Optical Properties

Lentes, Frank-Thomas; Clément, M.; Neuroth, N.; Hoffmann, Hans‐Jürgen; Hayden, Yuiko T.; Hayden, Joseph S.; Kolberg, Uwe; Wolff, Silke

doi:10.1007/978-3-642-57769-7_2

Cited by 4 publications

(1 citation statement)

References 165 publications

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“…Our what-if analysis is based on 37800 simulations. The constitutive parameters of the saline solution and of the glass of which the incubation chambers are made of are known with great precision at the wavelength of interest 35 – 37 . Thus, there is no need to consider different values for these parameters.…”

Section: Resultsmentioning

confidence: 99%

Photobiomodulation on isolated mitochondria at 810 nm: first results on the efficiency of the energy conversion process

Amaroli,

Clemente Vargas,

Pasquale

et al. 2024

Sci Rep

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In this paper the photobiomodulation on isolated mitochondria of bovine liver is studied as a thermodynamic process of conversion of energy. This analysis is conducted by considering a particular set-up for the photobiomodulation experiments of interest. It allows, in particular, the computation of the electromagnetic field and the related energetic quantities in the stimulated organelles. The measurements of the excess of biochemical power density produced by the illuminated mitochondria are performed at regular time intervals after the experiments. The calculations and the measurements finally allow us to obtain the first results on the efficiency of the process of conversion of electromagnetic energy into excess of biochemical energy released by the isolated organelles.

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Section: Resultsmentioning

confidence: 99%

Photobiomodulation on isolated mitochondria at 810 nm: first results on the efficiency of the energy conversion process

Amaroli,

Clemente Vargas,

Pasquale

et al. 2024

Sci Rep

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Evaluating stability of a Raman spectrometer for long‐time experiments

Raj

Witek

Hamaguchi

2021

J Raman Spectroscopy

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Raman spectroscopic measurements spanning several hours to days are increasingly common and important. The stability of a Raman spectrometer becomes crucial when comparing spectra recorded at different occasions in such time‐intensive experiments. In this work, series of Raman spectra of benzene and emission spectra of neon were acquired using a standard Raman spectrometer operating in a typical air‐conditioned laboratory, with synchronized measurements of ambient parameters (pressure, temperature, humidity, etc.) subject to continuous unsystematic environmental drifts. The time‐dependent fluctuations of positions and intensities of selected bands in the series of spectra recorded over tens of hours displayed variations of up to ±0.3 cm−1 in the band positions and up to 2% in the associated Raman intensities, with experiments over longer time periods prone to more pronounced fluctuations. After accounting for change in the laser power fluctuations, the intensity variations were reduced to about 1%. Both the variations in the band positions and intensities showed practically no correlation with either of the ambient parameters or the refractive index of air. Tiny drifts in the laser wavenumber (on the order of 0.01 cm−1), attributed to the change in the refractive index of the laser cavity associated with the variations in the ambient pressure, were too small to account for the observed fluctuations in the band positions.

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