Invitrogen Cyanine3 (Cy3) dye is a bright, orange-fluorescent dye that can be excited using the 532 nm laser line and visualized with TRITC (tetramethylrhodamine) filter sets. In addition to immunocytochemistry applications, Cy3 dye is commonly used to label nucleic acids.

菁染料的摩尔吸光系数在荧光染料中是最高的， Cy7 NHS ester, Cy5.5 amine 和 Cy3 azide 的吸收在近红外区背景非常低，是荧光强度最高、最稳定的长波长染料。

2022年4月2日 · Cy3荧光染料的全称是Cyanine 3，也叫花青素Cy3； Cy5荧光染料的全称是Cyanine 5，也被称为花青素Cy5。 它是一种发远红 (far-red)荧光的染料，常用于生物分子标记、荧光成像及其他荧光生物分析。 荧光染料cy3和cy5分别是什么颜色? cy3和cy5的区别： Cy3和Cy5是两种不同的荧光染料，其主要的区别主要体现在以下两个方面： 吸收光谱：Cy3的吸收峰大约在550nm，而Cy5的吸收峰大约在650nm。 荧光发射波长：Cy3的荧光发射波长大约在570nm， …

<p>Cy3 and Cy5 maleimide mono functional dyes are suitable for highly selective peptide, oligonucleotide, and protein labeling using thiol maleimide coupling.</p>

Cy3 dye stands as a pivotal tool in the realm of fluorescent labeling, significant not only for its vibrant fluorescence but also for its diverse applications in molecular biology and biochemistry. This article seeks to unravel the complexities surrounding Cy3 dye, from its chemical properties to its practical utility in scientific investigations.

Cy3 Dye is a fluorescent dye used in 2D DIGE to covalently label proteins in samples for comparison. It allows for quantitative analysis by imaging the Cy3 signal separately and determining the labeling ratio in each spot on the gel.

Cy3 is an important historical fluorophore from GE Healthcare. It has an excitation peak at 554 nm and an emission peak at 568 nm. Spectrally its similar to Alexa Fluor™ 555.

2023年11月14日 · 花氰染料CY3可以用于免疫荧光染色技术，用于检测和定位特定抗原在细胞或组织中的分布。 例如，将CY3标记于抗体上，然后与特定抗原结合，通过荧光显微镜观察染色的细胞或组织，可以获得抗原的空间分布信息。 这种技术常用于免疫组织化学、细胞生物学和病理学研究中。 3. 分子探针： 花氰染料CY3可以用作分子探针，用于检测和研究生物分子的相互作用和动态变化。 例如，将CY3标记于核酸探针上，通过与目标核酸的特异性结合，可以观察基因表达 …

Cy3 is a typical cyanine dye, and its chemical structure consists of two indole rings connected by a methine chain. This structure imparts specific optical properties to Cy3, enabling it to perform …

Vector Laboratories Cy3 dye is offered with many reactive groups facilitating conjugation to a wide range of target biomolecules including antibodies, antibody fragments, peptides, oligonucleotides and other small molecules. Cy3 conjugates are very bright, photostable, and function across a broad pH range.