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Senior Research Scientist, Pharma Customer

Proteos has provided us with quality protein and has been very professional, communicating with us every step of the way.  The reagents they have prepared for us have enabled our drug discovery projects.  We have great confidence in them and plan to keep sending them challenging projects.

Biotech Consultant, Santa Fe, NM

I contacted Proteos in August 2019 to explore the expression of a protein from a parasite. The Proteos president and CSO recommended some parallel approaches, starting with DNA synthesis, and ending in transfection of HEK cells. The result is that we have enough highly purified protein to create monoclonal antibodies against it, all within four months of project initiation and at budget. While we could not know at the time whether or not the protein was well behaved (it was), the Proteos team did a fantastic job with strategic planning and execution, and met all of our expectations for timing and costs. I strongly recommend them for expression-know how and professionalism.

Director of Antibody Discovery and Development, International Biologics Company, Toronto, ON, Canada

We have worked with Proteos for over a year, mainly for large scale (5-20 L) transient transfections for antibody production and purification. I really appreciate Proteos' quick turnaround from request to quotation (typically within 24-48 hours) as well as their expertise in protein purification. They are also willing to take on work with accelerated timelines and has met or delivered ahead of deadlines on all projects so far. The purity of proteins and quality of work is exceptional.

Director of Immunochemistry Research and Development, Global Healthcare Company, Emoryville, CA

Proteos delivers protein. Conscientious and confidential handling of your important research projects to facilitate your science so you can answer the biological question, without becoming snagged on protein expression and purification issues.  The Proteos team is friendly and enthusiastic and especially good at providing panels of mammalian expressed mAbs, Fc-fusions and other biologicals in quantities required with correct qualities (eg. Low endo) whether you need in vitro and/ or in vivo testing. 

Professor of Biological Sciences, Kalamazoo, MI

I called on Proteos when our lab was having trouble expressing recalcitrant protein.  We did not have the means to switch to a eukaryotic system so rather than start from scratch we worked with Proteos to generate protein.  They were very flexible and worked with us to find a cost-effective alternative, after which time we had protein in-hand!  Their customer service was exemplary and I will contact them again in the future if we run into more trouble.  


Physician, Pediatrics, Grand Haven, MI

I chose Proteos on the recommendation of a colleague at the Van Andel Institute. I was told that the quality of their work and the purity of their product was exceptional. I have been very pleased with how responsive the team has been. They have answered every question as well as helped guide our project towards success. I had the pleasure of touring their facility and was struck with how the entire team took pride in their important work.

Scientific Director, Pharmaceutical Company, South San Francisco, CA

We have been working with Proteos for many years and we are extremely satisfied with the quality, pricing, and turnaround time of their services. They are among our preferred contractors for all our recombinant protein needs requiring the baculovirus/insect cells system.

Senior Scientist, Global Pharmaceutical Company, Princeton, NJ

The preps we have received have been of very high quality and we have appreciated the fast turn around and great customer service.

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