Working Group 1
Quality Assessment and Reproducibility for Instruments & Images in Light Microscopy
The Consortium for Quality Assessment and Reproducibility for Instruments and Images in Light Microscopy (QUAREP-LiMi), formed by the global community of practitioners, researchers, developers, service providers, funders, publishers, policy makers and industry related to the use of light microscopy, is committed to democratizing access to quantitative and reproducible light microscopy and the data generated by it.
Our mission is to provide a comprehensive set of community-agreed guidelines, protocols, automation procedures and other resources aimed at improving quality control, quality assurance, and instrument/method calibration. The stakeholders advocate for the use of the highest level of reproducibility for data generated by light microscopy methods in scientific research and biotechnology applications. In support of achieving its mission, QUAREP-LiMi:
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sanctions Working Groups to form teams that focus on specific technical or outreach topics;
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maintains, disseminates, and teaches best practices, protocols, and software tools; and
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collaborates with providers of reference materials or instrumentation or other tools that enable the easy implementation of best practices at the community level.
We came together in our first online Web meeting on the 28th of April, 2020, with about 50 attendees. By now (24st of April 2024), the network has grown to 620 people from 41 countries worldwide. We have members from academia (research labs, core facilities), national microscopy communities, companies involved in the microscopy business, organizations or institutions related to standardization on a national or international level, and scientific publishers and observers from funding agencies (see the graph below and on the member page for an overview).
Ten working groups (WGs) were established in the 2nd General Meeting on the 9th of July 2020 to bring our common aims quickly forward. Our web page gives an overview of QUAREP-LiMi’s work. In the 3rd General Meeting, WG 11 “Microscopy Publication Standards” and later WGs 12 “Image Visualization and Analysis” and 13 “Phototoxicity” were established. WG 14 “Environment” and 15 “FLIM” are in the process of being established, and WG 8 is restructured to work on “Education, Training and Outreach”.
QUAREP-LiMi operates a NextCloud and an OMERO server, serving as a centralized repository and exchange point for our collective work. These platforms facilitate collaboration and data sharing among our members.
QUAREP-LiMi is absolutely open to new members, and we are looking forward to your contribution. If you are interested in joining our initiative, please fill out our membership form. Use our form for changing your working group (WG) or joining a new WG. For any further questions, please contact us.
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Working Group 2
36th meeting, 13th of November 2023
Meeting date
13/11/2023 @ 5:00 PM (CET/CEST)
Meeting summary
After a short session of QUAREP-LiMi news and updates on our other running projects, we mainly focussed on our planned paper which should accompany the publishing of our protocols. We discussed main aspects, determined topics which need to be addressed and members who our responsible for working on the topics. To be able to have time to do so, we decide to skip the meeting in January 2024.
Working Group 3
Working Group 4
6th meeting, 18th of May 2021
Meeting summary
We have generated a detailed protocol and are currently testing the following parameters: 1) how does bead size affect the coregistration accuracy. We test 200nm, 1µm, and 5µm beads at the moment. 2) are the suggested settings from the iso manual neccessary, or can we generate a more convenient protocol. We test the impact of pixel size and z-step size (16nm/40nm, and 70/200nm).
From first measurements, we have seen that a variation from speciment preparation can be rather high. Thus, one of us (Aurelien) is creating the samples for the rest of WG4.
Working Group 5
40th meeting, 13th of June 2024
Meeting date
13/06/2024 @ 3:30 PM (CET/CEST)
Meeting summary
We discussed the ELMI workshop, including how it went and what we could improve. We also covered the process of OMERO uploads and linking them to Airtable for tracking results, as well as the filenaming nomenclature.
Working Group 6
Working Group 7
Working Group 8
Working Group 9
Working Group 10
22nd meeting, 11th of October 2022
Meeting date
11/10/2022 @ 4:00 PM (CET/CEST)
Meeting summary
The WG10 is back after summer break. A new organization will be proposed and a distribution of the tasks to be accomplished will be made.
A V2 document will be presented too.
We hope to see many of you on this occasion!
Working Group 11
21st meeting, March 23rd 2023
Meeting date
24/03/2023 @ 12:00 AM (CET/CEST)
Meeting summary
1-We will review the Bare Minimal Requirements Checklist for “Methods” journals. You can all review it here: https://nextcloud.quarep.org/index.php/s/544SCiDkKHns9rj
2-We are also switching gears and will continue with the WG11 mission, which as you all know will include more comprehensive requirements. Below, please find the link to the document we will be working with today.