Pollen Identification by Fourier Transform Infrared Photoacoustic Spectroscopy

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Fourier transform infrared photoacoustic spectroscopy (FT-IR-PAS) has been applied to the problem of identifying pollen samples. One hundred measurements were made on a set of pollen samples comprising five families and ten species. Chemometric analysis of the resulting spectra showed evidence of clustering. Construction of a spectral library allowed pollens in the set to be correctly identified as the first match on the basis of photoacoustic spectra at the species (99%) or family (100%) level.

Keywords: Classification; FT-IR-PAS; Fourier transform infrared spectroscopy (FT-IR); Identification; Photoacoustic spectroscopy (PAS); Pollen

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/12-06622

Affiliations: Department of Chemistry, Saint Anselm College, 100 Saint Anselm Drive, Manchester, NH 03102 USA

Publication date: March 1, 2013

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