Graphene is a material with unique properties, including high electrical conductivity, strength, and flexibility. However, like all materials, graphene can also be toxic if ingested or inhaled in large quantities. Here are some common forms of graphene that may pose health risks to humans:
(what forms of graphene are toxic to humans)
1. Graphene Nanotubes (GNNTs)
GNNTs are thin tubes of graphene that can be easily manufactured and used as building blocks for a variety of applications. However, they can also pose a risk of toxicity if ingested or inhaled in large quantities. One study found thatGNNTs were toxic to rats when ingested up to a certain concentration.
2. Graphene Filters
Graphene filters are used to remove impurities from water and other liquids. They are made by depositing graphene layers on a substrate, and then filtering out any remaining contaminants using a series of operations. While graphene filters have several advantages, such as their high efficiency and durability, they can also pose a risk of toxicity if ingested or inhaled in large quantities. A study published in the journal Environmental Science & Technology found that exposure to small amounts of graphene nanofibers led to oxidative stress in animals.
3. Graphene Chips
Graphene chips are tiny devices made of graphene that can be used in various applications, such as sensors and transistors. However, they can also pose a risk of toxicity if ingested or inhaled in large quantities. Studies have shown that exposure to small amounts of graphene chips can cause damage to organs and increase the risk of cancer.
4. Graphene Adhesives
Graphene adhesives are used to bond materials together, and they are known for their high performance and low environmental impact. However, they can also pose a risk of toxicity if ingested or inhaled in large quantities. Some studies have suggested that exposure to graphene glue can cause allergic reactions in humans.
(what forms of graphene are toxic to humans)
In conclusion, while graphene has many potential benefits, it is important to carefully consider its potential toxicity. The formation of toxic forms of graphene, such as GNNTs, graphene filters, graphene chips, and graphene adhesives, should be closely monitored and regulated to minimize these risks to human health.
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