Researchers led by an Indian-origin scientist are developing an affordable electronic nose that can be used in breath analysis for a wide range of health diagnosis. While devices that can conduct breath analysis exist these are bulky and too costly for commercial use. 'Smell is one of the senses of humans and animals and there have been many efforts to build an electronic nose' said Dr Navneet Sharma lead author who recently defended his doctoral thesis at the University of Texas at Dallas.'We have demonstrated that you can build an affordable electronic nose that can sense many different kinds of