About Us

At Quansys Biosciences, our teams build and develop customizable multiplex and singleplex assay technologies that allow pharmaceutical companies, clinical laboratories, government institutions, universities and academics around the world access to large amounts of quantitative data quickly and efficiently.

Quansys’s proprietary Q-Plex Array Technology makes it possible to measure up to 22 analytes at one time without compromising assay performance. Quick read times, customization, and highly sensitive assays help researchers to better understand disease and improve their biological sample testing.

Quansys Biosciences was founded by Dr. Rex S. Spendlove in 2005. Dr. Spendlove is also the founder the one of the world leaders in cell culture media, Hyclone Laboratories, now a part of the GE Healthcare and Thermo Fisher Scientific families.

Products & Services

  • Q-Plex™ Arrays – These multiplex ELISAs and singleplex ELISAs maximize the data generated with each precious sample at a low cost per data point. Choose one of our standard kits or customize the exact array you need.
  • Q-Plex™ Imagers – High quality, low-cost, imaging systems for chemiluminescent array imaging.
  • Q-Plex™ Software – A User-friendly image analysis package that enables the acquisition and analysis of large amounts of multiplex ELISA data.
  • Custom Development and Printing – We specialize in building multiplexed assays for your specific testing needs. Get the results you want without paying for those you don’t.
  • Sample Testing Service – Take advantage of the productivity and cost benefits of multiplex immunoassays without investing in additional equipment or personnel.

Customer Loyalty

As researchers and problem solvers ourselves, we understand the value of sound data. We are proud to be a part of research that can better the world. We value the relationships, partnerships, and friendships that we have built with the people who trust and use our technology. We are committed to building these relationships. You can count on us to answer the phone and take time to thoroughly address questions or concerns about any of our products. In an industry that is reputed for grandiose claims, we trust that our quality standards and our customer service set us apart from the competition. If you’re happy with our products or if you think we can do something better we hope you will let us


Quansys Biosciences is located in Cache Valley near Utah State University in Logan. The close proximity to the University allows us to hire highly trained and highly qualified individuals.

Quansys Biosciences
365 North 600 West
Logan, Utah 84321