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Proceedings Article

New developments in multimodal clinical multiphoton tomography

[+] Author Affiliations
Karsten König

JenLab GmgH (Germany) and Univ. of Saarland (Germany) and Beckman Laser Institute (USA)

Proc. SPIE 7903, Multiphoton Microscopy in the Biomedical Sciences XI, 790305 (February 28, 2011); doi:10.1117/12.874965
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From Conference Volume 7903

  • Multiphoton Microscopy in the Biomedical Sciences XI
  • Ammasi Periasamy; Karsten König; Peter T. C. So
  • San Francisco, California, USA | January 22, 2011

abstract

80 years ago, the PhD student Maria Goeppert predicted in her thesis in Goettingen, Germany, two-photon effects. It took 30 years to prove her theory, and another three decades to realize the first two-photon microscope. With the beginning of this millennium, first clinical multiphoton tomographs started operation in research institutions, hospitals, and in the cosmetic industry. The multiphoton tomograph MPTflexTM with its miniaturized flexible scan head became the Prism-Award 2010 winner in the category Life Sciences. Multiphoton tomographs with its superior submicron spatial resolution can be upgraded to 5D imaging tools by adding spectral time-correlated single photon counting units. Furthermore, multimodal hybrid tomographs provide chemical fingerprinting and fast wide-field imaging. The world's first clinical CARS studies have been performed with a hybrid multimodal multiphoton tomograph in spring 2010. In particular, nonfluorescent lipids and water as well as mitochondrial fluorescent NAD(P)H, fluorescent elastin, keratin, and melanin as well as SHG-active collagen have been imaged in patients with dermatological disorders. Further multimodal approaches include the combination of multiphoton tomographs with low-resolution imaging tools such as ultrasound, optoacoustic, OCT, and dermoscopy systems. Multiphoton tomographs are currently employed in Australia, Japan, the US, and in several European countries for early diagnosis of skin cancer (malignant melanoma), optimization of treatment strategies (wound healing, dermatitis), and cosmetic research including long-term biosafety tests of ZnO sunscreen nanoparticles and the measurement of the stimulated biosynthesis of collagen by anti-ageing products.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Karsten König
"New developments in multimodal clinical multiphoton tomography", Proc. SPIE 7903, Multiphoton Microscopy in the Biomedical Sciences XI, 790305 (February 28, 2011); doi:10.1117/12.874965; http://dx.doi.org/10.1117/12.874965


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