Healthcare&WellnessNewsTechnologyWT | Member New Silicon-Based Lab-On-Chip Could Deliver Accurate Results Within Minutes By Cathy Russey - 7. December 2020 Image credit: Imperial College London PCR (polymerase chain reaction) is a molecular diagnostic testing technique and is a gold standard diagnostic test for a variety of infectious pathogens, including bacteria and viruses, such as SARS-CoV-2. […] To access this page, watch the live stream and videos on-demand, you must purchase the Free Subscription, Premium Subscription or Premium Subscription (6 months, special rate).