Abstract: There is provided a fibrous mat comprising a plurality of electrospun fibers, wherein each of the electrospun fibers comprising a shell and a core comprising a water-soluble polymer and a plurality of cells, e.g., dormant cells or active cells. Further provided are methods of activating the dormant cells and method of use thereof, such as for supplementing a skin of the subject with a cosmeceutical ingredient.
Abstract: Provided are methods of petroleum sequestration, which use electrospun microtubes capable of sequestering the petroleum from the water, and method of depleting and optionally degrading petroleum from water using floating devices which comprise the electrospun microtube attached to a floating carrier.