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  • Zdenka Dudová Po 16.08.2021 21:44

    Hello Massimiliano,

    I hope you are enjoying the summer! Here in the Czech Republic, there is unusually rainy and hot weather I would say. Like subtropical weather, not mild :)

    After some time I have a question regarding LAS. In Leuven, they need to reuse the same tube barcodes for different content (if I understood well the request, please see below our communication).

    I am a bit afraid of what will happen when we delete the barcodes from the system and they will use them in Leuven for other patients and other content. Do you have experience with such a case, please? Emptying (via Aliquots -> QC/QA -> Manual Revaluation) or disabling the tubes (by upload at /biobank/canc/aliquot) is not the solution, I would say, and I didn't find a different solution in the knowledgebase instructions.

    Thank you in advance for sharing your experience and support,

    Zdenka


    Massimiliano Frassà massimiliano.frassa@ircc.it Út 17.08.2021 11:49

    Hi Zdenka

    Everything is going well over here, thank you :). Here in the north-west of Italy the climate is usually pretty humid (especially in summer), although the past week temperatures resembled more those of a desertic valley!! I guess those are all signs that the climate is going a bit crazy in those years.

    Regarding the tubes swaps, I can provide you some insights based on some past cases I had to deal with.

    Generally, if you modify a container barcode within the LAS you have to change its name in the Storage db and propagate the info in Biobanca db, and that would not be a problem. It is an operation that has to be done carefully and that (as always) I suggest you to try on a test database before doing it in production. So far we are assuming that the users want to keep the content of such tubes. If they do not want so, the classical procedure is to use the aliquot/canc API who sets the availability=0 and get rid of them (at least virtually). But still, they would not be able to re-use the container since the aliquot would be "still there" even if unavailable.

    My suggestion would be the following. You could try to: modify the name of the tubes with the current content. Something like "name_old" or "name_" (they'll tell you if they want to keep current aliquots available or not). then they could easily re-create the tubes with the name they want and put some new aliquots inside. The users would just have to recreate the same container (with the same name) and keep working collecting new material. Regarding the aliquots removal, I'd just make them unavailable at first, just to be sure that the connections with mice, implants, cell lines and so on are still safe. Generally, the concept of aliquot deletion procedure works in the opposite direction, that is: we first remove the "products" generated by such aliquots (explants, cell lines, ...) and only then, at the very end, we delete the aliquots (kind of going backwards to the source). Consider also that aliquots may have been shared with others, so to play extremely safe I'd wait before totally delete the content at the first stage.

    Let me know how it goes on and if you have some doubts

    Have a nice day Massimiliano


    Zdenka Dudová St 18.08.2021 17:58

    Dear Massimiliano,

    if I understood well the intension of the users they need to keep the old information and all the connections even they didn't express it explicitly. From this point of view, I like the way that we will disable the tubes by using /biobank/canc/aliquot functionality and then rename the barcodes (probably prefix given).

    Dalibor who will make these changes is on annual leave still this week so I will ask him next week to proceed - and test first, of course.

    We will inform you how it went 😉

    With many thanks and greetings,

    Zdenka

    Edited by Zdenka Dudová
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