Metal Ion Analysis Using Near-Infrared Dyes and the ''Laboratory-on-a-Chip''

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The primary research objective of this effort is to develop a portable, capillary electrophoresis microchip capable of sensitively and rapidly monitoring hazardous waste metal ions critical to the successful deactivation and decommissioning (D&D) of contaminated equipment and structures at various DOE sites. Hazardous waste metal ions to be adapted for sensing on the microchip include UO2 2+, Be2+, Cr6+, Hg2+, Pb2+, Co2+, Ni2+, Cs+, and Sr2+. Particular emphasis will be placed on developing viable, new extraction methods for metal ion sampling from both the air via a microimpinger which is integrated onto the microchip itself, and from contaminated surfaces, both ... continued below

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Collins, Greg E. June 1, 2003.

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Description

The primary research objective of this effort is to develop a portable, capillary electrophoresis microchip capable of sensitively and rapidly monitoring hazardous waste metal ions critical to the successful deactivation and decommissioning (D&D) of contaminated equipment and structures at various DOE sites. Hazardous waste metal ions to be adapted for sensing on the microchip include UO2 2+, Be2+, Cr6+, Hg2+, Pb2+, Co2+, Ni2+, Cs+, and Sr2+. Particular emphasis will be placed on developing viable, new extraction methods for metal ion sampling from both the air via a microimpinger which is integrated onto the microchip itself, and from contaminated surfaces, both techniques being amenable to on-line introduction onto the microchip. Two different detection methods for monitoring the electrophoretic separations taking place down the microchannel will be exploited in this research, indirect and direct detection. Special emphasis will be placed on maintaining the ultimate portability of the final microchip device through the careful selection of metallochromic dyes and fluorophores which are amenable to use of small, inexpensive light sources (e.g., LED's) and photodetectors.

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  • Other Information: PBD: 1 Jun 2003

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  • Report No.: EMSP-64982--2003
  • Grant Number: A107-98ER62711
  • DOI: 10.2172/832980 | External Link
  • Office of Scientific & Technical Information Report Number: 832980
  • Archival Resource Key: ark:/67531/metadc781368

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 1, 2003

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  • Dec. 3, 2015, 9:30 a.m.

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  • Jan. 11, 2018, 2:16 p.m.

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Collins, Greg E. Metal Ion Analysis Using Near-Infrared Dyes and the ''Laboratory-on-a-Chip'', report, June 1, 2003; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc781368/: accessed June 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.