查询词典 fluorescence

Marked changes of apoptosis including condensation of chromatin and nuclear fragmentation were observed very clearly by Hoechst 33258 fluorescence staining and a characteristic "ladder" of DNA fragments was elicited by agarose gel electrophoresis; Western blot analysis revealed that caspase-3 was activated by the loss of caspase-3 proenzyme (32kDa) and the appearance of its 20kDa subunit, and that along with the apoptotic process caspase-3 activity was increased concurrently.

Hoechst 33258荧光染色观察到典型的核浓缩、核碎裂等细胞凋亡的形态学变化，琼脂糖凝胶电泳观察到细胞凋亡时的DNA"梯形"条带；Western blot检测结果表明32kDa的caspase-3酶原被激活，出现20kDa的亚单位活化片段，同时在细胞凋亡过程中，caspase-3活性显著增高。

With the prolongation of time, the fluorescence became scattered.

两组荧光的分布和强度并没有明显的差别。

CIT-2000SMP portable fluorescence analyzer can ore, concentrate on-siteRapid analysis, external cooling, semiconductor or proportional counter of the two probes, to meetThe mining, and mining sector to higher accuracy of portable analyzer requirements.

CIT-3000SMP便携式X荧光分析仪是集当今最新电子技术、计算机技术和核分析方法于一体，具有微机化程度高、人机界面友好、分析精度高、分析速度快、性能价格比高等特点，成为相关企业进行生产控制和科学研究的首选设备。

This article describes that, instead of a Si-PIN detector , a domestic TX410 thin window high resolution proportional counter is used in an SZ-2 X-ray fluorescence analyzer to determine the Cu,Fe,S,SiO2 contents of the copper ores in a copper mine situated in yunnan prorice, south-west China.

给出了一台SZ-2X射线荧光分析仪上的 Si-PIN 探测器用国产TX410薄窗高分辨正比计数管替代，测云南某铜矿Cu、Fe、S、SiO2的含量。

It was found that the fluorescence intensity of Py in aqueous solution was increased within the presence of MFE.

结果表明：MFE可使水溶液中Py的荧光强度增强，但使其I1/I3值增大。

The results show that this pyrano[4,3-b] pyran derivative observably quenches the fluorescence of BSA in a static quenching mode. The binding constants and the numbers of binding sites at different temperatures were obtained and the effects of some metal ions on the binding constant of the derivative and BSA were also discussed.

求得不同温度下二者的结合常数和结合位点数，探讨了微量金属离子对实验体系结合常数的影响，并根据热力学参数确定了这种吡喃并[4，3-b]吡喃衍生物与牛血清白蛋白之间的作用力类型。

The mechanism of the interaction between bovine serum albumin and pyrano [4,3-b] pyran derivative, 2-amino-7-methyl-4-(4-nitrophenyl)-5-oxo-4,5-dihydropyrano [4,3-b] pyran-3-carbonitrile, was studied by means of fluorescence spectroscopy under physiological conditions.

用荧光光谱法分析了在生理条件下一种吡喃并[4，3-b]吡喃衍生物-2-氨基-7-甲基-4-(4-硝基苯)-5-氧代-4H，5H-吡喃并[4，3-b]吡喃-3-腈与牛血清白蛋白的作用机制。

In chapter 4, the three-dimensional fluorescence spectra of ethidium and pyrene in various environments have been studied.

第四章主要是研究芘和溴化乙锭两种常用荧光探针在不同环境介质中的三维荧光光谱变化。

A method for the determining of Benzo pyrene residue in tea by HPLC with fluorescence detection was developed.

建立了茶叶中苯并芘残留量的高效液相色谱-荧光测定方法。

The quenching spectra of fluorescence chemosensors with pyrene by calf thymus DNA were studied in this work.

研究了含芘荧光化学敏感器分子被ctDNA猝灭的荧光光谱。ctDNA分子对该化学敏感器中芘的激发单体，激基缔合物都有猝灭作用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。