I am trying to propose a proiect that will measure brain PO2 using a PO2 sensor (licox or oxylite) in awake unrestrained Rat´s brian
I'm not sure if this is exactly what you're looking for, but there are a number of papers which measure changes in O2 after cannabinoid administration. Below is a small selection of studies which take a look at O2 one way or another in brain homogenates or in vivo as is the case with the Cheer paper.
Effects of 1-delta9-tetrahydrocannabinol, dl-amphetamine and pentobarbital on oxygen consumption by mouse brain and heart homogenates.
Dembert ML, Harclerode J.
The influence of delta9-tetrahydrocannabinol, cannabinol and cannabidiol on tissue oxygen consumption.
Chiu P, Karler R, Craven C, Olsen DM, Turkanis SA.
Changes in body temperature and oxygen consumption rate of conscious mice produced by intrahypothalamic and intracerebroventricular injections of delta 9-tetrahydrocannabinol.
Fitton AG, Pertwee RG.
Cannabinoid modulation of electrically evoked pH and oxygen transients in the nucleus accumbens of awake rats.
Cheer JF1, Wassum KM, Wightman RM.
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