- For the rapid detection of pathogens, a device named “bug sniffer” has been developed by the researchers at the Agharkar Research Institute (ARI), Pune. Bug Sniffer is a sensitive and low-cost sensor which has been developed with the purpose of rapid detection of pathogens. The newly developed portable device has the capability to detect as low as ten bacterial cells from a sample size of one milliliter in time duration of just 30 minutes.