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Our Shared core is in the process of getting a FPLC system and I am task with determining how we will charge for others to use this instrument.  Anyone have one of these in their core?  This will be a stretch for us as we primarily run flow cytometry and sorters.  We have other instruments but none of them will involve the repetition or time commitments I imagine that protein purification will involve.   Our options currently are time based or as a project.  The other consideration is if the client supplies their own columns or if we do and multiple people run on same column.    

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ROBERT DAVENPORT
Research specialist
IMDP
Ohio State University
Columbus OH
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Within our Core we don't have people come in and use the machines, but we charge per run and one of our technicians runs the sample(s). We include the column costs in our annual budget that we have on the machines, and if we conjugate or pack an affinity column it is included in the price of that task (we're a production facility for proteins & antibodies). This way we can control things like endotoxin exposure and the cleaning schedules of our machines.

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Kathy Yarborough
Duke University
Durham NC
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Original Message:
Sent: 07-25-2024 15:22
From: ROBERT DAVENPORT
Subject: Use charges for Protein purification system

Our Shared core is in the process of getting a FPLC system and I am task with determining how we will charge for others to use this instrument.  Anyone have one of these in their core?  This will be a stretch for us as we primarily run flow cytometry and sorters.  We have other instruments but none of them will involve the repetition or time commitments I imagine that protein purification will involve.   Our options currently are time based or as a project.  The other consideration is if the client supplies their own columns or if we do and multiple people run on same column.    

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ROBERT DAVENPORT
Research specialist
IMDP
Ohio State University
Columbus OH
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We have several FPLC systems. The key thing for us is we ask the users to buy their own columns. In this case, they are responsible for how they handle it (properly cleaning the column after usage, proper storage....). The core director trains the user on how to operate the HPLC and we charge "per hour"

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Marimar Lopez
Director Research Cores
RENSSELAER POLYTECHNIC INST
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Original Message:
Sent: 07-25-2024 15:22
From: ROBERT DAVENPORT
Subject: Use charges for Protein purification system

Our Shared core is in the process of getting a FPLC system and I am task with determining how we will charge for others to use this instrument.  Anyone have one of these in their core?  This will be a stretch for us as we primarily run flow cytometry and sorters.  We have other instruments but none of them will involve the repetition or time commitments I imagine that protein purification will involve.   Our options currently are time based or as a project.  The other consideration is if the client supplies their own columns or if we do and multiple people run on same column.    

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ROBERT DAVENPORT
Research specialist
IMDP
Ohio State University
Columbus OH
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