A facile fabrication of novel stuff with antibacterial property and osteogenic promotion utilizing red phosphorus and near-infrared light

被引：139
作者：
Huang, Bo [1 ]
Tan, Lei [1 ]
Liu, Xiangmei [1 ]
Li, Jun [2 ]
Wu, Shuilin [1 ,2 ]
机构：
[1] Hubei Univ, Sch Mat Sci & Engn, Key Lab Green Preparat & Applicat Funct Mat, Minist Educ,Hubei Key Lab Polymer Mat, Wuhan 430062, Hubei, Peoples R China
[2] Tianjin Univ, Sch Mat Sci & Engn, Minist Educ China, Key Lab Adv Ceram & Machining Technol, Tianjin 300072, Peoples R China
来源：
BIOACTIVE MATERIALS | 2019年 / 4卷
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Implants; Red phosphorus; Near-infrared; Osteogenesis; Antibacterial; Biofilm;
D O I：
10.1016/j.bioactmat.2018.11.002
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Bone-implant materials are important for bone repairing and orthopedics surgery, which include bone plates and bone nails. These materials need to be designed not only considering its biostability and biocompatibility, but also their by-products induced infection after therapy or long-time treatment in vivo. Thus, the development of novel implant materials is quite urgent. Red phosphorus has great biocompatibility and exhibits efficient photothermal ability. Herein, a red phosphorus/IR780/arginine-glycine-asparticacid-cysteine (RGDC) coating on titanium bone-implant was prepared. The temperature sensitivity of Staphylococcus aureus biofilm is enhanced in the presence of ROS produced by IR780 with 808 nm light irradiation. With keeping the cells and tissues normal, a high antibacterial performance can be realized by near-infrared (808 nm) irradiated within 10 min at 50 degrees C. Besides the high effective antibacterial efficacy provided by photothermal therapy (PTT) and photodynamic therapy (PDT), the RGDC decorated surface can also possess an excellent performance in osteogenesis in vivo.
引用
收藏
页码：17 / 21
页数：5
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