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High-throughput genetic analysis and...

Zhong, Wenwan.

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High-throughput genetic analysis and combinatorial chiral separations based on capillary electrophoresis.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	High-throughput genetic analysis and combinatorial chiral separations based on capillary electrophoresis./
作者:	Zhong, Wenwan.
面頁冊數:	133 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0198.
Contained By:	Dissertation Abstracts International65-01B.
標題:	Chemistry, Analytical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3118273

High-throughput genetic analysis and combinatorial chiral separations based on capillary electrophoresis.
Zhong, Wenwan.

High-throughput genetic analysis and combinatorial chiral separations based on capillary electrophoresis. - 133 p.

Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0198.

Thesis (Ph.D.)--Iowa State University, 2003.

Capillary electrophoresis offers many advantages over conventional analytical methods, such as speed, simplicity, high resolution, low cost, and small sample consumption, especially for the separation of enantiomers. However, chiral method developments still can be time consuming and tedious. We designed a comprehensive enantioseparation protocol employing neutral and sulfated cyclodextrins as chiral selectors for common basic, neutral, and acidic compounds with a 96-capillary array system. By using only four judiciously chosen separation buffers, successful enantioseparations were achieved for 49 out of 54 test compounds spanning a large variety of pKs and structures. Therefore, unknown compounds can be screened in this manner to identify optimal enantioselective conditions in just one run. In addition to superior separation efficiency for small molecules, CE is also the most powerful technique for DNA separations. Using the same multiplexed capillary system with UV absorption detection, DNA sequencing of a short template was done without any dye-labels. Two internal standards were utilized to adjust the migration time variations among capillaries, so that the four electropherograms for the A, T, C, G Sanger reactions can be aligned and base calling can be completed with a level of high confidence. The CE separation of DNA can be applied to study differential gene expression as well. Combined with pattern recognition techniques, small variations among electropherograms obtained by the separation of cDNA fragments produced from the total RNA samples of different human tissues can be revealed. These variations reflect the differences in total RNA expression among tissues. Thus, this CE-based approach can serve as an alternative to the DNA array techniques in gene expression analysis.Subjects--Topical Terms:

586156
Chemistry, Analytical.

High-throughput genetic analysis and combinatorial chiral separations based on capillary electrophoresis.
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500 $a Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0198.
500 $a Major Professor: Edward S. Yeung.
502 $a Thesis (Ph.D.)--Iowa State University, 2003.
520 $a Capillary electrophoresis offers many advantages over conventional analytical methods, such as speed, simplicity, high resolution, low cost, and small sample consumption, especially for the separation of enantiomers. However, chiral method developments still can be time consuming and tedious. We designed a comprehensive enantioseparation protocol employing neutral and sulfated cyclodextrins as chiral selectors for common basic, neutral, and acidic compounds with a 96-capillary array system. By using only four judiciously chosen separation buffers, successful enantioseparations were achieved for 49 out of 54 test compounds spanning a large variety of pKs and structures. Therefore, unknown compounds can be screened in this manner to identify optimal enantioselective conditions in just one run. In addition to superior separation efficiency for small molecules, CE is also the most powerful technique for DNA separations. Using the same multiplexed capillary system with UV absorption detection, DNA sequencing of a short template was done without any dye-labels. Two internal standards were utilized to adjust the migration time variations among capillaries, so that the four electropherograms for the A, T, C, G Sanger reactions can be aligned and base calling can be completed with a level of high confidence. The CE separation of DNA can be applied to study differential gene expression as well. Combined with pattern recognition techniques, small variations among electropherograms obtained by the separation of cDNA fragments produced from the total RNA samples of different human tissues can be revealed. These variations reflect the differences in total RNA expression among tissues. Thus, this CE-based approach can serve as an alternative to the DNA array techniques in gene expression analysis.
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791 $a Ph.D.
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