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Merck
모든 사진(2)

주요 문서

A4327

Sigma-Aldrich

Albumin from human serum

lyophilized powder, essentially protease free, ≥96% (agarose gel electrophoresis)

동의어(들):

HSA

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About This Item

CAS Number:
EC Number:
MDL number:
UNSPSC 코드:
12352202
NACRES:
NA.25

생물학적 소스

human

Quality Level

분석

≥96% (agarose gel electrophoresis)

양식

lyophilized powder

분자량

monomer calculated mol wt 66478 Da

기술

tissue culture: suitable

불순물

HIV I and HIVII, HCV and HBsAg, tested negative

solubility

H2O: soluble 50 mg/mL

UniProt 수납 번호

외래 활성

Alkaline phosphatase ≤0.001 units/mg protein
Peroxidase ≤0.001 units/mg protein
Protease ≤0.0001 units/mg protein

저장 온도

2-8°C

SMILES string

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

유전자 정보

human ... ALB(213)

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일반 설명

Albumin is the most copious protein in blood plasma. Produced in the liver, serum albumin serves as a carrier protein for biomolecules like as fatty acids, amino acids, and steroids.

This human serum albumin (HSA) product has been specially tested and evaluated to be low in the following properties:
  • Essentially protease-free / low protease content
  • Low alkaline phosphatase content
  • Low peroxidase content

Serum albumin is used in various applications related to molecular biology, notably as an inert protein stabilizer for stock solutions of enzymes and proteins of interest. In such applications, it is thus important for the HSA to be protease free, to maintain the integrity of the protein or enzyme of interest.

Protease-free HSA is especially useful for applications like:
  • Enzyme assays
  • Protein-based assays
  • Protease-sensitive techniques such as:
(a) Enzyme immunoassay (EIA)
(b) Nucleic acid hybridization
(c) Radioimmunoassay (RIA)

애플리케이션

Albumin was used to test its effect on the in vitro bactericidal activity of cefditoren against penicillin-resistant Streptococcus pneumonia. It has been clinically used in serious and often life-threatening conditions, such as shock and blood loss due to trauma, burns, and surgery.
It was used to test the effect of non-enzymatic glycation on the unfolding of human serum albumin. It was also used to test the two distinct pathways used by intestinal epithelial cells for HLA class II antigen processing.

생화학적/생리학적 작용

Serum albumin functions as a carrier protein for steroids, fatty acids, and thyroid hormones, and is vital in regulating the colloidal osmotic pressures of blood. Albumin is also seen to bind to exogenous substances, particularly drugs (e.g., ibuprofen, warfarin), and strongly influence their pharmacokinetics. Oxidative stress leading to changes in the redox state of albumin has widely varied effects on its physiological function.

특징 및 장점

  • Low protease activity / essentially protease-free (≤ 0.0001 units/mg protein)
  • Low alkaline phosphatase activity (≤ 0.001 units/mg protein)
  • Low peroxidase activity (≤ 0.001 units/mg protein)

제조 메모

Prepared from A1653

기타 정보

View more information on human serum albumin.

면책조항

RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves


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문서 라이브러리 방문

Karin Löw et al.
FEBS letters, 594(17), 2840-2866 (2020-06-09)
Bioactive peptide drugs hold promise for therapeutic application due to their high potency and selectivity but display short plasma half-life. Examination of selected naturally occurring peptide hormones derived from proteolytic cleavage of the proopiomelanocortin (POMC) precursor lead to the identification
Kuldip S Sidhu et al.
Current protocols in stem cell biology, Chapter 1, Unit 1A-Unit 1A (2008-09-05)
The pluripotent nature of human embryonic stem cells (hESC) makes them very attractive as a source of various cell types that could be used therapeutically in regenerative medicine. However, eliminating all sources of contamination, animal-derived or human cell-derived, during hESC
R M Hershberg et al.
The Journal of clinical investigation, 100(1), 204-215 (1997-07-01)
Intestinal epithelial cells express a low level of HLA class II molecules constitutively, with elevated levels seen in the setting of mucosal inflammation including inflammatory bowel disease. The ability of intestinal epithelial cells to act as antigen presenting cells for
Natalia Malachowa et al.
mBio, 10(6) (2019-12-19)
Klebsiella pneumoniae is a human gut communal organism and notorious opportunistic pathogen. The relative high burden of asymptomatic colonization by K. pneumoniae is often compounded by multidrug resistance-a potential problem for individuals with significant comorbidities or other risk factors for
Deepak Kumar et al.
Talanta, 224, 121906-121906 (2021-01-01)
Human serum albumin (HSA) has pseudoesterase activity. So far on gel specific detection of such property of HSA is never reported. Moreover, protein binding dyes are non-specific for albumin. However, many of such dyes are used for HSA detection. So

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