Re: UV (BB / Bilirubin) Tubes?

Richard Sullivan (richsul@roadrunner.com)
Thu, 06 Nov 1997 20:52:49 -0700

At 09:52 PM 11/6/97 -0500, you wrote:
>Bilirubin exists in a conjugated and unconjugated form in the blood.
>The unconjugated form is not soluble in water and can not be excreted
>by the kidneys. In infants where hemolysis is a problem this form can
>cross the blood-brain barrier and cause permanent brain damage.
>Ultraviolet light converts this form of bilirubin into a more soluble
>form. So the answer to your question is YES, you can use the
>bilirubin tubes expose UV sensitive materials since they are in
>essence a UV light source.
>
>

Well I'll be! Stuff a print frame and a couple of kiddies under the light
bank.

What you can't learn in alt-photography.

Just as an aside, I've been in engineering and related science fields most
of my life. I have seen many engineering problems solved by some *trivial*
bit of knowledge dredged up from some deep mental recess. Alt-photography
is really just another form of engineering. The flip side is that
engineering is art. Any engineers disagree?

The engineering aspect of alt-photography is especially important for those
working to invent new forms but not be ignored for those who are trying to
improve old ones, and who isn't trying to improve their technology.
Engineers are forever stuffing little bits of *trivia* into their heads.
Hell, it's trivia until it has a use, and engineers put it to use.

I am just blown away by the geniuses of the past. Daguerre, Herschel,
Willis, Land, Mannes and Godowski, all were great engineers. Ever read a
description of how color polaroid works. I still don't believe it.

Dick Sullivan

Bostick & Sullivan
PO Box 16639, Santa Fe
NM 87506
505-474-0890 FAX 505-474-2857
http://www.bostick-sullivan.com