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Membrane Probes

MB 1Currently, we offer 2 classes of membrane probes, fluorescent or phosphorescent, each with different hydrophobic chain lengths.

Our fluorescent Membrane Blue™ range of probes, have a cationic water soluble fluorescent head-group, with different hydrophobic chains, ideal for membrane insertion. The absorption peaks at 320 nm with a weaker band at 350 nm. The  fluorescence emission is centered ~ 440 nm in the blue. The mean lifetime is approximately 16 ns for all 4 probes. The Stern-Volmer quenching constants for all 4 probes for aqueous chloride ions ~ 100 M-1.

Membrane Blue 1™ -(CH2)5CH3
Membrane Blue 2™ – (CH2)8CH3
Membrane Blue 3™ – (CH2)10CH3
Membrane Blue 4™ –(CH2)14CH3

PhosMembrane 3Our phosphorescent Phos Membrane™ range of probes, also have a cationic water soluble head group, with different hydrophobic chains, ideal for membrane/lipid insertion. The probes can be excited from 300-350 nm and show a fluorescent band at ~ 390 nm and a phosphorescent band at ~ 540 nm. Both the fluorescent and phosphorescent bands show a notable Stokes Shift, ideal for imaging applications.  The phosphorescent band (T1 emission) is much stronger than the fluorescent band (S1) when the probes are membrane inserted. The phosphorescence (triplet) lifetime is ~ 175 µS for all four Phos Membrane™ probes.

Phos Membrane 1™ -(CH2)5CH3
Phos Membrane 2™ – (CH2)8CH3
Phos Membrane 3™ – (CH2)10CH3
Phos membrane 4™ –(CH2)14CH3

 

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Membrane Probes

Membrane Blue 1™ is a highly...

Sales price: $199.99

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Membrane Blue 2™ is a highly...

Sales price: $199.99

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Membrane Blue 3™ is a highly...

Sales price: $199.99

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Membrane Blue 4™ is a highly...

Sales price: $199.99

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The Membrane Blue kit™ contains all 4...

Sales price: $599.00

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Phos Membrane 1™ is a highly...

Sales price: $199.00

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Phos Membrane 2™ is a highly...

Sales price: $199.00

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Phos Membrane 3™ is a highly...

Sales price: $199.00

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