Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...
A new discovery has reshaped our understanding of PCR chip technology: water vapor, not air expansion, is the primary culprit behind bubble formation in polydimethylsiloxane (PDMS)-based chips. This ...
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