反蛋白石是一种有着微管道结构的薄片，它表面张力系数不同的液体非常的敏感。
The inverse opal is a chip with micro-channels sensitive to liquids of specific surface tensions.
加州大学欧文分校(uci)的研究人员用人类胚胎干细胞培育了图中所示的视网膜祖细胞，后者将进一步分化为具有三维结构的组织薄片。
UCI researchers used human embryonic stem cells to create these retinal progenitor cells, which later developed into a three-dimensional tissue sheet. (Credit: Photo by UCI).
少数薄片呈现新鲜的球粒结构。
应用推荐