Dr. Theo A. Roelofs Profile

Dr. Theo A. Roelofs

Research Associate at Technische Univ Berlin

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Publications (9)

Proceedings Article | 2 May 2008 Paper

Improved tumour response by laser light treatment

Georgi Graschew, Janice Smith, Stefan Rakowsky, Theo Roelofs, Peter Schlag, Ulrike Stein

Proceedings Volume 6991, 69911A (2008) https://doi.org/10.1117/12.781290

KEYWORDS: Cancer, Resistance, Molecular lasers, Medicine, Oncology, Laser therapeutics, Breast cancer, Surgery, Radiotherapy, Photodynamic therapy

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Proceedings Article | 6 December 2005 Paper

Telemedical applications and grid technology

Georgi Graschew, Theo Roelofs, Stefan Rakowsky, Peter Schlag, Silvan Kaiser, Sahin Albayrak

Proceedings Volume 6022, 60220F (2005) https://doi.org/10.1117/12.636836

KEYWORDS: Medicine, Sun, Telemedicine, Satellites, Telecommunications, Video, Electron beam melting, Computing systems, Medical imaging, Surgery

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Proceedings Article | 23 December 2004 Paper

Development of a multiphoton laser-induced fluorescence diagnosis system for microbiological and tissue applications

Georgi Graschew, Matthias Bastian, Stefan Rakowsky, Theo Roelofs, Evangelos Balanos, Peter Schlag

Proceedings Volume 5620, (2004) https://doi.org/10.1117/12.579510

KEYWORDS: Laser tissue interaction, Luminescence, Picosecond phenomena, Laser induced fluorescence, Tissue optics, Tissues, Photodynamic therapy, Laser systems engineering, Biopsy, Chromophores

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Proceedings Article | 8 September 2004 Paper

Development of an applicator for multiphoton PDT

Georgi Graschew, Matthias Bastian, Stefan Rakowsky, Theo Roelofs, Evangelos Balanos, Peter Schlag, Gunter Steinmeyer, Thomas Elsaesser

Proceedings Volume 5463, (2004) https://doi.org/10.1117/12.546527

KEYWORDS: Photodynamic therapy, Dispersion, Pulsed laser operation, Photonic crystal fibers, Picosecond phenomena, Sapphire lasers, Laser systems engineering, Femtosecond phenomena, Beam delivery, Wave propagation

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Proceedings Article | 26 August 2002 Paper

Broadband networks for interactive telemedical applications

Georgi Graschew, Theo Roelofs, Stefan Rakowsky, Peter Schlag

Proceedings Volume 4912, (2002) https://doi.org/10.1117/12.480625

KEYWORDS: Satellites, Telecommunications, Telemedicine, Satellite communications, Broadband telecommunications, Video, Networks, Medical research, Medicine, Software development

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Proceedings Article | 17 October 2001 Paper

GALENOS as interactive telemedical network via satellite

Georgi Graschew, Theo Roelofs, Stefan Rakowsky, Peter Schlag

Proceedings Volume 4584, (2001) https://doi.org/10.1117/12.445167

KEYWORDS: Satellites, Networks, Video, Telecommunications, Software development, Cameras, Video compression, Surgery, Medicine, Human-machine interfaces

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Proceedings Article | 24 April 2001 Paper

Multiphoton versus single-photon excitation of photosensitizers for laser-induced fluorescence diagnosis and photodynamic therapy of cancer cells

Theo Roelofs, Georgi Graschew, Marc Schneider, Stefan Rakowsky, Hanns-joerg Sinn, Peter Schlag

Proceedings Volume 4262, (2001) https://doi.org/10.1117/12.424562

KEYWORDS: Picosecond phenomena, Luminescence, Absorption, Photodynamic therapy, Cancer, Photons, Laser induced fluorescence, Laser therapeutics, Laser tissue interaction, Fluorescence spectroscopy

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Proceedings Article | 9 April 2001 Paper

Early responses of human cancer cells upon photodynamic treatment monitored by laser phase microscopy

Theo Roelofs, Georgi Graschew, Elena Perevedentseva, Stefan Rakowsky, Cathrin Dressler, Juergen Beuthan, Peter Schlag

Proceedings Volume 4248, (2001) https://doi.org/10.1117/12.424449

KEYWORDS: Phase shifts, Microscopy, Laser therapeutics, Laser irradiation, Image acquisition, Data acquisition, Confocal microscopy, Cancer, Oncology, Refractive index

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Proceedings Article | 29 March 2000 Paper

Multiphoton excitation and photodynamic activity of macromolecular derivatized mTHPC

Marc Schneider, Georgi Graschew, Theo Roelofs, Evangelos Balanos, Stefan Rakowsky, Hanns-joerg Sinn, Peter Schlag

Proceedings Volume 3909, (2000) https://doi.org/10.1117/12.379882

KEYWORDS: Absorption, Photons, Oxygen, Energy transfer, Femtosecond phenomena, Photodynamic therapy, Microscopes, Luminescence, Laser irradiation, Laser therapeutics

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Showing 5 of 9 publications

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