Polymerase chain reaction (PCR) is a revolutionary laboratory technique that enables the replication of a specific DNA sequence. Using PCR, millions of copies of a target DNA can be easily synthesized within a short period of time.
Researchers have developed a technique to ensure that DNA fingerprinting continues to be secure against malicious attacks or mistakes in the field.
With the number of COVID-19 cases reducing in the United States and elsewhere, public health officials are attempting to understand the proportion of people who have been infected by coronavirus.
Professor Ruiting Lan speaks to AZoLifeSciences about his research into tracking salmonella poisoning and outbreaks.