Nanotechnology Self-assembling sacs form instantly when two aqueous solutions, one containing small molecules (first drop) and another containing high molecular weight polymers (green drop), are brought together.
Imagine having one polymer and one small molecule that instantly assemble into a flexible but strong sac in which you can grow human stem cells, creating a sort of miniature laboratory. And that sac, if used for cell therapy, could cloak the stem cells from the human body's immune system and biodegrade upon arriving at its destination, releasing the stem cells to do their work.
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