Achim Kohler

Publications

• Najbjerg, H., Afseth, N.K., Young, J.F., Bertram, H.C., Pedersen, M.E., Grimmer, S., Vogt, G. and Kohler, A. 2011. Monitoring cellular responses upon fatty acid exposure by Fourier transform infrared spectroscopy and Raman spectroscopy.
• Hanafi, M., Kohler, A. and Qannari, M. 2011. Connections between multiple co-inertia analysis and consensus principal component analysis.
• Færgestad, E.M., Øyås, J., Kohler, A., Berg, T. and Næs, T. 2011. The use of spectroscopic measurements from full scale industrial production to achieve stable end product quality.
• Pijanka, J.K., Stone, N., Cinque, G., Yang, Y., Kohler, A., Wehbe, K., Frogley, M., Parkes, G., Parkes, J., Dumas, P., Sandt, C., van Pittius, D.G., Douce, G., Sockalingum, G.D. and Sulé-Suso, J. 2010. FTIR microspectroscopy of stained cells and tissues. Application in cancer diagnosis.
• Pijanka, J., Sockalingum, G.D., Kohler, A., Yang, Y., Draux, F., Parkes, G., Lam, K.-P., Collins, D., Dumas, P., Sandt, C., van Pittius, D.G., Douce, G., Manfait, M., Untereiner, V. and Sulé-Suso, J. 2010. Synchrotron-based FTIR spectra of stained single cells. Towards a clinical application in pathology.
• Martens, H. and Kohler, A. 2010. Mathematics and measurements for high-throughput quantitative biology, Biological Theory.
• Kohler, A., Afseth, N.K., Jørgensen, K., Randby, Å. and Martens, H. 2010. Quality analysis of milk by vibrational spectroscopy.
• Kohler, A., Afseth, N.K. and Martens, H. 2010. Chemometrics in biospectroscopy.
• Hassani, S., Martens, H., Qannari, M., Hanafi, M., Borge, G.I. and Kohler, A. 2010. Analysis of –omics data: Graphical interpretation- and validation tools in multi–block methods.
• Hanafi, M., Kohler, A. and Qannari, E.M. 2010. Shedding new light on Hierarchical Principal Component Analysis.
• Calvez, S., Kohler, A., Prévost, H., Møretrø, T. and Drider, D. 2010. Physiological and Structural Differences Between Enterococcus faecalis JH2-2 and Mutant Strains Resistant to (P)-Divercin RV41.
• Berget, I., Martens, H., Kohler, A., Sjurseth, S.K., Afseth, N.K., Narum, B., Ådnøy, T. and Lien, S. 2010. Caprine csn1s1 haplotype effect on gene expression and milk composition measured by FTIR spectroscopy
• Bassan, P., Kohler, A., Martens, H., Lee, J., Jackson, E., Lockyer, N., Dumas, P., Brown, M., Clarke, N. and Gardner, P. 2010. RMieS-EMSC correction for infrared spectra of biological cells: Extension using full Mie theory and (GPU) computing.
• Afseth, N.K., Martens, H., Randby, Å., Gidskehaug, L., Narum, B., Jørgensen, K., Lien, S. and Kohler, A. 2010. Predicting the Fatty Acid Composition of Milk: A Comparison of Two Fourier Transform Infrared Sampling Techniques.
• Adt, I., Kohler, A., Gognies, S., Budin, J., Sandt, C., Belarbi, A., Manfait, M. and Sockalingum, G.D. 2010. FTIR spectroscopic discrimination of Saccharomyces cerevisiae and Saccharomyces bayanus strains.
• Tessema, G.T., Møretrø, T., Kohler, A., Axelsson, L. and Naterstad, K. 2009. Complex Phenotypic and Genotypic Responses of Listeria monocytogenes Strains Exposed to the Class IIa Bacteriocin Sakacin P.
• Pijanka, J., Kohler, A., Sockalingum, G.D., Yang, Y., Dumas, P., Nicholson, J., Chio-Srichan, S.M., Manfait, M., Sockalingum, G.D. and Sulé-Suso, J. 2009. Spectroscopic signatures of single, isolated cancer cell nuclei using synchrotron infrared microscopy.
• Moen, B., Janbu, A.O., Langsrud, S., Langsrud, Ø., Hobman, J.L., Constantinidou, C.., Kohler, A. and Rudi, K. 2009. Global responses of Escherichia coli to adverse conditions determined by microarrays and FT-IR spectroscopy.
• Martens, H. and Kohler, A. 2009. Bio-Chemometrics: Multivariate data modelling in systems biology
• Kohler, A., Böcker, U. and Martens, H. 2009. Model-based pre-processing in biospectroscopy.
• Carton, I., Böcker, U., Ofstad, R., Sørheim, O. and Kohler, A. 2009. Monitoring Secondary Structural Changes in Salted and Smoked Salmon Muscle Myofiber Proteins by FT-IR Microspectroscopy.
• Trosvik, P., Rudi, K., Næs, T., Kohler, A., Chan, K.S., Jakobsen, K.S. and Stenseth, N.C. 2008. Characterizing mixed microbial population dynamics using time-series analysis.
• Segtnan, V.H., Høy, M., Sørheim, O., Kohler, A., Lundby, F., Wold, J.P. and Ofstad, R. 2008. Noncontact Salt and Fat Distributional Analysis in Salted and Smoked Salmon Fillets Using X-ray Computed Tomography and NIR Interactance Imaging.
• Sanden, K.W., Lepetit, J., Narum, B., Böcker, U., Ofstad, R. and Kohler, A. 2008. Investigating muscle fibre properties by FTIR microspectroscopy and micro tensile tests.
• Kohler, A., Böcker, U., Warringer, J., Blomberg, A., Omholt, S.W., Stark, E. and Martens, H. 2008. Reducing Inter-replicate Variation in Fourier Transform Infrared Spectroscopy by Extended Multiplicative Signal Correction.
• Håseth, T.T., Høy, M., Kongsro, J., Kohler, A., Sørheim, O. and Egelandsdal, B. 2008. Determination of sodium chloride in pork meat by computed tomography at different voltages.
• Böcker, U., Kohler, A., Aursand, I.G. and Ofstad, R. 2008. Effects of brine salting with regard to raw material variation of Atlantic salmon (Salmo salar) muscle investigated by Fourier Transform Infrared microspectroscopy.
• Wu, Z., Bertram, H.C., Böcker, U., Ofstad, R. and Kohler, A. 2007. Myowater dynamics and protein secondary structural changes as affected by heating rate in three pork qualities: A combined FT-IR microspectroscopic and 1H NMR relaxometry study.
• Martens, H., Kohler, A., Afseth, N.K., Wold, J.P., Hersleth, M., Berget, I., Ådnøy, T., Skaugen, M., Isaksson, T., Vegarud, G., Criscione, A., Mevik, B.-H., Frøst, M.B., Randby, Å.T., Prestløkken, E., Berg, P., Kent, M., Lien, S. and Omholt, S.W. 2007. High-throughput measurements for functional genomics of milk.
• Kohler, A., Zimonja, M.S., Segtnan, V.H. and Martens, H. 2007. Standard Normal Variate, Multiplicative Signal Correction and Extended Multiplicative Signal Correction Preprocessing in Biospectroscopy
• Kohler, A., Sulé-Suso, J., Sockalingum, G.D., Tobin, M., Bahrami, F., Yang, Y., Pijanka, J., Dumas, P., Cotte, M., van Pittius, D.G., Parkes, G. and Martens, H. 2007. Estimating and correcting Mie scattering in synchrotron-based microscopic FTIR spectra by extended multiplicative signal correction (EMSC).
• Kohler, A., Bertrand, D., Martens, H., Hannesson, K.O., Kirschner, C. and Ofstad, R. 2007. Multivariate image analysis of a set of FTIR micro-spectroscopy images of aged bovine muscle tissue combining image and design information.
• Janbu, A.O., Møretrø, T., Bertrand, D. and Kohler, A. 2007. FT-IR microspectroscopy: a promising method for the rapid identification of Listeria species.
• Færgestad, E.M., Langsrud, Ø., Høy, M., Hollung, K., Sæbø, S., Liland, K.H., Kohler, A., Giskehaug, L., Almergren, J., Anderssen, E. and Martens, H. 2007. Analysis of megavariate data in functional genomics.
• Wu, Z., Bertram, H.C., Kohler, A., Böcker, U., Ofstad, R. and Andersen, H.J. 2006. Influence of aging and salting on protein secondary structures and water distribution in uncooked and cooked pork. A combined FT-IR microspectroscopy and 1H NMR relaxometry study.
• Thennadil, S.N., Martens, H. and Kohler, A. 2006. Physics-based multiplicative scatter correction approaches for improving the performance of calibration models.
• Ofstad, R., Bertram, H.C., Böcker, U., Andersen, H.J. and Kohler, A. 2006. FT-IR microscopy as tool to investigate protein secondary structural changes of muscle tissue in industrial processes like heat treatment.
• Martens, H., Bruun, S.W., Adt, I., Sockalingum, G.D. and Kohler, A. 2006. Pre-processing in biochemometrics: Correction for path-length and temperature effects of water in FTIR bio-spectroscopy by EMSC.
• Kohler, A., Hanafi, M., Bertrand, D., Janbu, A.O., Møretrø, T., Naterstad, K., Qannari, E.M. and Martens, H. 2006. Interpreting several types of measurements in bioscience.
• Christiansen, K.F., Krekling, T., Kohler, A., Vegarud, G., Langsrud, T. and Egelandsdal, B. 2006. Microstructure and sensory properties of high pressure processed dressings stabilized by different whey proteins.
• Chevallier, S., Bertrand, D., Kohler, A. and Courcoux, P. 2006. Application of PLS-DA in multivariate image analysis.
• Böcker, U., Ofstad, R., Bertram, H.C., Egelandsdal, B. and Kohler, A. 2006. Salt-induced changes in pork myofibrillar tissue investigated by FT-IR microspectroscopy and light microscopy.
• Bruun, S.W., Kohler, A., Adt, I., Sockalingum, G.D., Manfait, M. and Martens, H. 2006. Correcting attenuated total reflection–Fourier transform infrared spectra for water vapor and carbon dioxide.
• Sulé-Suso, J., Skingsley, D., Sockalingum, G.D., Kohler, A., Kegelaer, G., Manfait, M. and El Haj, A.J. 2005. FT-IR microspectroscopy as a tool to assess tumour response to chemotherapy.
• Sandt, C., Madoulet, C., Kohler, A., Allouch, P., De Champs, C., Manfait, M. and Sockalingum, G.D. 2005. FT-IR microspectroscopy for early identification of some clinically relevant pathogens.
• Oust, A., Møretrø, T., Naterstad, K., Sockalingum, G.D., Adt, I., Manfait, M. and Kohler, A. 2005. Fourier transform infrared and Raman spectroscopy for characterization of Listeria monocytogenes strains.
• Oust, A., Moen, B., Martens, H., Rudi, K., Næs, T., Kirschner, C. and Kohler, A. 2005. Analysis of covariance patterns in gene expression data and FT-IR spectra.
• Kohler, A., Kirschner, C., Oust, A. and Martens, H. 2005. Extended multiplicative signal correction as a tool for separation and characterization of physical and chemical information in fourier transform infrared microscopy images of cryo-sections of beef loin.
• Christiansen, K.F., Vegarud, G., Langsrud, T., Krekling, T., Kohler, A. and Egelandsdal, B. 2005. Sensory properties of high pressure processed dressings stabilized by different whey proteins and their relationship to the dressings’ microstructure.
• Pettersen, M.K., Nilsson, A., Espedal, A. and Kohler, A. 2004. Prediction of Oxygen Transmission Rate for thermoformed trays.
• Oust, A., Møretrø, T., Kirschner, C., Narvhus, J.A. and Kohler, A. 2004. FT-IR spectroscopy for identification of closely related lactobacilli.
• Oust, A., Møretrø, T., Kirschner, C., Narvhus, J.A. and Kohler, A. 2004. Evaluation of the robustness of FT-IR spectra of lactobacilli towards changes in the bacterial growth conditions.
• Moen, B., Oust, A., Langsrud, Ø., Dorrell, N., Mardsen, G.L., Hinds, J., Kohler, A., Wren, B.W. and Rudi, K. 2004. Explorative multifactor approach for investigating global survival mechanisms of Campylobacter jejuni under environmental conditions.
• Kirschner, C., Ofstad, R., Skarpeid, H.-J., Høst, V. and Kohler, A. 2004. Monitoring of denaturation processes in aged beef loin by FT-IR microspectroscopy.
• Flåtten, A., Bryhni, E.A., Kohler, A., Egelandsdal, B. and Isaksson, T. 2004. Determination of C22:5 and C22:6 marine fatty acids in pork fat with fourier transform mid-infrared spectroscopy.
• Kohler, A., Enersen, G., Høst, V. and Ofstad, R. 2003. Identification of fat, protein matrix and water/starch on microscopy images of sausages by a PCA based segmentation scheme.
• Kihlberg, I., Johansson, L., Kohler, A. and Risvik, E. 2003. Sensory qualities of whole wheat pan bread - influence of farming system, milling and baking technique.
• Larsen, H., Kohler, A. and Magnus, E.M. 2002. Predicting changes in oxygen concentration in the headspace of nitrogen flushed packages by the ambient oxygen ingress rate method.
• Savytskyy, N., Kohler, A., Bauch, Sz., Blümel, R. and Sirko, L. 2001. Parametric correlations of the energy levels of ray-splitting billiards.
• Larsen, H., Kohler, A. and Magnus, E.M. 2001. Ambient Oxygen Ingress Rate method - an alternative method to Ox-Tran for measuring oxygen transmission rate of whole packages.
• Kohler, A., Skaga, A., Hjelme, G. and Skarpeid, H.-J. 2001. Sorting salted cod fillets by computer vision: a pilot study.
• Ofstad, R., Høst, V., Langsrud, Ø. and Kohler, A. 2000. 2000 Particle distribution in microscopy images of cryo-sectioned sausages as affected by fat content.
• Larsen, H., Kohler, A. and Magnus, E.M. 2000. Ambient oxygen ingress rate method - an alternative method to Ox-Tran for measuring oxygen transmission rate of whole packages.
• Kohler, A., Høst, V. and Ofstad, R. 2000. Image analysis of particle dispersions in microscopy images of Cryo-sectioned sausages.
• Kohler, A. and Blümel, R. 1999. Test of semiclassical amplitudes for quantum ray-splitting systems.
• Hlushchuk, Y., Kohler, A., Bauch, Sz., Sirko, L., Blümel, R., Barth, M. and Stöckmann, H.-J. 1999. Autocorrelation function of level velocities for ray-splitting billiards.