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CypHer7E NHS Ester

CypHer7E NHS ester is an excellent building block for developing site-specific pH probes. It is analogous to CypHer5E NHS ester with much longer excitation and emission. It is one of the very few acidotropic pH probes that exhibit NIR fluorescence. It can be readily conjugated to amino-containing biomolecules (such as antibodies, peptides and amino-modified oligos). CypHer7E is a NIR pH-sensitive cyanine dye derivative that can be used to study most classes of cell surface receptors which internalize into the endocytic pathway when activated by a ligand. CypHer7E NHS ester is a flexible, generic fluorophore that can be coupled to a receptor or epitope tag antibody and monitors neutral to acidic intracellular events.

Spectrum

References

View all 15 references: Citation Explorer
Altered exocytosis of inhibitory synaptic vesicles at single presynaptic terminals of cultured striatal neurons in a knock-in mouse model of Huntington's disease.
Authors: Xu, Chen and Chen, Sidong and Chen, Xingxiang and Ho, Ka Hei and Park, Chungwon and Yoo, Hanna and Lee, Suk-Ho and Park, Hyokeun
Journal: Frontiers in molecular neuroscience (2023): 1175522
Measuring Phagosomal pH by Fluorescence Microscopy.
Authors: Gonzales, Gerone A and Canton, Johnathan
Journal: Methods in molecular biology (Clifton, N.J.) (2023): 153-169
A near-infrared fluorescent pH sensing film for wound milieu pH monitoring.
Authors: Li, Shuxin and Vu, Hong and Senkowsky, Jon and Hu, Wenjing and Tang, Liping
Journal: Experimental dermatology (2020): 107-111
RNAi in Spodoptera frugiperda Sf9 Cells via Nanomaterial Mediated Delivery of dsRNA: A Comparison of Poly-l-arginine Polyplexes and Poly-l-arginine-Functionalized Au Nanoparticles.
Authors: Laisney, Jérôme and Gurusamy, Dhandapani and Baddar, Zeinah Elhaj and Palli, Subba Reddy and Unrine, Jason M
Journal: ACS applied materials & interfaces (2020): 25645-25657
Transport of orally delivered dsRNA in southern green stink bug, Nezara viridula.
Authors: Gurusamy, Dhandapani and Howell, Jeffrey L and Chereddy, Shankar C R R and Koo, Jinmo and Palli, Subba Reddy
Journal: Archives of insect biochemistry and physiology (2020): e21692
Page updated on March 11, 2025

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Catalog Number21914
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Physical properties

Molecular weight

864.91

Solvent

DMSO

Spectral properties

Excitation (nm)

748

Emission (nm)

769

Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22

Storage

Freeze (< -15 °C); Minimize light exposure
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