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相关概念视频

Nucleic Acid Structure01:25

Nucleic Acid Structure

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The pentose sugar in DNA is deoxyribose, while in RNA the pentose sugar is ribose. The difference between the sugars is the presence of the hydroxyl group on the ribose's second carbon and a hydrogen on the deoxyribose's second carbon. The phosphate residue attaches to the hydroxyl group of the 5′ carbon of one sugar and the hydroxyl group of the 3′ carbon of the sugar of the next nucleotide, which forms  a 5′ to 3′ phosphodiester linkage.
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DNA Packaging00:58

DNA Packaging

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Overview
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Sanger Sequencing01:57

Sanger Sequencing

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DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at different scales - from the sequencing of a cloned DNA fragment or the study of a mutation in a gene up to whole-genome sequencing. However, despite the widespread use of sequencing today, it was not until 1977 that Fredrick Sanger and his collaborators developed the chain-termination method to decode DNA sequences. It relies on the separation of a...
757.0K
Nucleic Acids02:43

Nucleic Acids

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Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
DNA and RNA
The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. In prokaryotes,...
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Nucleic acids02:43

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Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
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The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. In prokaryotes,...
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Maxam-Gilbert Sequencing01:05

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In the same year as the discovery of the Sanger sequencing method, another group of scientists, Allan Maxam and Walter Gilbert, demonstrated their chemical-cleavage method for DNA sequencing. The Maxam-Gilbert method relies on using different chemicals that can cleave the DNA sequence at specific sites, the separation of resulting DNA fragments of variable size using electrophoresis, and deciphering the DNA sequence from the resulting gel bands.
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在固态相上组装核酸的新方法

Gerald J Chik1, Afaf H El-Sagheer1,2, Tom Brown1

  • 1Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, United Kingdom.

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概括
此摘要是机器生成的。

我们开发了一种使用固相合成和点击化学合成核酸树枝的新方法. 这种方法提高了潜在的治疗应用的产量和效率.

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科学领域:

  • 化学合成 化学合成
  • 生物技术是生物技术.
  • 材料科学是一种材料科学.

背景情况:

  • 合成核酸树枝的传统方法往往涉及过多的试剂,并产生较低的结果.
  • 需要有效和可扩展的方法来生产核酸树枝.

研究的目的:

  • 开发一种改进的方法来在固体支上合成核酸树枝.
  • 克服现有方法的局限性,例如低产量和对过剩试剂的需求.

主要方法:

  • 使用铜 (I) 催化酸循环添加 (CuAAC) 进行树突合成.
  • 采用标准的固相合成技术.
  • 结合一个5端合策略与多功能链接器.

主要成果:

  • 在固体支上成功合成了核酸树枝.
  • 与以前的方法相比,实现了更高的效率和产量.
  • 证明了合成的树枝的特性与治疗应用的兼容性.

结论:

  • 报告的方法提供了一种高效且可扩展的核酸树突合成方法.
  • 该方法克服了现有技术的关键局限性,为治疗应用铺平了道路.
  • 开发的策略使得能够生产高质量的DNA/RNA树枝,适合进一步开发.