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Direct Analysis of Intact Proteins Using the Advion Touch ExpressTM

Open Port Sampling Interface (OPSI) with the expression Compact Mass Spectrometer (CMS)

Touch Express OPSI coupled to the expression CMS provides fast benchtop analysis of intact proteins. Here, 2 μL of myoglobin (horse) at a concentration of 1 mg/mL in 10 mM ammonium acetate was used and deposited directly at the open port by pipette tip.

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