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Intact protein mass analysis 0-250 kDa

Molecular Weight Determination by LC-MS

PICK ‘n POST™ molecular weight determination by LC-ESI-MS protein analysis for proteins up to 250 kDa

Our ESI-MS intact mass service can be used to:

  • Determine the mass weight of peptides and proteins in your sample up to 250 kDa.
  • Compare samples – batch to batch variation.
  • Determine purity of your sample.
  • Look for modification such as glycosylations, acetylations, oxidations, etc..

The accuracy is within 30 ppm (+/-3 Dalton for a 100 kDa protein).

We provide this service as PICK ‘n POST™ which means that you can expect your results in 4-8 days.

How-to-order-PICK-n-POST

When would I choose ESI-MS protein analysis over MALDI-MS for molecular weight determination?

You should select ESI-MS protein analysis when you want to determine the mass weight of peptides and proteins in your sample above 50 kDa.

If you have further needs

  • You want detailed information about exact molecular weight of several proteins in your sample.
  • You want information about post translational modifications.

Send us a request, so we can enter dialogue with you and meet your specific needs.

Services/Products
IIntact mass weight by ESI or Maldi

PICK ‘n POST™ intact mass by ESI-MS

  • Intact Mw analysis by ESI-MS
  • Mass range 0-250 kDa, sample amount >5 ug
  • Accuracy within 30 ppm

$450.00

Fast and Easy
Will be delivered in 4-8 days
Info / Order
Request quote
IIntact mass weight by ESI or Maldi

PICK ‘n POST™ intact mass by ESI-MS (compared to protein sequence)

  • Intact Mw analysis by ESI-MS, comparison with theoretical Mw
  • Mass range 0-250 kDa, sample amount >5 ug
  • Accuracy within 30 ppm

$650.00

Fast and Easy
Will be delivered in 4-8 days
Info / Order
Request quote
Order analysis now
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