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Design, fabrication and application ...

Rundel, Jack T.

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Design, fabrication and application of a microfluidic nanofiltration module for separation and purification of macromolecules and nanoparticles.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Design, fabrication and application of a microfluidic nanofiltration module for separation and purification of macromolecules and nanoparticles./
作者:	Rundel, Jack T.
面頁冊數:	121 p.
附註:	Source: Dissertation Abstracts International, Volume: 69-01, Section: B, page: 0280.
Contained By:	Dissertation Abstracts International69-01B.
標題:	Chemistry, Analytical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3295646
ISBN:	9780549405276

Design, fabrication and application of a microfluidic nanofiltration module for separation and purification of macromolecules and nanoparticles.
Rundel, Jack T.

Design, fabrication and application of a microfluidic nanofiltration module for separation and purification of macromolecules and nanoparticles. - 121 p.

Source: Dissertation Abstracts International, Volume: 69-01, Section: B, page: 0280.

Thesis (Ph.D.)--Oregon State University, 2008.

A microfluidic nanofiltration module has been designed, fabricated and applied to the continuous-flow, pressure-driven, post-synthetic purification of macromolecules and nanoparticles via diafiltration using a commercially available organic solvent resistant nanofiltration membrane, STARMEM 122. This module will readily interface with other microscale components within a "nanofactory" for the rapid synthesis, purification and delivery of highly dispersed macromolecules and nanoparticles. The microfluidic nanofiltration module (MNM) fully integrates the membrane into an all-polymer format constructed of materials that are relatively inexpensive, chemically compatible with the targeted compounds and transmissive to visible light allowing optical monitoring of the system.

ISBN: 9780549405276Subjects--Topical Terms:

586156
Chemistry, Analytical.

Design, fabrication and application of a microfluidic nanofiltration module for separation and purification of macromolecules and nanoparticles.
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245 1 0 $a Design, fabrication and application of a microfluidic nanofiltration module for separation and purification of macromolecules and nanoparticles.
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500 $a Source: Dissertation Abstracts International, Volume: 69-01, Section: B, page: 0280.
502 $a Thesis (Ph.D.)--Oregon State University, 2008.
520 $a A microfluidic nanofiltration module has been designed, fabricated and applied to the continuous-flow, pressure-driven, post-synthetic purification of macromolecules and nanoparticles via diafiltration using a commercially available organic solvent resistant nanofiltration membrane, STARMEM 122. This module will readily interface with other microscale components within a "nanofactory" for the rapid synthesis, purification and delivery of highly dispersed macromolecules and nanoparticles. The microfluidic nanofiltration module (MNM) fully integrates the membrane into an all-polymer format constructed of materials that are relatively inexpensive, chemically compatible with the targeted compounds and transmissive to visible light allowing optical monitoring of the system.
520 $a A molecular weight cutoff of 2.3 kDa was determined for the MNM using half-generation poly(amidoamine) dendrimer standards in a simulated post-synthetic mixture of 4 mM methyl acrylate in methanol. The membrane was also characterized within a macroscale test fixture (MTF), constructed of reusable parts that are easily disassembled for rapid replacement of the membrane. Rejections of 95% to 97% were observed in the MTF for triphenylphosphine (PPh 3) stabilized gold-eleven (Au11) nanoparticle standards. Rejections of 12% to 58% were also observed for PPh3, an anticipated post-synthetic byproduct. Purification via diafiltration of real-world post-synthetic Au11 mixtures was demonstrated in the MTF. Au11 rejections >99% were observed along with expected decreases in PPh3 concentrations. Stable permeances of 2 L m-2 h-1 bar -1 were also observed, comparable to those reported in the literature and claimed by the membrane manufacturer.
520 $a The purity of the Au11 final product was comparable to that of the crystalline Au11 standard purified by traditional means. These results suggest that a diafiltration system incorporating an organic solvent resistant nanofiltration membrane would be practical for rapid purification and high product recovery of gold nanoparticles in an organic solvent environment immediately downstream of a microreactor within a nanofactory architecture.
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