CypHer5E NHS Ester

CypHer5E NHS ester is an excellent building block for developing site-specific pH probes. It can be readily conjugated to amino-containing biomolecules (such as antibodies, peptides and amino-modified oligos). CypHer5E is a red laser-excitable, 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. CypHer5E 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. CypHer5E has an excitation peak that perfectly matches the red laser at 633 nm of He-Ne laser and 647 nm of red laser and an emission peak at ~670 nm.

Spectrum

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Product family

Name	Excitation (nm)	Emission (nm)	Extinction coefficient (cm ^-1 M ^-1)	Quantum yield	Correction Factor (260 nm)	Correction Factor (280 nm)
XFD488 NHS Ester Same Structure to Alexa Fluor™ 488 NHS Ester	499	520	71000	0.92¹	0.30	0.11
XFD350 NHS Ester Same Structure to Alexa Fluor™ 350 NHS Ester	343	441	19000	-	0.25	0.19
XFD532 NHS Ester Same Structure to Alexa Fluor™ 532 NHS Ester	534	553	81000	0.61¹	0.24	0.09
XFD594 NHS Ester Same Structure to Alexa Fluor™ 594 NHS Ester	590	618	90000	0.66¹	0.43	0.56
QXY21 NHS ester [equivalent to QSY-21 NHS ester]	-	-	89000¹	-	-	0.32
XFD555 NHS Ester Same Structure to Alexa Fluor™ 555 NHS Ester	553	568	150000	0.1¹	0.08	0.08
XFD647 NHS Ester Same Structure to Alexa Fluor™ 647 NHS Ester	650	671	239000	0.33¹	0.00	0.03
XFD680 NHS Ester Same Structure to Alexa Fluor™ 680 NHS Ester	681	704	184000	0.36¹	0.00	0.05
XFD700 NHS Ester Same Structure to Alexa Fluor™ 700 NHS Ester	696	719	192000	0.25¹	0.00	0.07
XFD750 NHS Ester Same Structure to Alexa Fluor™ 750 NHS Ester	752	776	240000	0.12¹	0.00	0.04
Cy5DIGE NHS ester	651	670	250000¹	0.27¹, 0.4²	0.02	0.03
Cy2DIGE NHS ester	492	508	150000	0.120	0.08	0.15
Cy3DIGE NHS ester	555	569	150000¹	0.15¹	0.07	0.073
XFD546 NHS Ester Same Structure to Alexa Fluor™ 546 NHS Ester	561	572	112000	0.79¹	0.21	0.12
XFD568 NHS Ester Same Structure to Alexa Fluor™ 568 NHS Ester	579	603	91300	0.69¹	0.45	0.46
XFD514 NHS Ester Same Structure to Alexa Fluor™ 514 NHS Ester	518	543	80000	-	0.31	0.18
QXY7 NHS ester [equivalent to QSY-7 NHS ester]	-	-	90000¹	-	-	0.22
Cy3B NHS ester	560	571	120000¹	0.58¹	0.048	0.069
XFD405 NHS Ester [equivalent to Alexa Fluor™ 405 NHS Ester]	401	421	35,000	-	0.23	0.70
CypHer7E NHS Ester	748	769	-	-	-	-
XFD660 NHS Ester [equivalent to Alexa Fluor® 660 NHS Ester]	663	691	132000	-	0.00	0.10
XFD430 NHS ester	432	540	15,000	-	-	0.28
Show More (13)

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

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