Browsing by Author "Cesur, Sumeyye"

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    Bovine Serum Albumin (BSA)-Loaded Polyvinyl Alcohol (PVA) / Chitosan (CH) / Hydroxyapatite (HA) Electrospun Nanofibers for Bone Tissue Regeneration
    (Elsevier, 2025) Bozdag, Mehmet; Urek, Ferhat; Cesur, Sumeyye; Sahin, Ali; Gunduz, Oguzhan
    The natural bone structure consists of three different nanocomposite layers; a porous polymer ceramic part, a lamellar, and a fiber-matrix composition gives the bone its unique physical and biological properties. During bone tissue regeneration bioactivity, and osteoinductivity are especially important with other parameters such as porosity, degradation rate, and cell adhesion. In this study, hydroxyapatite (HA) and bovine serum albumin (BSA) protein-loaded, polyvinyl alcohol (PVA) and chitosan (CH) nanofibers were fabricated via the electrospinning method. The mean diameters of PVA/CH/HA/BSA-5, PVA/CH/HA/BSA-10, and PVA/CH/HA/BSA-15 nanofibers were measured as 325.39 +/- 77.512 nm, 332.45 +/- 82.251 nm, 447.03 +/- 101.382 nm respectively, required porosity and properties for bone tissue engineering were considered achieved. BSA release profiles of BSA-5, BSA-10, and BSA-15 nanofibers were similar in terms of burst release which continued until the 12th hour, 58 %, 78 %, and 73 % of the BSA were released, respectively. After 72 h 100 % of BSA were released from all nanofibers. Cell viability tests showed that PVA/CH/HA/BSA nanofibers exceeded the control group in terms of cell viability by 119.9 %. In future bone injury treatment, PVA/CH/HA/BSA nanofibers can assist the healing process of cracks and fractures, and decrease the recovery time of bone as an alternative bone healing nanofiber.