You searched for: Proteins and Peptides

Proteins are used in routine laboratory procedures such as binding enzymes or coupling peptides to carrier proteins. These kits, mixture solutions, and collagen matrices fulfill a myriad of essential laboratory functions for developing relationships between proteins and other cellular components. The stimulating proteins offered have various amino acid arrangements and functions to fulfill any sample manipulation for testing purposes in any field.

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

Supplier: Avantor

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

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VWR®, Pepstatin A

Supplier: VWR Chemicals

An aspartic protease inhibitor of pepsin, renin, and cathepsin D. Can also block HIV protease. Not soluble in water.

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VWR®, Leupeptin hemisulphate

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.

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VWR®, Aprotinin

Supplier: VWR Chemicals

A competitive and reversible serine protease inhibitor of chymotrypsin, trypsin, kallikrein and plasmin. Not an inhibitor of Factor Xa and thrombin.

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VWR®, Leupeptin hemisulphate

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.

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VWR®, Gelatin

Supplier: VWR Chemicals

VWR®, Gelatin

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Aprotinin (Trypsin inhibitor, pancreatic basic) (from bovine lung), proteomics grade

Supplier: VWR Chemicals

A competitive and reversible serine protease inhibitor of chymotrypsin, trypsin, kallikrein and plasmin. Not an inhibitor of Factor Xa and thrombin.

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VWR®, Glycylglycine (Gly-Gly)

Supplier: VWR Chemicals

Biological buffers are useful for cell culture in vitro, enzyme assays and some electrophoretic applications at physiological pH.

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VWR®, Casein

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%

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VWR®, Bovine serum albumin (BSA)

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).

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

Supplier: Avantor

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

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VWR®, Gelatin

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

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VWR®, Pepstatin A

Supplier: VWR Chemicals

An aspartic acid protease inhibitor of pepsin, renin, and cathepsin D. Also an inhibitor of the HIV protease. Not water soluble.

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VWR®, Streptavidin (from Streptomyces avidinii)

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.

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VWR®, Bovine serum albumin (BSA)

Supplier: VWR Chemicals

Concentrated 30% BSA solution, fraction V, cold alcohol isolation, in 0,85% NaCl, contains 0,1% Na-azide (as a stabiliser).

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Human C-peptide

Supplier: Thermo Fisher Scientific

C-Peptide promotes proper protein folding and disulfide bond placement during insulin biosynthesis. After synthesis is completed the peptide is cleaved. C-Peptide is a marker for cell function invivo levels are enhanced in insulin resistance or insuloma and reduced in insulin insufficiency (type I diabetes).