Janis Spigulis

Summary

Affiliation: University of Latvia
Country: Latvia

Publications

  1. ncbi request reprint Optical noninvasive monitoring of skin blood pulsations
    Janis Spigulis
    Bio Optics Group, Institute of Atomic Physics and Spectroscopy, University of Latvia, Raina Boulevard, 19, Riga, LV 1586, Latvia
    Appl Opt 44:1850-7. 2005
  2. ncbi request reprint Simultaneous recording of skin blood pulsations at different vascular depths by multiwavelength photoplethysmography
    Janis Spigulis
    Bio optics and Fiber Optics Laboratory, Institute of Atomic Physics and Spectroscopy, University of Latvia, Latvia
    Appl Opt 46:1754-9. 2007
  3. ncbi request reprint Imaging of laser-excited tissue autofluorescence bleaching rates
    Janis Spigulis
    Bio optics and Fiber Optics Laboratory, Institute of Atomic Physics and Spectroscopy, University of Latvia, Raina Boulevard 19, Riga LV 1586, Latvia
    Appl Opt 48:D163-8. 2009
  4. doi request reprint Noncontact monitoring of vascular lesion phototherapy efficiency by RGB multispectral imaging
    Dainis Jakovels
    University of Latvia, Institute of Atomic Physics and Spectroscopy, Biophotonics Laboratory, Raina Boulevard 19, LV 1586, Riga, Latvia
    J Biomed Opt 18:126019. 2013
  5. doi request reprint Study of smartphone suitability for mapping of skin chromophores
    Ilona Kuzmina
    University of Latvia, Institute of Atomic Physics and Spectroscopy, Biophotonics Laboratory, Raina Boulevard 19, Riga LV 1586, Latvia
    J Biomed Opt 20:090503. 2015
  6. ncbi request reprint Bilateral photoplethysmography studies of the leg arterial stenosis
    Renars Erts
    Institute of Atomic Physics and Spectroscopy, University of Latvia, Riga
    Physiol Meas 26:865-74. 2005
  7. doi request reprint Autofluorescence imaging of basal cell carcinoma by smartphone RGB camera
    Alexey Lihachev
    University of Latvia, Institute of Atomic Physics and Spectroscopy, Biophotonics Laboratory, Raina Boulevard 19, Riga LV 1586, Latvia
    J Biomed Opt 20:120502. 2015
  8. doi request reprint 2-D mapping of skin chromophores in the spectral range 500 - 700 nm
    Dainis Jakovels
    Bio Optics and Fibre Optics Laboratory, Institute of Atomic Physics and Spectroscopy, University of Latvia, Raina Blvd 19, LV 1586, Riga, Latvia
    J Biophotonics 3:125-9. 2010
  9. ncbi request reprint Towards noncontact skin melanoma selection by multispectral imaging analysis
    Ilona Kuzmina
    University of Latvia, Bio optics and Fiber Optics Laboratory, Institute of Atomic Physics and Spectroscopy, Raina Boulevard 19, Riga, LV 1586, LatviaBeauty Clinic 4th Dimension, Jeruzalemes Str 1, Riga, LV 1010, LatviaLatvian Oncology Center, Hipokrata Str 4, Riga, LV 1006, LatviaThe Clinic of Laser Plastics, Baznicas Str 31, Riga, LV 1010, Latvia
    J Biomed Opt 16:060502. 2011

Collaborators

  • Dainis Jakovels
  • Ilona Kuzmina
  • Alexey Lihachev
  • Lauma Valeine
  • Anna Berzina
  • Renars Erts
  • Ilze Lihacova
  • Inesa Ferulova
  • Marta Lange
  • Matiss Lacis
  • Alexander Derjabo
  • Janis Kapostinsh
  • Ilze Diebele
  • Maris Ozols
  • Indulis Kukulis

Detail Information

Publications9

  1. ncbi request reprint Optical noninvasive monitoring of skin blood pulsations
    Janis Spigulis
    Bio Optics Group, Institute of Atomic Physics and Spectroscopy, University of Latvia, Raina Boulevard, 19, Riga, LV 1586, Latvia
    Appl Opt 44:1850-7. 2005
    ....
  2. ncbi request reprint Simultaneous recording of skin blood pulsations at different vascular depths by multiwavelength photoplethysmography
    Janis Spigulis
    Bio optics and Fiber Optics Laboratory, Institute of Atomic Physics and Spectroscopy, University of Latvia, Latvia
    Appl Opt 46:1754-9. 2007
    ....
  3. ncbi request reprint Imaging of laser-excited tissue autofluorescence bleaching rates
    Janis Spigulis
    Bio optics and Fiber Optics Laboratory, Institute of Atomic Physics and Spectroscopy, University of Latvia, Raina Boulevard 19, Riga LV 1586, Latvia
    Appl Opt 48:D163-8. 2009
    ..Details of the equipment and image processing are described as well as some measurement results that confirm the feasibility of the proposed technology...
  4. doi request reprint Noncontact monitoring of vascular lesion phototherapy efficiency by RGB multispectral imaging
    Dainis Jakovels
    University of Latvia, Institute of Atomic Physics and Spectroscopy, Biophotonics Laboratory, Raina Boulevard 19, LV 1586, Riga, Latvia
    J Biomed Opt 18:126019. 2013
    ..Skin recovery was characterized as a decrease of the CEI value relative to the value before the treatment. This approach was clinically validated by examining 31 vascular lesions before and after phototherapy...
  5. doi request reprint Study of smartphone suitability for mapping of skin chromophores
    Ilona Kuzmina
    University of Latvia, Institute of Atomic Physics and Spectroscopy, Biophotonics Laboratory, Raina Boulevard 19, Riga LV 1586, Latvia
    J Biomed Opt 20:090503. 2015
    ..Smartphones that allow switching off the automatic camera settings provided useful data, while those with “embedded” automatic settings appear to be useless for distant skin chromophore mapping...
  6. ncbi request reprint Bilateral photoplethysmography studies of the leg arterial stenosis
    Renars Erts
    Institute of Atomic Physics and Spectroscopy, University of Latvia, Riga
    Physiol Meas 26:865-74. 2005
    ..The obtained data may find further applications in alternative methodologies for detection and/or assessment of arterial occlusions in human extremities...
  7. doi request reprint Autofluorescence imaging of basal cell carcinoma by smartphone RGB camera
    Alexey Lihachev
    University of Latvia, Institute of Atomic Physics and Spectroscopy, Biophotonics Laboratory, Raina Boulevard 19, Riga LV 1586, Latvia
    J Biomed Opt 20:120502. 2015
    ..The proposed methodology was tested clinically with 13 basal cell carcinoma and 1 atypical nevus. Several clinical cases and potential future applications of the smartphone-based technique are discussed...
  8. doi request reprint 2-D mapping of skin chromophores in the spectral range 500 - 700 nm
    Dainis Jakovels
    Bio Optics and Fibre Optics Laboratory, Institute of Atomic Physics and Spectroscopy, University of Latvia, Raina Blvd 19, LV 1586, Riga, Latvia
    J Biophotonics 3:125-9. 2010
    ..Spectral range 500-700 nm provided better sensitivity to oxy-haemoglobin changes and higher response stability to melanin than two reduced ranges 500-600 nm and 530-620 nm...
  9. ncbi request reprint Towards noncontact skin melanoma selection by multispectral imaging analysis
    Ilona Kuzmina
    University of Latvia, Bio optics and Fiber Optics Laboratory, Institute of Atomic Physics and Spectroscopy, Raina Boulevard 19, Riga, LV 1586, LatviaBeauty Clinic 4th Dimension, Jeruzalemes Str 1, Riga, LV 1010, LatviaLatvian Oncology Center, Hipokrata Str 4, Riga, LV 1006, LatviaThe Clinic of Laser Plastics, Baznicas Str 31, Riga, LV 1010, Latvia
    J Biomed Opt 16:060502. 2011
    ..The obtained results indicate clinical potential of this technology for noncontact selection of melanoma from other pigmented and vascular skin lesions...