?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F7374%2F&rft.title=Nanomaterials+for+spectroscopic+and+electrochemical+detection+of+metal+ions&rft.creator=Bhaumik%2C+Sruti&rft.description=Techniques+for+the+analysis+of+metal+ions+including+ion+exchange+chromatography%2C+UV-Vis-NIR+spectroscopy%2C+fluorescence+spectroscopy%2C+cyclic+voltammetry%2C+adsorptive+stripping+voltammetry%2C+and+use+of+field-effect+transistors+are+reviewed.%2C+The+advantages+and+disadvantages+of+each+method+will+be+described.+Development+and+incorporation+of+nanotubes+as+practical+materials+for+rapid+and+portable+sensing+applications+with+improved+selectivity+and+sensitivity+over+previous+methods+is+discussed.+Interactions+of+chelating+molecules+ferrozine+and+neucuproine+with+Fe2%2B+and+Cu%2B%2C+respectively%2C+are+studied+via+UV-Vis-NIR+spectroscopy.+Interactions+of+these+molecules+with+carbon+nanotube+networks+are+monitored+spectroscopically+and+electrochemically+to+elucidate+the+charge+transfer+mechanism+between+analyte+species%2C+chelating+ligands+and+the+carbon+nanotube+network.+Synthesis+and+characterization+of+carbon+nanotube+networks+are+discussed.+This+information+will+contribute+to+forming+a+framework+of+metal+ion+sensing+using+carbon+nanotubes+and+aid+in+the+rational+design+of+nanoscale+sensors+for+environmental%2C+medical%2C+biological+and+defense+contexts.&rft.date=2009-06-05&rft.type=University+of+Pittsburgh+ETD&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F7374%2F1%2F0427bhaumikthesis.pdf&rft.identifier=++Bhaumik%2C+Sruti++(2009)+Nanomaterials+for+spectroscopic+and+electrochemical+detection+of+metal+ions.++Master's+Thesis%2C+University+of+Pittsburgh.++++(Unpublished)++