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38733

Sigma-Aldrich

Laemmli Lysis-buffer

non smelling

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About This Item

Código UNSPSC:
12161700
NACRES:
NA.25
En este momento no podemos mostrarle ni los precios ni la disponibilidad

Formulario

liquid

composición

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

pH

~6.8

idoneidad

in accordance for electrophoresis test

temp. de almacenamiento

−20°C

Categorías relacionadas

Aplicación

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

Pictogramas

CorrosionExclamation mark
GHS05,GHS07

Palabra de señalización

Danger

Frases de peligro

H302,H315,H318

Clasificaciones de peligro

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

Código de clase de almacenamiento

12 - Non Combustible Liquids

Clase de riesgo para el agua (WGK)

WGK 2

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

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

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Certificados de análisis (COA)

Lot/Batch Number
BCCF6315
BCBS0040V
BCBQ4821V
BCBM0474V
BCBJ1244V

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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 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
K Zajda et al.
Human & experimental toxicology, 39(3), 276-289 (2019-11-09)
Tissue-dependent oestrogenic and anti-oestrogenic activity of polycyclic aromatic hydrocarbons (PAHs) has been suggested. In this study, the effect of two PAH mixtures, M1 composed of all 16 priority pollutants and M2 composed of five (noted in the highest levels) compounds
Lei Liu et al.
Experimental and therapeutic medicine, 13(2), 461-466 (2017-03-30)
Cancer-induced bone pain can severely compromise the life quality of patients, while tolerance limits the use of opioids in the treatment of cancer pain. Monocyte chemoattractant protein-1 (MCP-1) is known to contribute to neuropathic pain. However, the role of spinal
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Questions

1–7 of 7 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

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

    1 answer

    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 difference between the two Laemmli buffers S3401 and 38733?

    1 answer

    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).

      Helpful?

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

    1 answer

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

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

    1 answer

    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.

      Helpful?

  7. What is the advantage of using Laemmli Lysis-buffer, Product No. 38733?

    1 answer

    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.

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