단백질과 펩티드

Supplier: VWR Chemicals

VWR®, Albumina nativa di pollo (da uovo)

Supplier: VWR Chemicals

A Cohn fraction V albumin produced by cold ethanol fractionation with minimum use of chemicals. Fatty acids and native sialic acid residues are preserved in this BSA.

Supplier: Avantor

J.T.Baker®, Chicken Native Albumin (from Egg)

Supplier: VWR Chemicals

A protease-free grade albumin for RIA and ELISA applications, produced by a heat-shock process in caprylic acid.

Supplier: VWR Chemicals

A reversible inhibitor of cysteine proteases and serine proteases resembling trypsin. Inhibits trypsin, plasmin, papain, kallikrein, thrombin, and cathepsin A and B.

Supplier: VWR Chemicals

Fluorescence: 238 to 282
E. coli: equivalent
Water content: < or > 13%
pH at 25 °C: 4,0 - 5,7
Salmonella: not detectable
Standard plate count: ≤1000 /g
Viscosity: 38 to 50 mps

Supplier: VWR Chemicals

VWR®, Gelatina

Supplier: Avantor

J.T.Baker®, Bovine Serum Albumin (BSA), Fraction V

Supplier: VWR Chemicals

Proteins (on anhydrous product): ≥ 90,0 %
Free acidity: Max. 1,0%
Fats: Max. 2,5%
Ignition residue (SO₄): Max. 2,75%
Loss on drying: Max. 12%

Supplier: VWR Chemicals

Produced by a heat shock process using sodium caprylate as a stabiliser with additional treatments including dialysis and deionisation.

Supplier: VWR Chemicals

A 60 kDa tetrameric protein that exhibits high binding affinity for biotin. Able to bind one molecule of biotin with each subunit, streptavidin is useful in affinity chromatography, ELISA, immunohistochemistry, and Western Blotting.

Supplier: VWR Chemicals

A higher purity product than standard grade or Cohn fraction V material. It is negative for globulins that interfere in many assays.

Supplier: VWR Chemicals

Cold alcohol isolation.

Supplier: VWR Chemicals

Concentrated 20% BSA solution (Albumin, Bovine, Fraction V – Cold Alcohol Isolation) in 0,85% sodium chloride and contains 0,1% sodium azide (as a preservative for stability).