斯托克斯位移

要求标记微球的荧光染料具有较大的斯托克斯位移。

The fluorescent dyes used to label microsphere are required with large Stokes Shift .

紫外吸收和荧光发射光谱测试结果显示，该类分子具有大的斯托克斯位移和明显的分子内电荷转移特性，热重分析结果表明，该类分子具有优良的热稳定性。

Their UV absorption , fluorescence emission spectra show that the compounds have the large Stokes shift and intramolecular charge transfer properties .

但是由于许多有机染料易光漂白，吸收光谱窄，发射光谱较宽且伴有拖尾，斯托克斯位移小，使得FRET的应用受到了限制。

However , owing to the poor photostability , narrow absorption spectra , and broad emission spectra of organic dyes , the application of FRET has been limited .

其中，中位烷基氨基取代的三个衍生染料在水溶液中的斯托克斯位移大于140nm，并且荧光强度比普通菁染料强两倍以上。

Three of these dyes with alkyl secondary amino group at the central position were found to exhibit a large Stokes shift ( > 140 nm ) and strong fluorescence .

结果表明，随着溶剂极性的增大所合成的化合物均表现为正溶剂化显色，且斯托克斯位移较大。

The results showed that the products represented positive solvatochromism and the Stokes shifts increased with increase of polarity of the solvents .

两种化合物的荧光带位于蓝紫区，中心波长为369和442nm，都具有较小的斯托克斯位移。

Nm . The fluorescence bands were located in the blue-violet region with the peak wavelengths of 369 and 442 nm , and small Stokes shifts were observed .

金属纳米簇具有一系列独特的性质，像尺寸极小、光稳定性、生物相容性、水溶性、荧光量子产率高、斯托克斯位移大等。

Metal nanoclusters cover a wide range of properties like small size , photostability , biocompatibility , water solubility , high emission rates , and large Stokes shift .

香豆素作为一种天然的荧光发色团，被广泛的应用于荧光传感器的设计与合成上，它具有发光效率高和斯托克斯位移大等特征。

Coumarin , as a natural fluorophore , has been widely used in the design and synthesis of fluorescence sensors , which exhibit high quantum yield , large Stokes ' Shift and so on .

量子点作为一种新型荧光材料具有优异的光谱特性，如激发波长范围宽、发射光谱窄、斯托克斯位移大、光学稳定性好等。

The novel quantum dots ( QDs ) exhibited many excellent optical properties , such as : broade excitation spectrum , narrow emission spectrum , broad stokes displacement , good photostability , and so on .

第六章研究了斯托克斯和反斯托克斯拉曼位移差与时间反演对称性。

The difference between the Stokes and anti-Stokes Raman shifts is proposed and theoretically explored on the basis of the time-reversal symmetry of light-scattering experiments .