Gold Nanorods-Streptavidin（30nm）结合了链霉亲和素和30纳米长的金纳米棒，进一步扩大了表面积和负载量，为生物医学研究和应用提供了更多的可能性。

Reengineered streptavidin mutants bind biotin-4-fluorescein with extremely tight yet reversible binding affinity. The terrifically tight noncovalent interaction between biotin and streptavidin has ...