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Researchers Invented Fluorescent Dye which Makes Tiny Ocean Pollutants Visible (Study)

November 27, 2017 By Jason Leathers Leave a Comment

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Plastic bag in the ocean waters

The dye lights up even the tiniest plastic pollutants

Our seas and oceans are full of plastic pollutants but, unfortunately, what we can see is only a small part of the harmful debris. Scientists assume that this visible waste represents only one percent of the entire mass of pollutants hiding in the waters. Since the other 99 percent remains hidden, it’s extremely difficult to remove it. However, a team of researchers discovered how to spot this lost plastic.

Microplastics are incredibly difficult to spot with the naked eye

Whenever environmentalists look at the plastic pollutants present in the ocean, they leave out a huge part of the waste. This consists of small portions which usually break from bigger pieces of plastic, and are also known as microplastics. They are smaller than 5 millimeters, meaning that, most of the time, researchers aren’t even aware of their presence.

However, a team of researchers from the University of Warwick found a solution to this environmental crisis. They created a special fluorescent dye which makes plastic material appear brighter. This way, they could spot even the tiniest pollutants, leading to a more accurate assessment of the waste present in oceans.

The fluorescent dye makes the tiny pollutants visible

This is a huge achievement, since it represents a huge progress from the previous method used to spot microplastics. Before coming up with the idea of using dye, environmentalists had to pick up each individual piece of tiny plastic, which was the most counterproductive method one could think of.

Now, once they add the dye, all the tiny pollutants get lit up. From then on, researchers can either spot them with the naked eye or, for the smallest pieces, detect them by using a microscope. This way, they could account for more harmful particles in the water than they could easily detect. The findings are important, since even the tiniest of pollutants could harm the environment.

The study was published in the journal Environmental Science & Technology.
Image Source: NOAA Photo Library

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Jason Leathers

Jason is a graduate of Biology and Chemistry, who wishes he had more time to spend travelling, immersing himself in new cultures and enjoying the outdoors. He is keen on digging for the latest news pertaining to pharmacology, medical stories and science related topics. From delving into these sources to creating compelling stories that are attractive for his readers, Jason enjoys every moment of it.

Filed Under: Tech & Science

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