A3429 and A3179 are the same solution but in different package sizes. No dilution is required for these products, but some customers may prefer a slightly weaker acid differentiation solution. The differentiation time may vary due to staining time and the thickness of the tissue sections being stained.
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A3429
Differentiation Solution
for the differentiation of regressive hematoxylin stains
Synonym(e):
Acid Alcohol
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| Ihnen/SKU | Verfügbarkeit | Preis |
|---|---|---|
4 L | Warenkorb auf Verfügbarkeit prüfen | € 191,00 |
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Unterstützung erhaltenQuality Segment
form
solution
shelf life
40 mo.
color
colorless
application(s)
hematology
histology
storage temp.
room temp
General description
Differentiation solution comprises acidified ethanol or isopropanol that is used to decolorize hematoxylin stain. The duration of exposure to the solution determines the degree of decolorization. Differentiation is a crucial step in hematoxylin-eosin staining to achieve the proper color contrast necessary for visualization, by selectively removing excess hematoxylin from the tissue section and leaving behind the desired staining intensity.
Application
Acidified alcohol solution for the differentiation of regressive hematoxylin stains.
Differentiation solution is employed mainly for the differentiation of regressive hematoxylin stains. It has been used in the following studies:
- the prediction of pulmonary metastasis progression in osteosarcoma patients[1]
- the development of multispectral imaging to detect melanin
Biochem/physiol Actions
In regressive hematoxylin staining, a highly concentrated hematoxylin solution is used to rapidly overstain both nuclei and cytoplasm, and the cytoplasm is subsequently decolorized and excess hematoxylin is removed from the nucleus with dilute acid. Improper differentiation leaves excess residual hematoxylin that obscures the fine details of nuclear structures and chromatin and prevents eosin uptake.
Features and Benefits
- Desired staining patterns can be obtained by varying the degree of exposure to the differentiation solution.
- Results are sharper and more rapid compared to other differentiation methods.
- Crisp and clear differentiation between cellular structures is obtainable when performed according to Sigma-Aldrich Procedure No. GHS.
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|---|---|---|---|
| color colorless | color colorless | color - | color - |
| form solution | form solution | form - | form liquid |
| application(s) hematology | application(s) hematology | application(s) environmental | application(s) - |
| storage temp. room temp | storage temp. room temp | storage temp. - | storage temp. - |
| shelf life 40 mo. | shelf life 40 mo. | shelf life - | shelf life - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 100 |
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signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - Met. Corr. 1 - STOT SE 2
target_organs
Eyes,Central nervous system
Lagerklasse
3 - Flammable liquids
flash_point_f
71.6 °F
flash_point_c
22 °C
Zulassungslistungen
Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.
67-56-1
CAS No.
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Do Differentiation Solutions A3179 and A3429 need to be diluted before use?
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