[Demelerlab] Cell housing defects

[Borries Demeler]

They are at least 5 years old, which is when we bought the Optima and got
our last set of housings and cell assemblies.
There is also the possibility that a few are from San Antonio when I got
the first optima in April 2017, but I had to leave most components that did
not come with either of these optimas there when I left. So I think the
oldest ones are probably from 2017.
-Borries

On Wed, Oct 11, 2023, 06:59 Harrington, Nick (Nicholas) J <
NJHARRINGTON at beckman.com> wrote:

> Borries,
>
> It was nice speaking with you yesterday!  I will pass this information
> along to our business unit and service team.  I am sure they are going to
> inquire about the cell housing age.  I assume you likely have a fairly
> decent amount of cell housing and spare part inventory, but do you know how
> old these are?  IE- when these particular cell housings were
> ordered/received?
>
>
>
> Thanks,
> Nick
>
>
>
> Confidential - Company Proprietary
>
> *From:* Borries Demeler <demeler at gmail.com>
> *Sent:* Tuesday, October 10, 2023 6:06 PM
> *To:* Harrington, Nick (Nicholas) J <NJHARRINGTON at beckman.com>; Singh,
> Amit <ASINGH06 at beckman.com>; Martyniw, Wally (Walter) <
> wmartyniw at beckman.com>; Siu, Raymond <RSIU at beckman.com>;
> demelerlab at biophysics.uleth.ca
> *Subject:* Cell housing defects
>
>
>
> Hi Nick, We have a recurring issue with the glue used to keep the key
> guide inside cell housings in place. The glue seems to degrade/deteriorate
> over time, causing the key guides to fall out or pop up (see red circle),
> and when they stick out,
>
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> Hi Nick,
>
> We have a recurring issue with the glue used to keep the key guide inside
> cell housings in place. The glue seems to degrade/deteriorate over time,
> causing the key guides to fall out or pop up (see red circle), and when
> they stick out, they prevent the user from inserting window holders or
> centerpieces, since the end of the guide pin is blocking it -see pictures
> below:
>
>     Pin is still in the key guide slot, but sticking out where the glue
> has broken down, blocking insertion of other cell components (window
> holders, centerpieces).
>
>
>
>    Here the key guide has fallen out completely, cell components can be
> inserted, but the alignment is not assured, which is critical for the
> centerpieces of course.
>
>
>
> In the past I simply gave these housings to Richard Kanady (San Antonio)
> who would swap them out for me. I understand he took them back to their
> manufacturing and they would simply glue the keys back in. I got about 10
> of them right now in this state that are currently useless. It would be
> great if you could swap them out or fix them, we badly need them for
> multi-sample experiments. I already asked my service engineer (Amit Singh),
> but apparently there is nothing he can do about this without the serial
> numbers on the housings, which are curiously all the same:
>
>
>
>
>
> (305552)
>
>
>
> Thanks so much, -Borries
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