Hi,
A crazy solution may be to make a cuvette with a 3D printer. I'm not sure if the available resins are transparent to DLS.
Best wishes,
Reza
Reza Khayat, PhD
Assistant Professor
The City College of New York
Department of Chemistry, MR-1135
160 Convent Avenue
New York, NY 10031
Tel. (212) 650-6070
www.khayatlab.org
---- Original message ----
>Date: Thu, 14 Aug 2014 15:13:48 -0700
>From: CCP4 bulletin board <[log in to unmask]> (on behalf of Daniel Anderson <[log in to unmask]>)
>Subject: Re: [ccp4bb] dynapro DLS cuvettes
>To: [log in to unmask]
>
>Hello, Gloria and everybody,
>
>I'm typing most of this reply from memory.
>
>When I tried to buy one, my recollection was that it was available from
>Hellma, but I couldn't (and still can't) find my Hellma paper catalog,
>and for some reason I did not find the Hellma web site when I wanted to
>buy a cuvette. I have since learned to spell "Google".
>
>I have the starnacells dot com paper catalog in front of me. What you
>want is almost catalog number 16.12F-Q-1.5/Z15. The Z parameter should
>probably be closer to 14 than 15mm.
>
>That catalog number from Starna is probably the one that I bought some
>years ago, and here is my recollection of what happened: The cell
>arrived, and I found that light did not go through unless I pushed it
>sideways. I measured the old Dynapro cuvette, and it was 12.45x12.45mm.
>The cell from Starna was 12.25x12.35mm. I returned it and Starna sent me
>a replacement that was 12.35x12.25mm. When this comedy of rectangular
>cuvettes tired me I returned the nth cell that they sent me and gave up
>trying to buy one.
>
>One more detail: the above recollections are about a 13,714-year old
>DynaPro with the microcuvette device added as post-translational
>modification. It's so old that the serial number is probably negative. I
>don't know if a more recent instrument has the same cuvette holder geometry.
>
>I hope that partial information helps,
> Dan
>
>
>
>
>Gloria Borgstahl wrote:
>> Does any one know of a source of these cuvettes?
>> Protein Solution doesn't exist anymore
>> and Wyatt no longer has these.
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