After reconstitution, it is advisable to aliquot and freeze the product T8158, Human Transferrin at -20°C for long-term storage or add NaN₃ and refrigerate it at 4°C for short-term storage. Stock solutions can remain stable for up to 1 year at -20°C or for up to 2 weeks at 4°C.
T8158
Transferrina human
powder, BioReagent, suitable for cell culture
Sinónimos:
Siderofilina parcialmente saturada
About This Item
Productos recomendados
Línea del producto
BioReagent
Nivel de calidad
Ensayo
≥98%
Formulario
powder
concentración
~25 mM
técnicas
cell culture | mammalian: suitable
impurezas
endotoxin, tested
hepatitis and HIV antibody, none detected
solubilidad
H2O: 50 mg/mL
Nº de acceso UniProt
Condiciones de envío
ambient
temp. de almacenamiento
−20°C
Información sobre el gen
human ... TF(7018)
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Descripción general
Aplicación
- para incubar las células de los túbulos proximales humanos (HKC) - 8 junto con IgG para examinar la especificidad de la albúmina[2]
- como suplemento en medio que contiene suero o que está desprovisto de suero para el cultivo de células tiroideas humanas[3]
- como glucoproteínas específicas para desarrollar un método de hidrazinólisis en gel[4]
Acciones bioquímicas o fisiológicas
Otras notas
Nota de preparación
Nota de análisis
Cláusula de descargo de responsabilidad
Producto relacionado
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
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Artículos
Understand how transferrin affects serum-free cell culture systems, crucial for biomanufacturing heterologous proteins like monoclonal antibodies.
Understand how transferrin affects serum-free cell culture systems, crucial for biomanufacturing heterologous proteins like monoclonal antibodies.
Understand how transferrin affects serum-free cell culture systems, crucial for biomanufacturing heterologous proteins like monoclonal antibodies.
Understand how transferrin affects serum-free cell culture systems, crucial for biomanufacturing heterologous proteins like monoclonal antibodies.
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What is the correct method for storing item T8158, Human Transferrin, after reconstitution?
1 answer-
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We were wondering how to store the dissolved transferrin. We have frozen it at -80. If we thaw it can we can freeze it again,
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Transferrin is fairly stable in solution. Non-sterile aqueous solutions may be stored at 4 °C for 5-10 days. Solutions may be filter-sterilized to extend solution stability. Various media supplements containing transferrin, such as ITS (Insulin/Transferrin/Selenium), are stable for up to 30 days at 4 °C and may be stored in frozen aliquots at -20 °C. for up to one year. Avoid repeated freeze/thaw cycles as this may contribute to precipitation occurring.
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How is this protein produced and what is the rest 2% impurity? Thanks!
1 answer-
The preparation method is considered proprietary. The residual impurities have not been identified. This product is tested for endotoxin and iron. Please see the Sample Certificates of Analysis:
https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/T8158-BULKBCCK4250.pdfHelpful?
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What is the carbohydrate content of human transferrin?
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We have found the information on transferrin in a reference book:The Plasma Proteins, F.W. Putnam, ed, volume 2, chapter 4, Table II.According to the table, Transferrin is 6 percent carbohydrate, citing G.A. Jamieson, J. Biol. Chem. 240(7), 2914-2920 (1965).The table also gives information on the percentage of each type of monosaccharide that is present.
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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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