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We use the photoacoustic imaging technology platform to solve clinical problems while developing technology to make this possible. Skin Cancer Giant Cell Arthritis Reconstructive Surgery Gaze Tracking Strabismus Surgery Oxygen Saturation…

https://www.photoacoustics.lu.se/clinical-applications- 2026-01-19

Principal investigator: Professor Malin Malmsjö This project focus on evaluating and optimizing PA imaging as a method to detect and outline skin tumors. We are investigating the PA spectral signature of different tumor cells to enable…

https://www.photoacoustics.lu.se/skin-cancer- 2021-02-08

Measuring the oxygen saturation is of great value in a wide range of medical fields. For instance, tumor progression and malignancy is strongly dependent on tumor hypoxia. Monitoring of cerebral oxygen saturation can be used in the…

https://www.photoacoustics.lu.se/clinical-applications/oxygen-saturation- 2025-02-04

This project focus on evaluating and optimizing photoacoustic (PA) imaging as a method to non invasively diagnose giant cell arthritis. Giant cell arteritis (GCA) also known as temporal arteritis is a sight- and life-threatening,…

https://www.photoacoustics.lu.se/clinical-applications/giant-cell-arteritis- 2025-02-04

LSCI is a non-invasive technique to measure blood perfusion. The method that visualizes tissue blood perfusion in real time. The system uses an invisible 785 nm laser beam that is spread over the surface of the skin by a diffuser, creating…

https://www.photoacoustics.lu.se/welcome-photoacoustic-center/laser-speckle-contrast-imaging-lsci- 2022-04-25

Diffuse reflectance spectroscopy (DRS) utilizes white light with a known spectrum, which is guided to the surface of the skin via an optical fiber. As light penetrates into the tissue, photons either scatter or become absorbed where only a…

https://www.photoacoustics.lu.se/platform/house-diffuse-reflectance-spectroscopy- 2021-02-23

Hyperspectral imaging has traditionally been employed for environmental monitoring where large swaths of land have been surveyed miles above from air planes. With the capability of resolving minute spectral changes in space, different…

https://www.photoacoustics.lu.se/welcome-photoacoustic-center/hyperspectral-imaging- 2022-04-25

When employing optical characterization of human tissue it is important to obtain proper characteristics of all its constituents that coexist in a complex fashion. This requires that each constituent is isolated and measured independently…

https://www.photoacoustics.lu.se/welcome-photoacoustic-center/multispectral-microscopy- 2022-04-29

This article is over 5 years old, and the information may therefore be outdated. Today Ulf Dahlstrand nailed his doctoral thesis. Ulf will defend his thesis on March 20th. 

https://www.photoacoustics.lu.se/article/nailing-doctoral-thesis- 2021-02-23

Implement in-house state-of-the-art motion-tracking methods into our novel PAI application and evaluate its performance. During a scan, motion artifacts arise as a result of movements of the operator or the patient, and from breathing and…

https://www.photoacoustics.lu.se/technical-development/motion-tracking- 2022-05-18

A key feature of photoacoustic imaging is its ability to illuminate tissue at multiple wavelengths, and thus record images with a spectral dimension. Spectral imaging allows sensing of intrinsic chromophores that can reveal physiological,…

https://www.photoacoustics.lu.se/technical-development/spectral-unmixing- 2025-02-05

This project focus on evaluating and optimizing photoacoustic (PA) imaging as a method to detect and outline skin tumors. We are investigating the PA spectral signature of different tumor cells to enable automatic measure­ment of the tumor…

https://www.photoacoustics.lu.se/clinical-applications/skin-cancer- 2025-02-04

Heart failure is a leading cause of death and hospitalization in Sweden today, with a prevalence of between 200 000 to 300 000 subjects. Heart failure is characterized by increased intracardiac pressures and declining output of blood,…

https://www.photoacoustics.lu.se/clinical-applications/heart-failure- 2025-02-04

Evaluating tissue heating from near-infrared lasers.   With the rise of biophotonics in medical applications such as photodynamic therapy (PDT), laser induced fluorescence (LIF) and gas in scattering media absorption spectroscopy (GASMAS)…

https://www.photoacoustics.lu.se/technical-development/tissue-heating- 2025-02-05

This article is over 5 years old, and the information may therefore be outdated. On Friday March 20th, Ulf Dahlstrand successfully defended his doctoral thesis with the title "Novel Diagnostic Tools for Skin and Periorbital Cancer:…

https://www.photoacoustics.lu.se/article/ulf-dahlstrand-have-successfully-defended-his-phd- 2021-02-08

This article is over 5 years old, and the information may therefore be outdated. On Friday May 22nd, Linda Thorisdottir successfully defended his doctoral thesis with the title "Visual Screening of Amblyopia, new Techniques and Surgical…

https://www.photoacoustics.lu.se/article/linda-thorisdottir-has-successfully-defended-her-phd- 2021-02-23

This article is over 5 years old, and the information may therefore be outdated. On June 11th and 12th medial students Benjamin Sjögren and Yousef Hamid successfully presented their master thesis.Benjamin's thesis investigated non-invasive…

https://www.photoacoustics.lu.se/article/congratulations-benjamin-sjogren-and-yousef-hamid-who-successfully-presented-their-master-thesis- 2021-02-08

This article is over 5 years old, and the information may therefore be outdated. We welcome two new master thesis student this fall! Medical student Douglas Larsson Albèr will investigate spectral unmixing in photoacoustics for boarders…

https://www.photoacoustics.lu.se/article/we-welcome-new-master-students- 2021-02-23

This article is over 5 years old, and the information may therefore be outdated. Giant Cell ArthritisA new study is pblished where we present a detailed evaluation of the safety regarding visual function and patient tolerability in healthy…

https://www.photoacoustics.lu.se/article/new-publications- 2021-02-08

This article is over 5 years old, and the information may therefore be outdated. On September 11th 2020 Professor Malin Malmsjö presented at the 2020 symposium on Ultra High Frequency Ultrasound in Translation Research in Paris, France.The…

https://www.photoacoustics.lu.se/article/talk-uhf-symposium- 2021-02-08