Publications by authors named "C Jouanneau"
Skin reactions are well described complications of tattooing, usually provoked by red inks. Chemical characterizations of these inks are usually based on limited subjects and techniques. This study aimed to determine the organic and inorganic composition of inks using X-ray fluorescence spectroscopy (XRF), X-ray absorption spectroscopy (XANES) and Raman spectroscopy, in a cohort of patients with cutaneous hypersensitivity reactions to tattoo.
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- Renal oxalosis is a rare cause of kidney failure, and its diagnosis is complicated. This study aimed to enhance the detection of oxalosis in kidney biopsies using synchrotron deep ultraviolet fluorescence, improving upon existing methods.
- The researchers analyzed the fluorescence spectrum of calcium oxalate crystals and applied this technique to 42 human kidney biopsies, identifying 19 cases of renal oxalosis and 16 controls.
- A new histological scoring system for diagnosing renal oxalosis was created, achieving 100% specificity and 73% sensitivity, linking oxalate accumulation in kidney cells to poorer kidney function and higher urinary oxalate levels.
Infrared (IR) spectromicroscopy allows chemical mapping of a kidney biopsy. It is particularly interesting for chemical speciation of abnormal tubular deposits and calcification. In 2017, using IR spectromicroscopy, we described a new entity called vancomycin cast nephropathy.
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