Introduction

The use of plastic bags is a convenient and hygienic way to collect waste. Plastic bags are very lightweight, and are especially suitable for wet rubbish like food waste. The waste bags containing food waste and other spoilable materials are a suitable place for growth of bacteria which can cause contamination. The antibacterial nanoparticles prevent the growth of microorganisms which lead to contamination. The antibacterial nanoparticles prevent growth of microorganisms which give birth to spoilage and contamination. Zinc oxide nanoparticles show a strong antibacterial activity against the pathogenic bacteria such as E. coli and S. aureus. Addition of these kinds of nanoparticles to the waste bags can create antibacterial properties in them.

Introduction

A detergent is a surfactant or a mixture of surfactants with cleaning properties in dilute solutions. Detergents are commonly available as powders or concentrated solutions. An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable). Emulsions are part of a more general class of two-phase systems of matter called colloids. Nanoemulsions are emulsions in which the droplet sizes are less than 100 nm. A typical nanoemulsion contains oil, water and an emulsifier. Since microemulsions are thermodynamically stable systems in equilibrium, they are sensitive to changes in temperature and composition. Therefore, nanoemulsions are attractive for aforementioned applications because they are relatively the least sensitive to physical and chemical changes and they can be kinetically stable over long time scales. This product is an alcohol free nanoemulsion that is used as a detergent for cleaning and polishing a variety of surfaces. The products made by this company are as follows:

• Antibacterial cleaner spray for tablet and mobile
• Glass cleaner spray
• Multifunctional cleaner solution

Introduction

Filter plus is a masterpiece filter using sophisticated technology containing silver nanoparticles for significant reduction of harmful substances in shisha smoke and bacteria transferred from the shisha hose. Disposable oral hookah filters cause a remarkable decrease in harmful hookah smokes.

This filter with its Nanoparticles can absorb and separate particles existing in hookah smoke. So far, more than 4,000 chemicals have been found in tobacco that contains compounds such as nicotine, free radicals, harmful gases, volatile organic compounds, aldehydes, aromatics, etc. Most of these compounds cause problems such as cancer and vascular heart disease.

Introduction

Silver nanoparticles have been used as colloidal silver for more than 100 years. Historically, colloidal silver containing silver with different concentrations and particle sizes has been widely used to treat wounds and infections. Penetration of silver into the bacteria cells induces a high degree of structural and morphological changes which lead to the death of that cell. Silver nanoparticles can prevent the growth or adhesion of bacteria onto the surface. This can be especially useful in the operation room, where all surfaces in contact with the patient’s body should be sterilized. In addition, silver nanoparticles can be incorporated into a variety of surfaces, such as metal, plastic, and glass. This product has been introduced into the market with two different concentrations:

• Disinfectant containing 100 ppm silver nanoparticles
• Disinfectant containing 2000 ppm silver nanoparticles