Animal Care and Research

As the chart below shows, for most trace metal analyses, plastic is generally "cleaner" or less contaminated than glass or other materials. However, plastic does contain trace levels of certain metals.

Mouse embryonic fibroblasts (MEFs) play a vital role in stem cell research where they function as feeder cells to maintain mouse and human embryonic stem cells (ESC) or pluripotent stem cells (iPSC) in an undifferentiated state [1,2].