Dialyzed Fetal Bovine Serum (D-FBS)
Dialyzed Fetal Bovine Serum (D-FBS) provides more consistency among the cell culture experiments, especially the studies requiring a more defined environment of small molecules. The dialysis process eliminates/ reduces the concentration of low molecular weight components such as antibiotics, nucleotides, amino acids as well as hormones
Description
Background
Dialyzed Fetal Bovine Serum (D-FBS) provides more consistency among the cell culture experiments. That especially stands out in studies requiring a more defined environment of small molecules. moreover, The dialysis process eliminates/ reduces the concentration of low molecular weight components. That includes antibiotics, nucleotides, amino acids, hormones, salts, as well as various small proteins in the serum.
PurMaTM Dialyzed FBS is Free of Tetracycline and other Antibiotics.
PurMaTM Dialyzed FBS (DFBS)
- PurMaTM Premium FBS is USA origin.
- We perform the dialysis using the 3500 Dalton (3.5 kDa) dialysis tube. The procedure carries out against 10X 10-liter PBS (pH 7.4). At the end, the dialyzed FBS sterilized by 0.1 µM filters for three times.
- The parent FBS Has gone through gamma irradiation as well as heat inactivation process.
- PurMa Biologics performs vigorous analysis following the dialysis which results in and certificate of analysis.
- Free of Mycoplasma, steroids and hormones, and other pathogens.
- Acceptable level of endotoxin (10 mg/Dl) and hemoglobin (20 mg/Dl).
- Due to the loss of small growth factors and other essential elements below the size of 3.5 kDa we recommend using 15-20% DFBS in your media to make sure of cultured cell well beings.
Analysis
Routine pathological analysis on PurMa bovine and horse serums: Routine Pathological Analysis on PurMa Bovine and Horse Serums
Further Instructions
On receiving the bottle or on first usage, defrost and aliquot the bottle into smaller quantities as freezing and thawing is not recommended for this product.
References
- Optimization of chemically defined cell culture media–replacing fetal bovine serum in mammalian in vitro methods. van der Valk et al. Toxicol In Vitro. 2010 Jun;24(4):1053-63. doi: 10.1016/j.tiv.2010.03.016. Epub 2010 Mar 31. PMID: 2036204.
- Removal of serum lipids and lipid-derived metabolites to investigate breast cancer cell biology.Brovkovych et al. Proteomics; available in PMC 2019 Sep 12.Published in final edited formas: Proteomics. 2019 Sep; 19(18): e1800370. Published online 2019 May 7. doi: 10.1002/pmic.201800370. PMCID: PMC6742575.
Methodology | Unit measured | Accepted level | Result |
Sterility (Current USP and EP 2.6.1 for Bacteria & Fungi) | NA | Not Detected | Not Detected |
pH | N/A | measured | 6.58 |
Osmolality (USP 785) mOsm/KgH2 | mOsm/KgH20 | 280-340 | 288 |
Hemoglobin (Fleming & Woolf) | mg/dL | <25 | 12.9 |
Endotoxin (USP 85) | EU/mL | <20 | <0.100 |
Mycoplasma (Barile & Kern; Large Volume, Direct Culture) | NA | Not Detected | Not Detected |
IgG | Elliza | Measured | 0.19 ug/ml |
Albumin | Eliza | Measured | ≤ 4.6 g/dL |
Virus Testing (9 CFR 113.53c) | |||
Bovine Adenovirus | NA | Not Detected | Not Detected |
Bovine Parvovirus | NA | Not Detected | Not Detected |
Bovine Respiratory Syncytial Virus | NA | Not Detected | Not Detected |
Bovine Viral Diarrhea Virus | NA | Not Detected | Not Detected |
Rabies | NA | Not Detected | Not Detected |
Reovirus | NA | Not Detected | Not Detected |
Cytopathogenic Agents (IBR) | NA | Not Detected | Not Detected |
Hemadsorbing Agents (PI3) | NA | Not Detected | Not Detected |
Bluetongue | NA | Not Detected | Not Detected |
Additional information
Size | 1 x 50 ml, 1 x 500 ml |
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Quality Control
[vc-quality-control-tab]Documents
Quality Control_ Lipid Depleted FBS
Pathological Analysis on a previous Lot of Bovine and HorseSerum
SDS
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