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Merck
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Principaux documents

38733

Sigma-Aldrich

Laemmli Lysis-buffer

non smelling

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About This Item

Code UNSPSC :
12161700
Nomenclature NACRES :
NA.25
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Niveau de qualité

Forme

liquid

Composition

bromophenol blue, 0.004%
DTT, 400 mM
glycerol, 20%
SDS, 4%
TRIS, 0.125 M

pH

~6.8

Adéquation

in accordance for electrophoresis test

Température de stockage

−20°C

Application

Laemmli Lysis-buffer is an non-smelling lysis buffer used to prepare protein samples for SDS gel electrophoresis.

Pictogrammes

CorrosionExclamation mark

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2

Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Sean R Gallagher
Current protocols in protein science, Chapter 10, Unit 10-Unit 10 (2012-04-04)
One-dimensional gel electrophoresis of proteins provides information about the molecular size, amount, and purity of a protein sample. Separated proteins can be recovered from polyacrylamide gels for subsequent characterization by a variety of secondary techniques, such as mass spectrometry to
Xiaoqiang Wu et al.
Analytical biochemistry, 421(1), 347-349 (2011-11-01)
A modified Laemmli sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) protocol is described. The new method saves 30 min for gel casting without loss of the resolution power of Laemmli gel. In this method, both the upper and lower gels can
Vincent Archambault et al.
Genes & development, 22(19), 2707-2720 (2008-10-04)
The conserved Polo kinase controls multiple events in mitosis and cytokinesis. Although Polo-like kinases are regulated by phosphorylation and proteolysis, control of subcellular localization plays a major role in coordinating their mitotic functions. This is achieved largely by the Polo-Box
Sean R Gallagher
Current protocols in immunology, Chapter 8, Unit 8-Unit 8 (2008-04-25)
Electrophoresis is used to separate complex mixtures of proteins (e.g., from cells, subcellular fractions, column fractions, or immunoprecipitates), to investigate subunit compositions, and to verify homogeneity of protein samples. It can also serve to purify proteins for use in further
Lisha Mou et al.
PloS one, 10(7), e0133997-e0133997 (2015-07-25)
Secretory azoospermia is a severe form of male infertility caused by unknown factors. DAX-1 is predominantly expressed in mammalian reproductive tissues and plays an important role in spermatogenesis because Dax-1 knockout male mice show spermatogenesis defects. To examine whether DAX-1

Questions

1–5 sur 5 questions  
  1. What is the advantage of using Laemmli Lysis-buffer, Product No. 38733?

    1 réponse
    1. The odor of 38733 is not nearly as strong as that of S3401 (which has 2-mercaptoethanol).  Some people are very sensitive to the odor of 2-mercaptoethanol.

      Utile ?

  2. What is the difference between the two Laemmli buffers S3401 and 38733?

    1 réponse
    1. Product No. S3401 is 0.125 M Tris (pH 6.8) in 80% water/20% glycerol, with 4% SDS, 10% 2-mercaptoethanol and 0.004% bromophenol blue. 38733 is 0.125 M Tris in 80% water/20% glycerol, with 4% SDS, 400 mM DTT and 0.004% bromophenol blue.  So the only difference is the reducing agent; 2-mercaptoethanol (strong odor) vs. the DTT (not nearly as strong an odor).

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  3. Why do the Laemmli sample buffers like S3401 and 38733 have glycerol in them?

    1 réponse
    1. An aqueous buffer with 20% glycerol is denser than one without. So when the sample is added to the well of an electrophoresis gel, it tends to stay in the well.

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  4. What is the Department of Transportation shipping information for this product?

    1 réponse
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  5. Is Laemmli Lysis-buffer, Product No. 38733, a 1× or a 2× solution?

    1 réponse
    1. For most applications, it is considered to be a 2X solution.

      Utile ?

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