This product is not tested for the presence of biotin. However, Albumin products prepared by cold ethanol fractionation are expected to be biotin-free.
A4503
Seroalbúmina bovina
cold ethanol fraction, pH 5.2, ≥96%
Sinónimos:
Albúmina bovina, Albúmina sérica bovina, BSA
About This Item
Productos recomendados
biological source
bovine
Quality Level
assay
≥96%
form
lyophilized powder
mol wt
~66 kDa
purified by
cold ethanol fractionation
origin
USA origin
technique(s)
ELISA: suitable
blood typing: suitable
microbiological culture: suitable
impurities
BT and VSV virus, tested
loss
≤5%
pH
5.2
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
Biochem/physiol Actions
Preparation Note
also commonly purchased with this product
comparable product
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Spectrophotometric assay at 260 nm measures nuclease S1 activity, vital for nucleic acid research, with defined enzyme unit criteria.
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Is this product biotin-free?
1 answer-
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Bonjour y a t-il un risque l'altération du produit si la bovin sérum albumine a été conservée pendant 15 heures en dehors du frigo dans une pièce a température ambiante ?
1 answer-
Product A4503 (Bovine Serum Albumin) will not spoil following storage for 15 hours at ambient room temperature.
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can A4503 product be used for primary neuron preparation?
1 answer-
This product has not been evaluated for mammalian cell culture. Please see the datasheet for the recommended applications for this product:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/384/276/a4503dat.pdfHelpful?
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What is the Department of Transportation shipping information for this product?
1 answer-
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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Is Product No. A4503, Albumin from bovine serum, tested and found to be endotoxin-free?
1 answer-
No. If you need such a grade, we would recommend Product No. A8806.
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Is Product No. A4503, Albumin from bovine serum, tested and found to be protease-free?
1 answer-
No. If you need such a grade, we would recommend Product No. A3059.
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Do you offer a kit for conjugating ligands to bovine serum albumin (Product A4503)?
1 answer-
Yes. It is our Product No. MBK1.
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Is Product No. A4503, Albumin from bovine serum, of US origin?
1 answer-
It is typically from animals born and raised in the US. You may confirm this information by downloading the Certificate of Origin (CofO) for any lot of A4503 from our website. From the product detail page, simply type in the lot number in the box below the words Certificate of Origin, and click GO.
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Is Product No. A4053, Albumin from bovine serum, sterile? If not, how would recommend sterilizing it?
1 answer-
This product is not necessarily sterile. Solutions of albumin cannot be autoclaved, so in order to sterilize it we would recommend that it be dissolved in the appropriate medium (water, saline or buffered saline), followed by sterile filtration through a low protein-binding membrane.
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