I personally have always had to resort to agarose gel separation and extraction when trying to selectively purify at this small size.
Have a look at this link, I would say it sums up pretty much what is achievable using SPRI :
https://ls.beckmancoulter.co.jp/files/appli_note/Gel_Free_Using_SPRIselect.pdf
(I am in no way affiliated with this company, have never purchased any of their products and can neither advocate for or against them. However, I do like their graphs.)
Cheers
Tim M
- This reply was modified 9 months, 3 weeks ago by admin.