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1.02419

Sigma-Aldrich

Oil red O staining solution

for the detection of neutral lipids in cryo sections for microscopy

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250 ML
130,00 €

130,00 €


Date d'expédition estimée le24 février 2025Détails


Devis pour commande en gros

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Changer de vue
250 ML
130,00 €

About This Item

Code UNSPSC :
41116124
Nomenclature NACRES :
NA.41

130,00 €


Date d'expédition estimée le24 février 2025Détails


Devis pour commande en gros

Niveau de qualité

Forme

liquid

IVD

for in vitro diagnostic use

Technique(s)

microbe id | staining: suitable

Température de transition

flash point -11 °C

Densité

0.838 g/cm3

Application(s)

clinical testing
diagnostic assay manufacturing
hematology
histology

Température de stockage

15-25°C

Description générale

Oil red O staining solution - for the detection of neutral lipids in cryosections - for microscopy, is ready-to-use staining solution that results in a brilliant, bright red staining of lipds (triglycerides), while the nuclei are counterstained blue with Hematoxylin solution acc. to Gill II (Product number 1.05175). Oil red O staining is used for the detection of neutral fat or polyethylene granula in e. g. histological tissues of human origin, in joint pathology or in cytological sample material. The stain is carried out on cryo sections of native tissue.
Approx. 200 stains can be performed with one 250 ml bottle. This product is registered as IVD and CE marked. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.

Remarque sur l'analyse

Suitability for microscopy: passes test
Lipids: bright red
Nuclei: blue

Pictogrammes

FlameExclamation mark

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Organes cibles

Central nervous system

Risques supp

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

12.2 °F

Point d'éclair (°C)

-11 °C


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Questions

1–4 of 4 Questions  
  1. Need to know whether or not the Oil red O staining solution (1024190250) works in mice liver?

    1 answer
    1. Oil Red O is soluble in water and the solubility test is conducted to 1 mg per ml. The actual maximum solubility can be higher, up to 10 mg/ml, although this may. However, the solubility test is specific to water and may differ if used in agar.

      Helpful?

  2. Does Oil Red O staining solution 1024190250 also work for cells in culture?

    1 answer
    1. Product 1024190250 is intended for In Vitro Diagnostic Use, and the Instructions For Use mention staining cryosections but not cultured cells attached to either a culture plate or a chamber slide. Staining cultured cells would be considered "off label" use and would require validation, especially in a clinical lab setting. If the dry dye is used to prepare Oil Red O staining solution, the process for preparing the staining solution would be the same for both cryosections and cells attached to a cell culture plate or chamber slide.

      Helpful?

  3. Is the Propanol in the Oil red O staining solution Halal en Kosher ?

    1 answer
    1. The Oil red O staining solution is prepared with ethanol and acetone. Neither of these components are certified Kosher or Halal. The staining protocol requires 2-propanol. In the product information sheet 1.09634, 2-isopropanol, is suggested. This product is also not certified Halal or Kosher. See the link below to review this protocol:
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/374/144/102419-en.pdf

      The food grade 2-propanol products do offer this certification. See the link below for an example: https://www.sigmaaldrich.com/US/en/product/aldrich/w292907

      Helpful?

  4. Does this work to in mouse liver frozen slices?

    1 answer
    1. Oil Red O lacks the specificity of an antibody. The basic theory of fat or lipid staining is that the dye is dissolved in a solvent with minimal solubility. A working solution is made just prior to use to further decrease the solubility. The dye then moves from the solution with minimal solubility to the solvent where there is better solubility. In this case the dye moves from the solution to the fat or lipid being stained. It matters not whether the tissue is from a human, mouse or other animals.

      This information is true to most fat or lipid stains. But with Oil Red O the solution is prepared to a working solution and no further dilution is required.

      Helpful?

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