Using nano-sensors in environmental radionuclide monitoring Conference

Banerjee, R, Katsenovich, Y, Naja, GM et al. (2009). Using nano-sensors in environmental radionuclide monitoring . 24 197-198. 10.1007/978-3-642-01697-4_72

cited authors

  • Banerjee, R; Katsenovich, Y; Naja, GM; Li, C

authors

abstract

  • Radionuclides such as uranium tend to be a pervasive contaminant and can easily migrate due to dissolution in the groundwater of a particular region. It is absorbed through the intestine or lungs and deposited in the tissues, predominantly kidney and bone and is carcinogenic. Toxic effects are seen on the cardiovascular system, liver, muscle, renal and nervous system as well. The existing monitoring methods require manual sample collection and laboratory analysis. In order to monitor the uranium concentration, a novel, specific, sensitive and reproducible uranyl nano-sensor system has been developed. It is made up of functionalized superparamagnetic core-shell magnetic nanoparticles that use an external magnetic field for detection and removal of the analyte from the surrounding aqueous media. The redox properties of the analyte are exploited for enumeration of variables by electrochemical and spectroscopic techniques. In addition, the sensing capabilities can be successfully extended for other heavy metals to obtain a versatile response. © 2009 Springer Berlin Heidelberg.

publication date

  • November 6, 2009

Digital Object Identifier (DOI)

start page

  • 197

end page

  • 198

volume

  • 24