Re: Radio opaque biomolecule?

thank you for your response. I'll look to it...

On Jan 2, 7:11 pm, Jelmer Cnossen <j.cnos...@gmail.com> wrote:
> It largely depends on the wavelength whether this is useful. According to
> wikipedia, the smallest wavelength that still counts as "radio waves" is 1
> millimeter, so you can only see stuff bigger than that. That rules out
> any subcellular structures. And at this size, you can just as well put the
> thing in MRI (Not really diybio though ;) )
> Next to that, the reason that radio waves are harmless is probably because
> no biological structures are organised enough on that wavelength scale to
> take up energy from it.
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> On Mon, Jan 2, 2012 at 7:40 AM, Veera <drveera...@gmail.com> wrote:
> > Recently i had some ideas about radioimaging gene expression. There
> > are many ways to study gene expression like using flourescent protien
> > tags. but all those requires sacrificing the animal for taking tissue
> > sections for immuno histochemistry. so i was searching some concepts
> > for visualizing gene expression within specific tissues inside the
> > body by some imaging techniques.Incidentally i came across bio
> > activated contrast agents.You can see that in this link <link>http://
> >www.nibib.nih.gov/HealthEdu/eAdvances/23Oct06<link>. But instead of
> > using contrast agent i'm just curious to know is there anything like
> > any protien or any biomolecule which is naturally radio opaque whose
> > gene can be sandwiched with the promoter of the gene of interest and
> > so we can image the the tissue and study the gene expression without
> > killing the animal.....
>
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