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341738

Sigma-Aldrich

Sulforhodamine B, acid form

laser grade, Dye content 95 %

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About This Item

Formule empirique (notation de Hill):
C27H30N2O7S2
Numéro CAS:
2609-88-3
Poids moléculaire :
558.67
Numéro CE :
220-025-2
Numéro MDL:
MFCD00067690
Code UNSPSC :
12352103
ID de substance PubChem :
57649121
Nomenclature NACRES :
NA.23

Qualité

laser grade

Niveau de qualité

200

Forme

solid

Composition

Dye content, 95%

Pf

>300 °C (lit.)

λmax

558 nm

Chaîne SMILES 

CCN(CC)c1ccc2c(OC3=CC(\C=CC3=C2c4ccc(cc4S([O-])(=O)=O)S(O)(=O)=O)=[N+](/CC)CC)c1

InChI

1S/C27H30N2O7S2/c1-5-28(6-2)18-9-12-21-24(15-18)36-25-16-19(29(7-3)8-4)10-13-22(25)27(21)23-14-11-20(37(30,31)32)17-26(23)38(33,34)35/h9-17H,5-8H2,1-4H3,(H-,30,31,32,33,34,35)

Clé InChI

IOOMXAQUNPWDLL-UHFFFAOYSA-N

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Description générale

Sulforhodamine B (SRB) is a fluorescent protein dye. It was reported that the dye binds itself to the amino acid residues of tricholoroacetic acid fixed cells in mild basic conditions and extracts itself into the solution under mild acidic conditions.

Application

pH sensitive of SRB towards it reactivity to living cells renders it useful for scaling drug induced cytotoxicity and cell proliferations. SRB assay was used to monitor the enzymatic activity of living cells.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
MKCL1013
20223EA
05605DC
04920EQ
11917BU

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Wieland Voigt
Methods in molecular medicine, 110, 39-48 (2005-05-20)
The sulforhodamine B (SRB) assay was developed by Skehan and colleagues to measure drug-induced cytotoxicity and cell proliferation for large-scale drug-screening applications. Its principle is based on the ability of the protein dye sulforhodamine B to bind electrostatically and pH
Efficacy of 5-FU or Oxaliplatin Monotherapy over Combination Therapy in Colorectal Cancer.
Toloudi M, et al.
Journal of Cancer Therapy, 6(4), 345-345 (2015)
Fujun Han et al.
Cytometry. Part A : the journal of the International Society for Analytical Cytology, 81(6), 532-540 (2012-05-11)
Multiparametric image analysis is highly preferable in revealing complicated biological processes. The multiplexing capability is demanding and is limited by spectral overlap of fluorescent dyes and the number of fluorescent channels available in an imaging platform, especially when both nuclear
Katarzyna Sokołowska et al.
American journal of botany, 99(11), 1745-1755 (2012-11-06)
The picture of how long-distance transport proceeds in trees is still far from being complete. Beside the apoplasmic pathway, transport undoubtedly also takes place within the system of living cells in the secondary xylem and cambial region. Because detailed, thorough
Lindsay N Sanford et al.
Analytical biochemistry, 434(1), 26-33 (2012-11-13)
Accurate control of the sample temperature during thermal cycling is critical for successful polymerase chain reaction (PCR). Direct sensor contact with the reaction is problematic, forcing measurements external to the sample and compromising accuracy during rapid temperature transitions. The widespread
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