Chris;

Try Vincent and Company.  I think they are in New York State or
Pennsylvania.  They make a full line of shutters for almost any
microscope.

Tom

Chris Kushmerick wrote:
>
> We have an Axioskop upright microscope with an HBO 50 lamp.  We would
> like to implement an shutter that would allow us to do simultaneous
> patch clamp and fluorescent imaging.
>
> We want to be able to protect the sample from photo bleaching.  We can
> not simply turn the lamp off/on because of possible radiation damage
> during lamp ignition to the patch clamp amplifier and nearby computers.
>
> The existing slider on the microscope is incompatible with whole-cell
> patch clamp (it causes too much movement of the sample).
>
> Does anyone have a suggestion for a low-cost (<$500) solution to our
> problem?
>
> Thank you,
>
> Chris
>
> --
> Christopher Kushmerick  <[log in to unmask]>
>
> Dept. Farmacologia                              tel 55 31 499 2707
> Inst. Ciencias Biologicas                       fax 55 31 499 2695
> Universidade Federal Minas Gerais
> Av. Antonio Carlos 6627, Pampulha
> 31270-901 Belo Horizonte, MG
> Brasil

--
 Tom Donnelly          Applied Precision, Inc.
 Biotechnology Group   1040 12th Ave. N.W.
 (425)313-4549         Issaquah, WA 98027-8929
 (425)557-1055 fax     Web Site: http://www.api.com/dvsystems.html
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