Optical density based quantification of total haemoglobin concentrations with spectroscopic optical coherence tomography

Autor: Carlos Cuartas-Vélez, Colin Veenstra, Saskia Kruitwagen, Wilma Petersen, Nienke Bosschaart

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)

Abstract Spectroscopic optical coherence tomography (sOCT) has emerged as a new possibility for non-invasive quantification of total haemoglobin concentrations [tHb]. Recently, we demonstrated that [tHb] measured in ex-vivo human whole-blood with a c

Externí odkaz: https://doaj.org/article/dedb02e3206a48e68ab6927c2b5c18c5

Synthesis and Bioconjugation of Gold Nanoparticles as Potential Molecular Probes for Light-Based Imaging Techniques

Autor: Raja Gopal Rayavarapu, Wilma Petersen, Constantin Ungureanu, Janine N. Post, Ton G. van Leeuwen, Srirang Manohar

Publikováno v: International Journal of Biomedical Imaging, Vol 2007 (2007)

We have synthesized and characterized gold nanoparticles (spheres and rods) with optical extinction bands within the “optical imaging window.” The intense plasmon resonant driven absorption and scattering peaks of these nanoparticles make them

Externí odkaz: https://doaj.org/article/557438c2ebd44f8197f2493d55eaca50

Dependency of the optical scattering properties of human milk on casein content and common sample preparation methods

Autor: Dayna E. Every, Nienke Bosschaart, Johannes B. van Goudoever, Colin Veenstra, Wilma Petersen, Wiendelt Steenbergen

Publikováno v: Journal of Biomedical Optics
Journal of biomedical optics, 25(4):045001, 1-12. SPIE
Journal of biomedical optics, 25(4):045001. SPIE
Journal of Biomedical Optics, 25(4):045001. SPIE
Veenstra, C, Every, D E, Petersen, W, Van Goudoever, J B, Steenbergen, W & Bosschaart, N 2020, ' Dependency of the optical scattering properties of human milk on casein content and common sample preparation methods ', Journal of Biomedical Optics, vol. 25, no. 4, 045001 . https://doi.org/10.1117/1.JBO.25.4.045001

Significance. Quantifying human milk composition is important for daily nutritional management in neonatal intensive cares worldwide. Photonic solutions based on visible light can potentially aid in this analysis, as energy content of human milk depe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fc986a574871e732acc8ef604bff620
http://europepmc.org/articles/PMC7148419

Optical properties of human milk

Autor: Nienke Bosschaart, Wiendelt Steenbergen, Wilma Petersen, Colin Veenstra, A. Lenferink

Publikováno v: Biomedical optics express, 10(8):361809, 4059-4074. The Optical Society

With human milk being the most important source of infant nutrition, the protection and support of breastfeeding are essential from a global health perspective. Nevertheless, relatively few objective methods are available to investigate human milk co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e7c608c4344e6e981599ce8f194dc73
https://research.utwente.nl/en/publications/a03870a9-30d1-401c-816b-7190b5b64e86

Quantitative Photoacoustic Integrating Sphere (QPAIS) Platform for absorption coefficient and Grüneisen parameter measurements: Demonstration with human blood

Autor: Wilma Petersen, Wiendelt Steenbergen, Yolanda Villanueva-Palero, Erwin Hondebrink

Publikováno v: Photoacoustics
Photoacoustics, Vol 6, Iss C, Pp 9-15 (2017)
Photoacoustics, 6, 9-15. Elsevier

Quantitative photoacoustic imaging in biomedicine relies on accurate measurements of relevant material properties of target absorbers. Here, we present a method for simultaneous measurements of the absorption coefficient and Grüneisen parameter of s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3288052c9ec4db5e705e8f691edb20d