Kim Anderson from Oregon State University and colleagues said that people breathe, touch and ingest a mix of many substances at low levels every day and figuring out if natural and synthetic compounds can lead to disease is difficult.
Thousands of these compounds are in common consumer products and industrial processes, but not all of them have been tested for toxicity, researchers said.
Currently, people monitor exposure with heavy backpack samplers, questionnaires or with stationary devices, which all have disadvantages. Anderson's team looked for a better way to more accurately assess an individual person's exposure to possible toxins.
After volunteers wore (modified) cleaned wristbands for various periods of time, the scientists could measure what the silicone had absorbed: 49 different substances, including polycyclic aromatic hydrocarbons (PAHs), some of which have been linked to cancer, plus compounds from pesticides and consumer products.
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"We can screen for over 1,000 chemicals that may accumulate in the wristbands," said Anderson.
"Currently, PAHs, pesticides, flame retardants, PCBs, industrial chemicals and consumer and pharmaceutical products have been quantified in wristbands," Anderson said.
They concluded that the bands could be a valuable tool for finally determining individual exposures and what compounds are safe and which ones come with risk.