Xfer Serum Free Review

"No," Elena said, not looking up from the eyepiece. "I did it myself."

Then, disaster.

With a 200-microliter pipette, she carefully, painfully slowly, removed the supernatant. She left a tiny film of liquid above the pellet—not enough to contain any serum, but enough to keep the cells from drying out. xfer serum free

"No," Elena said, her voice tight. "These are primary neuronal stem cells. If they're in serum-free media for more than four minutes without the exact growth factor cocktail, they start differentiating into astrocytes. The entire experiment—six months of work—turns into a plate of brain scar tissue." "No," Elena said, not looking up from the eyepiece

The error meant the robot's filter was clogged. No automation. Just her, a P1000 pipette, and the clock. " Elena said