Abstract: Bio-adhesive compositions that include an extra-cellular matrix protein, bovine serum albumin conjugated with a fluorophore, and an aggregate are provided. The bio-adhesive composition may also include at least one component selected from the group consisting of collagen type IV, laminin, and chitosan. Also provided are methods of making the present compositions, that include taking a desired amount of extracellular matrix gel to liquid form of extracellular matrix; adding a desired amount of bovine serum albumin conjugated with a fluorophore; adding a desired amount of aggregate; and mixing. Further provided are methods for attaching cells to an apparatus using the present bio-adhesive compositions, and methods of attaching the present bio-adhesive compositions to an apparatus. Also provided are kits that include the present composition, components thereof or apparatuses, having the present composition attached thereto.