Retrace error correction for non-null testing of optical aspheric surface

	Retrace error correction for non-null testing of optical aspheric surface
	Shi, T.; Z. Zang; D. Liu; Y. Yang; S. Chong; L. Zhang; J. Bai; Y. Shen; L. Miao and W. Huang
	2016
发表期刊	Guangxue Xuebao/Acta Optica Sinica
卷号	36 期号:8
摘要	In order to reveal the mechanism of LLLI accelerating teeth moving, we investigated the changes of alkaline phosphatase and intracellular calcium concentration when osteoblasts under stress were subjected low-level-laser-irradiation (LLLI). MG-63 cells were divided into four groups: control group, stress group, LLLI group and LLLI-stress group. Osteoblasts were subjected to the mechanical stress by a four-point bending system at 0. 5 Hz and 3 000 mu strain. The secretions of ALP of each group are measured by spectrophotometer. In the second part, MG-63 cells were divided into two groups: stress group and LL-LI-stress group. We checked intracellular calcium concentration via FCM and fluorescent indicator fluo-3/AM at 0, 5, 15, 30 and 60 min under stress. LLLI-stress group will receive LLLI for 1 min after stress. Compared to a control group, increased ALP secretions were observed in the other three groups. But ALP secretions in LLLI-stress group were lower than stress group and LLLI group. THE changing curve of intracellular calcium concentration in laser-stress groups is gentle instead of "jumping" in stress group. Proper stress, LLLI and combined application of these two can increase the secretions of ALP in osteoblasts compared to the control group. But the secretions of ALP decreased when combined application of stress and LLLI compared to using alone. LLLI can regulate the changing rhythm of concentration of the intracellular calcium to promote proliferation of MG 63 cell under stress, which means LLLI can reduce the bone-formation of osteoblasts under stress.
文章类型	期刊
收录类别	EI
语种	中文
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/57180
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Shi, T.,Z. Zang,D. Liu,et al. Retrace error correction for non-null testing of optical aspheric surface[J]. Guangxue Xuebao/Acta Optica Sinica,2016,36(8).
APA	Shi, T..,Z. Zang.,D. Liu.,Y. Yang.,S. Chong.,...&L. Miao and W. Huang.(2016).Retrace error correction for non-null testing of optical aspheric surface.Guangxue Xuebao/Acta Optica Sinica,36(8).
MLA	Shi, T.,et al."Retrace error correction for non-null testing of optical aspheric surface".Guangxue Xuebao/Acta Optica Sinica 36.8(2016).

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