[HTML][HTML] Non-invasive quantification of foliar pigments: Possibilities and limitations of reflectance-and absorbance-based approaches

A Gitelson, A Solovchenko - Journal of Photochemistry and Photobiology B …, 2018 - Elsevier
measures of absorbance and reflectance responses to each pigment content allowing to
recognize possibilities and limitations of reflectance- and … to devise noninvasive techniques for …

A new tool for direct non-invasive evaluation of chlorophyll a content from diffuse reflectance measurements

M Muñoz-Ortuño, P Serra-Mora… - Science of The Total …, 2017 - Elsevier
… The effect of stressors can be determined by measuring the … a from non-invasive diffuse
reflectance measurements of leaves. … achieved by two different reflectance vegetation indices (…

[HTML][HTML] Evaluation and Validation on Sensitivity of Near-Infrared Diffuse Reflectance in Non-Invasive Human Blood Glucose Measurement

Q Ge, T Han, R Liu, Z Zhang, D Sun, J Liu, K Xu - Sensors, 2024 - mdpi.com
… wavelengths for non-invasive blood glucose measurements. … Non-invasive blood glucose
monitoring plays a crucial role in … technique for non-invasive glucose measurement, primarily …

Noninvasive Reflectance Spectroscopy for Normal and Cancerous Skin Cells Refractive Index Determination: An In Vitro Study

A Shirkavand, S Farivar, E Mohajerani… - Lasers in Surgery …, 2019 - Wiley Online Library
reflectance spectra measurements to enrich the database of the refractive indices and assist
automatic machine learning in the clinical diagnostic tests. We also believe that real tissue …

Non-invasive monitoring of blood glucose using optical methods for skin spectroscopy—Opportunities and recent advances

S Delbeck, T Vahlsing, S Leonhardt, G Steiner… - Analytical and …, 2019 - Springer
… A non-invasive measurement system would eliminate the inconvenience and pain of … Since
the non-invasive methods do not compromise the skin barrier, they could also allow a much …

[HTML][HTML] Noninvasive monitoring of glucose using near-infrared reflection spectroscopy of skin—constraints and effective novel strategy in multivariate calibration

HM Heise, S Delbeck, R Marbach - Biosensors, 2021 - mdpi.com
… mucosa and a gray reflectance standard of 5% reflectivity, measured by diffuse reflection;
(b) log-converted single-beam lip spectrum and two lip reflectance spectra as calculated from …

[HTML][HTML] Transmission versus reflectance spectroscopy for quantitation

CM Gardner - Journal of Biomedical Optics, 2018 - spiedigitallibrary.org
… the absorption coefficient from at least two unique reflectance measurements. For the 2100-
to 2400-… of noninvasive blood alcohol measurement devices employing NIR spectroscopy. …

Optical methods for non-invasive determination of skin penetration: current trends, advances, possibilities, prospects, and translation into in vivo human studies

ME Darvin - Pharmaceutics, 2023 - mdpi.com
… CLSM generally operates in two regimes—reflectance and fluorescence—under one-… The
reflectance regime of CLSM is completely non-invasive and provides high-quality images of …

Evaluation of opportunities and limitations of mid-infrared skin spectroscopy for noninvasive blood glucose monitoring

S Delbeck, HM Heise - Journal of Diabetes Science and …, 2021 - journals.sagepub.com
… features are illustrated and discussed in the light of recently published works, claiming
that the attenuated total reflection technique can be utilized for noninvasive measurements. …

Portable, non-destructive tester integrating VIS/NIR reflectance spectroscopy for the detection of sugar content in Asian pears

JH Choi, PA Chen, BHN Lee, SH Yim, MS Kim… - Scientia …, 2017 - Elsevier
… During component analysis using the spectroscope, the analysis of food exhibiting low
transmission involves the diffuse reflectance measurement. When a light of predetermined …