Optical methods for noninvasive determination of carotenoids in human and animal skin

ME Darvin, MC Meinke, W Sterry… - Journal of biomedical …, 2013 - spiedigitallibrary.org
Carotenoids are important substances for human skin due to their powerful antioxidant
properties in reaction of neutralization of free radicals and especially reactive oxygen …

Comparison of two methods for noninvasive determination of carotenoids in human and animal skin: Raman spectroscopy versus reflection spectroscopy

ME Darvin, C Sandhagen, W Koecher… - Journal of …, 2012 - Wiley Online Library
Based on compelling in vivo and in vitro studies on human skin, carotenoids are thought to
be of great interest as powerful antioxidants acting to prevent free‐radical‐induced …

Fully automated spatially resolved reflectance spectrometer for the determination of the absorption and scattering in turbid media

F Foschum, M Jäger, A Kienle - Review of Scientific Instruments, 2011 - pubs.aip.org
We describe a fully automated setup which is based on measurements of the spatially
resolved reflectance for the determination of the reduced scattering and absorption …

Non-contact optical spectroscopy for tumor-sensitive diffuse reflectance and fluorescence measurements on murine subcutaneous tissue models: Monte Carlo …

MZ Hasan, PS Saha, MO Korfhage… - Biomedical Optics Express, 2023 - opg.optica.org
Fiber-optic probes are commonly used in biomedical optical spectroscopy platforms for light
delivery and collection. At the same time, it was reported that the inconsistent probe-sample …

Evaluation of a Commercial Device Based on Reflection Spectroscopy as an Alternative to Resonance Raman Spectroscopy in Measuring Skin Carotenoid Levels …

JE Hwang, JY Park, MH Jung, K Eom, HS Moon… - Sensors, 2023 - mdpi.com
Resonance Raman spectroscopy (RRS) has been used as a reference method for
measuring skin carotenoid levels (SCL), which indicate vegetable and fruit intake. However …

Double-integrating-sphere system at the National Institute of Standards and Technology in support of measurement standards for the determination of optical …

P Lemaillet, JP Bouchard, J Hwang… - Journal of biomedical …, 2015 - spiedigitallibrary.org
There is a need for a common reference point that will allow for the comparison of the optical
properties of tissue-mimicking phantoms. After a brief review of the methods that have been …

Comparison of different cutaneous carotenoid sensors and influence of age, skin type, and kinetic changes subsequent to intake of a vegetable extract

MC Meinke, S Schanzer, SB Lohan… - Journal of …, 2016 - spiedigitallibrary.org
In the last decade, cutaneous carotenoid measurements have become increasingly popular,
as carotenoids were found to be a biomarker of nutrition rich in fruits and vegetables …

Correction of an adding-doubling inversion algorithm for the measurement of the optical parameters of turbid media

P Lemaillet, CC Cooksey, J Hwang… - Biomedical Optics …, 2017 - opg.optica.org
We present broadband measurements of the optical properties of tissue-mimicking solid
phantoms using a single integrating sphere to measure the hemispherical reflectance and …

Multiple spatially resolved reflection spectroscopy for in vivo determination of carotenoids in human skin and blood

ME Darvin, B Magnussen, J Lademann… - Laser Physics …, 2016 - iopscience.iop.org
Non-invasive measurement of carotenoid antioxidants in human skin is one of the important
tasks to investigate the skin physiology in vivo. Resonance Raman spectroscopy and …

Broadband absorption spectroscopy of turbid media using a dual step steady-state method

F Foschum, A Kienle - Journal of biomedical optics, 2012 - spiedigitallibrary.org
We present a method for the determination of the absorption coefficient of turbid media in a
broad wavelength range with high spectral resolution using a dual step method. First, the …