Square-650-pH-Carboxy

Basic Information

Square-650-pH-Carboxy
K8-1405
669.70g / Mol
Squaraine
Hydrophilic, pH-sensitive fluorescent dye containing one carboxylic acid group and pKa in the physiological pH range (pKa = 7.1) - also available as NHS ester (K8-1407).

References

1
Povrozin Ye.A., Markova L.I., Tatarets A.L., Sidorov V.I. Terpetschnig E.A., Patsenker L.D. Near-infrared, dual-ratiometric fluorescent label for measurement of pH. Anal. Biochem. 390, 136–140 (2009)

Overview

653 nm
670 nm
phosphate buffer PH 7.40
135000 M-1cm-1

Absorption

653 nm
135000 M-1cm-1
-

Emission

670 nm
no
-
-

More parameters

phosphate buffer PH 7.40
20.00° C

References

1
Povrozin Ye.A., Markova L.I., Tatarets A.L., Sidorov V.I. Terpetschnig E.A., Patsenker L.D. Near-infrared, dual-ratiometric fluorescent label for measurement of pH. Anal. Biochem. 390, 136–140 (2009), DOI: sdf
2
https://www.setabiomedicals.com/files/Pdf/K8-1405.pdf, DOI: sdf
3
https://www.setabiomedicals.com/ph-sensing.html, DOI: sdf
spectra uploaded by Ewald Terpetschnig

Provide more Spectra

Quantum Yields

16%
Reference Standard
phosphate buffer
7.40
20.00° C
https://www.setabiomedicals.com/files/Pdf/K8-1405.pdf

Lifetimes

1.00 ns
Pulse Fluorimetry
ISS
Water
20.00° C
https://www.setabiomedicals.com/files/Pdf/K8-1405.pdf

Availabilities

Commercial
SETA BioMedicals
https://www.setabiomedicals.com/ph-sensing.html
orders@setabiomedicals.com

Applications

pH-Indicator
https://www.setabiomedicals.com/ph-sensing.html
Liftime sensing
https://www.setabiomedicals.com/files/Pdf/K8-1405.pdf