此外，还有更多有关新型药物运载技术的进展，如小分子干扰rna和反义dna，其主要的靶器官是肝脏。
Also we will hear more about novel delivery techniques for drugs such as small interfering RNA and antisense DNA whose primary target organ is the liver.
另一种完全不同的方法是RNA干扰。它采用相对较新技术通过转录小rna分子来关闭各别基因。
A completely different approach is to use RNA interference, a relatively new technique for switching off individual genes by delivering short stretches of RNA.
利用改良的SDS法提取DNA效果很好，RAPD反应时，DNA模板中RNA对扩增结果无影响，SDS、氯仿、异丙醇等小分子物质对扩增结果有干扰作用。
The modified SDS method which was used to extract DNA got good results. During RAPD , RNA in the DNA template had no effects on the amplification results.
利用改良的SDS法提取DNA效果很好，RAPD反应时，DNA模板中RNA对扩增结果无影响，SDS、氯仿、异丙醇等小分子物质对扩增结果有干扰作用。
The modified SDS method which was used to extract DNA got good results. During RAPD , RNA in the DNA template had no effects on the amplification results.
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