PBlue: Fluorescent Dye

(DB-411500)

PBlue is a blue fluorescent dye that is structurally identical to Pacific Blue. Its bright fluorescence, high quantum yield, and strong signal at neutral pH make it an excellent choice for flow cytometry, fluorescence microscopy, and biomolecule labeling applications.


Its hydrophilic nature makes it an ideal choice for labeling sensitive proteins. PBlue is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues.

Chemical structure of PBlue
Chemical structure of PBlue over a fluorescence microscopy image

Package size

Chemical structure of PBlue
Chemical structure of PBlue over a fluorescence microscopy image

Key Parameters: Great brightness and pH stability with lower costs

High photostability and pH stability

Applications: Confocal Microscopy, Super Resolution Microscopy, Flow Cytometry (FACS), cell cultures and tissue labeling

Lower Cost Alternative: Same Spectral Properties & Performance – Works exactly like Pacific Blue at a more accessible price

Complete Compatibility – Can be used in any existing protocol that uses Pacific Blue

PBlue: Pick your modification

Name (click for product information)

Price

Lead Time

PBlue NHS ester

From 80 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

PBlue Carboxylic Acid

From 80 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

PBlue Amine

From 88 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

PBlue Alkyne

From 88 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

PBlue Azide

From 88 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

PBlue PEG4-Alkyne

From 88 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

PBlue PEG4-Azide

From 88 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

PBlue DBCO

From 88 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

PBlue Maleimide

From 88 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

PBlue PEG5-Biotin

From 109 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

PBlue TCO

From 177 EUR / 1 mg

1–2 days (CZ) / within 7 days (EU)

Optical Data of PBlue

Name

Color

Excitation (nm)

Emission (nm)

Extinction coefficient (ε)

Cell Permeability

PBlue

Blue

404

455

46 000

Depends on conjugate and reactive group

PBlue: Absorption and emission spectra of PBlue

Excitation and emission spectra of PBlue
Absorption and emission spectra of PBlue:The absorption and emission spectra of PBlue visualized. The absorption peak at 404 nm ensures efficient excitation, while the emission peak at 455 nm provides strong fluorescence for high-sensitivity detection. Thanks to its high photostability, excellent pH resistance, and superior brightness, PBlue is ideal for flow cytometry, confocal microscopy, and labeling of cell cultures and tissues.

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