In fighting the COVID-19 pandemic, it's not just the vaccines that require complicated cold supply chains and refrigerated storage. Polymerase chain reaction (PCR) tests -- often considered the "gold ...

PCR is a technique used to amplify target DNA in a sample. It’s a well-known method that has undergone numerous modifications to enhance its capabilities. This year, it’s turning 40 years old. PCR has ...

Modern diagnostic methods allow growers to detect pathogens earlier and identify disease pressure with far greater precision than traditional testing methods.

[Figure 4] The actual process of blood direct PCR and an example of when they are detected and visually confirmed. (IMAGE) National Research Council of Science & Technology Caption The advantage is ...