ELISA for DNA/RNA?

[frist at ccu.umanitoba.ca]

Has anybody come up with a way of fixing DNA or RNA to the bottoms of
microtiter plate wells? Say, for example you wanted to fix total RNA
samples from a large number of tissue samples (eg. a timecourse
experiment), and then hybridize with a biotinylated probe. Next add
streptavidin-conjugated alkaline phosphatase, and substrate, and read the
result in your microtiter plate reader.  Essentially  we're talking about
an ELISA for DNA.

---------|           |-----------
         |   %%%%%   | streptavidin-conjugated enzyme
          \  ----   / biotinylated antisense RNA probe
           \ ~~~~  /  unlabeled total RNA (fixed to plate)
            ------     

This is such an obvious idea that I would think there must be a kit
somewhere for it, but I don't recall having seen it in the literature.

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