation conserves heat by an increase in temperature. But at the nanoscale, temperature increases are forbidden by quantum mechanics. QED radiation explains how heat is conserved by the emission of nonthermal EM radiation.
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Source:Thomas Prevenslik
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Tags:Nanoparticles, Dna Damage, Cancer, Quantum Mechanics, Health
Industry:Technology, Health, Environment
Location:Youngwood - Pennsylvania - United States
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Page Updated Last on: Apr 21, 2009
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