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- W3150406994 endingPage "112069" @default.
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- W3150406994 abstract "Peri-implant infection after hip and knee arthroplasty is a common and serious complication. Titanium (Ti), polyethylene (PE), and Al 2 O 3 materials used as joint prosthesis materials have good biocompatibility and mechanical strength but no antibacterial effect. This study aimed to provide a theoretical basis for the design and manufacture of joint prosthesis materials with antibacterial effect. We applied a coating of gentamicin–silk protein (GS–Silk) on the surface of these materials. We characterized the Ti, PE, and Al 2 O 3 materials coated with GS–Silk (experimental group) and performed in vivo and in vitro experiments to test antibacterial activity. Scanning electron microscopy confirmed successful GS–Silk coating, and infrared spectroscopy confirmed successful loading of gentamicin onto the three materials. Nanoscratch test proved that the GS–Silk coating is relatively reliable on the surface of these three materials. The antibacterial effect of the coating in vitro and in vivo was verified by performing bacteriostatic ring test in vitro , bacterial adhesion test, and subendothelial implant infection test. We demonstrated that GS–Silk coating can effectively load gentamicin onto Ti, PE, and Al 2 O 3 materials and change the gentamicin release rate with a change in the solution pH to achieve intelligent release. The GS–Silk coating is relatively reliable on the surface of these three materials. Ti, PE, and Al 2 O 3 materials coated with GS–Silk have good antibacterial ability, both in vivo and in vitro . • We have surface modified the three most commonly used materials for joint replacement. • The GS–Silk coating is relatively reliable on the surface of Ti, PE, and Al 2 O 3 materials. • Ti, PE, and Al 2 O 3 materials with GS–Silk coating have strong bactericidal effect on S . aureus and E . coli In vivo and vitro." @default.
- W3150406994 created "2021-04-13" @default.
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- W3150406994 date "2021-05-01" @default.
- W3150406994 modified "2023-10-14" @default.
- W3150406994 title "Antibacterial application of gentamicin–silk protein coating with smart release function on titanium, polyethylene, and Al2O3 materials" @default.
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- W3150406994 doi "https://doi.org/10.1016/j.msec.2021.112069" @default.
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