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"I have found the
people at Qubit Systems to be an extremely valuable resource in getting
three different systems up and running. Their knowledge, experience and
unfailing good humour helped me work through a number of issues. They have
provided the best service that I have ever received from a company."
Dr. Diane Robertson, Biology Department, Grinnell College, Grinnell, Iowa
Research Gas Exchange Systems "When purchasing a new gas exchange
system for research purposes, I took a chance with Qubit systems;
they claimed to produce a competitive system at almost half the
price of those of more established companies. I am happy to say
that I am entirely happy with my decision. I now have a reliable
and versatile system that is just as accurate as the more expensive
competition and, because it is modular, can be expanded as my
needs evolve. Most importantly, I received outstanding service
during all phases of purchase: conception, ordering, installation
and continuing help."
Dissolved Oxygen Package "I have tested my new Qubit
system with isolated oyster mitochondria, and was extremely pleased
with the results. I can't believe I was suffering for the whole
year with my old chamber. I have tried three different systems
based on Clarke-type electrodes including this one, and this is
by far the most convenient for use with small sample volumes and
gives a very clean, repeatable trace with the best signal to noise
ratio I ever had with micro-chambers."
Respiration Packages "We purchased twenty
Respiration Packages with support from the Howard Hughes Medical Institute.
With minimal training, all 150 student teams were able to measure the effects
of temperature on respiration rates in mice and lizards. The Qubit Respiration
Package certainly works as advertised."
Dr. Bob Hodson, Department of Biological Sciences, University of Delaware, Newark, Delaware
Plant CO2 Analysis Packages “I have been very impressed
with the value and quality of our Qubit Systems' laboratories. Their simplicity
of design allows students to understand the processes they are measuring
better than our more elegant expensive portable photosynthesis machine.
We plan to take your CO2 system, with portable pump and battery to the tropics this spring for a field course - a trip we are not brave enough to take our $18,000 machine on!" Dr. Judy Parrish, Milliken University, Decatur, Illinois
Photosynthesis Package "I highly recommend the
photosynthesis package for any faculty member who wants to begin to make
a laboratory more research-based and inquiry driven. It
also is very useful to support independent research projects."
Dr. Jim Hoerter, Ferris State University, Big Rapids, Michigan
Nitrogen Fixation Package "My students in plant physiology
found the Qubit Photosynthesis and Nitrogen Fixation systems challenging,
enjoyable and rewarding. The most heartening remark was: 'Now we really
begin to understand whole plant photosynthesis and nitrogen fixation, while
before it was just meaningless book knowledge...'."
Dr. Neil G. Grant, Professor, Department of Biology, William Paterson University, Wayne, New Jersey "We have used both the Photosynthesis
and Nitrogenase assay systems and find them robust and easy to
use. An excellent feature is that the students can assemble the
unit, get it working and then handle the data. This is a great
boon from a teaching point of view in that the students feel that
they are in control and they learn the real pitfalls in setup
and data handling.
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