2NANOTECHNOLOGYchronic effects are also to be considered for individuals coming in contact with the substance.Chronic or excessive exposure to silver through skin contact, inhalation or ingestion might leadto Argyrosis. Argyrosis refers to the generalized or local discolouration of the skin, mucousmembrane and skin. In these areas, blue or grey patches are formed due to pigmentation.However, the medical conditions are not aggravated by exposure. Though research is still notconcluding, there is evidence that argyria can be a contributing factor for the decrement in thefunctioning of the kidney. Moreover, individuals might suffer from night vision. The underlyingreason can be damage suffered to the rods in the eyes, due to exposure to silver particles in theocular region. One must be avoiding the release of the particle to the environment. It is advisablethat individuals wear protective gloves, face protection and eye protection for preventing seriousdamage to the eyes. If the particle enters eyes, one must be continuously rinsing with water for along time. In case contact lens is present they are to be removed. The physician is to be called forassistance. Any spillage occurring because of the chemical is to be collected adequately (smith-nephew.com, 2018). The silver particle might become airborne easily when the size and mass are small. Wheninhaled, the silver particles might go deeper into the lungs and reach the sensitive areas. In theseareas, there is an inflammation caused due to body’s reaction against the foreign particle.Further, the particles might enter the skin through broken areas and cuts or wounds as these giverise to direct absorption of nanoparticles into the blood stream. Ingestion can occur when there ishand to mouth transfer of the particles in individuals. When exposed to aquatic life, the effectsare toxic, and the fact that the effects are long lasting makes the situation worse. The exposure ofmarine animals to the silver particles has been noted to affect invertebrates, prokaryotes, andfishes.

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