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Alessandro,

I recently added an Ikea white light LED strip, (about 60cm long, don't
remember exact model #, meant for kitchens I think, there is a smaller one
too) mounted under the shelf above the table.
Then I added a wooden strip of wood at an angle, on the edge of the shelf,
extending down about 12 cm, ending up a few cm above the upper edge of the
monitor.

It ended up giving a nice warmish (not too cold, in spite of it being
"white light" leds) diffuse light, not too strong and no heat. We feel this
avoids background signal. I cannot say with regarding to photo-activatable
systems.
Of course you can add strips to block the light according to your own
configuration. I think it's nicer than the small G8T5E florescent lights we
have on the rest of the systems.

We did not try to use red or color leds, because when the light is on, you
want to have light, and non-white is annoying.
Ill try to send you a picture later to your mail.

Avi J.


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On Wed, Apr 23, 2014 at 1:06 PM, Alessandro Esposito <
[log in to unmask]> wrote:

> *****
> To join, leave or search the confocal microscopy listserv, go to:
> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> Post images on http://www.imgur.com and include the link in your posting.
> *****
>
> Dear all,
>
>     we are refurbishing our imaging facilities and we were considering the
> installation of low level lighting in the rooms for two different purposes:
>
>
>
> 1) Safely working in the room without generating background signal in
> images
>
>
>
> 2) Safely working in the room avoiding activation of light-inducible
> systems
>
>
>
> We do have desk lamps, sometimes positioned on the floor or LED spot
> lights of different colour when we need the room to be a dark room (in
> green or red light).
>
>
>
> However, I was thinking to get a more elegant solution such as LED strips
> positioned under the data and power trunking we have in each room. I was
> also considering that, for those rooms where a corridor is present, perhaps
> these strips could be a.) dimmed at an appropiate and fixed intensity  and
> b.) activated by motion.
>
>
>
> We are designing this with off-the-shelf LED strips and controllers, but I
> was wondering if any of you had already implemented something like this
> and could advice solutions or things that seemed good ideas but then
> resulted in inefficient or unuseful gadgets.
>
>
>
> Kind regards,
>
>
>
> Alessandro
>