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Hi,

to add my thoughts I believe that what your friend is looking for is the OryxNano from Douglas Instruments. We use it for screening, and it is a really trouble free machine. The consumables are not expensive (plates and sealing tape actually) and the price is rather low. I would think that for small crystallization groups (like ours) is the best robot you can buy if you have a small budget. I always thought that the posh mosquito is for big academic labs or companies that can really afford the rather large amount for consumables it requires.

best wishes

Demetres


On 4/9/2013 4:57 μμ, Artem Evdokimov wrote:
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Hi,

The most rock-solid robotic screening platform in my experience has been the Mosquito. It has a supply spend of ~$2000/reel of tape which has ~27,000 tips on it so it's roughly 9-9 cents per tip - so per plate with thee proteins on it it's about 3 bucks depending on how you organize the set up. 

Not to say that other machines are bad, no - there are plenty of good instruments out there but in my opinion Mosquito has unbeatable combination of robust, repeatable set up, disposable tips and accuracy. In my career I've tried or owned about 90% of all devices out there (I guess that's the advantage of having several industrial positions in a row) and so I am fairly confident that this is not a biased comparison.

Artem

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P.S. naturally I am not affiliated with TTP in any way. Caveat emptor.


On Tue, Sep 3, 2013 at 10:42 AM, Jinyi Zhu <[log in to unmask]> wrote:
Dear CCP4ers,

Sorry for the off topic question. A friend of mine is considering purchasing a crystallization screening robot and would like to know which one would suit his need best. His lab would use the robot occasionally for screening and have a limited budget. He also wants minimum supply purchases for the robot. Could you kindly suggest some models? Thanks!

Btw, I have personally used Douglas OryX, ARI crystal Pheonix, Mosquito and Hydra II-Edrop systems.

Best,

Jinyi


-- 
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Dr. Demetres D. Leonidas
Associate Professor of Biochemistry
Department of Biochemistry & Biotechnology
University of Thessaly
26 Ploutonos Str.
41221 Larissa, Greece
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Tel. +302410 565278
Tel. +302410 565297 (Lab)
Fax. +302410 565290
E-mail: [log in to unmask]
http://www.bio.uth.gr
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