Researchers when attached one molecule of gold nanoparticles to one molecule of drug, the resultant drug molecule was unable to combat HIV virus, as the multivalency is the answer for binding nature.

• 当研究人员把一个金纳米粒子绑定到一个药物分子上，所得到的药物分子就不能够对抗艾滋病分子，因为多价是绑定自然特性的原因。