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WGA receptors were also present on plasma membrane of central cell, egg cell and synergid.

连接两个精细胞的横壁也发出很亮的荧光。生殖细胞表面的荧光强度要梢强于精细胞,但差异不明显。

A new method of quantitative determination for serum albumin in aqueous solution has been developed by measuring total internal reflection synchronous fluorescence at the solid/liquid interface.

中文文摘]应用全内反射与同步荧光相结合的技术,建立了利用蛋白质吸附在液-固界面上的同步荧光信号来测定本体蛋白质溶液浓度的新方法。

According to the fluorescence quenching and the fluorescence changing of mixed solution with irradiation time it was indicated that the photo-induced electron transfer between triazine as an electron acceptor and intra-molecular charge tranfer compounds as an electron donor have occurred in these systems.

通过荧光猝灭和体系荧光随时间的变化可看到作为电子受体的三嗪分子和作为电子给体电荷转移化合物间的光诱导电荷转移作用。

The optimum condition of spectrofluorimetric determination of uranyl ion in pyridine 2,6 dicarboxylic acid β cydodextrin system is studied.

研究了吡啶 2 ,6 二羧酸β环状糊精体系荧光分光光度法测定铀酰离子的最佳条件以及某些稀土共存离子对荧光体系的干扰,并应用于人工样品的测定。

Results: At 3, 7 days post-grafting, SC survived in the lesioned area, hippocampus and ventriculus lateralis. At 14 days post-grafting, SC were migrating along ependyma, meninges and blood vessels. In the area of corpus callosum, SC were arranged like chains. At 60 days post-grafting, the number of SC was decreased and the fluorescent mark of SC was weakened. At 90 days post-grafting, the survival cells were few.

结果:3天、7天时移植的雪旺细胞大量存活于损伤区、海马、侧脑室的脉络丛组织中。14天后可观察到细胞沿软脑膜、室管膜、血管周间隙迁移,并在胼胝体部位排列成索条状。60天时雪旺细胞的标记荧光减弱,细胞密度减少。90天时已观察不到荧光。

They are important material in the preparation of fluorescent whitener and dye. They also play an important role in the synthesis of high sensitive chromogenic reagent.

苯并噻唑类化合物是制作荧光增白剂、荧光染料的重要原料,在高灵敏度显色剂的合成中也具有重要的地位。

Chlorophyll fluorescence excitation spectra of six phytoplankton species, belonging to Bacillariophyta and Dinophyta, were dealt by fourth-derivative analysis with the Matlab program.

测量了分属硅藻和甲藻两个门类的六种我国东海常见赤潮藻的叶绿素荧光激发光谱,以Matlab为操作平台,采用自编的光谱求导程序,对荧光激发光谱进行四阶导数处理。

Chromophoric dissolved organic matter solutions at different concentrations were prepared to study the effects of CDOM concentration on excitation emission matrix spectrum and synchronous fluorescence spectrum.

用自制的海水有色可溶性有机物干粉配制不同质量浓度的水溶液,研究其对三维荧光光谱和同步荧光光谱的影响。

Esults When MSCs were cultured with HGF, FGF-4 and OSM, cuboidal morphology, which was a characteristic of hepatocytes, was observed, and the differentiated cells also expressed marker genes specific to liver cells in a time-dependent manner.α-fetoprotein was expressed on day 10, and CK18, ALB and TAT were detected on day 20, which was in consistent with the immunofluoresence results.

T-PCR和免疫荧光检测结果显示,AFP在诱导初期表达,在诱导后期表达下降;CK18、ALB和TAT的表达与诱导时间呈线性关系,第20天达到表达高峰;诱导20 d后免疫荧光检测,AFP、CK18、ALB和TAT均为阳性;诱导20 d细胞的PAS糖原合成反应呈阳性,即具备糖原合成和储存的肝细胞特有功能。

The results indicated that the organically modifying precursors could densify the gel glass, but the thermal stability was reduced simultaneously.

结果表明,有机改性先驱体能使凝胶玻璃结构致密,但同时热稳定性降低;对于荧光性能,MTMS和VTES可使其有一定的提高,但它们的最大含量不能超过50%,否则凝胶易失透,而GPTMS能大幅提高凝胶的荧光性能。

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