[OpenSPIM] OpenSPIM Digest, Vol 47, Issue 3

Mon Jul 31 14:19:30 CDT 2017

I had no problem using a Dremel tool with the round diamond tip.

Best, 

Tim  

On 7/31/17, 3:17 PM, "OpenSPIM on behalf of Weiss, Kurt" <openspim-bounces at openspim.org on behalf of KWeiss at morgridge.org> wrote:

    Dear All, 

    I would also suggest that if you have access to a micro-fabrication or photolithography lab cutting the glass with a dicing saw (made to cut silicon or glass wafers) did a very nice job cutting the Edmund slide to size per Wiebke's instructions. 

    We are also designing a more SPIM- and user-friendly alignment tool similar to the commercial version which we hope to produce at scale and make available to the community soon. 

    Regards, 
    Kurt

    -----Original Message-----
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    Sent: Monday, July 31, 2017 10:43 AM
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    Subject: OpenSPIM Digest, Vol 47, Issue 3

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    Today's Topics:

       1. Alignment of light sheet (Kathleen Chen)
       2. Re: Alignment of light sheet (Wiebke Jahr)

    ----------------------------------------------------------------------

    Message: 1
    Date: Mon, 31 Jul 2017 11:22:34 -0400
    From: Kathleen Chen <chens18 at rpi.edu>
    To: openspim at openspim.org
    Subject: [OpenSPIM] Alignment of light sheet
    Message-ID:
    	<CAGv7iOjDuqO-u0CWUrP+pN5ooz6PKor5iTHej1mcYWD2PfPObQ at mail.gmail.com>
    Content-Type: text/plain; charset="utf-8"

    Hello OpenSPIM members,

    I was wondering how other members performed the alignment of the light sheet.

    The wiki suggests the use of a portion of the Edmund Optics Multi-Grid test grid glued to a syringe with a small mirror. However, there are not many details regarding the making of this test grid/mirror syringe part so I have been having some trouble with the alignment.

    This method seems to require cutting out the grid from the EO part, which from the images seems to be metal. Also, can this grid/mirror syringe setup be reused or do we need to use a new grid every time the sheet needs to be aligned? Have others experienced any trouble with this or do you have any tips/suggestions?

    Thank you,
    Kathleen Chen
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    Message: 2
    Date: Mon, 31 Jul 2017 17:44:29 +0200
    From: Wiebke Jahr <jahr at mpi-cbg.de>
    To: openspim at openspim.org
    Subject: Re: [OpenSPIM] Alignment of light sheet
    Message-ID: <9bfbf717-12e7-f8a4-5585-3d1a8ed6135f at mpi-cbg.de>
    Content-Type: text/plain; charset="utf-8"; Format="flowed"

    Hello Kathleen,

    attached is an image of the tools that you can use for alignment: left a homebuild version (without grids), right a professional version (unfortunately not for sale).

    The Edmund Multi-Grid test is based on a standard glass coverslip; the patterns are a very thin metal coating. You can cut the glass coverslip with a diamond pen, but getting the small pieces you need is somewhat tricky. Apparently it works better when you first make all the cuts needed, then break the coverslip.

    The test target can be reused. Ideally, just use distilled water in your chamber while aligning. If you need to use buffer, inspect the glue regularly to make sure it does not dissolve (may damage your objektives if it's in solution and then deposits on them) and rinse the test target afterwards.

    Best, Wiebke

    --
    ------------------------------------------------------------
    Wiebke Jahr
    PhD Student
    Tel. +49 351 210-2768

    Huisken Lab,
    Max Planck Institute of Molecular Cell Biology and Genetics Pfotenhauer Str. 108, 01307 Dresden
    ------------------------------------------------------------

    On 31/07/2017 17:22, Kathleen Chen wrote:
    > Hello OpenSPIM members,
    >
    > I was wondering how other members performed the alignment of the light 
    > sheet.
    >
    > The wiki suggests the use of a portion of the Edmund Optics Multi-Grid 
    > test grid glued to a syringe with a small mirror. However, there are 
    > not many details regarding the making of this test grid/mirror syringe 
    > part so I have been having some trouble with the alignment.
    >
    > This method seems to require cutting out the grid from the EO part, 
    > which from the images seems to be metal. Also, can this grid/mirror 
    > syringe setup be reused or do we need to use a new grid every time the 
    > sheet needs to be aligned? Have others experienced any trouble with 
    > this or do you have any tips/suggestions?
    >
    > Thank you,
    > Kathleen Chen
    >
    >
    > _______________________________________________
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    > OpenSPIM at openspim.org
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