21. On December 2007, the FDA issued a not approvable letter for motexafin gadolinium . 22. DTPA is also used as a complexing agent for gadolinium  in MRI contrast enhancement. 23. When gadolinium  is used, the lesion expansion can be classified as nodular or ringlike 24. Characterization and Optical study on Zinc Sulphide nanostructures doped with Gadolinium  ions, Proce. 25. Gadolinium  can also serve as an electrolyte in solid oxide fuel cells ( SOFCs ).26. In 2006, the link between NSF and gadolinium -containing contrast agents was made. 27. It is the gadolinium  complex of acetylacetone. 28. BBB disruption is normally shown using gadolinium . 29. Later increases during BBB breakdown ( gadolinium  enhancement ) and finally decays after the enhancement. 30. A secondary system injects a high-pressure gadolinium  nitrate neutron absorber solution into the calandria.