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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

$150 (Aurora) / $100 (LSR) + Instrument Usage

FlowJo and other analysis software

Free (Ross Flow Core Users)

Panel Design and Consultation

Free (Ross Flow Core Users)

Policy Orientation Only

$20 + 30-min instrument usage

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.


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  before the scheduled time. Failure to cancel will result in charges for the full time reserved. For cancellations made after the cutoff, the user will still be billed.

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 

All data from all cytometers (analyzers and sorters) are removed weekly or daily from browsers. We will not be responsible for storing any flow cytometry data or data generated on analysis workstations, except data from Aurora, which will be stored for five years at our Core. In addition, you are also responsible to store your own dada according to NIH guideline.