The key to an optimal PCR experiment is primer design. In general, primers should be between 18 and 24 nucleotides long and have a GC content between 40 and 60 percent. Ideally primers should contain ...

At this point in the pandemic, you or someone you know has probably received at least one COVID-19 test. But do you know which kind of test you got and the strengths and weaknesses of these different ...

The COVID-19 pandemic has seen the rise and fall of many variants, but nothing like BA.5. Previous subvariants of omicron have caused cascading surges as they outcompeted each other; now, BA. 5 is the ...

COVID-19 is commonly diagnosed by quantitative fluorescence real-time reverse transcriptase-polymerase chain reaction (qRT-PCR) (1, 2). The test is the sequential action of two enzymes–an ...

(WWLP) – As COVID cases are on the rise, you might be thinking about what type of test is best to get. Right now there’s the PCR tests and the rapid tests like the BinaxNOW, those are actually sold at ...