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SIGMA| 人血清白蛋白

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价格：￥电议

更新日期：2026/9/7 17:25:49

生产地：中国大陆

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简单介绍：SIGMA| 人血清白蛋白
货号: A9511
品牌: Sigma
规格: 100MG,1G,10G
价格：:1733295243

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相关标签：人血清白蛋白,血清,SIGMA,HSA

详细内容

人血清白蛋白第五组分，HSA,

A9511-100MG
A9511-500MG
A9511-1G
A9511-5G
A9511-10G
A9511-25G

研究域:

细胞生物学

详述

ALBUMIN, HUMAN

The source material for all human albumins made by Sigma has tested negative for HIV ａnd HBSAG.

Sigma tests the solubility of human albumin powders in water at 50 mg/. In the experience of Sigma production chemists, aqueous aliquots stored at –20 °C are stable for several months. Repeated freezing ａnd thawing of solutions is not recommended.

A9511	Albumin from human serum, lyophilized powder, ≥97% (agarose gel electrophoresis),	H2O: soluble50 mg/mL	≥97% (agarose gel electrophoresis)	Sigma
A1653	Albumin from human serum, lyophilized powder, ≥96% (agarose gel electrophoresis),	H2O: soluble50 mg/mL	≥96% (agarose gel electrophoresis)	Sigma
A3782	Albumin from human serum, lyophilized powder, Fatty acid free, Globulin free, ≥99% (agarose gel electrophoresis),	H2O: soluble50 mg/mL	≥99% (agarose gel electrophoresis)	Sigma
A8763	Albumin from human serum, lyophilized powder, essentially globulin free, ≥99% (agarose gel electrophoresis),	H2O: soluble20 mg/mL	≥99% (agarose gel electrophoresis)	Sigma
A1887	Albumin from human serum, lyophilized powder, essentially fatty acid free,	H2O: soluble50 mg/mL, clear to slightly hazy, yellow		Sigma
A4327	Albumin from human serum, lyophilized powder, essentially protease free, ≥96% (agarose gel electrophoresis),	H2O: soluble50 mg/mL	≥96% (agarose gel electrophoresis)	Sigma
A5843	Albumin from human serum, lyophilized powder, low endotoxin,	H2O: soluble50 mg/mL		Sigma
05420	Albumin from human serum, lyophilized powder, ≥95.0% (agarose gel electrophoresis),		≥95.0% (agarose gel electrophoresis)	Sigma

PRODUCT NO.

PREPARATION/PURIFICATION

SPECIAL CHARACTERISTICS

A 1653

Fraction V1

From human serum.

Powder

96-99% by agarose gel (remainder mostly globulins)

A 2817

Fraction V1

Powder

96-99% by agarose gel (remainder mostly globulins)

Produced specifically for bulk usage.

A 1887

Fraction V1, heat step2 Prepared from A 1653.

Powder

³96% by agarose gel

Essentially fatty acid free (∼0.005%)

A 9511

1× crystallized ａnd lyophilized.

Prepared from A 1653 using method IV of Cohn, et al.3

Powder

97-99% by agarose gel

A 8763

Prepared from A 1653.4

Powder

Essentially globulin free

A 3782

Prepared from A 8763.4

Powder

Essentially fatty acid free (∼0.005%) Essentially globulin free

A 4327

Prepared from A 1653.

Powder

³96% by agarose gel

Essentially protease free (<0.0001 u/mg protein) Essentially alkaline phosphatase free (0.001 u/mg protein) Essentially peroxidase free (<0.001 u/mg protein)

A 3173

Prepared from A 2817.

Powder

Low endotoxin content (²0.1 ng/mg protein)

A 6784

Contains approx. 0.85% NaCl. Contains 0.05% NaN3 as preservative. Aseptically filled.

10% Solution

A 6909

Contains approx. 0.85% NaCl. Contains 0.05% NaN3 as preservative. Aseptically filled.

30% Solution

A 9080

From human plasma. Contains approx. 0.85% NaCl. Aseptically filled.

30% Solution Protease free.

A 2830

From human serum.

Solution in 40 mM potassium phosphate, pH 7.0

14C-Methylated

5-50 ìCi per mg protein

CAS NUMBER: 70024-90⁻⁷

MOLECULAR WEIGHT: 66,248.35 or 66,4378 (based on amino acid composition)

STRUCTURE:5

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.

Amino Acid Asp Asn Thr Ser Glu Gln Pro Gly Ala Cys Val Met Ile Leu Tyr Phe His Lys Trp Arg

Residues 39 15 30 22 60 23 25 PHYSICAL PROPERTIES:5	12 63	35 39 6 8 61 18 30 16 58 1 23
Sedimentation constant, S20,W X 1013		4.6 (monomer), 6.5 (dimer)
Diffusion constant, D20,W X 107		6.1
Partial specific volume, V20		0.733
Intrinsic viscosity, ç		0.042
Frictional ratio, f/f0		1.28
Overall dimensions, Å		38 X 150
Isoelectric point (Ã/2 = 0.15)		4.7
Isoionic point (Ã/2 = 0)		5.2
Electrophoretic mobility, pH 8.6, Ã/2 = 0.15		-5.9
Refractive index increment (578 nm) X 10-3		1.89
Optical absorbance, A279 nm (1 gram/liter)		0.531
Mean residue rotation, [m＇]233	8590
Mean residue ellipticity		17 [è]209 nm; 16 [è]222 nm
Estimated á-helix, %		48
Estimated â-form, %		15
SOLUBILITY / SOLUTION STABILITY:

储存与安全

储存:

2-8℃

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