Antimicrobial Copper Alloy Surfaces |
Copper Alloys for Human Infectious Disease Control Several bacteria, known to be human pathogens, die within hours when placed on copper alloy surfaces. In contrast, these same organisms can live for days on stainless steel surfaces. Organisms tested include E. coli O157:H7, Listeria monocytogenes, and Methicillin-Resistant Staphylococcus aureus (MRSA). The study results suggest the selection of copper alloys for surfaces exposed to human touch or food contact. Using copper alloys in this manner can materially assist in reducing the transmission of potentially infectious organisms. This peer reviewed article was originally presented at The Materials Science and Technology Conference, Copper for the 21st Century Symposium, September 2005.
Copper Alloys May Be Allies in Fight Against Germs Today, the antimicrobial uses of copper have been expanded to include fungicides, pesticides, antifouling paints, antimicrobial medicines, oral hygiene products, hygienic medical devices, antiseptics and a host of other useful applications. This article is intended to bring you up-to-date on the most recent laboratory findings confirming the efficacy of copper's intrinsic ability to inactivate deadly pathogens.
Effects of Copper Alloy Surfaces on the Viability of Bacterium, E. coli O157:H7 This deadly strain of E. coli has been associated with several large-scale food recalls by processors in the USA. The bacterium was found to be nonviable in a few hours when placed on copper surfaces, but it survived for many days on stainless steel. FOR MORE INFORMATION ABOUT COPPER AND HUMAN HEALTH
WEARING MAGNETS
The principle of the bipolar magnetic effect, on the other hand, involves a completely different theory based on the Hall Effect. Upon exposure to a magnetic field, charged particles moving within a wire are deflected from a straight path down the wire depending on the orientation of the field vector. In humans, blood is thought to be an electrical conductor. Flow of electrolytes forms a current throughout the body within the bloodstream. When these ions pass under a magnet, separation occurs based on charge: positive ions move towards the negative (north) pole while negative ions move towards the positive pole. Ions thus deflected encounter and push against the vessel wall, creating some amount of vessel expansion. Vasodilatation results in increased delivery of oxygen and nutrients to the damaged cells, as well as enhanced removal of metabolic byproducts and toxins. Reports indicate that static bipolar magnets help blood vessels expand through this natural effect on charged particles in the blood. Small vessels are reportedly widened as the ions crisscross back and forth between north and south poles of the magnet. Small "eddy currents" also occur in the bloodstream due to the ion separation. These currents, similar to those found in a river, widen the vessel diameter just as eddy currents in a river push the banks outward. Additionally, histamine and prostaglandins, compounds believed to stimulate the pain-spasm cycle, may be removed from the area by this increased blood flow, thereby interrupting the pain cycle
LEARN MORE ABOUT MAGNETIC BENEFITS.
LEARN MORE ABOUT MAGNETIC BENEFITS.
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