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  1. Multiphoton Tomography in Cosmetic Research

    Article • Cosmetics, March 2025, MDPI AG

    Prof Karsten Koenig, Prof. Dr. Karsten Koenig

  2. Multiphoton Tomography in Cosmetic Research

    Article • December 2024, MDPI AG

    Prof. Dr. Karsten Koenig

  3. Multimodal Multiphoton Tomography with a Compact Femtosecond Fiber Laser

    Article • Journal of Optics and Photonics Research, December 2023, BON VIEW PUBLISHING PTE

    Prof Karsten Koenig, Prof. Dr. Karsten Koenig

  4. Toward next-generation endoscopes integrating biomimetic video systems, nonlinear optical microscopy, and deep learning

    Article • Biophysics Reviews, June 2023, American Institute of Physics

    Prof. Dr. Karsten Koenig

  5. Medical femtosecond laser

    Article • Journal of the European Optical Society Rapid Publications, January 2023, EDP Sciences

    Prof. Dr. Karsten Koenig

  6. Automatic segmentation of skin cells in multiphoton data using multi-stage merging

    Article • Scientific Reports, July 2021, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  7. Non‐invasive optical biopsy by multiphoton microscopy identifies the live morphology of common melanocytic nevi

    Article • Pigment Cell & Melanoma Research, June 2020, Wiley

    Prof. Dr. Karsten Koenig

  8. Artificial Intelligence in Multiphoton Tomography: Atopic Dermatitis Diagnosis

    Article • Scientific Reports, May 2020, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  9. Two-photon fluorescence lifetime imaging on humans with multiphoton tomographs

    Article • Methods and Applications in Fluorescence, April 2020, Institute of Physics Publishing

    Prof. Dr. Karsten Koenig

  10. In vivo optical imaging of vitiligo skin grafting treatment using multiphoton microscopy and reflectance confocal microscopy (Conference Presentation)

    Article • March 2020, SPIE

    Prof. Dr. Karsten Koenig

  11. Front Matter: Volume 11244

    Article • March 2020, SPIE

    Prof. Dr. Karsten Koenig

  12. Clinical two-photon imaging of skin

    Article • February 2020, SPIE

    Prof. Dr. Karsten Koenig

  13. Flexible multiphoton tomography with femtosecond pulse hollow-core fiber delivery

    Article • February 2020, SPIE

    Prof. Dr. Karsten Koenig

  14. High-speed imaging of gas-bubble formation during femtosecond-laser cell optoporation

    Article • February 2020, SPIE

    Prof. Dr. Karsten Koenig

  15. Special Section Guest Editorial: Thirty Years of Multiphoton Microscopy in the Biomedical Sciences

    Article • Journal of Biomedical Optics, January 2020, SPIE

    Prof. Dr. Karsten Koenig

  16. Two-photon imaging of human skin

    Article • Journal of Biomedical Optics, January 2020, SPIE

    Prof. Dr. Karsten Koenig

  17. Riboflavin Concentrations at the Endothelium During Corneal Cross-Linking in Humans

    Article • Investigative Ophthalmology & Visual Science, May 2019, Association for Research in Vision and Ophthalmology (ARVO)

    Prof. Dr. Karsten Koenig

  18. Towards laser-assisted microfluidic-cell transfection

    Article • March 2019, SPIE

    Prof. Dr. Karsten Koenig

  19. In vivo multiphoton microscopy imaging of vitiligo (Conference Presentation)

    Article • March 2019, SPIE

    Prof. Dr. Karsten Koenig

  20. Multimodal multiphoton tomograph using a compact femtosecond fiber laser

    Article • February 2019, SPIE

    Prof. Dr. Karsten Koenig

  21. Subsurface photoluminescence lifetime imaging of photovoltaic materials using multiphoton tomography

    Article • February 2019, SPIE

    Prof. Dr. Karsten Koenig

  22. In vivo multiphoton microscopy of melasma

    Article • Pigment Cell & Melanoma Research, December 2018, Wiley

    Prof. Dr. Karsten Koenig

  23. In vivo multiphoton microscopy of scabies

    Article • JAAD Case Reports, November 2018, Elsevier

    Prof. Dr. Karsten Koenig

  24. Feature characterization of scarring and non‐scarring types of alopecia by multiphoton microscopy

    Article • Lasers in Surgery and Medicine, September 2018, Wiley

    Prof. Dr. Karsten Koenig

  25. Rapid vertical tissue imaging with clinical multiphoton tomography

    Article • May 2018, SPIE

    Prof. Dr. Karsten Koenig

  26. Assessment of the metabolism and morphology of the porcine cornea, lens and retina by 2-photon imaging

    Article • Journal of Biophotonics, April 2018, Wiley

    Professor António Miguel Morgado, Prof. Dr. Karsten Koenig

  27. High-resolution, label-free two-photon imaging of diseased human corneas

    Article • Journal of Biomedical Optics, March 2018, SPIE

    Prof. Dr. Karsten Koenig

  28. Rapid in vivo vertical tissue sectioning by multiphoton tomography

    Article • February 2018, SPIE

    Prof. Dr. Karsten Koenig

  29. Multiphoton Tomography for in Vivo Skin Age Determination

    Article • Optik & Photonik, February 2018, Wiley

    Prof. Dr. Karsten Koenig

  30. Non-invasive evaluation of human mucosal structures by multiphoton laser scanning tomography in vitro

    Article • Skin Research and Technology, February 2018, Wiley

    Prof. Dr. Karsten Koenig

  31. Femtosecond multiphoton nanoprocessing

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  32. Multiphoton imaging of cryosamples

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  33. Clinical two photon imaging

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  34. 1 Brief history of fluorescence lifetime imaging

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  35. 9 Laser tweezers are sources of two-photon effects

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  36. 16 Two-photon microscopy and fluorescence lifetime imaging of the cornea

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  37. Two-photon FLIM microscopy

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  38. Contents

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  39. Preface

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  40. Foreword

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  41. 14 Clinical multimodal CARS imaging

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  42. Frontmatter

    Article • January 2018, De Gruyter

    Prof. Dr. Karsten Koenig

  43. Assessment of Human Corneas Prior to Transplantation Using High-Resolution Two-Photon Imaging

    Article • Investigative Ophthalmology & Visual Science, January 2018, Association for Research in Vision and Ophthalmology (ARVO)

    Professor António Miguel Morgado, Prof. Dr. Karsten Koenig

  44. femtosecond laser nanoprocessing

    Article • Journal of Applied Crystallography, May 2017, International Union of Crystallography

    Professor Nathalie Destouches, Prof. Dr. Karsten Koenig

  45. In vivo multiphoton‐microscopy of picosecond‐laser‐induced optical breakdown in human skin

    Article • Lasers in Surgery and Medicine, March 2017, Wiley

    Prof. Dr. Karsten Koenig

  46. Towards in vivo breast skin characterization using multiphoton microscopy

    Article • February 2017, SPIE

    Prof. Dr. Karsten Koenig

  47. Multiphoton tomography of the human eye

    Article • February 2017, SPIE

    Prof. Dr. Karsten Koenig

  48. In vivo multiphoton microscopy imaging of pigmentary skin disorders

    Article • January 2017, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  49. Autofluorescence lifetime variation in the cuticle of the bedbug Cimex lectularius

    Article • Arthropod Structure & Development, January 2017, Elsevier

    Prof. Dr. Karsten Koenig

  50. Cell optoporation with a sub-15 fs and a 250-fs laser

    Article • Journal of Biomedical Optics, June 2016, SPIE

    Prof. Dr. Karsten Koenig

  51. Multiphoton tomography with tunable Ti:sapphire laser (Conference Presentation)

    Article • April 2016, SPIE

    Prof. Dr. Karsten Koenig

  52. From morphology to biochemical state – intravital multiphoton fluorescence lifetime imaging of inflamed human skin

    Article • Scientific Reports, March 2016, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  53. Two-photon spectral fluorescence lifetime and second-harmonic generation imaging of the porcine cornea with a 12-femtosecond laser microscope

    Article • Journal of Biomedical Optics, March 2016, SPIE

    Professor António Miguel Morgado, Prof. Dr. Karsten Koenig

  54. Comparison of morphologic criteria for actinic keratosis and squamous cell carcinoma usingin vivomultiphoton tomography

    Article • Experimental Dermatology, February 2016, Wiley

    Prof. Dr. Karsten Koenig

  55. In vivo multiphoton tomography and fluorescence lifetime imaging of human brain tumor tissue

    Article • Journal of Neuro-Oncology, January 2016, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  56. Optical reprogramming of human somatic cells using ultrashort Bessel-shaped near-infrared femtosecond laser pulses

    Article • Journal of Biomedical Optics, November 2015, SPIE

    Prof. Dr. Karsten Koenig

  57. Reprogramming of cells by laser

    Article • Journal of Biophotonics, November 2015, Wiley

    Prof. Dr. Karsten Koenig, Prof Karsten Koenig

  58. Multiphoton imaging with a novel compact diode‐pumped Ti:sapphire oscillator

    Article • Microscopy Research and Technique, November 2015, Wiley

    Prof. Dr. Karsten Koenig

  59. Optimization of the measurement procedure during multiphoton tomography of human skinin vivo

    Article • Skin Research and Technology, October 2015, Wiley

    Prof. Dr. Karsten Koenig

  60. In Vivo Multiphoton Microscopy of Basal Cell Carcinoma

    Article • JAMA Dermatology, October 2015, American Medical Association (AMA)

    Prof. Dr. Karsten Koenig

  61. Comparison of label-free and GFP multiphoton imaging of hair follicle-associated pluripotent (HAP) stem cells in mouse whiskers

    Article • Cell Cycle, September 2015, Taylor & Francis

    Prof. Dr. Karsten Koenig

  62. Sperm metabolism is altered during storage by female insects: evidence from two-photon autofluorescence lifetime measurements in bedbugs

    Article • Journal of The Royal Society Interface, September 2015, Royal Society Publishing

    Prof. Dr. Karsten Koenig

  63. Impact of refractive index mismatches on coherent anti-Stokes Raman scattering and multiphoton autofluorescence tomography of human skinin vivo

    Article • Physics in Medicine and Biology, August 2015, Institute of Physics Publishing

    Prof. Dr. Karsten Koenig

  64. Software-aided automatic laser optoporation and transfection of cells

    Article • Scientific Reports, June 2015, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  65. Characterization of porcine eyes based on autofluorescence lifetime imaging

    Article • March 2015, SPIE

    Professor António Miguel Morgado, Prof. Dr. Karsten Koenig

  66. Histology in vivo : chemical contrast combined with clinical multimodal multiphoton tomography

    Article • March 2015, SPIE

    Prof. Dr. Karsten Koenig

  67. Motionless polarization-resolved second harmonic generation imaging of corneal collagen

    Article • March 2015, SPIE

    Prof. Dr. Karsten Koenig

  68. Multiphoton tomography of chemohazards and biohazards

    Article • March 2015, SPIE

    Prof. Dr. Karsten Koenig

  69. Optical reprogramming with ultrashort femtosecond laser pulses

    Article • March 2015, SPIE

    Prof. Dr. Karsten Koenig

  70. Two-photon autofluorescence lifetime and SHG imaging of healthy and diseased human corneas

    Article • March 2015, SPIE

    Professor António Miguel Morgado, Prof. Dr. Karsten Koenig

  71. Multipurpose nonlinear optical imaging system forin vivoandex vivomultimodal histology

    Article • Journal of Medical Imaging, March 2015, SPIE

    Prof. Dr. Karsten Koenig

  72. Software aided automatic cell optoporation system

    Article • March 2015, SPIE

    Prof. Dr. Karsten Koenig

  73. Optical cell cleaning with NIR femtosecond laser pulses

    Article • March 2015, SPIE

    Prof. Dr. Karsten Koenig

  74. Optically Induced Nanostructures

    Article • January 2015, De Gruyter

    Prof. Dr. Karsten Koenig

  75. In Vivo Imaging of ZnO Nanoparticles from Sunscreen on Human Skin with a Mobile Multiphoton Tomograph

    Article • BioNanoScience, November 2014, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  76. High-throughput continuous flow femtosecond laser-assisted cell optoporation and transfection

    Article • Microscopy Research and Technique, August 2014, Wiley

    Prof. Dr. Karsten Koenig

  77. Towards optical cell transfection inside a micro flow cell

    Article • March 2014, SPIE

    Prof. Dr. Karsten Koenig

  78. High-resolution multiphoton cryomicroscopy

    Article • Methods, March 2014, Elsevier

    Prof. Dr. Karsten Koenig

  79. Quantitative multiphoton imaging

    Article • February 2014, SPIE

    Prof. Dr. Karsten Koenig

  80. A novel clinical multimodal multiphoton tomograph for AF, SHG, CARS imaging, and FLIM

    Article • February 2014, SPIE

    Prof. Dr. Karsten Koenig

  81. FLIM of stem cells

    Article • February 2014, SPIE

    Prof. Dr. Karsten Koenig

  82. Detection of back-reflected SHG from corneal histological sections

    Article • February 2014, SPIE

    Professor António Miguel Morgado, Prof. Dr. Karsten Koenig

  83. Multiphoton imaging of biological samples during freezing and heating

    Article • February 2014, SPIE

    Prof. Dr. Karsten Koenig

  84. Multiphoton Laser Tomography and Fluorescence Lifetime Imaging of Melanoma: Morphologic Features and Quantitative Data for Sensitive and Specific Non-Invasive Diagnostics

    Article • PLOS One, July 2013, PLOS

    Prof. Dr. Karsten Koenig

  85. High‐resolution multiphoton tomography and fluorescence lifetime imaging of UVB‐induced cellular damage on cultured fibroblasts producing fibres

    Article • Skin Research and Technology, April 2013, Wiley

    Prof. Dr. Karsten Koenig

  86. Special Section Guest Editorial: Multiphoton Microscopy: Technical Innovations, Biological Applications, and Clinical Diagnostics

    Article • Journal of Biomedical Optics, April 2013, SPIE

    Prof. Dr. Karsten Koenig

  87. In vivodetection of basal cell carcinoma: comparison of a reflectance confocal microscope and a multiphoton tomograph

    Article • Journal of Biomedical Optics, March 2013, SPIE

    Prof. Dr. Karsten Koenig

  88. Clinical multiphoton endoscopy with FLIM capability

    Article • February 2013, SPIE

    Prof. Dr. Karsten Koenig

  89. Multiphoton cryo microscope with sample temperature control

    Article • February 2013, SPIE

    Prof. Dr. Karsten Koenig

  90. Clinical studies of pigmented lesions in human skin by using a multiphoton tomograph

    Article • February 2013, SPIE

    Prof. Dr. Karsten Koenig

  91. Optically Generated Sub-100nm Structures for Biomedical and Technical Applications

    Article • Physics Procedia, January 2013, Elsevier

    Prof. Dr. Karsten Koenig

  92. In Vivo Multiphoton NADH Fluorescence Reveals Depth-Dependent Keratinocyte Metabolism in Human Skin

    Article • Biophysical Journal, January 2013, Elsevier

    Prof. Dr. Karsten Koenig

  93. High resolution diagnosis of common nevi by multiphoton laser tomography and fluorescence lifetime imaging

    Article • Skin Research and Technology, December 2012, Wiley

    Prof. Dr. Karsten Koenig

  94. Multiphoton tomography visualizes collagen fibers in the tumor microenvironment that maintain cancer‐cell anchorage and shape

    Article • Journal of Cellular Biochemistry, November 2012, Wiley

    Prof. Dr. Karsten Koenig

  95. Multiphoton imaging of freezing and heating effects in plant leaves

    Article • Journal of Biophotonics, September 2012, Wiley

    Prof. Dr. Karsten Koenig

  96. High‐resolution imaging of basal cell carcinoma: a comparison between multiphoton microscopy with fluorescence lifetime imaging and reflectance confocal microscopy

    Article • Skin Research and Technology, September 2012, Wiley

    Prof. Dr. Karsten Koenig

  97. Multiphoton Multispectral Fluorescence Lifetime Tomography for the Evaluation of Basal Cell Carcinomas

    Article • PLOS One, September 2012, PLOS

    Prof. Dr. Karsten Koenig

  98. Multiphoton laser tomography and fluorescence lifetime imaging of basal cell carcinoma: morphologic features for non‐invasive diagnostics

    Article • Experimental Dermatology, August 2012, Wiley

    Prof. Dr. Karsten Koenig

  99. Diagnosis of BCC by multiphoton laser tomography

    Article • Skin Research and Technology, July 2012, Wiley

    Prof. Dr. Karsten Koenig

  100. Hybrid multiphoton multimodal tomography of in vivo human skin

    Article • IntraVital, July 2012, Taylor & Francis

    Prof. Dr. Karsten Koenig

  101. Experimentelle Hornhautbildgebung und Hornhautchirurgie mit nicht verstärkten Femtosekundenlaserpulsen

    Article • Der Ophthalmologe, June 2012, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  102. Three‐dimensional multiphoton/optical coherence tomography for diagnostic applications in dermatology

    Article • Journal of Biophotonics, June 2012, Wiley

    Prof. Dr. Karsten Koenig

  103. Sub-15 fs multiphoton lithography of three-dimensional structures for live cell applications

    Article • Journal of Optics, May 2012, Institute of Physics Publishing

    Prof. Dr. Karsten Koenig

  104. Nanosurgery of cells and chromosomes using near-infrared twelve-femtosecond laser pulses

    Article • Journal of Biomedical Optics, May 2012, SPIE

    Prof. Dr. Karsten Koenig

  105. Clinical multiphoton FLIM tomography

    Article • February 2012, SPIE

    Prof. Dr. Karsten Koenig

  106. Watching stem cells at work with a flexible multiphoton tomograph

    Article • February 2012, SPIE

    Prof. Dr. Karsten Koenig

  107. Material processing with 12 femtosecond picojoule laser pulses

    Article • February 2012, SPIE

    Prof. Dr. Karsten Koenig

  108. Studies on wide-field-of-view multiphoton imaging using the flexible clinical multiphoton tomograph MPTflex

    Article • February 2012, SPIE

    Prof. Dr. Karsten Koenig

  109. Clinical multiphoton and CARS microscopy

    Article • February 2012, SPIE

    Prof. Dr. Karsten Koenig

  110. Sub-100 nm structuring of indium-tin-oxide thin films by sub-15 femtosecond pulsed near-infrared laser light

    Article • Optics Letters, February 2012, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  111. Safety Assessment by Multiphoton Fluorescence/Second Harmonic Generation/Hyper-Rayleigh Scattering Tomography of ZnO Nanoparticles Used in Cosmetic Products

    Article • Skin Pharmacology and Physiology, January 2012, Karger Publishers

    Prof. Dr. Karsten Koenig

  112. Multiphoton Laser Microscopy and Fluorescence Lifetime Imaging for the Evaluation of the Skin

    Article • Dermatology Research and Practice, January 2012, Hindawi Publishing Corporation

    Prof. Dr. Karsten Koenig

  113. Non‐invasive evaluation of dermal elastosis by in vivo multiphoton tomography with autofluorescence lifetime measurements

    Article • Experimental Dermatology, December 2011, Wiley

    Prof. Dr. Karsten Koenig

  114. Quantification of cellular autofluorescence of human skin using multiphoton tomography and fluorescence lifetime imaging in two spectral detection channels

    Article • Biomedical Optics Express, November 2011, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  115. Combined in vivo multiphoton and CARS imaging of healthy and disease‐affected human skin

    Article • Microscopy Research and Technique, October 2011, Wiley

    Prof. Dr. Karsten Koenig

  116. Application of ultrafast gold luminescence to measuring the instrument response function for multispectral multiphoton fluorescence lifetime imaging

    Article • Optics Express, July 2011, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  117. multiphoton tomography of stem cells

    Article • Cell Cycle, June 2011, Taylor & Francis

    Prof. Dr. Karsten Koenig

  118. Multimodal clinical multiphoton tomography

    Article • February 2011, SPIE

    Prof. Dr. Karsten Koenig

  119. Nanosurgery with near-infrared 12-femtosecond and picosecond laser pulses

    Article • February 2011, SPIE

    Prof. Dr. Karsten Koenig

  120. Nanostructure formation on silicon surfaces by high repetition-rate sub-15 femtosecond near-infrared laser pulses

    Article • February 2011, SPIE

    Prof. Dr. Karsten Koenig

  121. Nanoprocessing of glass and PMMA by means of near-infrared sub-15 femtosecond laser pulses

    Article • February 2011, SPIE

    Prof. Dr. Karsten Koenig

  122. Sub-100nm material processing with sub-15 femtosecond picojoule near infrared laser pulses

    Article • February 2011, SPIE

    Prof. Dr. Karsten Koenig

  123. High-resolution multimodal clinical multiphoton tomography of skin

    Article • February 2011, SPIE

    Prof. Dr. Karsten Koenig

  124. Clinical application of multiphoton tomography in combination with high-frequency ultrasound for evaluation of skin diseases

    Article • Journal of Biophotonics, November 2010, Wiley

    Prof. Dr. Karsten Koenig

  125. Multiphoton Imaging and Nanoprocessing of Human Stem Cells

    Article • October 2010, Wiley

    Prof. Dr. Karsten Koenig

  126. P7 Clinical in vivo high-resolution multiphoton tomography of human skin for imaging cancer cells, extracellular matrix components, and sunscreen nanoparticles

    Article • Melanoma Research, June 2010, Wolters Kluwer Health

    Prof. Dr. Karsten Koenig

  127. Depth-resolved measurement of the dermal matrix composition by multiphoton laser tomography

    Article • Skin Research and Technology, May 2010, Wiley

    Prof. Dr. Karsten Koenig

  128. Multiphotonenmikroskopie und In-vivo-Multiphotonentomographie in der dermatologischen Bildgebung

    Article • Der Hautarzt, April 2010, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  129. In vivomeasurement of the human epidermal thickness in different localizations by multiphoton laser tomography

    Article • Skin Research and Technology, March 2010, Wiley

    Prof. Dr. Karsten Koenig

  130. Long-term marker-free multiphoton imaging, targeted transfection, optical cleaning of stem cell clusters, and optical transport of microRNA with extreme ultrashort laser pulses

    Article • February 2010, SPIE

    RETIRED - PRESERVE FROM BEING FORGOTTEN: Professor Zeno Földes-Papp [Biochemist, Gerontologist (Biochemiker, Geriater)]: Laying the Foundation of Single-Molecule Biophysics & Biochemistry Based On the Stochastic Nature of Diffusion: The Individual Molecule, from the Mathematical Core to the Physical Theory. -- I hope that my humble scientific work will be well received by the communities of single-molecule imaging and spectroscopy and by all users of these technologies as well as biotechnologies in the various and different disciplines:, Prof. Dr. Karsten Koenig

  131. Current developments in clinical multiphoton tomography

    Article • February 2010, SPIE

    Prof. Dr. Karsten Koenig

  132. Trafficking of Mature miRNA-122 into the Nucleus of Live Liver Cells

    Article • Current Pharmaceutical Biotechnology, September 2009, Bentham Science Publishers

    RETIRED - PRESERVE FROM BEING FORGOTTEN: Professor Zeno Földes-Papp [Biochemist, Gerontologist (Biochemiker, Geriater)]: Laying the Foundation of Single-Molecule Biophysics & Biochemistry Based On the Stochastic Nature of Diffusion: The Individual Molecule, from the Mathematical Core to the Physical Theory. -- I hope that my humble scientific work will be well received by the communities of single-molecule imaging and spectroscopy and by all users of these technologies as well as biotechnologies in the various and different disciplines:, Prof. Dr. Karsten Koenig

  133. Intrinsic, solar and sunbed‐induced skin aging measured in vivo by multiphoton laser tomography and biophysical methods

    Article • Skin Research and Technology, July 2009, Wiley

    Prof. Dr. Karsten Koenig

  134. Sensitivity and Specificity of Multiphoton Laser Tomography for In Vivo and Ex Vivo Diagnosis of Malignant Melanoma

    Article • Journal of Investigative Dermatology, July 2009, Elsevier

    Prof. Dr. Karsten Koenig

  135. Clinical optical coherence tomography combined with multiphoton tomography of patients with skin diseases

    Article • Journal of Biophotonics, July 2009, Wiley

    Prof. Dr. Karsten Koenig

  136. Rigid and high-numerical-aperture two-photon fluorescence endoscope

    Article • Applied Optics, June 2009, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  137. Spectral fluorescence lifetime detection and selective melanin imaging by multiphoton laser tomography for melanoma diagnosis

    Article • Experimental Dermatology, May 2009, Wiley

    Prof. Dr. Karsten Koenig

  138. Ultraviolet Femtosecond Laser Creation of Corneal Flap

    Article • Journal of Refractive Surgery, April 2009, SLACK, Inc.

    Prof. Dr. Karsten Koenig

  139. Clinical multiphoton tomography and clinical two-photon microendoscopy

    Article • February 2009, SPIE

    Prof. Dr. Karsten Koenig

  140. In vitro femtosecond laser-assisted nanosurgery of porcine posterior capsule

    Article • Journal of Cataract & Refractive Surgery, December 2008, Wolters Kluwer Health

    Prof. Dr. Karsten Koenig

  141. Multiphoton tissue imaging using high‐NA microendoscopes and flexible scan heads for clinical studies and small animal research

    Article • Journal of Biophotonics, December 2008, Wiley

    Prof. Dr. Karsten Koenig

  142. Optical knock out of stem cells with extremely ultrashort femtosecond laser pulses

    Article • Journal of Biophotonics, December 2008, Wiley

    Prof. Dr. Karsten Koenig

  143. Nonlinear optical endoscope based on a compact two axes piezo scanner and a miniature objective lens

    Article • Optics Express, November 2008, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  144. Multiphoton-mediated Corneal Flap Generation Using the 80 MHz Nanojoule Femtosecond Near-Infrared Laser

    Article • Journal of Refractive Surgery, October 2008, SLACK, Inc.

    Prof. Dr. Karsten Koenig

  145. Targeted transfection of stem cells with sub-20 femtosecond laser pulses

    Article • Optics Express, June 2008, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  146. Einsatz der Fluoreszenzspektroskopie zur selektiven perkutanen Nukleotomie mit dem Excimer-Laser - Experimentelle Untersuchungen

    Article • Zeitschrift für Orthopädie und ihre Grenzgebiete, May 2008, Thieme Publishing Group

    Prof. Dr. Karsten Koenig

  147. Clinical multiphoton tomography

    Article • Journal of Biophotonics, March 2008, Wiley

    Prof. Dr. Karsten Koenig

  148. Morphological skin ageing criteria by multiphoton laser scanning tomography: non‐invasive in vivo scoring of the dermal fibre network

    Article • Experimental Dermatology, January 2008, Wiley

    Prof. Dr. Karsten Koenig

  149. Optically controlled thermal management on the nanometer length scale

    Article • Nanotechnology, January 2008, Institute of Physics Publishing

    Prof. Dr. Karsten Koenig

  150. Two-photon autofluorescence and second-harmonic imaging of adult stem cells

    Article • Journal of Biomedical Optics, January 2008, SPIE

    Prof. Dr. Karsten Koenig

  151. Prolonged irradiation of enhanced cyan fluorescent protein or Cerulean can invalidate Förster resonance energy transfer measurements

    Article • Journal of Biomedical Optics, January 2008, SPIE

    Prof. Dr. Karsten Koenig

  152. Femtosecond Laser-Assisted Retinal Imaging and Ablation: Experimental Pilot Study

    Article • Current Eye Research, January 2008, Taylor & Francis

    Prof. Dr. Karsten Koenig

  153. In VitroNoncontact Intravascular Femtosecond Laser Surgery in Models of Branch Retinal Vein Occlusion

    Article • Current Eye Research, January 2008, Taylor & Francis

    Prof. Dr. Karsten Koenig

  154. Rigid and high NA multiphoton fluorescence GRIN-endoscopes

    Article • July 2007, SPIE

    Prof. Dr. Karsten Koenig

  155. Multiphoton microscopy for monitoring intratissue femtosecond laser surgery effects

    Article • Lasers in Surgery and Medicine, July 2007, Wiley

    Prof. Dr. Karsten Koenig

  156. In‐vivo observation of cells with a combined high‐resolution multiphoton–acoustic scanning microscope

    Article • Microscopy Research and Technique, March 2007, Wiley

    Prof. Dr. Karsten Koenig

  157. In-vivo intratissue ablation by nanojoule near-infrared femtosecond laser pulses

    Article • Cell and Tissue Research, February 2007, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  158. In vivo multiphoton endoscopy of endogenous skin fluorophores

    Article • February 2007, SPIE

    Prof. Dr. Karsten Koenig

  159. In vivo multiphoton tomography of skin during wound healing and scar formation

    Article • February 2007, SPIE

    Prof. Dr. Karsten Koenig

  160. A Parallel Approach for Subwavelength Molecular Surgery Using Gene-Specific Positioned Metal Nanoparticles as Laser Light Antennas

    Article • Nano Letters, January 2007, American Chemical Society (ACS)

    Prof. Dr. Karsten Koenig

  161. Multiparametric high-resolution imaging of barley embryos by multiphoton microscopy and magnetic resonance micro-imaging

    Article • Microscopy Research and Technique, January 2007, Wiley

    Prof. Dr. Karsten Koenig

  162. Rigid and high NA multiphoton fluorescence GRIN-endoscopes

    Article • January 2007, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  163. Clinical two-photon microendoscopy

    Article • Microscopy Research and Technique, January 2007, Wiley

    Prof. Dr. Karsten Koenig

  164. Ultrastructure and reproduction behaviour of single CHO-K1 cells exposed to near infrared femtosecond laser pulses

    Article • Scanning, December 2006, Wiley

    Prof. Dr. Karsten Koenig

  165. Multiphoton fluorescence lifetime imaging of human hair

    Article • Microscopy Research and Technique, December 2006, Wiley

    Prof. Dr. Karsten Koenig

  166. Two-photon microscopes and in vivo multiphoton tomographs — Powerful diagnostic tools for tissue engineering and drug delivery

    Article • Advanced Drug Delivery Reviews, October 2006, Elsevier

    Prof. Dr. Karsten Koenig

  167. Multiphoton Microscopy for the Investigation of Dermal Penetration of Nanoparticle-Borne Drugs

    Article • Journal of Investigative Dermatology, October 2006, Elsevier

    Prof. Dr. Karsten Koenig

  168. In vivo assessment of human skin aging by multiphoton laser scanning tomography

    Article • Optics Letters, September 2006, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  169. Intraocular multiphoton microscopy with subcellular spatial resolution by infrared femtosecond lasers

    Article • Histochemistry and Cell Biology, May 2006, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  170. Fluorescence lifetime images and correlation spectra obtained by multidimensional time‐correlated single photon counting

    Article • Microscopy Research and Technique, March 2006, Wiley

    Prof. Dr. Karsten Koenig

  171. Impact of Cryopreservation on Extracellular Matrix Structures of Heart Valve Leaflets

    Article • The Annals of Thoracic Surgery, March 2006, Elsevier

    Prof. Dr. Karsten Koenig

  172. Multiphoton imaging of corneal tissue with near-infrared femtosecond laser pulses: corneal optical tomography and its use in refractive surgery

    Article • February 2006, SPIE

    Prof. Dr. Karsten Koenig

  173. Fluorescence lifetime imaging of human skin and hair

    Article • February 2006, SPIE

    Prof. Dr. Karsten Koenig

  174. In vivo multiphoton tomography of skin cancer

    Article • February 2006, SPIE

    Prof. Dr. Karsten Koenig

  175. Cell Damage During Multi-Photon Microscopy

    Article • January 2006, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  176. In vivo Drug Screening in Human Skin Using Femtosecond Laser Multiphoton Tomography

    Article • Skin Pharmacology and Physiology, January 2006, Karger Publishers

    Prof. Dr. Karsten Koenig

  177. Influence of Nanoencapsulation on Human Skin Transport of Flufenamic Acid

    Article • Skin Pharmacology and Physiology, January 2006, Karger Publishers

    Prof. Dr. Karsten Koenig

  178. Multiphoton nanosurgery in cells and tissues

    Article • April 2005, SPIE

    Prof. Dr. Karsten Koenig

  179. Multiphoton autofluorescence imaging of intratissue elastic fibers

    Article • Biomaterials, February 2005, Elsevier

    Prof. Dr. Karsten Koenig

  180. Sub-100 nm nanostructuring of silicon by ultrashort laser pulses

    Article • Optics Express, January 2005, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  181. Imaging of cardiovascular structures using near-infrared femtosecond multiphoton laser scanning microscopy

    Article • Journal of Biomedical Optics, January 2005, SPIE

    Prof. Dr. Karsten Koenig

  182. Femtosecond laser application in biotechnology and medicine

    Article • October 2004, SPIE

    Prof. Dr. Karsten Koenig

  183. Photodynamic therapy and knocking out of single tumor cells by multiphoton excitation processes

    Article • September 2004, SPIE

    Prof. Dr. Karsten Koenig

  184. Nanoprocessing of DNA with femtosecond laser

    Article • September 2004, SPIE

    Prof. Dr. Karsten Koenig

  185. High-resolution multiphoton tomography of human skin in vivo and in vitro

    Article • September 2004, SPIE

    Prof. Dr. Karsten Koenig

  186. High-speed FLIM data acquisition by time-correlated single-photon counting

    Article • June 2004, SPIE

    Prof. Dr. Karsten Koenig

  187. Multiphoton tomography, transfection, and nanosurgery with <2-nJ, 80-MHz femtosecond laser pulses

    Article • June 2004, SPIE

    Prof. Dr. Karsten Koenig

  188. Comparative study of cellular and extracellular matrix composition of native and tissue engineered heart valves

    Article • Matrix Biology, May 2004, Elsevier

    Prof. Dr. Karsten Koenig

  189. Dead but Highly Dynamic – The Stratum corneum Is Divided into Three Hydration Zones

    Article • Skin Pharmacology and Physiology, January 2004, Karger Publishers

    Prof. Dr. Karsten Koenig

  190. Detection of melanomas in patients followed up with total cutaneous examinations, total cutaneous photography, and dermoscopy

    Article • Journal of the American Academy of Dermatology, January 2004, Elsevier

    Prof. Dr. Karsten Koenig

  191. Fluorescence lifetime imaging by time‐correlated single‐photon counting

    Article • Microscopy Research and Technique, December 2003, Wiley

    Prof. Dr. Karsten Koenig

  192. Impact of decellularization of xenogeneic tissue on extracellular matrix integrity for tissue engineering of heart valves

    Article • Journal of Structural Biology, September 2003, Elsevier

    Prof. Dr. Karsten Koenig

  193. multiphoton tomography

    Article • Journal of Biomedical Optics, January 2003, SPIE

    Prof. Dr. Karsten Koenig

  194. Characterizing point spread functions of two-photon fluorescence microscopy in turbid medium

    Article • Journal of Biomedical Optics, January 2003, SPIE

    Prof. Dr. Karsten Koenig

  195. Modern laser scanning microscopy in biology, biotechnology and medicine

    Article • Annals of Anatomy - Anatomischer Anzeiger, January 2003, Elsevier

    Prof. Dr. Karsten Koenig

  196. Femtosecond near‐infrared laser pulses as a versatile non‐invasive tool for intra‐tissue nanoprocessing in plants without compromising viability

    Article • The Plant Journal, August 2002, Wiley

    Prof. Dr. Karsten Koenig

  197. Femtosecond laser transfection

    Article • Nature, July 2002, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  198. Intratissue surgery with 80 MHz nanojoule femtosecond laser pulses in the near infrared

    Article • Optics Express, February 2002, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  199. Femtosecond near-infrared lasers as a novel tool for non-invasive real-time high-resolution time-lapse imaging of chloroplast division in living bundle sheath cells of Arabidopsis

    Article • Planta, November 2001, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  200. Nanodissection of human chromosomes with near-infrared femtosecond laser pulses

    Article • Optics Letters, June 2001, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  201. Picosecond fluorescence lifetime microscopy by TCSPC imaging

    Article • April 2001, SPIE

    Prof. Dr. Karsten Koenig

  202. Femtosecond Near-Infrared Laser Pulses Elicit Generation of Reactive Oxygen Species in Mammalian Cells Leading to Apoptosis-like Death

    Article • Experimental Cell Research, February 2001, Elsevier

    Prof. Dr. Karsten Koenig

  203. Multiphoton multicolor FISH

    Article • December 2000, SPIE

    Prof. Dr. Karsten Koenig

  204. Multiphoton microscopy in life sciences

    Article • Journal of Microscopy, November 2000, Wiley

    Prof. Dr. Karsten Koenig

  205. Multiplex FISH and three-dimensional DNA imaging with near infrared femtosecond laser pulses

    Article • Histochemistry and Cell Biology, October 2000, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  206. Lipopolysaccharide induces distinct alterations in the microtubule cytoskeleton of monocytes

    Article • Cell Biology and Toxicology, October 2000, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  207. Laser tweezers and multiphoton microscopes in life sciences

    Article • Histochemistry and Cell Biology, August 2000, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  208. Near-infrared femtosecond laser pulses as a novel non-invasive means for dye-permeation and 3D imaging of localised dye-coupling in the Arabidopsis root meristem+

    Article • The Plant Journal, November 1999, Wiley

    Prof. Dr. Karsten Koenig

  209. Cloning assay thresholds on cells exposed to ultrafast laser pulses

    Article • June 1999, SPIE

    Prof. Dr. Karsten Koenig

  210. Pulse-length dependence of cellular response to intense near-infrared laser pulses in multiphoton microscopes

    Article • Optics Letters, January 1999, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  211. Femtosecond Multiphoton Microscopy for Cell and Tissue Diagnostics

    Article • January 1999, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  212. Aktueller Stand der Lasertherapie in der Dermatologie

    Article • Der Hautarzt, September 1998, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  213. How safe is gamete micromanipulation by laser tweezers?

    Article • April 1998, SPIE

    Prof. Dr. Karsten Koenig

  214. Time-resolved and steady-state fluorescence measurements of β-nicotinamide adenine dinucleotide-alcohol dehydrogenase complex during UVA exposure

    Article • Journal of Photochemistry and Photobiology B Biology, January 1997, Elsevier

    Prof. Dr. Karsten Koenig

  215. Andrology: Effects of ultraviolet exposure and near infrared laser tweezers on human spermatozoa

    Article • Human Reproduction, October 1996, Oxford University Press (OUP)

    Prof. Dr. Karsten Koenig

  216. Cell damage in near-infrared multimode optical traps as a result of multiphoton absorption

    Article • Optics Letters, July 1996, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  217. Cell damage by UVA radiation of a mercury microscopy lamp probed by autofluorescence modifications, cloning assay, and comet assay

    Article • Journal of Biomedical Optics, January 1996, SPIE

    Prof. Dr. Karsten Koenig

  218. Photodynamic effects on human and chicken erythrocytes studied with microirradiation and confocal laser scanning microscopy

    Article • Lasers in Surgery and Medicine, January 1996, Wiley

    Prof. Dr. Karsten Koenig

  219. AUTOFLUORESCENCE SPECTROSCOPY OF OPTICALLY TRAPPED CELLS

    Article • Photochemistry and Photobiology, November 1995, Wiley

    Prof. Dr. Karsten Koenig

  220. Two-photon fluorescence excitation in continuous-wave infrared optical tweezers

    Article • Optics Letters, November 1995, Optical Society of America (OSA)

    Prof. Dr. Karsten Koenig

  221. two photon effects by laser tweezers

    Article • Nature, September 1995, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  222. Photodynamic therapy of experimental colonic tumours with 5-aminolevulinic-acid-induced endogenous porphyrins

    Article • Journal of Cancer Research and Clinical Oncology, November 1994, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  223. Studies on porphyrin photoproducts in solution, cells, and tumor tissue

    Article • July 1994, SPIE

    Prof. Dr. Karsten Koenig

  224. Photodynamic therapy in psoriasis: suppression of cytokine production in vitro and recording of fluorescence modification during treatment in vivo

    Article • Archives of Dermatological Research, July 1994, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  225. Immunoelectron microscopy of skin basement membrane zone antigens: a pre-embedding method using 1-nm immunogold with silver enhancement.

    Article • Acta Dermato Venereologica, May 1994, Acta Dermato-Venereologica

    Prof. Dr. Karsten Koenig

  226. Laser-induced autofluorescence for medical diagnosis

    Article • Journal of Fluorescence, March 1994, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  227. Time-resolved in-vivo fluorescence of photosensitizing porphyrins

    Article • Journal of Photochemistry and Photobiology B Biology, December 1993, Elsevier

    Prof. Dr. Karsten Koenig

  228. In vivo photoproduct formation during PDT with ALA-induced endogenous porphyrins

    Article • Journal of Photochemistry and Photobiology B Biology, May 1993, Elsevier

    Prof. Dr. Karsten Koenig

  229. Photodynamic activity of liposome‐delivered Cd‐texaphyrin using tumor‐bearing nude mice

    Article • Lasers in Surgery and Medicine, January 1993, Wiley

    Prof. Dr. Karsten Koenig

  230. Fluorescence detection and photodynamic activity of endogenous protoporphyrin in human skin

    Article • Optical Engineering, January 1992, SPIE

    Prof. Dr. Karsten Koenig

  231. Einfacher Streumeßplatz zur Testung der photodynamischen Wirksamkeit von Farbstoffen. Setup for the Determination of the Photodynamic Activity of Dyes on the Basis of Scattering Measurements

    Article • Biomedical Engineering / Biomedizinische Technik, January 1991, De Gruyter

    Prof. Dr. Karsten Koenig

  232. Variation in the fluorescence decay properties of haematoporphyrin derivative during its conversion to photoproducts

    Article • Journal of Photochemistry and Photobiology B Biology, December 1990, Elsevier

    Prof. Dr. Karsten Koenig

  233. Photochemotherapy of animal tumors with the photosensitizer Methylene Blue using a krypton laser

    Article • Journal of Cancer Research and Clinical Oncology, May 1987, Springer Science + Business Media

    Prof. Dr. Karsten Koenig

  234. Tutorial

    Article • De Gruyter

    Prof. Dr. Karsten Koenig