Conclusion: 4t1 cells can grow and form spheres in serum-free suspensionmedium containing growth factor, and they contain breast cancer stem-like cells, which can be enriched when cultured in SFM.
The soaked soil is in a state of fusion, as it were; all its molecules are in suspension in soft medium; it is not earth and it is not water.
土地浸湿以后象已溶解，它的所有分子都处于稀软的状态中，它已不是土地，但也不是水，有时还很深。
3
While stirring this concentrated suspension, a small aliquot is removed and transferred to the optical measurement cell containing the blank dispersing medium.