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Cl-NERF

Cl-NERF is a rhodol dye with pKa = 3.8. It has been mainly used for monitoring pH in acidic environments such as endosomes and lysosomes. Cl-NERF has a ratiometric excitation spectrum with 510/450 nm excitation ratio commonly used. The dextran conjugates of Cl-NERF has been used for detect the uptake of labeled probes into acidic organelles.

Calculators

Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of Cl-NERF to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM221.307 µL1.107 mL2.213 mL11.065 mL22.131 mL
5 mM44.261 µL221.307 µL442.615 µL2.213 mL4.426 mL
10 mM22.131 µL110.654 µL221.307 µL1.107 mL2.213 mL

Molarity calculator

Enter any two values (mass, volume, concentration) to calculate the third.

Mass (Calculate)Molecular weightVolume (Calculate)Concentration (Calculate)Moles
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Product family

NameExcitation (nm)Emission (nm)Extinction coefficient (cm -1 M -1)Correction Factor (280 nm)
NBD-Cl [4-Chloro-7-nitrobenzofurazan] *CAS 10199-89-0*46753922000-
CL-APC [Cross linked-AlloPhycocyanin]6516607300000.195

References

View all 12 references: Citation Explorer
Inhibitors of acid secretion can benefit gastric wound repair independent of luminal pH effects on the site of damage
Authors: Demitrack ES, Aihara E, Kenny S, Varro A, Montrose MH.
Journal: Gut (2012): 804
Damage to the gastric epithelium activates cellular bicarbonate secretion via SLC26A9 Cl(-)/HCO(3)(-)
Authors: Demitrack ES, Soleimani M, Montrose MH.
Journal: Am J Physiol Gastrointest Liver Physiol (2010): G255
In vivo action of trefoil factor 2 (TFF2) to speed gastric repair is independent of cyclooxygenase
Authors: Xue L, Aihara E, Podolsky DK, Wang TC, Montrose MH.
Journal: Gut (2010): 1184
Disruption of the Cox-1 gene slows repair of microscopic lesions in the mouse gastric epithelium
Authors: Starodub OT, Demitrack ES, Baumgartner HK, Montrose MH.
Journal: Am J Physiol Cell Physiol (2008): C223
Cyclooxygenase 1 is required for pH control at the mouse gastric surface
Authors: Baumgartner HK, Starodub OT, Joehl JS, Tackett L, Montrose MH.
Journal: Gut (2004): 1751
Page updated on November 21, 2024

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Catalog Number21220
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Physical properties

Molecular weight

451.86

Solvent

DMSO

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
UNSPSC12352200
Steady-state excitation and emission spectra of Cl-NERF in aqueous buffer solution with increasing pH moving from bottom to top at pH = 2.0 (red line), 4 (purple line), 5 (blue line) and 6 (green line).
Steady-state excitation and emission spectra of Cl-NERF in aqueous buffer solution with increasing pH moving from bottom to top at pH = 2.0 (red line), 4 (purple line), 5 (blue line) and 6 (green line).
Steady-state excitation and emission spectra of Cl-NERF in aqueous buffer solution with increasing pH moving from bottom to top at pH = 2.0 (red line), 4 (purple line), 5 (blue line) and 6 (green line).
Gallery Image 2