| abstract |
A carrier for growing adherent cells is provided, wherein the carrier comprises one or more outer surfaces; and one or more structured indentations on one or more of the outer surfaces, wherein the carrier has a length at least about 0.2 mm, a width at least about 0.2 mm, and a height in a range from about 0.05 mm to 1.2 mm and each of the structured indentations has a major axis in a range from about 0.1 mm to 0.5 mm, a minor axis in a range from about 0.1 mm to 0.5 mm and a depth in a range from about 0.025 mm to about 0.5 mm. The carrier may comprise a single indentation or ‘cup’ like structure, or may comprise a plurality of indentations. A method of making the carrier, and culturing stromal cells using the same carrier are also provided. |