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Merck
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주요 문서

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45260

Sigma-Aldrich

Eosin B

for microscopy (Fl., Hist.), adsorption and fluorescent indicator

동의어(들):

4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt, Acid Red 91, Eosin Scarlet, Eosin bluish, Saffrosine

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About This Item

Linear Formula:
C20H6N2O9Br2Na2
CAS Number:
548-24-3
Molecular Weight:
624.06
색상 지수 번호:
45400
Beilstein:
4121964
EC Number:
208-943-1
MDL number:
MFCD00005041
UNSPSC 코드:
12171500
PubChem Substance ID:
329756626
NACRES:
NA.47

Grade

adsorption and fluorescent indicator
for microscopy (Fl., Hist.)

기술

titration: suitable

λmax

509-524 nm

SMILES string

[Na+].[Na+].[O-]C(=O)c1ccccc1C2=C3C=C(C(=O)C(Br)=C3Oc4c(Br)c([O-])c(cc24)[N+]([O-])=O)[N+]([O-])=O

InChI

1S/C20H8Br2N2O9.2Na/c21-14-16(25)11(23(29)30)5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(24(31)32)17(26)15(22)19(10)33-18(9)14;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2

InChI key

GYYTYUGGVBYJHE-UHFFFAOYSA-L

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일반 설명

Eosin B is a fluorescent red dye that is used in microscopy to visualise cytoplasm and proteins like collagen.

애플리케이션

Eosin B is an adsorption and fluorescent indicator in microscopy.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)

시험 성적서(COA)

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문서 라이브러리 방문

Chloé E Atreya et al.
The Journal of biological chemistry, 278(16), 14092-14100 (2003-01-31)
Protozoal parasites are unusual in that their thymidylate synthase (TS) and dihydrofolate reductase (DHFR) enzymes exist on a single polypeptide. In an effort to probe the possibility of substrate channeling between the TS and DHFR active sites and to identify
Xu Wang et al.
Electrophoresis, 31(23-24), 3808-3815 (2010-11-17)
In this study, we describe an effective visualizing technique for proteins in SDS-PAGE based on the organic dye, Eosin B, the sensitivity of which can be further strengthened by the addition of magnesium to the staining solution after electrophoresis. The
Jishu Naskar et al.
Organic & biomolecular chemistry, 9(19), 6610-6615 (2011-08-13)
Self-assembling short peptides can offer an opportunity to make useful nano-/microstructures that find potential application in drug delivery. We report here the formation of multivesicular structures from self-assembling water-soluble synthetic amphiphilic dipeptides containing a glutamic acid residue at the C-terminus.
A A Waheed et al.
Analytical biochemistry, 287(1), 73-79 (2000-11-18)
Eosin B and eosin Y have been used to estimate micro- and submicrogram quantities of proteins respectively as shown in our previous reports. In the present study we describe the mechanism of eosin binding to proteins. At pH lower than
Kristen M Massimine et al.
Antimicrobial agents and chemotherapy, 50(9), 3132-3141 (2006-08-31)
4',5'-Dibromo-2',7'-dinitrofluorescein, a red dye commonly referred to as eosin B, inhibits Toxoplasma gondii in both enzymatic and cell culture studies with a 50% inhibitory concentration (IC(50)) of 180 microM. As a non-active-site inhibitor of the bifunctional T. gondii dihydrofolate reductase-thymidylate
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