ɐ dˈɛkstɹəŋkˈoʊɾᵻd pɹˌɛpɚɹˈeɪʃən ʌv twˈɛnti fˈoːɹɾi ˌɛnˈɛm sˈaɪzd ɡˌædəlˈɪniəm ˈɑːksaɪd pˈɑːɹɾɪkəlz hæd ɐ ɹᵻlɐksˈɪvᵻɾi ʌv fˈoːɹ.ˈeɪt ˈɛs mˈaɪnəs wˈʌn ˈɛm ˈɛm mˈaɪnəs wˈʌn pɜː ɡˌædəlˈɪniəm ˈaɪɑːn æt sˈɛvən.zˈiəɹoʊ fˈaɪv tˈiː ɐn ʌnjˈuːʒuːəli hˈaɪ fˈiːld kəmpˈɛɹd tə ðə klˈɪnɪkli jˈuːzd ˌɛmˌɑːɹɹˈaɪ skˈænɚz wˌɪtʃ mˈoʊstli ɹˈeɪndʒ fɹʌm zˈiəɹoʊ.fˈaɪv tə θɹˈiː tˈiː.
A dextran-coated preparation of 20–40 nm sized gadolinium oxide particles had a relaxivity of 4.8 s−1mM−1 per gadolinium ion at 7.05 T (an unusually high field compared to the clinically used MRI scanners which mostly range from 0.5 to 3 T).