Hi Oleksiy,

If the Akta Start is just for loading affinity columns (without air sensor or software), why not to get a Cyvita peristaltic pump <https://www.cytivalifesciences.com/en/us/shop/chromatography/tools-and-accessories/pumps/peristaltic-pump-p-1-p-00564> for £3k rather than £9k?

They are really good work horses in my experience; they are also overpriced but still much cheaper than the rest?

BW,

D



On 16/09/2022 15:48, Kovtun, Oleksiy wrote:
Hi Eike,

Instead of AKTA Pure I purchased a combo of AKTA Go (€24k with air sensor) and AKta start (€9k with frac collector). It provides two parallel workstations with AKTA start handling the dirty job of loading lysates onto affinity cartridges and the GO doing clean SEC stages. For multiple proteins isolation, this combo beats AKTA Pure flat out for half price. Note that AKTA Start can’t be equipped with an air sensor, and sample loading need to be done by time control. However, we didn’t find it to be an issue. Also, AKTA Start needs a separate version of Uncocrn suite for an extra €1k. So we skipped that and control the system via the built-in touchscreen.

As for the longevity, we need to see. Six months into active operation went smooth—the only malfunction was the Windows update breaking network card drivers.

Best,

Oleksiy


Dr Oleksiy Kovtun
Max-Planck Research Group Leader
Molecular Mechanisms of Membrane Trafficking
Max-Planck-Institute for Multidisciplinary Sciences
City-Campus, Hermann-Rein-Str. 3, 37075 Göttingen
Germany
Email: [email protected] <mailto:[email protected]>
https://www.mpinat.mpg.de/kovtun
Phone:+49-551-3899-410


On 16. Sep 2022, at 09:39, Schulz, Eike-Christian <[email protected]> wrote:

Dear all,
I am considering to purchase a chromatography system for routine protein purification. The device is supposed to be used in a multi-user environment, hence ease of use, ease of training and ease of maintenance is important. I am rather looking for a robust system people like to use than a system that comes with many bells and whistles that no one dares to touch.

  * Is there any particularly _/bad/_ experience with either system?

  * Is there any specific advantage of one system over the other?

  * Does anyone have experience about (long-term) stability /
    performance of the systems?

  * Do you think the higher price-point of the Aekta systems is
    justified?

With best regards,
Eike

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--
Dom Bellini, Xray Crystallography Facility (1S205)
MRC Laboratory of Molecular Biology
Francis Crick Avenue
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