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Elisa

The enzyme-linked immunosorbent assay (ELISA) (, ) is a commonly used analytical biochemistry assay, first described by Eva Engvall and Peter Perlmann in 1971. The assay uses a solid-phase type of enzyme immunoassay (EIA) to detect the presence of a ligand (commonly a protein) in a liquid sample using antibodies directed against the protein to be measured. ELISA has been used as a diagnostic tool in medicine, plant pathology, and biotechnology, as well as a quality control check in various industries. In the most simple form of an ELISA, antigens from the sample to be tested are attached to a surface. Then, a matching antibody is applied over the surface so it can bind the antigen. This antibody is linked to an enzyme and then any unbound antibodies are remov… more »

Year:

2004

4:52

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Just like Queens, the leaves move gently as their shadows obey with natural synchronism
Would they mind me? If they knew that I'm here watching and I am wishing I could dance like themâ?¦ohâ?¦oh

And now they surrender to the strong light
Changing their colors with the heat
I certainly don't know where I am but I know where I wanna be

And they are sayingâ?¦everything follows everything
I guess I'm trying to believe
Everything follows and I am trying, and someone's singing to me now

Close to me, no matter how much time we can spend apart we're still together like we're one
And just like leaves, we will take our chance to fly and we'll learn not to fear the ground by falling down
Another day to fill up somewhere floating on the line of time
I blow a little wish in my hand, sending it back to the sky

And they're saying everything follows everything
I guess I'm trying to believe
Everything follows 
I'm trying and someone's singing to me now

That I will be with you again
Oh I will be with you again

As they say everything follows everything
I guess I'm trying to believe that
Everything follows and I'm trying, and someone is singing to me now..
That I will be with you again
Oh I will be with you again

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