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(A) Live-dead stain demonstrates that viable bovine NP cells adhered to and proliferated on the surface of the hydrogel after 14 days of in vitro culture. (B) 4′,6-Diamidino-2-phenylindole (DAPI) staining of hydrogel cross-section showing NP cell surface adherence but minimal infiltration. Scale bars=200 μm. Color images available online at www.liebertpub.com/tea
