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As phase CNR is correlated to both magnitude SNR and phase difference for a given echo time, MEMRI assessment by phase imaging at ultra-high field could be hampered by high [Mn 2þ ] if the reduction in ... CONCLUSIONS We conclude from the present study that MEMRI can be assessed by phase imaging at high magnetic field. ...doi:10.1002/mrm.25037 pmid:24259029 fatcat:xhyshvncefd3blzd3crf7buyrm
Both aim to quantitatively explore cerebral energy metabolism, at ultra-high magnetic field, in vivo, in the healthy rat. 13 C NMR spectroscopy, as a tool, enables measuring the progressive incorporation ... , birdcage coil. ... Acknowledgements Preparing the PhD thesis for me was similar to ascending a very high, steep and unexplored mountain. ...doi:10.5075/epfl-thesis-7275 fatcat:jdjtwaxeira63nfr2uyisnz36e
We designed and built surface and birdcage coils for in vivo MR vii Abstract measurements in ultra high magnetic field. ... Bench tests and in vivo imaging data recorded with these surface and birdcage coils at 9.4T and 14.1T showed that the surface coil loops had to have a limited diameter due to sensitivity issue and radiofrequency ... In spite of the relative low sensitivity, birdcage coils are interesting for small animal imaging at ultra high magnetic field. ...doi:10.5075/epfl-thesis-5756 fatcat:7dmluyfee5df3a4e23coxt7dmu
In general, the values of CNR reached a plateau at around 8 iterations with an average improvement factor of about 1.7 for processed MRI images. ... Results: In all of the phantom and patients' MRI studies the post-processed images proved to have higher resolution and contrast as compared with images reconstructed by conventional methods. ... The nanocluster system with a high selectivity showed the potential for fluorescence imaging and the integrating of gold and MMAE demonstrated excellent concurrent chemotherapy-radiotherapy efficacy, which ...doi:10.1007/s11307-021-01693-y pmid:34982365 pmcid:PMC8725635 fatcat:4sfb3isoyfdhfbiwxfr55gvqym