Share this page: More

Billing Policies and Fees

Fees for Johns Hopkins Users 







Aria II Sorter

$80 setup fee
$120/hr. (11AM-5PM)
$180/hr. (5PM-7PM)
$300/hr. (7PM-9PM)

Analyzer Training

$200 (Aurora) + Instrument Usage


Free (Ross Flow Core Users)

Policy Orientation Only


User will be billed the maximum of either time reserved or actually used on the instrument, rounded up to the nearest 30 minutes for Calibur or nearest 15 minutes for Aurora and LSRII.
The minimal usage per session is 30 minutes on all analyzers, and 60 minutes on sorter


Analyzers are self-analysis instruments. Staff assistance for Aurora and LSR II can be requested by appointment with additional fee.

Training for Analyzers

Policy orientation is a mandatory requirement to every user.  Technical training is optional if you are able to work independently on the analyzers.  Technical training session includes instruction on the operation of the instrument and the use of the software


Consultation for multi-color panel design and other flow cytometry questions are limited to our core users only.

Cancellation and Modification

Reservations for analyzers must be canceled or modified at least 24 hours before the scheduled time.  Reservations for Aria sorter must be canceled or modified at least 48 hours (2 business days) before the scheduled time. Failure to cancel will result in charges for the full time reserved. For cancellations time without filling by other use, the user will still be billedThere is a cancelation fee for first schedule on Aria sorter

Late Arrivals

Late arrivals interfere with subsequently scheduled activity; the user will be billed from the start of the time reserved to the actual finish time. The next user scheduled after a late arrival user has the right to start at their scheduled start time. The late arrival user should make provisions to rebook an open time slot.

Data Storage 

It is the user’s responsibility to copy, transfer, and store data at your own storage immediately after done. Core will delete data periodically from software and from the computer without notice, and is not responsible for any data loss, including computer crash.