PT - JOURNAL ARTICLE AU - Corrigan, Damion K. AU - Cauchi, Michael AU - Piletsky, Sergey AU - Mccrossen, Sean TI - Application of Surface-Enhanced Raman Spectroscopy (SERS) for Cleaning Verification in Pharmaceutical Manufacture DP - 2009 Nov 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 568--574 VI - 63 IP - 6 4099 - http://journal.pda.org/content/63/6/568.short 4100 - http://journal.pda.org/content/63/6/568.full SO - PDA J Pharm Sci Technol2009 Nov 01; 63 AB - Cleaning verification is the process by which pharmaceutical manufacturing equipment is determined as sufficiently clean to allow manufacture to continue. Surface-enhanced Raman spectroscopy (SERS) is a very sensitive spectroscopic technique capable of detection at levels appropriate for cleaning verification. In this paper, commercially available Klarite™ SERS substrates were employed in order to obtain the necessary enhancement of signal for the identification of chemical species at concentrations of 1 to 10 ng/cm2, which are relevant to cleaning verification. The SERS approach was combined with principal component analysis in the identification of drug compounds recovered from a contaminated steel surface.© PDA, Inc. 2009