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Carey, of the National University of Kaohsiung in Taiwan in the Republic of China, defined a totally new way to identify bacteria compared to an earlier edition of such a check created at Illinois. Related StoriesNew medical chemistry analyzer launched by EKF at Medica 2015Amputation is not wound healingGenetic carrier screening: an interview with Don Hardison, CEO of Good Start Genetics The new device consists of a plastic bottle, small enough to fit in the palm of a tactile hand, filled with nutrient option for bacterias to grow. Mounted on the inside is a chemical substance sensing array , an ‘artificial nose,’ with 36 pigment dots. The dots transformation color in response to signature odor chemicals released by bacteria.Palpitations range between what feels like a skip, flip or bump in the heart’s rhythm to a sustained, racing heartbeat. The July issue of Mayo Clinic Health Letter provides an overview of heart palpitations, including when emergency treatment is needed, what diagnostic tests are common and used triggers. Most often, heart palpitations are harmless, however, not always. Palpitations can be a indication of an underlying significant problem such as heart disease, an overactive thyroid gland or anemia. Rarely, tumors can produce certain hormones that can cause heart palpitations.