Pool the emulsified PCR reactions in a 1.7-ml microcentrifuge tube and centrifuge at 13,000g for 5 min at 25 °C. Dispose of the upper (oil) phase. Several extractions with an organic solvent will ...

The Dead Space remake changes some gameplay, but often keeps things familiar, like the Centrifuge puzzle in Chapter 3. If you've never attempted it, or can't remember the puzzle solution ...

Within hours of Iran proudly announcing the launch of its latest centrifuges, a power blackout damaged some of the precious machines at its site in Natanz. Iran has described this as an act of ...

Iran says it will replace the affected centrifuges - machines used to refine, or enrich, the chemical element uranium for use in nuclear energy or potentially nuclear bombs - with more advanced ones.