A3782 Sigma-Aldrich Albumin from human serum is supplied in the form of lyophilized powder. It is soluble in H2O to 50 mg/mL.
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生物来源
human
方案
≥99% (agarose gel electrophoresis)
表单
lyophilized powder
分子量
monomer calculated mol wt 66478 Da
技术
ELISA: suitable
tissue culture: suitable
western blot: suitable
杂质
HIV I and HIVII, HCV and HBsAg, tested negative
≤0.1% Fatty acids
溶解性
H2O: soluble 50 mg/mL
UniProt登记号
储存温度
2-8°C
SMILES字符串
FC(F)(F)C(F)(F)C(F)(F)F
InChI
1S/C3F8/c4-1(5,2(6,7)8)3(9,10)11
InChI key
QYSGYZVSCZSLHT-UHFFFAOYSA-N
基因信息
human ... ALB(213)
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相关类别
一般描述
已确知白蛋白为脂肪酸(FA)载体(一般的白蛋白产品仍然结合少量脂肪酸)。由于不同细胞株对于脂肪酸的敏感度并不相同,在细胞培养中控制特定脂肪酸含量因而显得较为重要。无脂肪酸人血清白蛋白(HSA)适合必需严控特定脂肪酸含量的细胞培养研究,使研究人员可根据实验细胞株性质选用特定的脂肪酸。在细胞培养中无脂肪酸白蛋白还可为特定脂肪酸提供最佳和最多的结合位点。无脂肪酸HSA还可解决非无脂肪酸HSA潜在的内源性脂肪酸问题。
应用
生化/生理作用
特点和优势
- 无脂肪酸/极低脂肪酸含量
- 无球蛋白/极低球蛋白含量
其他说明
免责声明
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves
历史批次信息供参考:
分析证书(COA)
其他客户在看
商品
Explore serum albumin's role in serum-free cell culture systems for biomanufacturing.
本页将全面阐述血清白蛋白和其他重要细胞培养成分如何影响用于单克隆抗体等外源蛋白生物制造的无血清细胞培养系统的性能,并介绍白蛋白的体外化学和生物化学过程。本页面将介绍白蛋白在体外化学和生物化学领域的应用。这些深度知识可能也适用于离体和组织工程学应用。
Lipid Induced Insulin Resistance
脂肪组织中的胰岛素耐受性减少了循环游离脂肪酸的摄入,并增加了脂肪酶对储存甘油三酯的水解。了解与胰岛素耐受性相关的激素、细胞因子和脂肪因子。
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What is the stock concentration for Albumin for human serum?
1 answer-
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How many chains are there in this protein? Is it in dimer form?
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The amino acid sequence and structure of human albumin have been determined. Human albumin is a protein with no carbohydrate content. It is a single polypeptide chain with one free sulfhydryl group on residue # 34 and 17 intrachain disulfide bonds.
Kindly review the following citation that explains "conditions that favor partly destabilized monomers and dimers, such as low pH, high temperature, and the presence of chemical denaturants".
Juárez J, Taboada P, Mosquera V. Existence of different structural intermediates on the fibrillation pathway of human serum albumin. Biophys J. 2009 Mar 18;96(6):2353-70. doi: 10.1016/j.bpj.2008.12.3901. PMID: 19289061; PMCID: PMC2907680.
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Is it possible that the dried powder contains traces of salts? Specifically, was it lyophilized from PBS, saline, or a salt solution?
1 answer-
The albumin from human serum (product number A3782) was in contact with deionized water before lyophilization, which was extensively processed to remove salts. While trace amounts of sodium caprylate may be present, this is not tested for. The claim that the product is salt-free is based solely on the manufacturing method described above.
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