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C9999

Citrate Buffer, pH 6.0, 10×, Antigen Retriever

for immunohistochemistry

Sinónimos:

1,2,3-Propanetricarboxylic acid, 2-hydroxy-, mixt. with sodium hydroxide (Na(OH)) and sodium 2-hydroxy-1,2,3-propanetricarboxylate

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Talla/SKUDisponibilidadPrecio
100 mL
Comprobar disponibilidad del carrito
$141.000
1000 mL
Comprobar disponibilidad del carrito
$291.000

Acerca de este artículo

NACRES:
NA.47
UNSPSC Code:
12352107

$141.000


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Quality Segment

form

liquid

pH

6.0

application(s)

hematology
histology

storage temp.

2-8°C

Application

Citrate Buffer, pH 6.0, 10×, Antigen Retriever has been used as a heat-induced antigen retriever on formalin-fixed paraffin-embedded (FFPE) tissue sections prior to application of antibodies or DNA fluorescent in situ hybridization. In immunohistochemistry (IHC), most commonly used fixatives such as formalin mask tissue antigens (cellular, membrane, and nuclear) by their intrinsic crosslinking. This masking results in poor or no staining in IHC. The use of Citrate buffer, pH 6.0, or other antigen retrieval solutions on FFPE tissue sections improves accessibility of antibodies to tissue antigens.

Preparation Note

Dilute the Citrate buffer, pH 6.0, 10x, Antigen Retriever 10-fold with water to prepare a 1x Working Solution, e.g., dilute 10 mL of 10x concentrate with 90 mL of water.
Store the product at 2–8 °C. Do Not Freeze to prevent possible precipitation.

Other Notes

Occasionally the buffer may contain a yellowish tinge. This is due to preservative and will not affect the function of the buffer.
Store the prepared 1′ Citrate buffer, pH 6.0, Working Solution at 2–8 °C.

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Este artículo
T645521545E1161
description

for immunohistochemistry

description

-

description

-

description

-

Quality Level

100

Quality Level

100

Quality Level

-

Quality Level

200

form

liquid

form

-

form

liquid

form

-

application(s)

hematology
histology

application(s)

hematology
histology

application(s)

-

application(s)

hematology
histology

pH

6.0

pH

10

pH

-

pH

8.5

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

-

storage temp.

2-8°C


Clase de almacenamiento

12 - Non Combustible Liquids

Punto de inflamación (°F)

Not applicable

Punto de inflamación (°C)

Not applicable



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Questions

1–4 of 4 Questions  
  1. Can you provide the composition of C9999-1000? Specifically, does it contain any detergents such as Tween?

    1 answer
    1. The proprietary information ont his product is not available

      Helpful?

  2. Is this a mixture from trisodium citrate and citric acid? I have looked through the SDS and the mixture of the chemical is <0.025% of 5-Chloro-2-methyl-4-isothiazolin-3-one and another chemical. I can't seem to find how they would make up a citrate buffer

    1 answer
    1. The specific formulation is considered proprietary, however, the final citrate concentration is 0.1M. The SDS lists only the potentially hazardous ingredients. The 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-2H-isothiazol-3-one (3:1) listed is essentially ProClin which acts as a preservative. Please see the link below to review the product datasheet for additional information:
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/748/563/c9999pis.pdf

      Helpful?

  3. What molarity does this buffer have?

    1 answer
    1. Product C9999 is provided at a concentration of 0.1 M. It'll be 10 mM when diluted. The solution contains 116.25 mM Tri-NaCitrate, 10.25 mM EDTA, 0.5 % ProClin, and other proprietary materials.

      Helpful?

  4. Is this Citrate buffer already included Tween 20?

    1 answer
    1. The composition of this buffer is considered proprietary. However, citrate solutions commonly used for antigen retrieval do not contain detergents. This product does contain a preservative which may contribute to the color of the solution. This does not effect the performance of the product in any way. Please see the link below to reivew a general antigen retrival protocol using Citrate Buffer. Note that Tween 20 is used in the wash solution following treatment with Citrate Buffer.

      IHC World
      https://www.ihcworld.com/_protocols/epitope_retrieval/citrate_buffer.htm

      Helpful?

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