Research Topics
| Johannes SwartlingSummaryAffiliation: University of Cambridge Country: UK Publications
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Detail Information
Publications
Dynamic time-resolved diffuse spectroscopy based on supercontinuum light pulsesJohannes Swartling
ULTRAS INFM, IFN CNR, Dipartimento di Fisica, Politecnico di Milano, P L da Vinci 32, I 20133 Milano, Italy
Appl Opt 44:4684-92. 2005..We also present the first in vivo real-time dynamic spectral measurements showing tissue oxygenation changes in the arm of a human subject...- Fluorescence spectra provide information on the depth of fluorescent lesions in tissueJohannes Swartling
Department of Physics, Lund Institute of Technology, P O Box 118, SE 22100 Lund, Sweden
Appl Opt 44:1934-41. 2005..The results indicate that depth estimation of a lesion should be possible with 2-3-mm accuracy, with no assumptions made about the optical properties, for a wide range of tissues... - Feasibility of white-light time-resolved optical mammographyAndrea Bassi
ULTRAS CNR INFM and CNR IFN, Politecnico di Milano, Dipartimento di Fisica, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
J Biomed Opt 11:054035. 2006..Furthermore, measurements on a tissue-like sample demonstrate detection and characterization of inclusions... - Performance assessment of photon migration instruments: the MEDPHOT protocolAntonio Pifferi
Laboratorio Nazionale per l Ottica Ultra rapida e Ultra intensa, Dipartimento di Fisica e Istituto di Fotonicae Nanotecnologie, Consiglio Nazionale delle Ricerche, Politecnico di Milano, I 20133 Milan, Italy
Appl Opt 44:2104-14. 2005..This protocol was applied to a total of 8 instruments with a set of 32 phantoms, covering a wide range of optical properties... - Spectroscopic time-resolved diffuse reflectance and transmittance measurements of the female breast at different interfiber distancesAntonio Pifferi
Politecnico di Milano, ULTRAS INFM, INF CNR, Dipartimento di Fisica, P L da Vinci 32, I 20133, Milano, Italy
J Biomed Opt 9:1143-51. 2004..The intrasubject variations are larger for the scattering data than the absorption data; this is consistent with different spatial localization of the measurements of these parameters, which is explained by the photon migration theory... - In vivo photosensitizer tomography inside the human prostateJohan Axelsson
Department of Physics, Lund University, Lund, Sweden
Opt Lett 34:232-4. 2009..We also show reconstructions from a patient showing a heterogeneous distribution of the photosensitizer mTHPC in the human prostate... - Characterization of normal breast tissue heterogeneity using time-resolved near-infrared spectroscopyTomas Svensson
Department of Physics, Lund Institute of Technology, Box 118, SE 221 00 Lund, Sweden
Phys Med Biol 50:2559-71. 2005..Extracted physiological properties confirm differences between pre- and post-menopausal breast tissue. Results do not indicate systematic differences between left and right breasts... - Comparison of spatially and temporally resolved diffuse-reflectance measurement systems for determination of biomedical optical propertiesJohannes Swartling
Department of Physics, Lund Institute of Technology, P O Box 118, SE 22100 Lund, Sweden
Appl Opt 42:4612-20. 2003..05 cm(-1) for the absorption coefficient in the interval 0.05-0.30 cm(-1)... - Realtime light dosimetry software tools for interstitial photodynamic therapy of the human prostateAnn Johansson
Lund University, Department of Physics, P O Box 118, SE 221 00 Lund, Sweden
Med Phys 34:4309-21. 2007..We conclude that the realtime dosimetry module makes it possible to deliver a certain light dose to the target tissue despite spatial and temporal variations of the target tissue optical properties at the therapeutic wavelength... - Accelerated Monte Carlo models to simulate fluorescence spectra from layered tissuesJohannes Swartling
Lund University Medical Laser Centre, Department of Physics, Lund Institute of Technology, PO Box 118, SE 221 00 Lund, Sweden
J Opt Soc Am A Opt Image Sci Vis 20:714-27. 2003..The improved efficiency is most prominent for the reverse-emission accelerated model, for which the simulation time can be reduced by up to two orders of magnitude... - Time-resolved spectrophotometer for turbid media based on supercontinuum generation in a photonic crystal fiberAndrea Bassi
National Laboratory for Ultrafast and Ultraintense Optical Science, I 20133 Milan, Italy
Opt Lett 29:2405-7. 2004..The results were similar to those obtained with previous discrete wavelength systems, whereas the full spectrum (610-810 nm) acquisition time was as short as 1 s owing to the parallel acquisition... - Numerical simulations of light scattering by red blood cellsAnders Karlsson
Department of Electroscience, Lund University, Lund 221 00, Sweden
IEEE Trans Biomed Eng 52:13-8. 2005..The investigation comprehends different wavelengths and different orientations of the cell. It shows that the shape, volume, and orientation of the cell have a large influence on the forward scattering... - Light scattering by multiple red blood cellsJiangping He
Department of Electroscience, Lund University, Box 118, 221 00 Lund, Sweden
J Opt Soc Am A Opt Image Sci Vis 21:1953-61. 2004..The numerical results of the FDTD method were compared with the results from the Rytov approximation and the discrete dipole approximation (DDA). The agreement with the DDA was excellent... 
Fluorescence intensity and lifetime imaging of free and micellar-encapsulated doxorubicin in living cellsXiaowen Dai
Department of Chemical Engineering, University of Cambridge, Cambridge, United Kingdom
Nanomedicine 4:49-56. 2008..The results suggest the formation of macromolecular structures inside the living cells...