In article <48nlb2$2r7s at tigger.cc.uic.edu>, Keld Sorensen <KeldS at uic.edu>
>[snip..stuff about comparison between IDA and NTA for Ni-IMAC]
>>... I have had good experiences with Ni-IDA with no bleeding.
>I am using TBS - with PBS there is some release of Ni.
That _means_ that IDA's affinity for Ni _is_ low!