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Characterization Of Cu-Rich Aggregates In Neurogenic Niches Of The Rodent Brain By X-Ray Fluorescence Microscopy, Brendan T. Sullivan
Characterization Of Cu-Rich Aggregates In Neurogenic Niches Of The Rodent Brain By X-Ray Fluorescence Microscopy, Brendan T. Sullivan
Open Access Dissertations
Copper is an essential element in the brain playing several critical roles ranging from neurotransmitter synthesis to ATP production. As Cu is typically present in micromolar concentrations and has a spatially capricious distribution in the brain, determining concentrations has historically been challenging. X-ray fluorescence microscopy (XRF) offers excellent spatial resolution (down to 30~nm) and detection limits (sub parts per million), making it an excellent tool for analyzing metal distributions in the brain. Using XRF, it is demonstrated that Cu-rich aggregates with concentrations in the hundreds of millimolar are present in the subventricular zone of rats and mice. As the subventricular …