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Open Access Article
1 - A Review On Biodegradable Mealworms Mechanism
SeyedAmirHossein Mousavi Aghabagher reza jahan mardiEvery year, an enormous amount of 2.5 million tons of plastic enter the oceans. On land, plastic also accumulates in landfills, beaches and other sensitive ecosystems around the world which has been a huge concern through the years. Recent research has been conducted to MoreEvery year, an enormous amount of 2.5 million tons of plastic enter the oceans. On land, plastic also accumulates in landfills, beaches and other sensitive ecosystems around the world which has been a huge concern through the years. Recent research has been conducted to show us that one type of worm may help us solve the huge problem of plastic waste. Scientists have discovered that the larvae of a type of worm, Mealworm called Tenebrio Molitor, can include styrofoam and other polystyrenes as well as polyethylene in their diet. Not only do worms go on a styrofoam diet, they say, but the microorganisms in their gut can break down plastics during their digestive process, turning it into carbon dioxide and eventually use it as the nutrients that their bodies need. Biodegradable materials disposed by worms also seem to be used as fertilizer to fertilize and impregnate agricultural soil. We are looking for solutions to implement this discovery in a way that eliminates plastic waste therefore can be a solution to clearer oceans, rivers and the entire environment from the inevitable consequences of plastic accumulation. In this review study, narrations from articles related to the biodegradation of polyethylene, polystyrene and polypropylene have been reviewed. Manuscript profile -
Open Access Article
2 - Investigating the properties and application of various types of adhesives used in the body
Hamidreza Haydari marziyeh hosseiniNowadays, in order to treat and repair bone fractures, metal screws and plates are used; But normally, this method will cause problems in surgeries and bone fractures, including skull and vertebral column fractures, which for example can include things such as long oper MoreNowadays, in order to treat and repair bone fractures, metal screws and plates are used; But normally, this method will cause problems in surgeries and bone fractures, including skull and vertebral column fractures, which for example can include things such as long operation time which increases the surgery time, the possibility of damage to the bone tissues around the fracture, difficulty and failure. He pointed out the plates. Therefore, researchers and orthopedic surgeons are looking for a suitable alternative to this method. The use of bone glues is one of the new technologies in this direction that has been proposed to solve such problems. These adhesives must have characteristics such as acceptable adhesion of proteins, tissues and bone, especially in the presence of fat around the bone and stability of adhesion in these environments, and over time, have high mechanical strength against tensile, shear and compressive stresses. Also, having characteristics such as non-toxicity, biocompatibility, appropriate biodegradability, quick and easy application, and good fracture stabilization are required for these adhesives. In this article, some of these bio-adhesives, how to prepare and use them are discussed. Nowadays, in order to treat and repair bone fractures, metal screws and plates are used; But normally, this method will cause problems in surgeries and bone fractures, including skull and vertebral column fractures, which for example can include things such as long operation time which increases the surgery time, the possibility of damage to the bone tissues around the fracture, difficulty and failure. Manuscript profile
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