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The Silicon Review Asia

Researchers Develop a New Nanomaterial to Detect Fingertips Faster

Researchers Develop a New Nanomaterial to Detect Fingertips Faster

A team of researchers has developed a new technique to identify the fingerprints of a person even in unfavourable circumstances. The researchers created a new nanomaterial which promises to read latent fingerprints faster. The research work was carried out at Nanoscience Laboratory, National Institute of Technology (NIT) Durgapur.

To create the material, the scientists doped Manganese with Copper on a Zinc sulphide nanosystem. They replaced the Zinc atoms with Manganese and Copper in order to change the optical properties of the nanosystem. Once the researchers applied the material on fingertips, it showed that the fingerprints could be cracked down with the help of luminescence (a semi-conductor particle). 

During the experiments, the researchers found that the nanomaterial could recognize all the tiny patterns of a person’s fingerprints. To capture fingerprint images, the researchers used a Smartphone where they could snap a fingerprint on different surfaces such as paper, optical mouse, and smooth paper, plastic surface, transparent adhesive tape, etc.

According to the team, if anybody wants to identify fingerprints then they must sprinkle the nanomaterial on the surfaces where fingerprints are likely to be left behind. To capture the image, the person must use a UV lamp and to reconstruct it they need to process it. A Smartphone can be also used to capture the fingerprints and can be transmitted to a forensic lab from crime scenes.

The research team included members from both NIT and IIT and the results of the research have been published in the Nanoscience journal.


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