Laser Applications for Estimation of Microbial Activity and Investigation of NIR Skin Autofluorescence

Alexey Lihachev (Login required)
University of Latvia, Institute of Atomic Physics and Spectroscopy, Biophotonics Laboratory, Riga, Latvia

Dmitrijs Bļizņuks
Riga Technical University, Faculty of Computer Science and Information Technology, Riga, Latvia

Jānis Liepiņš
University of Latvia, Institute of Microbiology and Biotechnology, Riga, Latvia

Ilze Lihacova
University of Latvia, Institute of Atomic Physics and Spectroscopy, Biophotonics Laboratory, Riga, Latvia

Paper #3454 received 23 Aug 2021; revised manuscript received 20 Sep 2021; accepted for publication 23 Sep 2021; published online 4 Nov 2021.

DOI: 10.18287/JBPE21.07.040305


The presented paper demonstrates the ongoing results of the joint research of University of Latvia and Riga Technical University aimed at the development of new laser based optical methods and technologies for fast evaluation of microbial activity in solid media. The second part of the paper represents the results of joint research conducted together with Katya Borisova during our visit to the Institute of Electronics, Bulgarian Academy of Sciences (Bulgaria, Sofia).


laser speckles; microorganisms; near infrared skin autofluorescence; melanoma cells

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