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Unbinding strength between C-terminal segment of AtMAP65-1 and microtubule studied with dual-optical tweezers
Chunhua Xu;E Qu;Honglian Guo;Zhaolin Li;Ming Yuan;Tonglin Mao;Bingying Cheng;Daozhong Zhang
2006 International Symposium on Biophotonics, Nanophotonics and Metamaterials
Year: 2006 | Conference Paper |
It has been reported that AtMAP65-1 dimer induces the formation of large microtubule bundles by forming cross-bridges between microtubules. More important, it has been reported that the C terminus of AtMAP65-1 contributes to microtubule binding and the N terminus to AtMAP65-1 dimerization. The interaction between microtubule and AtMAP65-1 is crucial since it can directly affect mechanical properti...Show More
A Photonic Crystal Slab Lens for Three-dimensional Negative Refraction
Kun Ren;Zhi-Yuan Li;Shuai Feng;Bingying Cheng;Daozhong Zhang
2006 International Symposium on Biophotonics, Nanophotonics and Metamaterials
Year: 2006 | Conference Paper |
In this paper we study negative refraction of EM waves in three-dimensional (3D) inverted-opal photonic crystal that consists of periodic air-spheres embedded in a dielectric background. We investigate the focusing properties of flat lens made of this photonic crystal structure. We find that wave focusing can be achieved in such a 3D photonic crystal structure at the negative-refraction frequency ...Show More
Modified spontaneous emission of an electric dipole in two-dimensional photonic crystals slab
2006 International Symposium on Biophotonics, Nanophotonics and Metamaterials
Year: 2006 | Conference Paper |
We numerically analyze the modified spontaneous emission from an electric dipole located inside microcavities created in a two-dimensional photonic crystal. Three-dimensional finite-difference time-domain (FDTD) calculations show about 300 times enhancement of the vertical spontaneous emission of a dipole inside a microstructure. The dependence of the spontaneous emission on dipole position is stu...Show More
Femtosecond optical switching effect In two-dimensional organic photonic crystal
Yuanhao Liu;Ye Liu;Dongxiang Zhang;Zhiyuan Li;Bingying Cheng;Daozhong Zhang
2006 International Symposium on Biophotonics, Nanophotonics and Metamaterials
Year: 2006 | Conference Paper |
All-optical switching with ultrafast time response of 20 fs is realized in a two-dimensional polystyrene photonic crystal. The high switching contrast of more than 45% is achieved. The pump and probe method is used to study the dynamical shift of the photonic band gap based on the nonlinear optical Kerr effect. It is found that the maximum shift of short wavelength band edge is about 6 nm under ex...Show More
Designed Negative Refraction in Photonic Crystals
Zhi-Yuan Li;Shuai Feng;Zhi-Fang Feng;Kun Ren;Bing-Ying Cheng;Dao-Zhong Zhang
2006 International Symposium on Biophotonics, Nanophotonics and Metamaterials
Year: 2006 | Conference Paper |
Summary form only given. We report our recent progress on the negative refraction and imaging properties of 2D and 3D photonic-crystal (PC) slab lens. We have employed several theoretical and numerical tools, including plane-wave expansion method, multiple-scattering method, and finite-difference time-domain technique, to analyze the negative refraction and imaging behavior of the PC slab lens. We...Show More
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