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Human odour based technology that can identify the criminals

Very recently we discussed about breath odour relating the analysis of serious diseases such as diabetes or cancer by visualizing their dispersal. And now scientists are ahead forwarding to decode the chemistry of human odour to classify the smells which can help to detect and track out the criminals.

Since a long time the trained dogs used to track out the criminals by sniffing the odour of a particular person who related with the crime. The dog sniffs the odour of the human and helps a lot to find him out.

Every one has their respective signature body odour and finger prints and only from this basis it helps to identify particular person, of course in complicated cases DNA test will help them. Scientists are tracking down those odiferous arches, loops, and whorls in the 'human odourprint' for purposes ranging from disease diagnosis to crime prevention.

According to an article in the current issue of Chemical and Engineering News, ACS’ weekly newsmagazine, it’s a difficult task, noting that each person’s odourprint is a complex mixture impacted by multiple environmental factors, including diet and cosmetics.

The article describes progress in that direction, explaining that scientists already have identified odours in human breath and skin associated with diabetes, cancer, and other diseases.

Scientists are even trying to detect the ’smell of deception,’ or chemical changes that occur with heightened stress that may help screen and identify.

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