Jun 21, 2022

Public workspaceC4 ZipTip Solid Phase Extraction 

This protocol is a draft, published without a DOI.
  • 1Northwestern University
Lauren Adams
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Protocol Citation: Lauren Adams 2022. C4 ZipTip Solid Phase Extraction . protocols.io https://protocols.io/view/c4-ziptip-solid-phase-extraction-cbrmsm46
License: This is an open access protocol distributed under the terms of the Creative Commons Attribution License,  which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited
Protocol status: Working
We use this protocol and it’s working
Created: June 21, 2022
Last Modified: June 21, 2022
Protocol Integer ID: 65037
Abstract
Solid phase extraction for clean-up and concentration of proteins prior to introduction into the mass spectrometer.
Materials
C4 ZipTips
KimWipes
P20 and P200 pipettes with tips
LoBind Microcentrifuge tubes
C4 ZipTip Activation Buffer
C4 ZipTip Equilibration/Wash Buffer
C4 ZipTip Elution Buffer
HPLC Buffer A
Activate Ziptip by pipetting 10 µL of C4 ZipTip Activation Buffer and discarding onto a Kimwipe for a total of 6 times.
Equilibrate the Ziptip by pipetting 10 µL of C4 ZipTip Equilibration/Wash Buffer and discarding onto a Kimwipe for a total of 6 times.
Remove C4 Ziptip from p20 pipette and place safely back into tip box to hold. Take a p200 pipette set at 200 µL and add a p200 pipette tip to the end. Take the p200 with pipette tip and then add the C4 ZipTip to the end. Carefully pipette the elution sample up and down for a total of 10 times per elution fraction. Avoid forcing air bubbles through the pipette tip as this will disrupt the resin and introduce oxidation to the target protein.
Remove C4 Ziptip from p200 pipette and place safely back into tip box to hold. Reattach to the p20 pipette and by pipet 10 µL of C4 ZipTip Equilibration/Wash Buffer and discard onto a Kimwipe for a total of 10 times.
Pipette into 5 µL of C4 ZipTip Elution Buffer that is inside a clean LoBind tube a total of 10 times. Dilute the final volume up to 25 µL for LC-MS or 80 µL for I2MS.