...d gastric ulceration, give impetus to the H. pylori diagnostics market. Existing solutions are too costly, inconvenient and invasive; have a long analysis time or need technical expertise to analyse. Bedfont Scientific Ltd offers a portable H. pylori diagnostic device, HYscreen, which detects ammonia in exhaled air as a biomarker for H. pylori. It has a rapid diagnosis, higher accuracy, lower cost ...