共搜索到1704条信息,每页显示10条信息,共171页。用时:0小时0分0秒281毫秒
......
......
-cultured with plant suspension cells of Dioscrea Zigiberensis G H Wright, and treated with ultrasound. The results show that the diameter of the fluorescence starch-nanoparticles is 50-100 nm. DNA... and nucleus membrane of plant suspension cells. The green fluorescence protein(GFP) gene at a high frequency exceeds 5%. This nano-biomaterial can efficiently solve the problem that exterior genes cannot......
Mechanisms of Fluorescence Quenching of Pr3+-Doped PbWO4 Crystal Xiong Feibing1,Luo Zundu1,Huang Yidong1 (1.Fujian Institute of Research on Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China;2.Graduate School of Chinese Academy of Sciences, Beijing 100039, China) Abstract:Fluorescence decay curves of the 3P0 and 1D2 manifolds in Pr3+ doped PbWO4 crystal were measured......
J. Cent. South Univ. Technol. (2010) 17: 720-725 DOI: 10.1007/s11771-010-0546-9 Citrate-stabilized CdSe/CdS quantum dots as fluorescence probe for protein determination FU Xin(傅昕), HUANG Ke-long...; Abstract: A rapid, ultrasensitive and convenient fluorescence measurement technology based on the enhancement......
Synthesis, Characterization and Fluorescence of Phenylcarboxymethyl Sulfoxide Complexes with Lanthanide Nitrates 李文先1,张东凤1 (1.College of Chemistry and Chemical Industry, Inner Mongolia University.... The fluorescence spectra of Eu3+ complex indicates that there is no inversion symmetry at the site of Eu3+ ion, but the emission intensity of fluorescence is quite good.The solubility of the complexes......
J. Cent. South Univ. Technol. (2009) 16: 0440-0443 DOI: 10.1007/s11771-009-0074-7 Fluorescence spectroscopy characteristics of humic acid by inoculating white-rot fungus during different phases... of agricultural waste composting, and its effect on the fluorescence spectroscopy characteristics of humic acid (HA) was studied. The results show that the emission spectra have a sharp peak at 400 nm......
......
J. Cent. South Univ. Technol. (2008) 15: 599-605 DOI: 10.1007/s11771-008-0112-x Synthesis and fluorescence properties of Tb(Ⅲ) complexes with pyridine-2,6-dicarboxylic acid derivatives TANG Rui... nuclear magnetic resonance, elemental analysis and gas chromatograph-mass spectrometry. The ligand synthetic route was optimized. The fluorescence properties of the complex in solid state, in different......
Simultaneous Determination of Zirconium and Hafnium by Dual System and Dual Wavelength Spectrophotometry张贵珠,刘蜀利,杨万龙,何锡文,史慧明摘 要:<正> A dual system and dual wavelength spectrophotometry(DSDWS)used to simultaneously determine Zrand Hf were proposed.