18846
Atto 655 Phalloidin
suitable for fluorescence, ≥90.0% (sum of isomers, HPLC)
Sinonimo/i:
Atto 655 Phalloidin
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About This Item
Codice UNSPSC:
12352108
NACRES:
NA.32
Prodotti consigliati
Saggio
≥90.0% (sum of isomers, HPLC)
Forma fisica
solid
Produttore/marchio commerciale
ATTO-TEC GmbH
Trasmittanza
254 nm
655 nm
Fluorescenza
λex 663 nm; λem 684 nm in 0.1 M phosphate pH 7.0
Assorbanza UV
λ: 651- 657 nm Amax
Compatibilità
suitable for fluorescence
Temperatura di conservazione
−20°C
Descrizione generale
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.
Applicazioni
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.
Note legali
This product is for Research use only. In case of intended commercialization, please contact the IP-holder (ATTO-TEC GmbH, Germany) for licensing.
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
Certificati d'analisi (COA)
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Articoli
Atto dyes are a series of fluorescent dyes that meet the critical needs of modern fluorescent technologies.
Il team dei nostri ricercatori vanta grande esperienza in tutte le aree della ricerca quali Life Science, scienza dei materiali, sintesi chimica, cromatografia, discipline analitiche, ecc..
Contatta l'Assistenza Tecnica.