Phalloidine conjugaties

Leverancier: Biotium
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00051.EA 685 EUR
00051. 00050-T 00041. 00053. 00051-T 00052-T 00053-T 00034-T 00048. 00028. 00032. 00044. 00034. 00046. 00050. 00030. 00052. 00042. 00041-T 00042-T 00043-T 00044-T 00045-T 00046-T 00047-T 00048-T 00049-T 00047. 00027. 00049. 00043. 00033. 00045.
Phalloidine conjugaties
Koppelings- en labelingssystemen voor eiwitten
  • Choice of 18 bright and photostable CF® dyes, biotin, or other common fluorophores
  • Dye options for super-resolution and 2-photon imaging
  • Excellent signal to background with negligible non-specific staining

Fluorescently-labeled phalloidins bind to F-actin with nanomolar affinity. Labeled phalloidins have similar affinity for both large and small filaments, binding in a stoichiometric ratio of about one phalloidin molecule per actin subunit in muscle and nonmuscle cells from various species of plants, animals and fungi. Different from antibodies, the binding affinity of phalloidin does not change significantly with actin among different species.

Fluorescently-labeled phalloidin is typically used to stain fixed and permeabilised cells. Labeled phalloidins are not cell-permeant and have therefore has not been used extensively with living cells, however they can be loaded into live cells via cationic liposomes.

Biotium's next-generation CF® dyes were designed to be highly water-soluble with advantages in brightness and photostability compared to Alexa Fluor®, DyLight®, and other fluorescent dyes.

Bestelinformatie: Supplied as lyophilised solid in 50 U and 300 U sizes. Typical staining concentration for F-actin in fixed and permeabilised cells is 5 U/ml.

Leveringsinformatie: Wordt geleverd als gevriesdroogd poeder.

Verpakking: Phalloidin stock solutions are very stable. But binding of fluorescent phalloidins to cells is more labile than other probes, such as antibodies, and staining can become non-specific or lost over time. For best results, store phalloidin-stained samples in a suitable mounting medium at 4 °C, protected from light. For certain phalloidin conjugates, especially CF®405M, CF®555, CF®647, and CF®680, Biotium recommends imaging immediately or shortly after staining. Staining with Biotium's other CF® dye phalloidins usually is stable for up to a week when specimens are stored at 4 °C, protected from light.
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