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Merck
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H2899

Supelco

HPLC protein standard mixture

analytical standard

Sinónimos:

Protein Calibration Mix

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1 VIAL
MXP 2,827.00

MXP 2,827.00

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1 VIAL
MXP 2,827.00

About This Item

Código UNSPSC:
85151701
NACRES:
NA.24

MXP 2,827.00

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grado

analytical standard

Nivel de calidad

200

Formulario

solid

clases químicas de analitos

amino acids, peptides, proteins

técnicas

HPLC: suitable

aplicaciones

food and beverages

Formato

multi-component solution

temp. de almacenamiento

−20°C

Categorías relacionadas

Aplicación

HPLC protein standard mixture has been used as a standard for the separation of proteins in cell extract samples of bacteria using high performance liquid chromatography (HPLC).[1]

Envase

Vial contains approximately 1 mg each of ribonuclease A, cytochrome c, holo-transferrin and apomyoglobin.

Aplicación

Referencia del producto
Descripción
Precios

Pictogramas

Health hazard
GHS08

Palabra de señalización

Danger

Frases de peligro

H334

Consejos de prudencia

P261 - P284 - P501

Clasificaciones de peligro

Resp. Sens. 1

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
0000333965
SLCQ6184
SLCK5754
SLCF7915
SLCB1340

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Honglei Liu et al.
Applied and environmental microbiology, 80(5), 1799-1806 (2014-01-07)
Sulfur oxidation by chemolithotrophic bacteria is well known; however, sulfur oxidation by heterotrophic bacteria is often ignored. Sulfur dioxygenases (SDOs) (EC 1.13.11.18) were originally found in the cell extracts of some chemolithotrophic bacteria as glutathione (GSH)-dependent sulfur dioxygenases. GSH spontaneously
Distribution, diversity, and activities of sulfur dioxygenases in heterotrophic bacteria
Liu H, et al.
Applied and Environmental Microbiology, 80, 1799-1806 (2014)

Questions

1–4 of 4 Questions  

  1. 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?

  2. 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?

  3. Could you provide an order of retention times of when each of these components elute off a protein C4 column (H2899 protein mixture)?  Thank you.

    1 answer

    1. The exact method is considered proprietary. However, for a C4 column, it should elute ribonuclease A first, followed by cytochrome C, holo-transferrin, and apomyoglobin.

      Helpful?

  4. What is each componant's actual molecular weight (ribonuclease A, cytochrome c, holo-transferrin and apomyoglobin)?

    1 answer

    1. The molecular weight of each component is not reported. See below for the expected values:
      Ribonuclease A: approx. 13.7 kDa
      Cytochrome C: approx. 12.3 kDa
      holo-Transferrin: 72.1 - 78.5 kDa
      Myoglobin: approx. 17.6 kDa

      Helpful?

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