WG 14 – Room Environment

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WG 14 – Objectives

A stable environment is crucial to operate state of the art microscopes. Commercial instruments are designed to operate under specific room environment parameters, including temperature, humidity, vibration, dust, and electrical/electromagnetic or acoustical noise. 

It is important to adhere to these specifications to ensure accurate and reproducible results. Currently, it is unclear for the light microscopy community how to accurately and routinely measure these parameters and relate own measurements with the required specifications. 

WG14 aims to establish measurement protocols for light microscopy room requirements. Our initial goal will be to develop protocols for measuring temperature at key locations in the room and at the microscope.

WG 14 – Co-Chairs

WG 14 - Latest News

 Upcoming meeting: 15th October 2025, 5:00 pm
Last meeting: 20th August 2025, 5:00 pm

5th meeting, 17th of July 2024

Meeting date

17/07/2024 @ 5:00 PM (CET/CEST)

Meeting summary

After deciding to skip our meeting in September and briefly sharing news from the last QUAREP-LiMi steering committee meeting, we welcomed our new member Glen Doherty.
Following solving some access issues and going over the general handling of the protocols workspace, we started working on our “Measuring room temperature” protocol draft. First, we decided to keep the abstract text as it currently is and get back to it once the protocol itself is finished. We then went on to discuss the first two steps in the protocol draft. We talked about how many sensors are needed and agreed on at least three. Some hints and tipps for an optimal number are needed to be added in our protocol. Important as well is the positioning of the temperature sensors. Several placement problems and considerations were discussed. Also, importance of calibration of the temperature sensors against each other was discussed.
We emphasised the need to decide and state clearly the purpose of a respective temperature measurement protocol. Potentially, different aspects will lead to different protocols. We talked about several aspects of the two main aims, room temperature monitoring and room temperature optimisation, respectively. Optimisation aims can be placement of a microscope within a room or adjustment of air conditioning of the room. Monitoring is important for being able to judge whether a room can meet the temperature requirements of a company at all, as well as how stable the room temperature is over time. One has to consider to measure at different outside conditions (summer and winter, night and day).  In addition, we stressed to focus on temperature measurement but to also mention humidity as an important and temperature-dependent environmental factor. By publishing our protocol including problematic examples, we aim to increase awareness of importance of temperature stability and thus temperature monitoring.
We will continue working on the protocol in the next meeting. Until then, the co-chairs will work on integrating the discussion points from this meeting into our protocol draft.

Meeting documentation

4th meeting, 19th of June 2024

Meeting date

19/06/2024 @ 5:00 PM (CET/CEST)

Meeting summary

At our fourth meeting, an experiment showing the importance of maintaining room temperature very precisely was discussed and a brief introduction to the publication by Kukat C. et al. (DOI: 10.1002/cyto.a.24795) was given. In the experiment, time-lapse recordings of GATTA Quant beads on a slide and temperature trends on the slide were measured with a slow and a fast reacting thermal sensor from Thorlabs (by Roland Nitschke). When he very gently blew warm air onto the slide, he was able to record an increase in temperature along with a shift in focus. As these are preliminary results, further testing and discussion is required to understand the implications of the results. Hans Fried presented the results of Kukat et al. The room temperature measurement strategy used in this publication will serve as a starting point for the development of a room temperature measurement protocol.

Meeting documentation

3rd meeting, 15th of May 2024

Meeting date

15/05/2024 @ 5:00 PM (CET/CEST)

Meeting summary

At our third meeting, we unanimously elected WG14 co-chairs and representatives. The co-chairs selected are Britta Schroth-Diez and Hans Fried. Hans Fried will also serve as the representative for the steering committee, while Roland Nitschke will be our representative for the Editorial Review Board, and Nathalie Aulner will our Ombuds Board representative. Additionally, we outlined the next steps on our agenda. We agreed to start with temperature measurements and to adopt the method outlined in Kukat C. et al (DOI: 10.1002/cyto.a.24795) as a foundation for discussing and crafting a protocol. This protocol will include details regarding the type of thermos sensors to be utilised, the optimal quantity of sensors, and their placement. Furthermore, we discussed about and agreed on the name for our working group to be WG 14 Room Environment.

Meeting documentation

2nd meeting, 10th of April 2024

Meeting date

10/04/2024 @ 5:00 PM (CET/CEST)

Meeting summary

After talking about basic organisational matters, we discussed WG14 Co-chairs and representatives : We need at least two co-chairs who will serve initially for a two-years term. In addition, we need representatives for the SC, the ERB, and the OB. Please think about your potential candidacy. We confirmed to vote for our co-chairs and WG14 representatives during the 3rd meeting in May. The main topic on the agenda of our 2nd meeting was to discuss and finalise the WG14 Mission statement: The discussion was based on the draft prepared beforehand by a small group. We agreed to publish the final statement as soon as possible on the QUAREP-LiMi website. The possibility of adjusting the name of WG14 was shifted to the May meeting.

Meeting documentation

1st meeting, 20th of March 2024

Meeting date

20/03/2024 @ 5:00 PM (CET/CEST)

Meeting summary

We agreed on some general operation topics and had a great brainstorming session: Meetings: We agreed to meet monthly for one hour every 3rd Wednesday of a month at 5PM CE(S)T. If necessary, there will be exceptions to the rule, which will already be the case for our 2nd meeting: We agreed on shifting our April meeting to April 10th. The May meeting will take place on the regular date, May 15th. Co-chairs: We need at least 2 co-chairs who will serve initially for a two-years term. We will vote for our co-chairs during the 3rd meeting in May. Main Aims: We discussed important topics to focus on: temperature, dust, humidity, vibrations, electrical distortions/noise. We plan to set up protocols, guidelines, and standards for measurements for these parameters. We decided to start working on protocols for temperature first. Mission statement and WG14 name: A small group prepares a draft as basis for our discussion in the next meeting. Based on the mission statement we will think about adjusting the name of WG 14.

Meeting documentation

Memberlist WG 14

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