胞嘧啶的环呼吸振动频率随着电位负移而红移，这意味着它与金电极的成键作用减弱。
The binding interaction between cytosine and the gold electrode was weakened when the potential was negatively moved.
他们认为通过远程交联使DNA形成小环结构是铂类抗癌药物作用的重要特征。他们揭示的药物导致的单分子DNA成环及凝聚现象也许是顺铂抗癌的一个关键要素。
The observed loop structure formation of DNA may be an important feature of the effect of platinum anti-cancer drugs that are analogous to cisplatin in structure.
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