1. List of publications. Erik Skibsted, October 2016.
 Skibsted, E., 2012. Process Analytical Technology Applied to Raw Materials (book
chapter). PAT Applied in Biopharmaceutical Process Development and Manufacturing.
Biotechnology and Bioprocessing Series, Volume 33, CRC Press.
 Skibsted, E., 2012. Correlation between powder rheology data and process ability in
solid dosage form manufacturing. In-depth focus – Process Analytical Technology
(PAT), European Pharmaceutical Review, Issue 3.
 Hansen, S.K., Skibsted, E., Staby, A.,Hubbuch, J., 2011. A label-free methodology for
selective protein quantification by means of absorption measurements. Biotechnology
and Bioengineering 108 (11), pp. 2661-2669.
 Grohganz, H., Gildemyn, D., Skibsted, E., Flink, J.M., Rantanen, J., 2011.,Rapid solid-
state analysis of freeze-dried protein formulations using NIR and Raman spectroscopies.
Journal of Pharmaceutical Sciences, 100 (7) , pp. 2871-2875.
 Franch-Lage, F., Amigo, J.M., Skibsted, E., Maspoch, S., Coello, J., 2011. Fast
assessment of the surface distribution of API and excipients in tablets using NIR-
hyperspectral imaging. International Journal of Pharmaceutics, 411 (1-2) , pp. 27-35.
 Skibsted, E., Engelsen, S.B., 2010. Spectroscopy for Process Analytical Technology
(PAT) (Book Chapter). Encyclopedia of Spectroscopy and Spectrometry, 2nd ed.,
Elsevier.
 Grohganz, H., Gildemyn, D., Skibsted, E., Flink, J.M., Rantanen, J., 2010. Towards a
robust water content determination of freeze-dried samples by near-infrared
spectroscopy. Analytica Chimica Acta 676 (1-2), pp. 34-40.
 Grohganz, H., Fonteyne, M., Skibsted, E., Falck, T., Palmqvist, B., Rantanen, J., 2010.
Classification of lyophilised mixtures using multivariate analysis of NIR spectra.
European Journal of Pharmaceutics and Biopharmaceutics, 74 (2) , pp. 406-412.
 Grohganz, H., Fonteyne, M., Skibsted, E., Falck, T., Palmqvist, B., Rantanen, J., 2009.
Role of excipients in the quantification of water in lyophilised mixtures using NIR
spectroscopy. Journal of Pharmaceutical and Biomedical Analysis, 49 (4), pp. 901-907.
 Ravn, C., Skibsted, E., Bro, R., 2008. Near-infrared chemical imaging (NIR-CI) on
pharmaceutical solid dosage forms-Comparing common calibration approaches. Journal
of Pharmaceutical and Biomedical Analysis, 48 (3), pp. 554-561.
 Skibsted, E. T. S., Westerhuis, J. A., Smilde, A. K. and Witte, D. T., 2007. Examples of
NIR based Real Time Release in Tablet Manufacturing. Journal of Pharmaceutical and
Biomedical Analysis, 43(4), pp. 1297-1305.
 Skibsted, E. T. S., Westerhuis, J. A., Smilde, A. K., and Witte, D. T. 2006. A
Theoretical Framework for Real Time Release of Pharmaceutical Products. NIR news,
Volume 17, Issue 2, pp. 4-6.

2.  Skibsted, E., 2006. Near infrared spectroscopy: The workhorse in the PAT toolbox.
Spectroscopy Europe, 18 (5).
 Skibsted, E. T. S., Boelens, H. F., Westerhuis, J. A., Witte, D. T., and Smilde, A. K.,
2006. Simple Assesment of Homogeneity in Pharmaceutical Mixing Processes Using a
Near-Infrared Reflectance Probe and Control Charts. Journal of Pharmaceutical and
Biomedical Analysis, 41 (1) ,pp. 26-35.
 PAT and Beyond, PhD thesis from University of Amsterdam, December 2005.
 Skibsted, E. T. S., Boelens, H. F., Westerhuis, J. A., Smilde, A. K., Broad, N. W., Rees,
D. R., and Witte, D. T., 2005. Net Analyte Signal Based Statistical Quality Control
(NAS-SQC). Analytical Chemistry, 77, pp. 7103-7114.
 Skibsted, E. T. S., Westerhuis, J. A., Boelens, H. F., Smilde, A. K., and Witte, D. T.,
2004. A New Indicator for Optimal Preprocessing and Wavelengths Selection of Near-
Infrared Spectra. Applied Spectroscopy 58[3], 264-271.
 Skibsted, E.; Lindemann, C.; Roca, C.; Olsson, L., 2001. On-line bioprocess monitoring
with a multi-wavelength fluorescence sensor using multivariate calibration, Journal of
Biotechnology, Volume 88, Issue 1, June 1, pp. 47-57.
 Skibsted, E., 1999. Online Fluorescence Monitoring of Biological Phosphorus Removal.
Master thesis, Department of Chemical Engineering, The Technical University of
Denmark.