Laponites<sup>®</sup> for the Recovery of <sup>133</sup>Cs, <sup>59</sup>Co, and <sup>88</sup>Sr from Aqueous Solutions and Subsequent Storage: Impact of Grafted Silane Loads.
Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.