MyDx, Inc., formerly Brista Corp., is a science and technology company. The Company develops and commercializes technology and devices to measure chemicals of interest in solid, liquid or gas samples. The Company's MyDx product is a portable chemical sensor with a hand-held analyzer and associated mobile application. Its MyDx device includes MyDx Analyzer and MyDx App. Its MyDx device with interchangeable sensors allows users to test for pesticides in food, fruits, herbs, plants and vegetables; chemicals in water, and toxins in the air. Its MyDx device uses nanotechnology and measures chemicals. MyDx device has an interface designed to communicate through Bluetooth with associated mobile application, which is downloadable on IPhone operating system (iOS), Android or Windows smartphone. The Company's CannaDx Sensor measures the levels of chemicals with interest in Cannabis, including Cannabinoids and Terpenes and the Total Canna Profile (TCP) of the plant.