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Determination of Nanoparticles Using Uv-Vis Spectra Publisher



Behzadi S1 ; Ghasemi F2 ; Ghalkhani M3 ; Ashkarran AA4 ; Akbari SM5 ; Pakpour S6 ; Hormozinezhad MR2 ; Jamshidi Z7 ; Mirsadeghi S5 ; Dinarvand R5, 8 ; Atyabi F5, 8 ; Mahmoudi M5, 8, 9, 10
Authors
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Authors Affiliations
  1. 1. Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz, 55128, Germany
  2. 2. Department of Chemistry, Sharif University of Technology, Tehran, Iran
  3. 3. Department of Chemistry, Faculty of Science, Shahid Rajaee Teacher Training University, Lavizan, Tehran, Iran
  4. 4. Department of Physics, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran
  5. 5. Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Biology, University of British Columbia, Kelowna, BC, Canada
  7. 7. Department of Physical Chemistry, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
  8. 8. Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  9. 9. Cardiovascular Institute, Stanford University School of Medicine, Stanford, 94305-5101, CA, United States
  10. 10. Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, 94305-5101, CA, United States

Source: Nanoscale Published:2015


Abstract

Nanoparticles (NPs) are increasingly being used in different branches of science and in industrial applications; however, their rapid detection and characterization at low concentration levels have remained a challenge; more specifically, there is no single technique that can characterize the physicochemical properties of NPs (e.g. composition and size). In this work we have developed a colorimetric sensor array for defining the physicochemical properties of NPs in aqueous solution with ultra-low concentrations (e.g. 10-7g ml-1 for gold NPs). Various NPs were readily identified using a standard chemometric approach (i.e. hierarchical clustering analysis), with no misclassifications over 400 trials. © The Royal Society of Chemistry 2015.