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Fluo-5N, AM, cell permeant - Special Packaging

Catalog number: F14204

Molecular Probes™  Related applications: Cell Viability, Proliferation & Function

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Description

Labeled calcium indicators are molecules that exhibit an increase in fluorescence upon binding Ca2+. Fluo-5F, fluo-5N, and fluo-4ff are analogs of fluo-4 with lower Ca2+-binding affinity, making them suitable for detecting intracellular calcium levels in the 1 µM to 1 mM range that would saturate the response of fluo-3 and fluo-4. Cells may be loaded with the AM ester forms of these calcium indicators by adding the dissolved indicator directly to dishes containing cultured cells. These indicators are compatible with excitation at 488 nm by argon-ion laser sources, making them useful for confocal microscopy, flow cytometry, and microplate screening applications.

Calcium Indicator (AM Ester) Specifications:
• Label (Ex/Em of Ca2+–bound form): Fluo-5N (494/516 nm)
• Fluorescence intensity increase upon binding Ca2+: >100 fold
• Kd for Ca2+ in buffer: ~90 µM
• Exhibit fluorescence increase upon binding Ca2+ with little shift in wavelength


Using TPEN to Control Heavy Metal Cations
In addition, BAPTA-based indicators such as these bind various heavy metal cations (e.g., Mn2+, Zn2+, Pb2+) with substantially higher affinity than Ca2+. Perturbations to calcium measurements caused by presence of these ions can be controlled using the heavy metal-selective chelator TPEN.

More Choices for Fluorescent Calcium Indicators
We offer a large selection of Molecular Probes® calcium indicators for use in various experimental scenarios. For more information, review Fluorescent Ca2+ Indicators Excited with Visible Light—Section 19.3 in the Molecular Probes® Handbook.

For UV-excitable Ca2+ indicators, protein-based Ca2+ indicators, conjugates of Ca2+ indicators, and for fluorescence-based indicators of other metal ions (i.e., Mg2+, Zn2+) review Indicators for Ca2+, Mg2+, Zn2+ and Other Metal Ions—Chapter 19 in the Molecular Probes® Handbook.

For Research Use Only. Not for human or animal therapeutic or diagnostic use.
For Research Use Only. Not for use in diagnostic procedures.

Specifications

Indicator Type: Calcium Indicator
Indicator Properties: Fluorescent Dye-Based
For Use With (Equipment): Microplate Reader, Fluorescent Imager, Confocal Microscope, HTS Reader, High Content Instrument, Fluorescence Microscope
Cell Permeability: Cell-Permeant
Product Size: 10 x 50 µg
Detection Method: Fluorescent
Shipping Condition: Room Temperature

Contents & storage

Store in freezer (-5 to -30°C) and protect from light.

Documents

Manuals & protocols