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A9941

Sigma-Aldrich

2,2′-azino-bis(acido 3-etilbenzotiazolina-6-solfonico)

chromogenic, tablet

Sinonimo/i:

AzBTS-(NH4)2, Diammonio 2,2′-azino-bis(3-etilbenzotiazolina-6-solfonato)

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About This Item

Formula empirica (notazione di Hill):
C18H24N6O6S4
Numero CAS:
Peso molecolare:
548.68
Beilstein:
7329461
Numero CE:
Numero MDL:
Codice UNSPSC:
12352204
ID PubChem:
NACRES:
NA.21

Nome del prodotto

2,2′-azino-bis(acido 3-etilbenzotiazolina-6-solfonico), tablet, 10 mg substrate per tablet

Livello qualitativo

Stato

tablet

Solubilità

deionized water: 100 mL

Temperatura di conservazione

room temp

Stringa SMILE

[NH4+].[NH4+].CCN1C(\Sc2cc(ccc12)S([O-])(=O)=O)=N\N=C3/Sc4cc(ccc4N3CC)S([O-])(=O)=O

InChI

1S/C18H18N4O6S4.2H3N/c1-3-21-13-7-5-11(31(23,24)25)9-15(13)29-17(21)19-20-18-22(4-2)14-8-6-12(32(26,27)28)10-16(14)30-18;;/h5-10H,3-4H2,1-2H3,(H,23,24,25)(H,26,27,28);2*1H3/b19-17-,20-18-;;
OHDRQQURAXLVGJ-AXMZSLBLSA-N

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Descrizione generale

ABTS mainly used in ELISA (enzyme-linked immunosorbent assay) procedures.
ABTS, 2,2′-Azino-bis(3-ethylbenzthiazoline-6-sulfonic acid), is a chromogenic substrate used:
  • For a reaction with laccase or bilirubin oxidase
  • For a reaction with peroxidase enzymes: (like HRP for example). ABTS in combination with hydrogen peroxide
A peroxidase reaction of ABTS in the presence of hydrogen peroxide produces a green soluble end product which can be read spectrophotometrically at 405nm. The reaction may be stopped with 1% sodium dodecyl sulfate (SDS).
ABTS, 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt is light sensitive, and water soluble chemical compound

Applicazioni

Il 2,2′-azino-bis(acido 3-etilbenzotiazolina-6-solfonico) è un substrato della perossidasi adatto all′uso nelle procedure ELISA. Il substrato dà luogo a un prodotto finale solubile di colore verde che può essere identificato con lettura spettrofotometrica a 405 nm. La reazione può essere arrestata con sodio dodecil solfato (SDS) all′1%. Consigliato per procedure ELISA (in micropozzetti); non indicato per applicazioni su membrana.
  • 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt, ABTS, has been used as a substrate in ELISA (enzyme-linked immunosorbent assay).†
  • ABTS is also used to measure glucose concentrations in different solutions including blood serum.
  • The food industry uses ABTS to measure the antioxidant capacities within different foods.
  • Since it is less readily oxidized than TMB and OPD substrates, ABTS is less sensitive for ELISA applications. Thus ABTS has some advantageous over TMB and OPD in cases of large background results
  • It is recommended for ELISA (microwell) procedures, not recommended for membrane applications.

Ricostituzione

Dissolve 1 tablet in 100 ml of 0.05 M phosphate-citrate buffer, pH 5.0 (Tablets available as Sigma Product No. P4809). Add 25 μl of fresh 30% hydrogen peroxide

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

dust mask type N95 (US), Eyeshields, Gloves


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B Porstmann et al.
Journal of clinical chemistry and clinical biochemistry. Zeitschrift fur klinische Chemie und klinische Biochemie, 19(7), 435-439 (1981-07-01)
o-Phenylenediamine, 2,2'-azino-di(3-ethylbenzthiazoline sulphonic acid-6) (ABTS), o-dianisidine and 4-aminoantipyrine were compared as chromogens for the determination of horseradish peroxidase. Highest sensitivity in the determination of horseradish peroxidase-IgG conjugates in dissolved form was obtained with o-phenylenediamine. When these conjugates were used in
Vignesh Narayanaswamy et al.
Breastfeeding medicine : the official journal of the Academy of Breastfeeding Medicine, 16(12), 987-994 (2021-08-13)
Objective: To evaluate the immune response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in colostrum from women who tested positive for the virus. Methods: Between March and September 2020 we obtained bilateral colostrum samples collected on spot cards within
H Gallati
Journal of clinical chemistry and clinical biochemistry. Zeitschrift fur klinische Chemie und klinische Biochemie, 17(1), 1-7 (1979-01-01)
The reaction of the two substrates hydrogen peroxide and ABTS with horseradish peroxidase was studied kinetically. Enzyme activity was determined as a function of substrate concentration and pH. Michaelis constants were determined for the two substrates at various pH values.
Da Di et al.
Pathogens (Basel, Switzerland), 10(8) (2021-08-29)
The SARS-CoV-2 nucleocapsid protein (N) binds a single-stranded viral RNA genome to form a helical ribonucleoprotein complex that is packaged into virion particles. N is relatively conserved among coronaviruses and consists of the N-terminal domain (NTD) and C-terminal domain (CTD)
Development of a feline proinsulin immunoradiometric assay and a feline proinsulin enzyme-linked immunosorbent assay (ELISA): A novel application to examine beta cell function in cats
Kley S, et al.
Domestic Animal Endocrinology, 311-318 (2008)

Articoli

Nitroblue Tetrazolium (NBT) is used with the alkaline phosphatase substrate 5-Bromo- 4-Chloro-3-Indolyl Phosphate (BCIP) in western blotting and immunohistological staining procedures. These substrate systems produce an insoluble NBT diformazan end product that is blue to purple in color and can be observed visually.

Protocolli

This procedure may be used for all Alcohol Oxidase products.

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