Dr. Ramtin Rahmanzadeh Profile

Dr. Ramtin Rahmanzadeh

Senior Scientist at University of Lübeck

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 13 March 2024 Presentation + Paper

Assessing food degradation and microbial growth by sensor read-out with fluorescence spectroscopy

Alexander Altmann, Christian Schell, Ramtin Rahmanzadeh

Proceedings Volume 12861, 128610A (2024) https://doi.org/10.1117/12.3000908

KEYWORDS: Sensors, Fluorescence, Fluorescence spectroscopy, Fluorescence intensity, Fiber optics, Statistical analysis, Polyethylene, Bacteria, Silica, Safety, Food inspection

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Proceedings Article | 12 March 2024 Presentation + Paper

Detection of spoiled food along the supply chain with novel sensors for packed food

Alexander Altmann, Mohammad Khodaygani, Martin Leucker, Christian Schell, Ramtin Rahmanzadeh

Proceedings Volume 12879, 1287906 (2024) https://doi.org/10.1117/12.3000912

KEYWORDS: Sensors, Spectrometers, Fluorescence, Atmospheric particles, Packaging, Fluorescence intensity, Particles, Cameras, Molecules, Bacteria, Food inspection

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Proceedings Article | 11 August 2023 Paper

Fluorescence based detection of gaseous food spoilage indicators

Alexander Altmann, Mohammad Khodaygani, Martin Leucker, Christian Schell, Ramtin Rahmanzadeh

Proceedings Volume 12627, 126270I (2023) https://doi.org/10.1117/12.2671751

KEYWORDS: Fluorescence spectroscopy, Fluorescence, Sensors, Data modeling, Silica, Polyethylene, Packaging, Nondestructive evaluation, Machine learning, Chemical fiber sensors

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Proceedings Article | 5 March 2021 Presentation

Comparison between dynamic microscopic OCT and autofluorescence multiphoton microscopy for label-free analysis of murine trachea

Tabea Kohlfaerber, Michael Münter, Mario Pieper, Peter König, Ramtin Rahmanzadeh, Gereon Hüttmann, Hinnerk Schulz-Hildebrandt

Proceedings Volume 11630, 116300S (2021) https://doi.org/10.1117/12.2583811

KEYWORDS: Optical coherence tomography, Multiphoton microscopy, Visualization, Image resolution, Tomography, Tissues, Speckle, Objectives, Multiphoton fluorescence microscopy, Microscopy

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Proceedings Article | 23 August 2019 Presentation + Paper

Light-induced permeabilization of liposomes

Paula Enzian, Astrid Link, Christian Schell, Carina Malich, Ramtin Rahmanzadeh

Proceedings Volume 11070, 110703E (2019) https://doi.org/10.1117/12.2526071

KEYWORDS: Luminescence, Picosecond phenomena, Quenching (fluorescence), Oxygen, Molecules, Therapeutic agents, In vivo imaging, Absorption, Magnesium, Laser systems engineering

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SPIE Journal Paper | 18 July 2016 Open Access

Indocyanine green as effective antibody conjugate for intracellular molecular targeted photodynamic therapy

Sijia Wang, Gereon Hüttmann, Florian Rudnitzki, Heyke Diddens-Tschoeke, Zhenxi Zhang, Ramtin Rahmanzadeh

JBO, Vol. 21, Issue 07, 078001, (July 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.7.078001

KEYWORDS: Absorption, Photodynamic therapy, Indocyanine green, Proteins, Luminescence, Molecules, Cancer, Cell death, Tissue optics, Near infrared

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Proceedings Article | 26 April 2016 Presentation

Molecular targeted PDT with selective delivery of ICG Photo-Immunoconjugates (Conference Presentation)

Sijia Wang, Gereon Hüttmann, Tayyaba Hasan, Ramtin Rahmanzadeh

Proceedings Volume 9694, 96940O (2016) https://doi.org/10.1117/12.2217572

KEYWORDS: Proteins, Photodynamic therapy, Cancer, Oncology, Molecules, Tumors, Indocyanine green, Photomedicine, Light emitting diodes, Tumor growth modeling

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SPIE Journal Paper | 7 May 2012 Open Access

Bleaching of plasmon-resonance absorption of gold nanorods decreases efficiency of cell destruction

Florian Rudnitzki, Ramtin Rahmanzadeh, Katrin Brieger, Gereon Hüttmann, Marco Bever, Elmar Endl, Jens Groll

JBO, Vol. 17, Issue 5, 058003, (May 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.5.058003

KEYWORDS: Absorption, Particles, Gold, Nanoparticles, Cavitation, Spherical lenses, Absorbance, Transmission electron microscopy, Atmospheric particles, Nanorods

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Proceedings Article | 17 February 2010 Open Access

Targeted light-inactivation of the Ki-67 protein using theranostic liposomes leads to death of proliferating cells

Ramtin Rahmanzadeh, Prakash Rai, Johannes Gerdes, Tayyaba Hasan

Proceedings Volume 7576, 757602 (2010) https://doi.org/10.1117/12.843850

KEYWORDS: Proteins, Cancer, Photodynamic therapy, Ovarian cancer, Lung, Cell death, Macromolecules, Oncology, Confocal microscopy, Nanotechnology

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SPIE Journal Paper | 1 September 2009 Open Access

Influence of laser parameters on nanoparticle-induced membrane permeabilization

Cuiping Yao, Xiaochao Qu, Zhenxi Zhang, Gereon Hüttmann, Ramtin Rahmanzadeh

JBO, Vol. 14, Issue 05, 054034, (September 2009) https://doi.org/10.1117/12.10.1117/1.3253320

KEYWORDS: Particles, Gold, Pulsed laser operation, Picosecond phenomena, Nanoparticles, Luminescence, Biomedical optics, Laser irradiation, Cell death, Proteins

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SPIE Journal Paper | 1 May 2008 Open Access

Imaging of cancer cells by multiphoton microscopy using gold nanoparticles and fluorescent dyes

Xiaochao Qu, Jing Wang, Zhenxi Zhang, Norbert Koop, Ramtin Rahmanzadeh, Gereon Huettmann

JBO, Vol. 13, Issue 03, 031217, (May 2008) https://doi.org/10.1117/12.10.1117/1.2942373

KEYWORDS: Gold, Luminescence, Fluorescence lifetime imaging, Multiphoton microscopy, Particles, Nanoparticles, Biomedical optics, Cancer, Optical properties, Imaging systems

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