Selective detection of hexachromium ions by localized surface plasmon resonance measurements using gold nanoparticles/chitosan composite interfaces.
Selective removal of hexavalent chromium ions from aqueous solutions using a chitosan/gold nanoparticles composite film was demonstrated. Localized surface plasmon resonance (LSPR) was used to measure the interface stability and detect the incorporation of chromium ions over time. The effects of pH, ethylenediaminetetraacetic acid (EDTA), and various foreign ions such as trivalent chromium, sodium, calcium, phosphate, sulfate and chloride on the adsorption of hexavalent chromium were investigated.
Fahnestock
Keith J
KJ
Department of Materials Science and Engineering, Drexel University, 3141 Chestnut St., Philadelphia, PA 19104, USA.
Manesse
Mael
M
McIlwee
Holly A
HA
Schauer
Caroline L
CL
Boukherroub
Rabah
R
Szunerits
Sabine
S
D002236:Carbohydrate Conformation; D048271:Chitosan / Q000737:chemistry*; D002857:Chromium / Q000737:chemistry*; D006046:Gold / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D053768:Metal Nanoparticles / Q000737:chemistry*; D020349:Surface Plasmon Resonance / Q000379:methods*; D013499:Surface Properties; D014867:Water / Q000737:chemistry
D014867:Water; D002857:Chromium; D006046:Gold; D048271:Chitosan