Douglas A. Campbell, Ph.D.
Professor & Canada Chair in Phytoplankton Ecophysiology
Mount Allison University
New Brunswick, Canada
Dr. Campbell’s story:
Doug Campbell did not know OLIS and we did not know him when he learned about the CLARiTY. We had made a fiscal contribution to a plant physiology meeting he attended and he noticed our flyer introducing the CLARiTY. Immediately, he stopped the purchase of a mass-produced UV/Vis with integrating sphere and purchased an OLIS CLARiTY built around the modernized Cary 17 UV/Vis/NIR spectrophotometer. Today, this instrument is bedecked with a sign reading “Spectrophotometer of the Gods.” When it came time to purchase another spectrometer, Doug worked with us to design a “pump-probe” model which was delivered in early 2015. This system is physically tiny relative to the CLARiTY 17 and has the unique ability to ‘pump’ the sample with microsecond precision actinic illumination from up to 7 LEDs and then ‘probe’ the suspension of living cells with UV/Vis spectra.
Congratulations and continuing success to the purchaser of CLARiTY #5 (the model 17) and CLARiTY #23 (the model VF Pump Probe), who identifies his work as “We study the ecophysiology of phytoplankton, with particular emphases on Photosystem II and the Photosystem II inactivation/regeneration cycle, resource allocations and analyses of the costs of growth and acclimation to environmental variation, and new, integrative approaches to quantify and analyze these processes.”
Rising CO2 Interacts with Growth Light and Growth Rate to Alter Photosystem II Photoinactivation of the Coastal Diatom Thalassiosira pseudonana
PLoS ONE 8(1): e55562.
The RUBISCO to Photosystem II Ratio Limits the Maximum Photosynthetic Rate in Picocyanobacteria
Life 2015, 5, 403-417.
Data sent to OLIS by Dr. Campbell's lab in April, 2014.
Pictured below is the CLARiTY 17 in Doug's lab adorned with a homemade "Spectrophotometer of the Gods" sign.