Once we hear the word colloidal silver , what immediately makes our minds is really a colloid or suspension of colloidal silver. Silver nanoparticles are colloidal particles of from significantly less than one micrometer to more than ten micrometers in diameter. While commonly referred to as' colloidal silver ', some are in reality made up of silver ion particles because of the high percentage of pure silver oxide content. Some colloidal silver solutions contain a little bit of other metallic compounds also; these compounds aid in the processing of colloidal silver itself by keeping it from staying with clots.

Colloidal silver nanoparticles release silver ions once they interact with an infectious object. Silver, along with other element particles, play a significant role in killing bacteria, viruses and fungi by neutralizing their enzymes. Colloidal silver has been successfully used being an antimicrobial for many years now and the antimicrobial property of colloidal silver remains not fully understood. It is thought that colloidal silver may behave as a fruitful natural and organic disinfectant by killing microorganisms. Silver kills microorganisms by producing free radicals that destroy the DNA of the microorganism, while causing no injury to the living cell.

A significant study conducted at the University of Wisconsin demonstrated a solid antibioactivity towards selected bacteria. The research was done on a selection of aerobic and anaerobic microorganisms, which are common in water, soil and drinking water. In order to gauge the antibioactivity of colloidal silver , optical and spectroscopy techniques were applied. The outcome revealed that the antibacterial particle retention was significantly lower in comparison to other non-organic materials which showed similar antibioactivity towards the tested microorganisms. The research also showed a significant upsurge in the antifungal activity of colloidal silver when the suspension was in the pure water phase.

A colloidal silver nanofluid, whilst the name suggests, contains silver nanoparticles of different shapes and sizes held together by an organic surface potential. The surface potential of the organic surface is measured utilizing the Beckley scale, which will be named after James H. Beckley who first used the scale to measure the surface potential of liquids and other substances. The size and model of colloidal silver nanofluid nanoparticles be determined by its surface potential.

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