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Abstract medical background

Response to Negative Articles on Nanosilver Products

There have been many articles on nanosilver products praising the germ-killing properties of silver nanoparticles while casting doubts about the harmful effects they might have on the immune system and the environment.

As the Senior Scientific Advisor to Colloidal Science Laboratories (CSL), in our experience, there has been nothing but good results reported concerning effects on the immune system, and we have experimental proof that the nanoparticles do not remain “nano” in size once they contact any parts of the environment (earth, sand, water from various sources, sunlight).

The rapid growth rate greatly reduces the surface area of the particles and, consequently, greatly diminishes biological activity. Let us take these issues in order.

Nanosilver Products and The Beneficial Bacteria

First of all, examine the question of whether or not nanosilver harms the beneficial bacteria in the gastrointestinal tract.

The small intestine in a healthy individual is teaming with various strains of acidophilus which silver nanoparticles may potentially kill if it proceeded far enough through the GI tract. We believe that silver nanoparticles are absorbed in the first few feet of the small intestine and therefore should not progress far enough through the GI to cause any problems.

It may well be that, in a healthy person whose small intestine is fully colonized by various strains of acidophilus, there would be no noticeable adverse effect from the ingestion of normal doses of colloidal silver. Still, a person whose intestines are already compromised due to some other condition (yeast, diverticulitis, etc.) may find that they should take an acidophilus supplement.

Yeast is a natural occurrence in everyone’s intestinal tract. Yeast may constitute about 5-10% of the total flora in the intestinal tract in a healthy person. As long as the acidophilus is the predominant constituent in the small intestine, yeast cannot get out of control.

Nanosilver Products Experimental Investigation

Use of Antibiotics

However, when doctors prescribe one antibiotic after another, the antibiotics destroy all acidophilus colonies in the small intestine, and the yeast can then grow completely out of control very rapidly.

Through the yeast’s normal metabolic processes, it creates a pH that is much more alkaline than is conducive to the growth and proliferation of acidophilus, and the acidophilus cannot reestablish itself once the yeast has taken over. Thus, anything that has antibiotic properties taken over a long period could potentially compromise the colonies of acidophilus and allow the yeast to take over. Anything that reduces the amount of healthy flora in my intestinal tract will only help the yeast.

In practice, very few users have reported any problems in their GI tract due to using silver nanoparticles. Those that believe they have experienced a change in their GI tract have used an acidophilus supplement on an occasional basis and experienced no further difficulty. Silver nanoparticle does not accumulate in the body but is flushed out daily in normal bodily excretions.

Furthermore, regular users of silver nanoparticles have reported an improvement in health and apparent resistance to disease and infection overwhelmingly, with no adverse effects, indicating that their immune systems are improving and not being compromised at all. In vitro studies by EMSL Laboratories have confirmed the effectiveness of silver nanoparticles against virtually every kind of pathogen, and we have these data on record.

Silver Nanoparticles Impact on the Environment

The second question concerns the effect of silver nanoparticles on the environment. Anyone who has tried to make nanoparticles knows that nanoparticles do not remain “nanosize” for very long when they come in contact with normal environmental samples, such as soil and water. Still, they agglomerate to form much larger, much less biologically effective, silver particles that are non-toxic, non-ionic and have no history of being harmful to the environment or aquatic life.

Even the researchers who are questioning the harmfulness agree that the larger particles are harmless silver metal. For example, in my paper, Nanoparticles – No Threat to the Environment, it was shown that an 80% reduction in surface area, and therefore a high reduction in biological activity, could take place in just minutes. Furthermore, the zeta potential was in the wrong region to support colloidal stability.

These facts were submitted as a paper to “Environmental Science and Technology.” This journal, which is already publishing counter opinions, dismissed the paper in record time without contacting any of the referees whose names were suggested for the paper. This journal is not interested in getting at the truth but supporting the positions of big Pharma. Their financial interests are in jeopardy because of the growing trend toward natural cures, such as colloidal silver.

Nanosilver Products Laboratory Investigation

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