ðɪs ɹɪˈeɪdʒənt hɐz lˈɛd tə ðə dɪvˈɛləpmənt ʌv ɪmˈoʊbəlˌaɪzd kˈæɾɐlˌɪst slˈæʃ ˈæktᵻvˌeɪɾɚ spˈiːsiːz; wˌɛɹ ðə kˈæɾɐlˌɪst slˈæʃ ˈæktᵻvˌeɪɾɚɹ ɪz ɪmˈoʊbəlˌaɪzd ˌɔn ɐn ɪnˈɜːt ˌɪnoːɹɡˈænɪk səpˈoːɹt sˈʌtʃ ɐz sˈɪlɪkə.
This reagent has led to the development of immobilised catalyst/activator species; where the catalyst/activator is immobilised on an inert inorganic support such as silica.