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Raman and FTIR imaging of dynamic po...

Bobiak, John Peter.

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Raman and FTIR imaging of dynamic polymer systems.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Raman and FTIR imaging of dynamic polymer systems./
作者:	Bobiak, John Peter.
面頁冊數:	128 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-10, Section: B, page: 5428.
Contained By:	Dissertation Abstracts International66-10B.
標題:	Chemistry, Polymer. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3193555
ISBN:	9780542369865

Raman and FTIR imaging of dynamic polymer systems.
Bobiak, John Peter.

Raman and FTIR imaging of dynamic polymer systems. - 128 p.

Source: Dissertation Abstracts International, Volume: 66-10, Section: B, page: 5428.

Thesis (Ph.D.)--Case Western Reserve University, 2006.

This work aims to expand the applications of Raman and infrared imaging in materials science and engineering. Recent developments in spectroscopic imaging technology have led to relatively fast image acquisition rates, enabling the in situ analysis of various engineering processes. A brief review of spectroscopic imaging principles and existing applications is provided as background before three novel applications are set forth.

ISBN: 9780542369865Subjects--Topical Terms:

1018428
Chemistry, Polymer.

Raman and FTIR imaging of dynamic polymer systems.
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245 1 0 $a Raman and FTIR imaging of dynamic polymer systems.
300 $a 128 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-10, Section: B, page: 5428.
500 $a Adviser: Jack L. Koenig.
502 $a Thesis (Ph.D.)--Case Western Reserve University, 2006.
520 $a This work aims to expand the applications of Raman and infrared imaging in materials science and engineering. Recent developments in spectroscopic imaging technology have led to relatively fast image acquisition rates, enabling the in situ analysis of various engineering processes. A brief review of spectroscopic imaging principles and existing applications is provided as background before three novel applications are set forth.
520 $a First, the effectiveness of FTIR imaging for modeling polymer dissolution behavior was examined in a series of binary poly (methyl methacrylate) (PMMA) systems. The dissolution behavior was influenced by polymer conformation as well as the solvent characteristics. The results indicate that chemistry alone is a poor predictor of dissolution rate. Rather, the diffusion coefficients of both the polymer and solvent have a foremost impact on the dissolution process.
520 $a One major complication in modeling diffusion-related process by FTIR imaging is the precise determination of component locations in a series of images. This issue is addressed through the introduction of a new position-reporting technique based on hypothesis testing. A rudimentary drug release system, consisting of a poly (ethylene-co-vinyl acetate) film and a nicotine solution, was used to illustrate the importance of precisely reporting the nicotine diffusion front position. The new reporting method provided an inherent level of certainty to the position report. This method was applied to qualitatively assess the uptake of nicotine from solutions containing different solubilizing agents, which were capable of either promoting or inhibiting nicotine uptake.
520 $a Finally, Raman mapping and Raman line imaging were used to classify individual carbon nanotubes that were dispersed on a substrate. Individual nanotubes displayed a range of spectral characteristics, indicating that the bulk sample was a mixture of materials with different graphitic domain sizes. The results from images acquired by Raman mapping were identical to those acquired by line imaging. These results establish line imaging as a relatively fast, effective method to analyze heterogeneous nanotube samples.
590 $a School code: 0042.
650 4 $a Chemistry, Polymer. $3 1018428
650 4 $a Engineering, Materials Science. $3 1017759
650 4 $a Chemistry, Analytical. $3 586156
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710 2 0 $a Case Western Reserve University. $3 1017714
773 0 $t Dissertation Abstracts International $g 66-10B.
790 1 0 $a Koenig, Jack L., $e advisor
790 $a 0042
791 $a Ph.D.
792 $a 2006
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3193555