10236276001
Roche
4′,6-diamidino-2-fenilindolo
4′,6-Diamidine-2′-phenylindole dihydrochloride
Sinonimo/i:
2-(4-amidinofenil)-6-indolocarbammidina, DAPI
Autenticatiper visualizzare i prezzi riservati alla tua organizzazione & contrattuali
About This Item
Formula empirica (notazione di Hill):
C16H15N5 · 2HCl
Numero CAS:
Peso molecolare:
350.25
Beilstein:
4894417
Numero MDL:
Codice UNSPSC:
41116100
ID PubChem:
Prodotti consigliati
Livello qualitativo
Saggio
>90%
Stato
powder
Confezionamento
pkg of 10 mg
Produttore/marchio commerciale
Roche
λmax
340 nm in aq. suspension
Fluorescenza
λex 340 nm; λem 488 nm (nur DAPI)
λex 364 nm; λem 454 nm (DAPI-DNA-Komplex)
Temperatura di conservazione
room temp
Stringa SMILE
Cl.Cl.NC(=N)c1ccc(cc1)-c2cc3ccc(cc3[nH]2)C(N)=N
InChI
1S/C16H15N5.2ClH/c17-15(18)10-3-1-9(2-4-10)13-7-11-5-6-12(16(19)20)8-14(11)21-13;;/h1-8,21H,(H3,17,18)(H3,19,20);2*1H
FPNZBYLXNYPRLR-UHFFFAOYSA-N
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Categorie correlate
Applicazioni
DAPI è parecchie volte più sensibile del bromuro di etidio per colorare il DNA in gel di agarosio.
DAPI è parecchie volte più sensibile del bromuro di etidio per colorare il DNA in gel di agarosio. Può essere impiegato per fotoimpronte del DNA, rivelare sonde ibridizzate in applicazioni blotting visualizzando specificamente il complesso a doppio filamento, studiare i cambiamenti nel DNA e analizzare con la citometria di flusso il contenuto di DNA durante l′apoptosi. La colorazione via DAPI si è dimostrata un metodo di rivelazione sensibile e specifico dei micoplasma.
DAPI is a fluorescent dye that binds selectively to double-stranded DNA and forms strongly fluorescent DNA-DAPI complexes with high specificity. It is commonly used to detect mycoplasma in cell culture via fluorescence microscopy.
Azioni biochim/fisiol
Sonda fluorescente per DNA permeabile alle cellule che si attacca al solco minore. Si attacca al solco minore del DNA a doppio filamento (preferenzialmente a DNA ricco di T) a formare un complesso stabile con una fluorescenza circa 20 volte maggiore del DAPI da solo.
Qualità
Purity: >90% (from N)
Principio
The fluorescent dye DAPI binds selectively to DNA and forms strongly fluorescent DNA-DAPI complexes with high specificity. DAPI, once added to tissue culture cells, is rapidly taken up into cellular DNA, yielding highly fluorescent nuclei and no detectable cytoplasmic fluorescence. When the cells are contaminated with Mycoplasmas, characteristic discrete fluorescent foci are readily detected over the cytoplasm and sometimes in intercellular spaces.
Nota sulla preparazione
Working solution: Solubility: 25 mg/ml in water
Preparation of stock solution
Dissolve in double-dist. water to a final concentration of 1 to 5 mg/ml.
Note: Do not use any buffers.
Preparation of working solution
Dilute the stock solution with methanol to a final concentration of 1 μg/ml. The working solution is stable at 2 to 8 °C for about 6 months.
Storage conditions (working solution): Stock solution (1 to 5 mg/ml) at -15 to -25 °C for 12 months.
Working solution (1μg/ml) at 2 to 8 °C for about 6 months.
Preparation of stock solution
Dissolve in double-dist. water to a final concentration of 1 to 5 mg/ml.
Note: Do not use any buffers.
Preparation of working solution
Dilute the stock solution with methanol to a final concentration of 1 μg/ml. The working solution is stable at 2 to 8 °C for about 6 months.
Storage conditions (working solution): Stock solution (1 to 5 mg/ml) at -15 to -25 °C for 12 months.
Working solution (1μg/ml) at 2 to 8 °C for about 6 months.
Ricostituzione
In 2 to 10 ml double-dist. water; 1 to 5 mg/ml final concentration.
Note: Prepare aliquots and store at -15 to -25 °C.
Note: Prepare aliquots and store at -15 to -25 °C.
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 2
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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