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Lighthouse Core Facility

The Lighthouse Core Facility was founded to give investigators access to a broad spectrum of fluorescence-based technologies useful in answering research questions in the areas of cell and molecular biology. For more information about what instruments and services are available at the facility and how you can take advantage of what we have to offer, click on the appropriate sections below.

Universitätsklinikum Freiburg
Zentrum für Translationale Zellforschung (ZTZ)
Department of Medicine I
Tumorzentrum Freiburg - CCCF/DKTK
Center for Chronic Immune Deficiency - CCI

Online Booking:

Online Booking Calendar (registration required)

Head of Facility:

Marie Follo, Ph.D.
Telephone: 0761 270-77697
Telefax: 0761 270-63780
Email: Marie Follo


Universitätsklinikum Freiburg
Lighthouse Core Facility

Zentrum für Translationale Zellforschung (ZTZ)
Breisacher Straße 115
D-79106 Freiburg


Fortessa Trainings

Content of the Basic Fortessa Introduction Course

  • Principle & construction of a flow cytometer
  • Startup operations, operation and shutdown procedures
  • Replacement of sheath and waste canisters
  • Sample preparation
  • Sample measurement
  • Sample handling and disposal of GMOs according to the “Gentechnikgesetz (GenTG)”
  • Spectral overlap compensation
  • Operating FACSDiva software
  • Troubleshooting
  • Operating booking system and input screen (for billing)
  • Optional: More detailed informations about FACSDiva & flow cytometry

Since June 2020 we offer the newly designed training courses for the FACS Fortessas and the flow cytometry basics.. 
The regulations for keeping the minimum distance make it impossible to keep the previous training form. Therefore, we were switching to largely contact-free online training. 
If you would like to use our Fortessa flow cytometers (or the Canto II) and have not yet received instruction on these instruments from us, please send us an email to facslab(ät)uniklinik-freiburg.de. You will then receive an email from us with all details and information.

Among them are: 

  • several links to instructional videos
  • an on-site appointment for questions and the short written test

You will then have about 1 week time to watch the videos and fill out forms if necessary.

At the individual on-site appointment (duration about 30 - 40 mins), the formalities will then be completed and, if possible, the authorization to use the equipment will be granted.

The next dates for the on-site appointments and final exams are planned for:

  • 16.06.2023
  • 26.06.2023
  • 11.07.2023
  • 27.07.2023
  • 08.08.2023
  • 24.08.2023
  • 01.09.2023
  • 19.09.2023
  • 05.10.2023
  • 19.10.2023
  • 31.10.2023
  • 16.11.2023
  • 30.11.2023
  • 12.12.2023
  • to be continued

SONY Spectral Analyzer

We offer basic user introductions for the Sony FACS Analyzer in the Lighthouse Core Facility.

The event is limited to a max. no. of 2 participants. The introduction can be in German or English. If you are interested please email us (sony(ät)core-facility.de and date of the training you would like to book) for a binding reservation.

Where: Lighthouse Core Facility, ZTZ, ground floor, room 009, bay 3 at the Sony Analyzer

When: All possible dates and times are here...

Visiting any introduction is free of charge and required before using the Sony Analyzer at the Lighthouse Core Facility.

Please bring pen and paper for your notes in any case and your own lab coat if you are based at ZTZ.

Note: The number of participants is limited and the registration is binding after confirmation by us. If you are unable to attend, please let us know as soon as possible. So there is still a chance for substitutes.

More information about the course.

Online Booking System

Our booking system for our equipment:  All booking calendars are accessible via the internet from outside the Uniklinik intranet. 

Apply in time and register now at http://booking.core-facility.de. So that you can continue to use our devices and our service.


Sorter Booking Online

For the cell sorters, you can use the new calendar to look online at current bookings to find an available sorting slot, and you can even request a specific sort time by provisionally reserving a sort appointment in advance. If the requested appointment is accepted, you will receive a written confirmation of the desired appointment. Only then is your sort appointment considered "officially" to be scheduled.

Our new calendar system can be easily accessed, even from outside the Uniklinik network via the Internet. However, to access the system you first have to register as a user in it. For users with an Uniklinik LDAP login the registration process is very straightforward. Using your LDAP login and the corresponding password you can log in. This will automatically send us a request to activate your account. Once your user account has been activated, you will receive a one-time confirmation email from us. After that, you can then use the system.

External users (Vorklinik, University) can also access the system. To do so, please visit http://booking.core-facility.de and click "First Time User? Register".

The address of the new Lighthouse booking system can be found at the following link: https://ztz-buchung.uniklinik-freiburg.de/Web/index.php (or just http://booking.core-facility.de)


Recognized core facility of the Medical Faculty

Lighthouse is a recognized Core Facility of the Medical Faculty of the University of Freiburg.

Research Infrastructure Page of the Faculty of Medicine


Lighthouse is part of the RIsources Database of the DFG.

The RIsources listing simplifies applying for funding for the use of Lighthouse services within DFG grant applications.

Lighthouse RIsources Page


We are also a part of cytometry.de, a national network of cytometrists and cytometry core facilities of the DGfZ / Deutsche Gesellschaft für Zytometrie.




Lighthouse is a member unit of the Microscopy and Image Analysis Platform (MIAP), a tri-national network of microscopy and image analysis facilities from throughout the region, including Freiburg, Basel, Strasbourg and the surrounding area.

Overview of MIAP Partner Units

Please note:

Our user fees cover only a small fraction of our total running costs, most of which in fact are covered by our home institutes (Klinik für Innere Medizin I, Centrum für Chronische Immundefizienz (CCI), Tumorzentrum Freiburg/DKTK and the Medical Faculty. The majority of our machines were financed with the help of outside sources such as the DFG, Land Baden-Württemberg, or BMBF. We therefore depend on proper acknowledgement and listing of the project numbers below.

Lighthouse Core Facility is funded in part by the Medical Faculty, University of Freiburg (Project Numbers 2021/A2-Fol; 2021/B3-Fol) and the DFG (Project Number 450392965).

 Publications, posters or presentations that make use of services or data collected at the facility or by its staff should list these contributions/project numbers accordingly. Thank you.

 If you still have questions about the facility after reading through these pages, feel free to contact us at one of the numbers listed below. 

General Information/Contact:

Telephone: (0761) 270 63770 or (0761) 270 77680

E-mail: facslab"at"uniklinik-freiburg.de