Polymer coated nanogold for tracing mobility of engineered nanoparticles in subsurface water

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Abstract

Gold nanoparticles coated with amphiphilic block co-polymer PVP-VA are found to be extremely mobile in sand columns in laboratory based experiments. The ultra-stability obtained by such surface modification is also shown by diluting down to a concentration of 62.5 ppb in groundwater having other ions. Such a low level detection of particles is achieved by non-destructive simple UV-Vis spectroscopic technique equipped with liquid wave guide capillary cell (LWCC) units. These results propose the possibility of using surface engineered gold nanoparticles as model system for tracing the mobility of other engineered nanoparticles in the subsurface.
Original languageEnglish
Title of host publicationProceedings for the 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS 2014)
Number of pages3
PublisherIEEE
Publication date2014
Pages421-423
ISBN (Electronic)9781479934522
DOIs
Publication statusPublished - 2014
Event8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics - DTU, Kgs. Lyngby, Denmark
Duration: 25 Aug 201430 Aug 2014
Conference number: 8
http://congress2014.metamorphose-vi.org/

Conference

Conference8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics
Number8
LocationDTU
CountryDenmark
CityKgs. Lyngby
Period25/08/201430/08/2014
Internet address

Keywords

  • Bioengineering
  • Communication, Networking and Broadcast Technologies
  • Components, Circuits, Devices and Systems
  • Engineered Materials, Dielectrics and Plasmas
  • Fields, Waves and Electromagnetics
  • Photonics and Electrooptics

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