Health
Researchers detect micro and nano plastics in human tissue for the first time
Key Point
- The world produces more than 380 million tons of plastic each year
- Accumulation of plastic objects and particles can have long-term ecological and ecotoxicological effects
- Researchers detect microplastics and nanoplastics in human organs and tissues
Plastic pollution, which is a global problem, can cause damage not only to the ocean but also to land and waterways. Since plastic is a very permanent material, all its ecological and ecotoxicological effects due to the accumulation of plastic objects and particles are long-term. Organisms can ingest small plastic particles that pollute the environment. Researchers are now reporting that microplastics and nanoplastics are detectable in human organs and tissues.
Arizona State University (ASU) experts have announced this the study At a meeting of the American Chemical Society on Monday. The 2020 Fall Virtual Meeting & Expo delivered over 6,000 presentations on a wide range of scientific topics.
“We find that plastic pollutes the environment almost everywhere on Earth. Over the decades, plastic has come to be seen as a great advantage and a threat. There is evidence that it has permeated, but few studies have been conducted there.”
“And at this point, I don’t know if this plastic is just annoying or harmful to human health,” Rolsky added.
Dr. Rolf Halden’s lab graduate students, Rorsky and Varunkerker, have collaborated with Diego Mastroeni to establish a large brain and body structure established to study neurodegenerative diseases such as Alzheimer’s disease. I got a sample from a large repository.
From human donations donated, researchers collected 47 samples from lungs, liver, spleen, and kidneys. These are the four organs most likely to be exposed, filtered, or collected by microplastics and nanoplastics.
Next, a procedure was developed to extract the plastic from these samples and analyze using μ-Raman spectroscopy. They also built a computer program that translates information about the number of plastic particles into units of mass and surface area.
Plastic pollution Combined with a previously developed mass spectrometry assay, it was detected in all samples. Despite health concerns, the researchers found bisphenol A (BPA) in all 47 human tissue samples used in many food containers.
To their knowledge, researchers say this is the first study to study the development of microplastics and nanoplastics in human organs.
“Tissue donors provided detailed information about their lifestyle, diet, and occupational exposure. Because these donors have such a clear history, our research is of potential It provides the first clue as to the sources and routes of exposure to micro and nano plastics,” Halden said.
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