Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Moritz Friebel"'
Publikováno v:
Photonics & Lasers in Medicine. 4
Background and objective:This article describes a new sensor for monitoring oxygen saturation (sOMaterials and methods:The optical sensor presented here uses near-infrared spatially resolved reflectance spectroscopy. The primary calibration model for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::164e7479737c95ffe0d10af75cef59f9
https://doi.org/10.1515/plm-2014-0053
https://doi.org/10.1515/plm-2014-0053
Publikováno v:
Biomedizinische Technik/Biomedical Engineering. 51:347-354
The blood parameters oxygen saturation and hematocrit were determined by two different spectral sensors using reflectance spectra from 550 to 900 nm and partial transmission spectra centered at 660 nm. The spectra were analyzed by the method of parti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92e0a40da79cbb364ddcd5f5d4c71896
https://doi.org/10.1515/bmt.2006.068
https://doi.org/10.1515/bmt.2006.068
Publikováno v:
Biomedizinische Technik/Biomedical Engineering. 50:2-7
The production of red blood cell concentrates from human donors is a very expensive procedure and human resources are in short supply. Under perfect storage conditions at a temperature of 2-6 degrees C, a blood bag must be used within 35-49 days (in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::debe50203d76ce1b47824693ad960757
https://doi.org/10.1515/bmt.2005.001
https://doi.org/10.1515/bmt.2005.001
Publikováno v:
Journal of biomedical optics. 4(1)
Knowledge about the optical properties μa,μs, and g of human blood plays an important role for many diagnostic and therapeutic applications in laser medicine and medical diagnostics. They strongly depend on physiological parameters such as oxygen s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da0316058be3a8625acb1beef616587c
https://pubmed.ncbi.nlm.nih.gov/23015168
https://pubmed.ncbi.nlm.nih.gov/23015168
Publikováno v:
Dental materials : official publication of the Academy of Dental Materials. 28(4)
Objectives Esthetic restorations require that dental restorative materials have similar optical properties to teeth. To improve the color perception, the inhomogeneous morphology of the native tooth can be imitated by layering two optically different
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95ffb3a9c36ab3ef5944628b19de14e9
https://pubmed.ncbi.nlm.nih.gov/22177781
https://pubmed.ncbi.nlm.nih.gov/22177781
Autor:
Moritz Friebel, Martina C. Meinke, Sascha Rohn, Susan Lurie, Lothar W. Kroh, Alessandro Torricelli
Publikováno v:
Optical Monitoring of Fresh and Processed Agricultural Crops ISBN: 9781420054026
Optical Monitoring of Fresh and Processed Agricultural Crops
Optical Monitoring of Fresh and Processed Agricultural Crops
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b55e9bb0ed14d7cdbf9aa4c8d611ce35
https://doi.org/10.1201/9781420054033.ch1
https://doi.org/10.1201/9781420054033.ch1
Publikováno v:
Applied optics. 46(10)
The absorption coefficient, scattering coefficient, and effective scattering phase function of human red blood cells (RBCs) in saline solution were determined for eight different hematocrits (Hcts) between 0.84% and 42.1% in the wavelength range of 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a527f041ef755a467753fb1a93a06f7
https://pubmed.ncbi.nlm.nih.gov/17356617
https://pubmed.ncbi.nlm.nih.gov/17356617
Publikováno v:
Biomedizinische Technik. Biomedical engineering. 51(5-6)
The blood parameters oxygen saturation and hematocrit were determined by two different spectral sensors using reflectance spectra from 550 to 900 nm and partial transmission spectra centered at 660 nm. The spectra were analyzed by the method of parti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c0f9304399252fcc88c0998fbc22faaf
https://pubmed.ncbi.nlm.nih.gov/17155871
https://pubmed.ncbi.nlm.nih.gov/17155871
Publikováno v:
Journal of biomedical optics. 11(3)
The absorption coefficient mu(a), scattering coefficient mu(s), and anisotropy factor g of diluted and undiluted human blood (hematocrit 0.84 and 42.1%) are determined under flow conditions in the wavelength range 250 to 1100 nm, covering the absorpt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2e52766125e24dbf82be9c940ab8b88
https://pubmed.ncbi.nlm.nih.gov/16822070
https://pubmed.ncbi.nlm.nih.gov/16822070
Autor:
Moritz Friebel, Martina C. Meinke
Publikováno v:
SPIE Proceedings.
In this paper the real and imaginary part of the refractive index of hemoglobin solutions were measured in the wavelength range of 250 to 1100 nm using Fresnel reflectance and transmittance measurements.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c6e258e81df37dfe2e9ed576e110113
https://doi.org/10.1117/12.633044
https://doi.org/10.1117/12.633044