A7888
Bovine Serum Albumin
heat shock fraction, suitable for RIA, pH 5.2, ≥96%
Szinonimák:
Albumin bovine serum, BSA, Bovine albumin
Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez
Összes fotó(5)
About This Item
Javasolt termékek
biológiai forrás
bovine
Minőségi szint
grade
RIA grade
Teszt
≥96%
form
lyophilized powder
minőség
suitable for RIA
molekulatömeg
~66 kDa
tisztítva
heat shock fractionation
kiszerelés
poly bottle of
eredet
USA origin
technika/technikák
blood typing: suitable
veszteség
≤5%
pH
5.2
oldhatóság
water: soluble (40 mg/ml)
alkalmasság
suitable for insulin RIA procedures
UniProt elérési szám
idegen aktivitás
BT virus, none detected
VSV virus, none detected
tárolási hőmérséklet
2-8°C
Géninformáció
bovine ... ALB(280717)
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Általános leírás
Bovine serum albumin (BSA) is 66 kDa protein consisting of three domains with two subdomains under each. It is α-helical globular and a non-glycosylated protein.
Alkalmazás
Bovine Serum Albumin has been used:
- as a blocking agent in enzyme linked immunosorbent assay (ELISA)(154)
- as a component of Dulbecco PBS medium for preantral follicles culture(155)
- as a component of modified Tris-buffered medium (mTBM) for oocyte insemination(156)
Biokémiai/fiziológiai hatások
Bovine Serum Albumin (BSA) is a transporter for drugs, hormones and fatty acids. It is a blocking agent used in enzyme linked immunosorbent assay (ELISA) for preventing non-specific binding of antigens and antibodies to the microtiter plates. The cysteine and tyrosine residues of BSA have high affinity for metal binding.
Certain conformational and primary-sequence epitopes of BSA are suspected allergens in human beef and milk allergies.
Tulajdonságok és előnyök
- Heat shock fractionated
- Suitable for radioimmunoassay (RIA)
Vigyázat
May yield an insulin blank of up to 0.1 μunit per mg in certain procedures.
Elkészítési megjegyzés
Prepared using heat shock fractionation
Serum albumin may be referred to as Fraction V. This naming convention is taken from the original Cohn method of fractionating serum proteins using cold ethanol precipitation. Serum albumin was found in the fifth ethanol fraction using Cohn′s method. Since then, the term "Fraction V" has been used by some to describe serum albumin regardless of the method of preparation. Others have used this term to describe serum albumin purified by ethanol fractionation methods that have been highly modified since the original Cohn method was described. Sigma-Aldrich manufactures and distributes serum albumins purified from a variety of primary methods including the true Cohn fractionation method, modified ethanol fractionation methods, heat shock and chromatography. Additional purification steps may include crystallization or charcoal filtration.
Tárolási osztály kódja
11 - Combustible Solids
WGK
WGK 3
Lobbanási pont (F)
Not applicable
Lobbanási pont (C)
Not applicable
Egyéni védőeszköz
Eyeshields, Gloves, type N95 (US)
Analitikai tanúsítványok (COA)
Analitikai tanúsítványok (COA) keresése a termék sarzs-/tételszámának megadásával. A sarzs- és tételszámok a termék címkéjén találhatók, a „Lot” vagy „Batch” szavak után.
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