Doctors use chemotherapy to try to shrink them, but because the pancreatic tumor doesn't have that many blood vessels, the drugs don't often reach the tumor in the desired concentration. (inc.com)
The «spider» makes the future happen inside the mesocosms: Seawater saturated with carbon dioxide is pumped through the spiny, one and a half metres wide instrument's 80 thin plastic tubes into the mesocosms until they reach the desired concentration. (oceanacidification.de)
Media was aspirated and replaced with media containing the desired concentration of drug. (wjon.org)