All Stories

  1. The Application of Handheld Near-Infrared Spectroscopy and Raman Spectroscopic Imaging for the Identification and Quality Control of Food Products

    Article • Molecules, December 2023, MDPI AG

    Prof. Dr. Heinz Wilhelm Siesler

  2. Correction: Bigi et al. Waste Orange Peels as a Source of Cellulose Nanocrystals and Their Use for the Development of Nanocomposite Films. Foods 2023, 12, 960

    Article • Foods, May 2023, MDPI AG

    Prof. Dr. Heinz Wilhelm Siesler

  3. Handheld Near-Infrared Spectroscopy: State-of-the-Art Instrumentation and Applications in Material Identification, Food Authentication, and Environmental Investigations

    Article • Chemosensors, May 2023, MDPI AG

    Prof. Dr. Heinz Wilhelm Siesler

  4. Rapid Determination of the Total Petroleum Hydrocarbon Content of Soils by Handheld Fourier Transform Near-Infrared Spectroscopy

    Article • Analytical Chemistry, April 2023, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  5. Waste Orange Peels as a Source of Cellulose Nanocrystals and Their Use for the Development of Nanocomposite Films

    Article • Foods, February 2023, MDPI AG

    Prof. Dr. Heinz Wilhelm Siesler

  6. Characterization of Active Chitosan/Hydroxypropyl Methylcellulose/Orange Cellulose Nanocrystals Films Enriched with Ethyl Lauroyl Arginate for Food Packaging Applications

    Article • October 2021, MDPI AG

    Prof. Dr. Heinz Wilhelm Siesler

  7. Rapid Determination of Nutritional Parameters of Pasta/Sauce Blends by Handheld Near-Infrared Spectroscopy

    Article • Molecules, May 2019, MDPI AG

    Prof. Dr. Heinz Wilhelm Siesler

  8. Comparative analysis of blend and bilayer films based on chitosan and gelatin enriched with LAE (lauroyl arginate ethyl) with antimicrobial activity for food packaging applications

    Article • Food Packaging and Shelf Life, March 2019, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  9. Quantitative analysis of a pharmaceutical formulation: Performance comparison of different handheld near-infrared spectrometers

    Article • Journal of Pharmaceutical and Biomedical Analysis, October 2018, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  10. Identification of textiles by handheld near infrared spectroscopy: Protecting customers against product counterfeiting

    Article • Journal of Near Infrared Spectroscopy, August 2018, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  11. Identification Performance of Different Types of Handheld Near-Infrared (NIR) Spectrometers for the Recycling of Polymer Commodities

    Article • Applied Spectroscopy, June 2018, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  12. 2DCOS and PCMW2D analysis of FT-IR/ATR spectra measured at variable temperatures on-line to a polyurethane polymerization

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, January 2018, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  13. Monitoring the staling of wheat bread using 2D MIR-NIR correlation spectroscopy

    Article • Journal of Cereal Science, May 2017, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  14. Variable-temperature Fourier-transform infrared studies of poly(l-lactic acid) in different states of order: A 2DCOS and PCMW2D analysis

    Article • Journal of Molecular Structure, November 2016, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  15. Real-time analysis of the polymerization kinetics of 1,4-butanediol and 4,4′-diphenylmethanediisocyanate by fiber-coupled Fourier transform infrared spectroscopy

    Article • Analytical and Bioanalytical Chemistry, July 2016, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  16. Comparative Variable Temperature Studies of Polyamide II with a Benchtop Fourier Transform and a Miniature Handheld Near-Infrared Spectrometer Using 2D-COS and PCMW-2D Analysis

    Article • Applied Spectroscopy, June 2016, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  17. Spectra Transfer Between a Fourier Transform Near-Infrared Laboratory and a Miniaturized Handheld Near-Infrared Spectrometer

    Article • Applied Spectroscopy, May 2016, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  18. EvaluatingMolecular Interaction Using NIR

    Article • Applied Spectroscopy, February 2016, SAGE Publications

    Dr Zhixin Xiong, Prof. Dr. Heinz Wilhelm Siesler

  19. 3D FT-IR imaging spectroscopy of phase-separation in a poly(3-hydroxybutyrate)/poly( l -lactic acid) blend

    Article • Vibrational Spectroscopy, November 2014, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  20. Infrared and Raman Spectroscopic Imaging

    Article • August 2014, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  21. 2DCOS and PCMW2D analyses of FT-IR/ATR and FT-NIR spectra monitoring the deuterium/hydrogen exchange in liquid D2O

    Article • Journal of Molecular Structure, July 2014, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  22. Variable-Temperature Fourier Transform Near-Infrared Imaging Spectroscopy of the Deuterium/Hydrogen Exchange in Liquid D2O

    Article • Applied Spectroscopy, May 2014, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  23. Temperature-Dependent Fourier Transform Infrared Spectroscopy and Raman Mapping Spectroscopy of Phase-Separation in a Poly(3-hydroxybutyrate)–Poly(l-Lactic Acid) Blend

    Article • Applied Spectroscopy, February 2013, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  24. Near Infrared Spectroscopic Analysis of Hydrocarbon Contaminants in Soil with a Hand-Held Spectrometer

    Article • Journal of Near Infrared Spectroscopy, January 2013, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  25. Near Infrared Spectroscopic Authentication of Seafood

    Article • Journal of Near Infrared Spectroscopy, January 2013, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  26. Qualitative and Quantitative Pharmaceutical Analysis with a Novel Hand-Held Miniature near Infrared Spectrometer

    Article • Journal of Near Infrared Spectroscopy, January 2013, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  27. Two-Dimensional Correlation Analysis of Temperature-Dependent FT-IR Spectra of Oleic Acid

    Article • Spectroscopy Letters, January 2013, Taylor & Francis

    Prof. Dr. Heinz Wilhelm Siesler

  28. Water Uptake of Poly(2-N-Alkyl-2-Oxazoline)s: Temperature-Dependent Fourier Transform Infrared (FT-IR) Spectroscopy and Two-Dimensional Correlation Analysis (2DCOS)

    Article • Applied Spectroscopy, October 2012, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  29. Sequential Identification of Model Parameters by Derivative Double Two-Dimensional Correlation Spectroscopy and Calibration-Free Approach for Chemical Reaction Systems

    Article • Analytical Chemistry, September 2012, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  30. Activation and Thermodynamic Parameter Study of the Heteronuclear C═O···H–N Hydrogen Bonding of Diphenylurethane Isomeric Structures by FT-IR Spectroscopy Using the Regularized Inversion of an Eigenvalue Problem

    Article • The Journal of Physical Chemistry A, July 2012, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  31. Influence of laminate thickness reduction on the deformation mechanism of coextruded multilayered PC/PMMA films

    Article • Journal of Applied Polymer Science, May 2012, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  32. Deformation mechanisms of polypropylene/polystyrene multilayered films

    Article • Journal of Applied Polymer Science, May 2012, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  33. Miniature near-infrared (NIR) spectrometer engine for handheld applications

    Article • May 2012, SPIE

    Prof. Dr. Heinz Wilhelm Siesler

  34. New Developments and Applications of Handheld Raman, Mid-Infrared, and Near-Infrared Spectrometers

    Article • Applied Spectroscopy Reviews, February 2012, Taylor & Francis

    Prof. Dr. Heinz Wilhelm Siesler

  35. Vibrational Spectroscopy of Polymers

    Article • International Journal of Polymer Analysis and Characterization, November 2011, Taylor & Francis

    Prof. Dr. Heinz Wilhelm Siesler

  36. Variable-Temperature Fourier Transform Near-Infrared (FT-NIR) Imaging Spectroscopy of the Diffusion Process of Butanol(OD) into Polyamide 11

    Article • Applied Spectroscopy, September 2011, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  37. Solvent Interactions in Methanol/N, N-Dimethylamide Binary Systems Studied by Fourier Transform Infrared–Attenuated Total Reflection (FT-IR/ATR) and Two-Dimensional Correlation Spectroscopy (2D-COS)

    Article • Applied Spectroscopy, August 2011, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  38. Modeling of Isomeric Structure of Diphenyl Urethane by FT-IR Spectroscopy During Synthesis from Phenylisocyanate and Phenol as an Inverse Kinetic Problem

    Article • The Journal of Physical Chemistry A, July 2011, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  39. Conformational polymorphism of the antidiabetic drug chlorpropamide

    Article • Journal of Raman Spectroscopy, July 2011, Wiley

    Prof. Javier Alcides Ellena, Alejandro Pedro Ayala, Prof. Dr. Heinz Wilhelm Siesler

  40. Crystallization Behavior of Poly(3-hydroxybutyrate) (PHB), Poly(ε-caprolactone) (PCL) and Their Blend (50:50 wt.%) Studied by 2D FT-IR Correlation Spectroscopy

    Article • Macromolecular Symposia, July 2011, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  41. A comparative study of vibrational dynamics of α- and β-forms of poly(β-hydroxybutyrate)

    Article • Vibrational Spectroscopy, May 2011, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  42. Water uptake of poly(2-N-alkyl-2-oxazoline)s: influence of crystallinity and hydrogen-bonding on the mechanical properties

    Article • Journal of Materials Chemistry, January 2011, Royal Society of Chemistry

    Prof. Dr. Heinz Wilhelm Siesler

  43. Difference of the Crystal Structure of Cellulose in Wood after Hydrothermal and Aging Degradation: A NIR Spectroscopy and XRD Study

    Article • Biomacromolecules, July 2010, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  44. Molecular Weight Dependence of the Thermal Degradation of Poly(ε-caprolactone): A Thermogravimetric Differential Thermal Fourier Transform Infrared Spectroscopy Study

    Article • Applied Spectroscopy, July 2010, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  45. Quantum chemical and experimental studies on the structure and vibrational spectra of efavirenz

    Article • Vibrational Spectroscopy, May 2010, Elsevier

    Alejandro Pedro Ayala, Prof. Dr. Heinz Wilhelm Siesler

  46. Molecular structure and vibrational spectroscopic analysis of an antiplatelet drug; clopidogrel hydrogen sulphate (form 2) – A combined experimental and quantum chemical approach

    Article • Journal of Molecular Structure, February 2010, Elsevier

    Alejandro Pedro Ayala, Prof. Dr. Heinz Wilhelm Siesler

  47. An ab initio and DFT study of structure and vibrational spectra of γ form of Oleic acid: Comparison to experimental data

    Article • Chemistry and Physics of Lipids, February 2010, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  48. Quantitative Determination of Quality Parameters and Authentication of Vodka Using near Infrared Spectroscopy

    Article • Journal of Near Infrared Spectroscopy, January 2010, SAGE Publications

    Dr Dirk W Lachenmeier, Prof. Dr. Heinz Wilhelm Siesler

  49. In SituOrientation Studies of a Poly(3-hydroxybutyrate)/Poly(ε-caprolactone) Blend by Rheo-Optical Fourier Transform Infrared Spectroscopy and Two-Dimensional Correlation Spectroscopic Analysis

    Article • Applied Spectroscopy, December 2009, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  50. An experimental study on the “sequential order” rules in generalized two-dimensional correlation spectroscopy

    Article • Vibrational Spectroscopy, November 2009, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  51. Variable-Temperature Fourier Transform Infrared Spectroscopic Investigations of Poly(3-Hydroxyalkanoates) and Perturbation-Correlation Moving-Window Two-Dimensional Correlation Analysis. Part I: Study of Non-Annealed and Annealed Poly(3-Hydroxybutyrate...

    Article • Applied Spectroscopy, September 2009, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  52. Variable-Temperature Fourier Transform Infrared Spectroscopic Investigations of Poly(3-Hydroxyalkanoates) and Perturbation-Correlation Moving-Window Two-Dimensional Correlation Analysis. Part II: Study of Poly(ε-Caprolactone) Homopolymer and a Poly(3-H...

    Article • Applied Spectroscopy, September 2009, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  53. Morphology and Deformation Mechanisms and Tensile Properties of Tetrafunctional Multigraft Copolymers

    Article • Macromolecules, May 2009, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  54. Vibrational dynamics of poly(β-hydroxybutyrate)-α form

    Article • Polymer Engineering & Science, May 2009, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  55. Infrared and Raman Spectroscopic Imaging

    Article • April 2009, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  56. Rheo-optical FT-IR spectroscopy of poly(3-hydroxybutyrate)/poly(lactic acid) blend films

    Article • Vibrational Spectroscopy, March 2009, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  57. Molecular Structure and Vibrational Spectroscopic Investigation of Secnidazole Using Density Functional Theory

    Article • The Journal of Physical Chemistry A, January 2009, American Chemical Society (ACS)

    Alejandro Pedro Ayala, Prof. Dr. Heinz Wilhelm Siesler

  58. Fourier Transform Infrared Imaging Spectroscopy of the Diffusion Process of D2O into Polyamide 11

    Article • Applied Spectroscopy, January 2009, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  59. Segmental Orientation in Well-Defined Thermoplastic Elastomers Containing Supramolecular Fillers

    Article • Macromolecules, December 2008, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  60. Simultaneous Determination of the Micro-, Meso-, and Macropore Size Fractions of Porous Polymers by a Combined Use of Fourier Transform Near-Infrared Diffuse Reflection Spectroscopy and Multivariate Techniques

    Article • Analytical Chemistry, November 2008, American Chemical Society (ACS)

    Professor Mathias Ulbricht, Prof. Dr. Heinz Wilhelm Siesler

  61. Quantitative Determination of Pharmaceutical Drug Formulations by Near-Infrared Spectroscopic Imaging

    Article • Applied Spectroscopy, November 2008, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  62. Polymorphism incidence in commercial tablets of mebendazole: a vibrational spectroscopy investigation

    Article • Journal of Raman Spectroscopy, September 2008, Wiley

    Alejandro Pedro Ayala, Prof. Dr. Heinz Wilhelm Siesler

  63. Deformation Behavior of Sphere-Forming Trifunctional Multigraft Copolymer

    Article • Macromolecules, June 2008, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  64. Fourier Transform Infrared Spectroscopic Imaging of Anisotropic Poly(Vinylidene Fluoride) Films with Polarized Radiation

    Article • Applied Spectroscopy, June 2008, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  65. Rheo-optical FT-IR Spectroscopy of LLDPE: Effect of Comonomer and Composite Materials

    Article • Macromolecular Symposia, May 2008, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  66. Thermal Degradation of Poly(ɛ-caprolactone), Poly(L-lactic acid) and their Blends with Poly(3-hydroxy-butyrate) Studied by TGA/FT-IR Spectroscopy

    Article • Macromolecular Symposia, May 2008, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  67. FT-IR Spectroscopic Imaging of Anisotropic Poly(3-hydroxybutyrate)/Poly(lactic acid) Blends with Polarized Radiation

    Article • Macromolecules, April 2008, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  68. In Situ Study of Diffusion and Interaction of Water and Mono- or Divalent Anions in a Positively Charged Membrane Using Two-Dimensional Correlation FT-IR/Attenuated Total Reflection Spectroscopy

    Article • The Journal of Physical Chemistry B, February 2008, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  69. A FTIR and 2D-IR Spectroscopic Study on the Microdynamics Phase Separation Mechanism of the Poly(N-isopropylacrylamide) Aqueous Solution

    Article • Macromolecules, January 2008, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  70. FT-IR Imaging Spectroscopy of Phase Separation in Blends of Poly(3-hydroxybutyrate) with Poly(l-lactic acid) and Poly(ϵ-caprolactone)

    Article • Biomacromolecules, December 2007, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  71. Thermal Degradation of Poly(3-hydroxybutyrate) and Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) in Nitrogen and Oxygen Studied by Thermogravimetric–Fourier Transform Infrared Spectroscopy

    Article • Applied Spectroscopy, July 2007, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  72. Vibrational spectra and quantum mechanical calculations of antiretroviral drugs: Nevirapine

    Article • Journal of Molecular Structure, February 2007, Elsevier

    Alejandro Pedro Ayala, Prof. Dr. Heinz Wilhelm Siesler

  73. In situ monitoring of an isocyanate reaction by fiber-optic FT-IR/ATR-spectroscopy

    Article • Vibrational Spectroscopy, January 2007, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  74. Solid state characterization of olanzapine polymorphs using vibrational spectroscopy

    Article • International Journal of Pharmaceutics, December 2006, Elsevier

    Alejandro Pedro Ayala, Prof. Dr. Heinz Wilhelm Siesler

  75. Low-Temperature Rheo-Optical Fourier Transform near Infrared Spectroscopy of Poly(Dimethylsiloxane)/Polycarbonate Copolymers

    Article • Journal of Near Infrared Spectroscopy, December 2006, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  76. Observation of a Penetration Depth Gradient in Attenuated Total Reflection Fourier Transform Infrared Spectroscopic Imaging Applications

    Article • Applied Spectroscopy, December 2006, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  77. Molecular Structure, Crystallinity and Morphology of Polyethylene/Polypropylene Blends Studied by Raman Mapping, Scanning Electron Microscopy, Wide Angle X-Ray Diffraction, and Differential Scanning Calorimetry

    Article • Polymer Journal, September 2006, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  78. Thermal Stability of Dehydrophenylalanine-Containing Model Peptides as Probed by Infrared Spectroscopy: a Case Study of anα-Helical and a310-Helical Peptide

    Article • Chemistry & Biodiversity, March 2006, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  79. Determination of orientational states in impact-polystyrene specimens by near-infrared polarization spectroscopy

    Article • Polymer Engineering & Science, January 2006, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  80. Low-Temperature FT-NIR Spectroscopy of Strain-Induced Orientation and Crystallization in a Poly(dimethylsiloxane) Network

    Article • Macromolecular Rapid Communications, July 2005, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  81. Near-infrared spectroscopic observation of the ageing process in archaeological wood using a deuterium exchange method

    Article • The Analyst, January 2005, Royal Society of Chemistry

    Prof. Dr. Heinz Wilhelm Siesler

  82. Raman and Wide-Angle X-Ray Diffraction Studies on Molecular Structure, Crystallinity, and Morphology of Uncompatibilized and Compatibilized Blends of High Molecular Weight Polyethylene/Nylon 12

    Article • Macromolecular Symposia, January 2005, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  83. The Influence of Spectral Resolution on the Quantitative near Infrared Spectroscopic Determination of an Active Ingredient in a Solid Drug Formulation

    Article • Journal of Near Infrared Spectroscopy, October 2004, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  84. Fourier Transform Infrared Spectroscopic Investigation of the Electric-Field-Induced Reorientation of the Nematic 7CPB with Different Prealignment

    Article • Applied Spectroscopy, August 2004, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  85. New Highly Fluorinated Styrene-Based Materials with Low Surface Energy Prepared by ATRP

    Article • Macromolecules, January 2004, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  86. Resolution of two-way data from on-line Fourier-transform Raman spectroscopic monitoring of the anionic dispersion polymerization of styrene and 1,3-butadiene by parallel vector analysis (PVA) and window factor analysis (WFA)

    Article • Chemometrics and Intelligent Laboratory Systems, January 2004, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  87. Photoorientation of a Liquid-Crystalline Polyester with Azobenzene Side Groups:  Effects of Irradiation with Linearly Polarized Red Light after Photochemical Pretreatment

    Article • Macromolecules, November 2003, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  88. Molecular orientation and relaxation in poly(butylene terephthalate)/polycarbonate blends

    Article • Polymer, November 2003, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  89. Dynamics of a Ferroelectric Liquid Crystal with a Naphthalene Ring during Electric-Field-Induced Switching Studied by Time-Resolved Infrared Spectroscopy Combined with Two-Dimensional Correlation Spectroscopy

    Article • Applied Spectroscopy, September 2003, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  90. Near Infrared Spectra of Pellets and Thin Films of High-Density, Low-Density and Linear Low-Density Polyethylenes and Prediction of Their Physical Properties by Multivariate Data Analysis

    Article • Journal of Near Infrared Spectroscopy, August 2003, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  91. Molecular Structure, Crystallinity, and Morphology of Uncompatibilized and Compatibilized Blends of Polyethylene/Nylon 12

    Article • Macromolecular Chemistry and Physics, July 2003, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  92. Fourier Transform NIR Study of Liquid Diffusion Processes in Nylon 11 Films:  Comparison of Water with Alcohols

    Article • Chemistry of Materials, June 2003, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  93. Two-Dimensional/ATR Infrared Correlation Spectroscopic Study on Water Diffusion in a Poly(ε-caprolactone) Matrix

    Article • Biomacromolecules, June 2003, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  94. Near-Infrared Spectroscopic Monitoring of the Diffusion Process of Deuterium-Labeled Molecules in Wood. Part I: Softwood

    Article • Applied Spectroscopy, June 2003, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  95. Near-Infrared Spectroscopic Monitoring of the Diffusion Process of Deuterium-Labeled Molecules in Wood. Part II: Hardwood

    Article • Applied Spectroscopy, June 2003, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  96. Water diffusion into epoxy resin: a 2D correlation ATR-FTIR investigation

    Article • Chemical Physics Letters, June 2003, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  97. Electric-Field-Induced Reorientation of Liquid Crystalline p-Cyanophenyl-p-n-Alkylbenzoates: A Time-Resolved Study by Fourier Transform Infrared Transmission and Attenuated Total Reflection Spectroscopy

    Article • Applied Spectroscopy, May 2003, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  98. In-Situ Studies of Structure Development during Deformation of a Segmented Poly(urethane−urea) Elastomer

    Article • Macromolecules, February 2003, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  99. Application of Mid Infrared/Near Infrared Spectroscopy in Sugar Industry

    Article • Applied Spectroscopy Reviews, January 2003, Taylor & Francis

    Prof. Dr. Heinz Wilhelm Siesler

  100. Discrimination of various poly(propylene) copolymers and prediction of their ethylene content by near-infrared and Raman spectroscopy in combination with chemometric methods

    Article • Journal of Applied Polymer Science, November 2002, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  101. Raman, X-ray diffraction and differential scanning calorimetry studies of the melt-induced changes in uncompatibilized and compatibilized blends of high-density polyethylene and nylon 12

    Article • Macromolecular Symposia, August 2002, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  102. Self-modeling curve resolution analysis of on-line vibrational spectra of polymerisation and transesterification

    Article • Macromolecular Symposia, August 2002, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  103. Raman spectra of high-density, low-density, and linear low-density polyethylene pellets and prediction of their physical properties by multivariate data analysis

    Article • Journal of Applied Polymer Science, July 2002, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  104. Wavelength Interval Selection in Multicomponent Spectral Analysis by Moving Window Partial Least-Squares Regression with Applications to Mid-Infrared and Near-Infrared Spectroscopic Data

    Article • Analytical Chemistry, June 2002, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  105. On-Line Monitoring of Melt-Extrusion Transesterification of Ethylene Vinylacetate Copolymers by near Infrared Spectroscopy and Chemometrics

    Article • Journal of Near Infrared Spectroscopy, June 2002, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  106. On the ambiguity of self-modeling curve resolution: orthogonal projection approach analysis of the on-line Fourier transform-Raman spectra of styrene/1,3-butadiene block-copolymerization

    Article • Analytica Chimica Acta, May 2002, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  107. Photoorientation of a Liquid Crystalline Polyester with Azobenzene Side Groups. 1. Effects of Irradiation with Linearly Polarized Blue Light†

    Article • The Journal of Physical Chemistry A, March 2002, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  108. Comparison of various chemometric evaluation approaches for on-line FT-NIR transmission and FT-MIR/ATR spectroscopic data of methyl methacrylate solution polymerization

    Article • Analytica Chimica Acta, February 2002, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  109. Time-resolved infrared spectroscopic study of the switching dynamics of a surface-stabilized ferroelectric liquid crystal

    Article • January 2002, American Physical Society (APS)

    Prof. Dr. Heinz Wilhelm Siesler

  110. Anionic dispersion copolymerization of styrene and 1,3-butadiene

    Article • Polymer, January 2002, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  111. Two-dimensional near-infrared correlation temperature studies of an amorphous polyamide

    Article • Polymer, December 2001, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  112. Polycondensation Reaction of Bis(Hydroxyethylterephthalate)—Self Modeling Curve Resolution Analysis of On-Line ATR/FT-IR Spectra

    Article • Applied Spectroscopy, September 2001, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  113. Polarized infrared spectroscopic study on the orientation of the molecules in the smectic-C*<...

    Article • August 2001, American Physical Society (APS)

    Prof. Dr. Heinz Wilhelm Siesler

  114. Fourier-Transform Raman Spectroscopic On-Line Monitoring of the Anionic Dispersion Block Copolymerization of Styrene and 1,3-Butadiene

    Article • Macromolecular Rapid Communications, June 2001, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  115. Ultrathin dynamic networks formed by the surfactant SPAN 65 at the air-water and oil-water interface

    Article • Colloid & Polymer Science, June 2001, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  116. Organofunctional alkoxysilanes in dilute aqueous solution: new accounts on the dynamic structural mutability

    Article • Journal of Organometallic Chemistry, April 2001, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  117. Methylmethacrylate On-Line Polymerisation Monitoring by Light-Fibre Fourier Transform near Infrared Transmission Spectroscopy and Fourier Transform Mid Infrared/Attenuated Total Reflection Spectroscopy

    Article • Journal of Near Infrared Spectroscopy, January 2001, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  118. Two-dimensional correlation analysis of variable-temperature Fourier-transform mid- and near-infrared spectra of polyamide 11

    Article • Journal of Molecular Structure, March 2000, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  119. Monitoring the melt-extrusion transesterification of ethylene–vinylacetate copolymer by self-modeling curve resolution analysis of on-line near-infrared spectra

    Article • The Analyst, January 2000, Royal Society of Chemistry

    Prof. Dr. Heinz Wilhelm Siesler

  120. Dynamic Infrared Spectroscopy Using the Rapid-Scan Technique

    Article • Applied Spectroscopy, December 1999, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  121. The diffusion of alcohols and water in polyamide 11: A study by fourier-transform near-infrared spectroscopy

    Article • Macromolecular Symposia, August 1999, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  122. The Assignment of Overtone and Combination Bands in the near Infrared Spectrum of Polyamide 11

    Article • Journal of Near Infrared Spectroscopy, March 1999, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  123. The switching process in a ferroelectric liquid crystalline side-chain polymer by time-resolved step-scan FT-IR spectroscopy and 2D correlation analysis

    Article • Vibrational Spectroscopy, November 1998, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  124. Near-infrared light-fiber spectroscopic reaction monitoring of the synthesis of diphenylurethane

    Article • Fresenius Journal of Analytical Chemistry, September 1998, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  125. Selectively Deuterated Liquid Crystalline Cyanoazobenzene Side-Chain Polyesters. 1. Preparation and Characterization of Precursors and Diols

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, September 1998, Taylor & Francis

    Prof. Dr. Heinz Wilhelm Siesler

  126. Selectively Deuterated Liquid Crystalline Cyanoazobenzene Side-Chain Polyesters. 2. Preparation and Characterization of Polyesters

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, September 1998, Taylor & Francis

    Prof. Dr. Heinz Wilhelm Siesler

  127. Molecular orientation relaxation in binary blends of poly(methyl methacrylate) by rheo-optical Fourier-transform infrared spectroscopy

    Article • Macromolecular Chemistry and Physics, April 1998, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  128. Selectively Deuterated Liquid Crystalline Cyanoazobenzene Side-Chain Polyesters. 3. Investigations of Laser-Induced Segmental Mobility by Fourier Transform Infrared Spectroscopy

    Article • Macromolecules, March 1998, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  129. 2D FT-NIR and FT-IR correlation analysis of temperature-induced changes of nylon12

    Article • Chemical Physics Letters, February 1998, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  130. Two-Dimensional Correlation Analysis of Time-Resolved Step-Scan FT-IR Spectra of a Liquid Crystalline Guest—Host System in an Electric Field

    Article • Applied Spectroscopy, November 1997, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  131. Rheo-optical fourier transform infrared spectroscopy of polyurethanes and their blends with polyolefins

    Article • Macromolecular Chemistry and Physics, July 1997, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  132. Time-Resolved Step-Scan FT-IR Spectroscopy of a Nematic Solution of 2-Naphthaldehyde in an Electric Field

    Article • Applied Spectroscopy, March 1997, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  133. Theoretical derivation and practical application of energy/temperature diagrams as an instrument in preformulation studies of polymorphic drug substances

    Article • International Journal of Pharmaceutics, March 1996, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  134. Rheo-optical Fourier transform infrared spectroscopy of a liquid-crystalline block copolymer

    Article • Polymer Bulletin, January 1996, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  135. Segmental Mobility of Liquid Crystals and Liquid Crystalline Polymers in an Electric Field: A Study by Time-Resolved Rapid-Scan and Step-Scan FTIR Spectroscopy

    Article • Applied Spectroscopy Reviews, January 1996, Taylor & Francis

    Prof. Dr. Heinz Wilhelm Siesler

  136. On the explanation of the biphotonic processes in polyesters containing azobenzene moieties in the side chain

    Article • Macromolecular Rapid Communications, July 1995, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  137. Dye-containing S∗cside-on/end-on copolymers

    Article • Liquid Crystals, June 1995, Taylor & Francis

    Prof. Dr. Heinz Wilhelm Siesler

  138. Characterization of the electric-field-induced orientation and relaxation dynamics of liquid crystals by time-resolved step-scan Fourier transform infrared spectroscopy

    Article • Vibrational Spectroscopy, May 1995, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  139. The influence of substituents on the orientational behaviour of novel azobenzene side-chain polyesters

    Article • Macromolecular Symposia, May 1995, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  140. Novel Side-Chain Liquid Crystalline Polyester Architecture for Reversible Optical Storage

    Article • Macromolecules, March 1995, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  141. Rheo-optical FT-Raman study of uniaxially stretched poly(vinylidene fluoride)

    Article • Macromolecular Chemistry and Physics, March 1995, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  142. Fourier-transform infrared study of the switching process in a ferroelectric liquid crystalline polymer

    Article • Macromolecular Rapid Communications, February 1995, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  143. Analysis of orientational relaxation in binary blends of uniform polystyrene by rheo-optical Fourier-transform infrared spectroscopy

    Article • Macromolecular Rapid Communications, June 1994, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  144. Characterization of the segmental mobility of liquid-crystalline side-chain polyesters by fourier-transform infrared spectroscopy

    Article • Macromolecular Symposia, May 1994, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  145. Rheo-Optical Fourier Transform Infrared and Raman Spectroscopy of Polymers

    Article • Applied Spectroscopy, September 1993, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  146. Rheo-optical fourier-transform infrared spectroscopy of polymers 16 orientation and strain-induced conformational regularity of poly(dimethylsiloxane) networks during cyclic elongation and recovery

    Article • Makromolekulare Chemie Macromolecular Symposia, June 1993, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  147. Fourier-Transform Raman Spectroscopy of Polymers

    Article • Revue de l Institut Français du Pétrole, May 1993, EDP Sciences

    Prof. Dr. Heinz Wilhelm Siesler

  148. The characterization of polymer deformation by rheo-optical fourier-transform infrared spectroscopy

    Article • Makromolekulare Chemie Macromolecular Symposia, January 1992, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  149. Near-infrared spectroscopy of polymers

    Article • Makromolekulare Chemie Macromolecular Symposia, December 1991, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  150. Preface

    Article • Makromolekulare Chemie Macromolecular Symposia, December 1991, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  151. The destruction-free analysis of polymers by fourier transform infrared photoacoustic and fourier transform Raman spectroscopy: A comparison

    Article • Makromolekulare Chemie Macromolecular Symposia, December 1991, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  152. Near-Infrared Spectroscopy With Fiber Optics And Chemometric Data Treatment

    Article • December 1989, SPIE

    Prof. Dr. Heinz Wilhelm Siesler

  153. Rheo-Optical Fourier-Transform Infrared Spectroscopy Of Polyamide Elastomers

    Article • December 1989, SPIE

    Prof. Dr. Heinz Wilhelm Siesler

  154. Near-infrared spectroscopy: why are still so many analysts opposed to it?

    Article • Fresenius Zeitschrift für Analytische Chemie, January 1989, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  155. Rheo-Optical Fourier-Transform Infrared Spectroscopy of Polymers 14. Segmental Orientation and Strain-Induced Crystallization of a Poly(Ether Urethaneurea) Elastomer

    Article • Berichte der Bunsengesellschaft für physikalische Chemie, May 1988, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  156. Diffuse reflectance fourier transform infrared studies of the reinforcement/coupling agent interface of composites

    Article • Microchimica Acta, January 1988, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  157. Dynamic Fourier transform infrared spectroscopy in polymer research

    Article • Microchimica Acta, January 1988, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  158. Near infrared reflectance spectroscopy (NIRS): A method of rational multicomponent analysis

    Article • Microchimica Acta, January 1988, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  159. Preface

    Article • Makromolekulare Chemie Macromolecular Symposia, September 1986, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  160. Rheo-optical fourier-transform infrared spectroscopy of polymers 12. Variable temperature studies of strain-induced crystallization in sulfur-crosslinked natural rubber

    Article • Makromolekulare Chemie Macromolecular Symposia, September 1986, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  161. Rheo-Optical Fourier Transform Infrared Spectroscopy of Polymers. 10: Strain-Induced Crystallization of Sulfur-Crosslinked Natural Rubber during Cyclic Deformation

    Article • Applied Spectroscopy, September 1985, SAGE Publications

    Prof. Dr. Heinz Wilhelm Siesler

  162. Characterization of molecular order in solid polymers by rheo-optical Fourier-transform infrared spectroscopy: recent advances

    Article • Pure and Applied Chemistry, January 1985, De Gruyter

    Prof. Dr. Heinz Wilhelm Siesler

  163. Rheo-optical Fourier-Transform Infrared Spectroscopy (FTIRS) of polymers—6

    Article • Infrared Physics, May 1984, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  164. Rheo-optical Fourier-transform infrared (FTIR) spectroscopy of polymers

    Article • Colloid & Polymer Science, March 1984, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  165. Rheo-optical Fourier-Transform

    Article • Polymer Bulletin, January 1984, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  166. Rheo-optical fourier transform IR (FTIR) spectroscopy of polyurethane elastomers

    Article • Polymer Bulletin, January 1983, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  167. Rheo-optical fourier transform IR (FTIR) spectroscopy of polyurethane elastomers

    Article • Polymer Bulletin, January 1983, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  168. Rheo-optical fourier transform IR spectroscopy of polyurethane elastomers

    Article • Polymer Bulletin, January 1983, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  169. Characterization of deformation phenomena in polymers by rapid-scanning fourier transform IR (FTIR) spectroscopy and mechanical measurements

    Article • Polymer Bulletin, February 1981, Springer Science + Business Media

    Prof. Dr. Heinz Wilhelm Siesler

  170. Characterization of deformation phenomena in polymers by rapid-scanning Fourier transform infra-red (FT i.r.) spectroscopy and mechanical measurements: 1. Orientation of isotactic polypropylene during uniaxial deformation

    Article • Polymer, February 1980, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  171. Fourier transform infrared (ftir) spectroscopy in polymer research

    Article • Journal of Molecular Structure, January 1980, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  172. Characterization of Polyether and Polyester Homo- and Copolymers Prepared by Ring Opening Polymerization with a New Catalytic System

    Article • Macromolecules, March 1977, American Chemical Society (ACS)

    Prof. Dr. Heinz Wilhelm Siesler

  173. Molecular order and orientation in aromatic polyamide fibers by internal reflection spectroscopy and wide angle X-ray diffraction

    Article • Polymer Engineering & Science, February 1977, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  174. Cobalticenium-bridged polybenzazoles: 1. Low temperature solution polymerization

    Article • Polymer, May 1976, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  175. A new catalytic system for the polymerization of THF

    Article • Polymer, July 1975, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler

  176. Strukturuntersuchungen an cellulosefasern verschiedenen verstreckungsgrades mittels IR-reflexionsspektroskopie und deuteriumaustausch

    Article • Die Angewandte Makromolekulare Chemie, January 1975, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  177. Infrared spectroscopic determination of the kinetic data of the polymerization of aliphatic bismaleimides

    Article • Journal of Applied Polymer Science, July 1974, Wiley

    Prof. Dr. Heinz Wilhelm Siesler

  178. Investigation of orientation phenomena in drawn films of poly[(±)-β-aminobutyric acid]

    Article • Polymer, March 1974, Elsevier

    Prof. Dr. Heinz Wilhelm Siesler