LumiTracker® ER Red

Microscopy Endoplasmic reticulum
Cat. # Quantity Price Lead time
3891-50ug 50 ug $240 in stock
3891-100ug 100 ug $450 in stock
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LumiTracker ER Red (also known as ER-Tracker™ Red) is a cell-permeant, highly selective for the endoplasmic reticulum (ER) stain for live cell imaging. LumiTracker ER Red is a derivative of red-fluorescent BDP TR dye coupled with Glibenclamide (Glyburide). Glibenclamide binds to the sulphonylurea (SUR) receptors of ATP-sensitive potassium channels (KATP), which are prominent on the endoplasmic reticulum. The staining is partially retained after fixation with formaldehyde. LumiTracker ER Red is not suitable for staining cells after fixation.

Note that the pharmacological activity of glibenclamide could potentially affect ER function. Variable expression of sulphonylurea receptors in some specialized cell types may result in non-ER labeling.

LumiTracker ER Red, 3891-50ug
LumiTracker ER Red, 3891-50ug
LumiTracker ER Red, 3891-50ug
Vital staining of the endoplasmic reticulum of RAW 264.7 mouse macrophages. Cells were stained with LumiTracker ER Red (1 μM, 3891-x) for 30 min at 37°C, fixed, and counterstained with the nuclear dye DAPI.
Structure of LumiTracker ER Red
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Absorption and emission spectra of LumiTracker ER Red

Absorption and emission spectra of LumiTracker ER Red

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General properties

Appearance: dark-violet powder
Molecular weight: 915.25
Molecular formula: C44H42BClF2N6O7S2
Solubility: DMSO
Quality control: NMR 1H and HPLC-MS (95+%)
Storage conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 589
Emission maximum, nm: 617
ER-Tracker™ is the trademark of Molecular Probes Inc.
Product is offered and sold for research purposes only. Product is not tested for safety and efficacy in food, drug, medical device, cosmetic, no express or implied authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, for humans or animals or for commercial purposes.
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