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MilliporeSigma

69385

Protein Standard Mix 15 - 600 kDa

for size exclusion chromatography

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30 MG

$149.10

6 X 30 MG

$582.40

$149.10

List Price$213.00Save 30%

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About This Item

UNSPSC Code:
85151701
NACRES:
NA.24

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Quality Level

form

solid

mol wt

15-600 kDa

analyte chemical class(es)

amino acids, peptides, proteins

technique(s)

gel permeation chromatography (GPC): suitable

application(s)

clinical
food and beverages
pharmaceutical

format

neat

storage temp.

−20°C

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This Item
P8119P5494P5369
mol wt

15-600 kDa

mol wt

-

mol wt

-

mol wt

-

format

neat

format

multi-component solution

format

neat

format

single component solution

form

solid

form

liquid

form

-

form

-

technique(s)

gel permeation chromatography (GPC): suitable

technique(s)

gel permeation chromatography (GPC): suitable

technique(s)

gel permeation chromatography (GPC): suitable

technique(s)

gel permeation chromatography (GPC): suitable

analyte chemical class(es)

amino acids, peptides, proteins

analyte chemical class(es)

amino acids, peptides, proteins

analyte chemical class(es)

amino acids, peptides, proteins

analyte chemical class(es)

amino acids, peptides, proteins

application(s)

clinical
food and beverages
pharmaceutical

application(s)

food and beverages

application(s)

food and beverages

application(s)

food and beverages

General description

The protein standard mix is a calibration standard to test and monitor performance of size exclusion chromatography (SEC) columns. It is a lyophilized mixture of molecular weight markers ranging from 15 kDa to 600 kDa.

Components

Thyroglobulin bovine MW ~ 670 000 Da

γ-globulins from bovine blood MW ~ 150 000 Da

Ovalbumin MW~ 44 300 Da

Ribonuclease A type I-A MW ~ 13 700 Da

p-aminobenzoic acid (pABA) MW ~ 137 Da

Application

This analytical standard is used for the following:
  • Evaluation of selectivity and separation efficiency of size exclusion chromatography (SEC) to separate intact proteins by varying flow rate, size of silica particles and pore sizes in the column
  • Simultaneous determination of oligomerized and nitrated proteins by size exclusion chromatography-high performance liquid chromatography-diode array detection (SEC-HPLC-DAD)
  • Molecular weight separation of proteins by size-exclusion chromatography, formed upon O3 and NO2 induced oxidation, nitration, and oligomerization of bovine serum albumin (BSA) as a model protein
  • Estimation of molecular masses of two recombinant proteins— TNF fluorescent sensor (BTN-Kat) and fluorescent sensor-inhibitor (ITN-Kat), by size exclusion chromatography (SEC) to evaluate their ability of binding and neutralizing tumor necrosis factor (TNF) in vitro and further serving as imaging labels for non-invasive analysis

pictograms

Health hazardExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Anastasiya Lavell et al.
The Plant journal : for cell and molecular biology, 108(5), 1332-1345 (2021-09-29)
Rhomboid-like proteins are intramembrane proteases with a variety of regulatory roles in cells. Though many rhomboid-like proteins are predicted in plants, their detailed molecular mechanisms or cellular functions are not yet known. Of the 13 predicted rhomboids in Arabidopsis thaliana
Yang Wang et al.
Nature communications, 13(1), 4614-4614 (2022-08-09)
Single-chain variable fragments (scFvs), composed of variable domains of heavy and light chains of an antibody joined by a linker, share antigen binding capacity with their parental antibody. Due to intrinsically low solubility and stability, only two Escherichia coli-produced scFvs
Robert C Monsen et al.
Nucleic acids research, 48(10), 5720-5734 (2020-02-23)
The structure of the 68 nt sequence with G-quadruplex forming potential within the hTERT promoter is disputed. One model features a structure with three stacked parallel G-quadruplex units, while another features an unusual duplex hairpin structure adjoined to two stacked
Beata Maria Walter et al.
Protein expression and purification, 169, 105587-105587 (2020-02-01)
Prs (phosphoribosyl pyrophosphate synthase) is a broadly conserved protein that synthesises 5-phosphoribosyl 1-pyrophospate (PRPP); a substrate for biosynthesis of at least 10 enzymatic pathways including biosynthesis of DNA building blocks - purines and pyrimidines. In Escherichia coli, it is a
Simultaneous determination of nitrate and oligomerized proteins by size exclusion high-performance liquid chromatography coupled to photodiode array detection.
Liu F, et al.
Journal of Chromatography A, 1495, 76-82 (2017)

Articles

Size-exclusion chromatography (SEC) columns and ready-to-use standards facilitate method development and increase robustness of protein SEC methods.

Characterize mAb monomers, aggregates, and fragments using SEC-UV workflow with Zenix® and Zenix®-C SEC columns.

Questions

1–3 of 3 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/418/501/product-dating-information-06-25-mk.pdf

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  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

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  3. How do you re-suspend this?

    1 answer
    1. Please see "Preparation Instructions" in the Data Sheet on the product page under "Documentation". https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/328/710/69385dat.pdf

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