BCECF-AM

Modify Date: 2024-01-02 14:29:30

BCECF-AM Structure
BCECF-AM structure
Common Name BCECF-AM
CAS Number 117464-70-7 Molecular Weight 820.70
Density 1.5±0.1 g/cm3 Boiling Point 939.2±65.0 °C at 760 mmHg
Molecular Formula C40H36O19 Melting Point N/A
MSDS USA Flash Point 368.9±34.3 °C

 Use of BCECF-AM


BCECF-AM is a cell membrane permeable compound, widely used as a fluorescent indicator for intracellular pH.

 Names

Name 2',7'-Bis(2-carboxyethyl)-5(6)-carboxyfluorescein acetoxymet
Synonym More Synonyms

 BCECF-AM Biological Activity

Description BCECF-AM is a cell membrane permeable compound, widely used as a fluorescent indicator for intracellular pH.
Related Catalog
In Vitro BCECF-AM is used to measure changes in basal pHi and NHE activity induced by increasing concentrations of ET-1 (0.1-10 nM) in pulmonary arterial smooth muscle cell (PASMC)[1].
Cell Assay PASMCs are placed in a laminar flow cell chamber perfused with HBSS with pH adjusted to 7.4. pHi is measured in cells incubated with the membrane permeant (acetoxymethyl ester) form of the pH-sensitive fluorescent dye BCECF-AM for 60 min at 37°C under an atmosphere of 20% O2-5% CO2. Cells are then washed with HBSS for 15 min at 37°C to remove extracellular dye and allow complete de-esterification of cytosolic dye. Ratiometric measurement of BCECF fluorescence is performed on a workstation consisting of a Nikon TSE 100 Ellipse inverted microscope with epi-fluorescence attachments. The light beam from a xenon arc lamp is filtered by interference filters at 490 and 440 nm, and focused onto the PASMCS under examination via a 20× fluorescence objective. Light emitted from the cell at 530 nm is returned through the objective and detected by an imaging camera. An electronic shutter is used to minimize photobleaching of dye. Protocols are executed and data collected on-line with InCyte software. pHi is estimated from in situcalibration after each experiment. Cells are perfused with a solution containing (in mM): 105 KCl, 1 MgCl2, 1.5 CaCl2, 10 glucose, 20 HEPES-Tris and 0.01 nigericin to allow pHi to equilibrate to external pH. A two point calibration is created from fluorescence measured as pHi is adjusted with KOH from 6.5 to 7.5. Intracellular H+ ion concentration ([H+]i) is determined from pHi using the formula: pHi = −log ([H+]i).
References

[1]. Clark Undem, et al. Endothelin-1 Augments Na+/H+ Exchange Activity in Murine Pulmonary Arterial Smooth Muscle Cells via Rho Kinase. PLoS One. 2012; 7(9): e46303.

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 939.2±65.0 °C at 760 mmHg
Molecular Formula C40H36O19
Molecular Weight 820.70
Flash Point 368.9±34.3 °C
PSA 264.39000
LogP 0.90
Vapour Pressure 0.0±0.3 mmHg at 25°C
Index of Refraction 1.602
Storage condition -20°C

 Safety Information

Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S22-S26-S36
RIDADR NONH for all modes of transport

 Articles27

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Fast loading ester fluorescent Ca2+ and pH indicators into pollen of Pyrus pyrifolia.

J. Plant Res. 125(1) , 185-95, (2012)

Loading of Ca(2+)-sensitive fluorescent probes into plant cells is an essential step to measure activities of free Ca(2+) ions in cytoplasm with a fluorescent imaging technique. Fluo-3 is one of the m...

Role of the plasma membrane calcium adenosine triphosphatase on domoate-induced intracellular acidification in primary cultures of cerebelar granule cells.

J. Neurosci. Res. 84(2) , 326-37, (2006)

Changes in intracellular pH (pH(i)) and cytosolic calcium concentration ([Ca(2+)](c)) caused by the glutamate agonist domoate (DOM) were studied in single cultured mouse cerebellar granule cells (CGC)...

Platelet-activating factor stimulates cytoplasmic alkalinization and granule acidification in human eosinophils.

J. Cell Sci. 117(Pt 24) , 5749-57, (2004)

The effects of platelet-activating factor (PAF) and IL-5 on intracellular pH were investigated in human eosinophils. Purified peripheral blood eosinophils were loaded with the ratiometric fluorescent ...

 Synonyms

Spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-2',7'-dipropanoic acid, 3',6'-bis[(acetyloxy)methoxy]-5-[[(acetyloxy)methoxy]carbonyl]-3-oxo-, bis[(acetyloxy)methyl] ester
MFCD00036969
2',7'-Bis(2-carboxyethyl)-5(6)-carboxyfluorescein tetrakis(acetoxymethyl) ester
Acetoxymethyl 3',6'-bis(acetoxymethoxy)-2',7'-bis[3-(acetoxymethoxy)-3-oxopropyl]-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxylate
2′,7′-bis(2-Carboxyethyl)-5(6)-carboxyfluorescein acetoxymethyl ester Mixed isomers
acetyloxymethyl 3',6'-bis(acetyloxymethoxy)-2',7'-bis[3-(acetyloxymethoxy)-3-oxopropyl]-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylate
BCECF-acetoxymethyl
BCECF-AM
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