The albumin is heat shock fractionated from bovine serum. No buffer is added during this process.
A9647
Seroalbúmina bovina
heat shock fraction, pH 7, ≥98%
Sinónimos:
Albúmina bovina, Albúmina sérica bovina, BSA
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About This Item
Productos recomendados
biological source
bovine
Quality Level
assay
≥98%
form
lyophilized powder
mol wt
~66 kDa
purified by
heat shock fractionation
origin
USA origin
technique(s)
immunocytochemistry: suitable
impurities
≤5.0% Loss on drying
loss
≤5%
pH
7
solubility
water: soluble (40 mg/ml)
UniProt accession no.
foreign activity
BT virus, none detected
VSV virus, none detected
storage temp.
2-8°C
Gene Information
bovine ... ALB(280717)
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General description
Application
- La BSA se ha utilizado en cultivos celulares, por ejemplo, como suplemento en medios preparados para el cultivo de oligodendrocitos.[4]
- La BSA se ha utilizado para la dilución de las disoluciones de anticuerpo primario en los procedimientos inmunohistoquímicos.[5]
- La BSA se ha utilizado como patrón en el método Bradford de cuantificación de proteínas.[6]
- La BSA se ha utilizado en la disolución amortiguadora de bloqueo y permeabilización durante los estudios de inmunofluorescencia.[7]
Biochem/physiol Actions
Preparation Note
also commonly purchased with this product
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Artículos
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Protocolos
To measure alcohol dehydrogenase activity, this assay uses β-nicotinamide adenine dinucleotide phosphate and a continuous spectrophotometric rate determination at 340 nm.
Use this protocol to for the entire immunohistochemistry (IHC) procedure through staining and visualization of specific antigens in paraffin-embedded tissue sections.
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What buffer the buffer it is lyophilized in?
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Is this product protease-free?
1 answer-
This product has not been tested for protease activity. Please see the link below to review other BSA products that are listed as protease-free:
https://www.sigmaaldrich.com/product/compare?term=&focus=products&page=1&perpage=30&sort=relevance&type=product&products=A7030%3ASIGMA%3Asial%2CA3059%3ASIGMA%3Asial%2CA3294%3ASIGMA%3AsialHelpful?
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Is this product suitable for using as protein standard when measuring concentration by spectrophotometry?
1 answer-
This product has been cited for as use protein standard in Bradford's method for spectrophotometric determination of protein. The article is accessible at this link: https://www.sciencedirect.com/science/article/pii/S0946672X20302698
Please refer to the table for a description of each albumin product. Based on customer input and literature reports, the following table lists product numbers which have successfully been used for specific applications. The list is not comprehensive, and product numbers not listed may often be substituted. It is available at this link: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/111/538/albumin-application-selection-guide.pdf
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What is the difference between Albumin A7906 and Albumin A9647 ?
1 answer-
Product A9647 and A7906 are identical. The only difference is that product A7906 offers 5 KG and 10 KG pack sizes.
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What is the molecular weight of Product A9647, Albumin from bovine serum?
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The molecular weight of BSA is 66,430.
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How can the concentration of a solution of Product A9647, Albumin from bovine serum, be quantified?
1 answer-
The concentration of a solution of BSA can be measured by using the extinction coefficient (E1%) of 6.67. The 1% refers to a solution that is 1% weight-to-volume (i.e., 10 mg/mL).
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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What is the pH of a solution of Product A9647, Albumin from bovine serum?
1 answer-
The pH of a 1% solution is approximately 7.0, according to the product specifications.
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