NanoBloodTest.com An ultrasensitive DNA and protein detector, expected to be widely available later this year, could save lives by detecting genetic and infectious diseases early, before they turn deadly or spread. Its relatively low cost and simplicity will make diagnostic tests that today can be done only in specialized labs available at local hospitals. Furthermore, because it’s extremely sensitive, it could detect signs of disease invisible to current tools. Each year 100,000 patients complaining of heart attack-like symptoms are sent home without treatment because current methods cannot diagnose some heart attacks.