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重要文件

45260

Sigma-Aldrich

伊红 B

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

同義詞:

4′,5′-二溴-2′,7′-二硝基荧光素 二钠盐, Saffrosine, 伊红猩红, 伊红蓝, 酸性红91

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About This Item

線性公式:
C20H6N2O9Br2Na2
CAS號碼:
分子量::
624.06
顏色索引編號:
45400
Beilstein:
4121964
EC號碼:
MDL號碼:
分類程式碼代碼:
12171500
PubChem物質ID:
NACRES:
NA.47

等級

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

技術

titration: suitable

λmax

509-524 nm

SMILES 字串

[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 密鑰

GYYTYUGGVBYJHE-UHFFFAOYSA-L

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一般說明

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

應用

Eosin B is an adsorption and fluorescent indicator in microscopy.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


分析證明 (COA)

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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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