期刊
APPLIED SURFACE SCIENCE
卷 255, 期 10, 页码 5486-5490出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2008.10.031
关键词
Bioglass thin films; In vitro biotests; Pulsed laser deposition
We report on the synthesis by pulsed laser deposition with a KrF* excimer laser source (lambda = 248 nm, tau = 25 ns) of bioglass thin films of 6P57 and 6P61 types. Physiology, viability, and proliferation of human osteoblast cells were determined by quantitative in vitro tests performed by flow cytometry on primary osteoblasts cultured on pulsed laser deposited bioglasses. Both types of glass films proved to be appropriate mediums for cell survival and proliferation. In a parallel investigation, cell morphology and adhesion to the surface was studied by fluorescence microscopy and scanning electron microscopy. Strong bonds between the materials and cells were found in both cases, as osteoblast pseudopodes penetrated deep into the material. According to our observations, the 6P57 glass films were superior with respect to viability and proliferation performances. (C) 2008 Elsevier B. V. All rights reserved.
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