18846
Atto 655 Phalloidin
suitable for fluorescence, ≥90.0% (sum of isomers, HPLC)
Sinonimo/i:
Atto 655 Phalloidin
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Cambia visualizzazione
| Taglio della confezione | SKU | Disponibilità | Prezzo |
|---|---|---|---|
| 10 nmol | Per conoscere la disponibilità, visualizza il carrello | CHF 709.00 |
Informazioni su questo articolo
NACRES:
NA.32
UNSPSC Code:
12352108
Servizio Tecnico
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Permettici di aiutartiQuality Segment
assay
≥90.0% (sum of isomers, HPLC)
form
solid
manufacturer/tradename
ATTO-TEC GmbH
transmittance
254 nm, 655 nm
fluorescence
λex 663 nm; λem 684 nm in 0.1 M phosphate pH 7.0
UV absorption
λ: 651- 657 nm Amax
suitability
suitable for fluorescence
storage temp.
−20°C
General description
Atto 655 belongs to a new generation of fluorescent labels. The dye is designed for application in the area of life science, e.g. labeling of DNA, RNA or proteins. Characteristic features of the label are strong absorption, good fluorescence quantum yield, excellent thermal and photo-stability, outstanding ozone resistance, very good water solubility, and very little triplet formation. Atto 655 is a zwitterionic dye with a net electrical charge of zero. The fluorescence is efficiently quenched by electron donors like guanine, tryptophan, etc.Phalloidin is a fungal toxin isolated from the poisonous mushroom Amanita phalloides. Its toxicity is attributed to the ability to bind F actin in liver and muscle cells. As a result of binding phalloidin, actin filaments become strongly stabilized. Phalloidin has been found to bind only to polymeric and oligomeric forms of actin, and not to monomeric actin. The dissociation constant of the actin-phalloidin complex has been determined to be on the order of 3 x 10–8. Phalloidin differs from amanitin in rapidity of action; at high dose levels, death of mice or rats occurs within 1 or 2 hours.
Application
Fluorescent conjugates of phalloidin, rhodamine-phalloidin staining reagents, such as Phalloidin–Atto 655 are used to label actin filaments for histological applications. Some structural features of phalloidin are required for the binding to actin. However, the side chain of amino acid 7 (g-dihydroxyleucine) is accessible for chemical modifications without appreciable loss of affinity for actin.
Legal Information
This product is for Research use only. In case of intended commercialization, please contact the IP-holder (ATTO-TEC GmbH, Germany) for licensing.
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Questo articolo | |||
|---|---|---|---|
| suitability suitable for fluorescence | suitability suitable for fluorescence | suitability suitable for fluorescence | suitability suitable for fluorescence |
| fluorescence λex 663 nm; λem 684 nm in 0.1 M phosphate pH 7.0 | fluorescence λex 700 nm; λem 719 nm in 0.1 M phosphate pH 7.0 | fluorescence - | fluorescence - |
| form solid | form powder | form - | form solid |
| storage temp. −20°C | storage temp. −20°C | storage temp. −20°C | storage temp. −20°C |
| Quality Level 100 | Quality Level - | Quality Level 100 | Quality Level 100 |
| assay ≥90.0% (sum of isomers, HPLC) | assay ≥90% (HPLC) | assay ≥90% (HPLC) | assay ≥90% (HPLC) |
Classe di stoccaggio
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Articoli
Atto dyes are a series of fluorescent dyes that meet the critical needs of modern fluorescent technologies.
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Numero articolo commerciale globale
| SKU | GTIN |
|---|---|
| 18846-10NMOL | 04061838758859 |