US Patent Number
A method for detecting the presence or absence of microorganisms in a liquid test sample is provided without need for withdrawing an aliquot or destroying the sample. The method comprises taking near-infrared spectra of the sample and comparing it visually or mathematically to the spectra of a standard, which may be the values of the spectra known to the operator or may be a standard sample that is provided and run side-by-side.
Glaxo Inc., The University of Kentucky, RTP, N.C.
Galante, Leonard J. and Lodder, Robert A., "Detection Method for Liquids Using Near Infrared Spectra" (1993). Pharmaceutical Sciences Faculty Patents. 152.