Properly handling negative values in the calculation of binding constants by physicochemical modeling of spectroscopic titration data
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Chemometrics"
DOI: 10.1002/cem.3183
Abstract: To implement equilibrium hard‐modeling of spectroscopic titration data, the analyst must make a variety of crucial data processing choices that address negative absorbance and molar absorptivity values. The efficacy of three such methodological options is… read more here.
Keywords: titration data; negative values; spectroscopic titration; absorbance ... See more keywords
Dynamic optical absorption characteristics of blood after slow and fast heating
Sign Up to like & getrecommendations! Published in 2017 at "Lasers in Medical Science"
DOI: 10.1007/s10103-017-2143-8
Abstract: Laser treatment is the most effective therapy in dermatology for vascular skin disorders, such as port-wine stains (PWS). Changes in heat-induced absorbance in blood must be determined for accurate numerical simulation and implementation of multi-pulse… read more here.
Keywords: absorption; laser; temperature; fast heating ... See more keywords
Correlation between light absorbance and skin color using fabricated skin phantoms with different colors
Sign Up to like & getrecommendations! Published in 2019 at "Lasers in Medical Science"
DOI: 10.1007/s10103-019-02888-0
Abstract: The objective of this study is to investigate the need for detailed classification of skin colors through the quantification of skin color and light absorbance differences. Skin color is one of the most important factors… read more here.
Keywords: color; fitzpatrick scale; skin color; skin ... See more keywords
Absorbance spectra of the hematochrome-like granules and eyespot of Euglena gracilis by scan-free absorbance spectral imaging A(x, y, λ) within the live cells
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Plant Research"
DOI: 10.1007/s10265-019-01102-0
Abstract: Euglena gracilis has an organelle resembling hematochrome, with an appearance similar to the eyespot and the absorption band spectrally overlapped with that of the carotenoid. To discriminate the hematochrome-like granules and eyespot, scan-free, non-invasive, absorbance… read more here.
Keywords: absorbance; euglena gracilis; hematochrome like; like granules ... See more keywords
Wideband acoustic absorbance in children with Down syndrome.
Sign Up to like & getrecommendations! Published in 2019 at "Brazilian journal of otorhinolaryngology"
DOI: 10.1016/j.bjorl.2017.12.006
Abstract: INTRODUCTION Tympanometry is currently the most frequently used tool for assessing the status of the middle ear, commonly assessed using a single 226Hz tone. However, the use of the Acoustic Immittance Measures with a wideband… read more here.
Keywords: acoustic absorbance; group; study group; absorbance ... See more keywords
Plasma synthesis of nanodiamonds in ethanol
Sign Up to like & getrecommendations! Published in 2019 at "Composites Part B: Engineering"
DOI: 10.1016/j.compositesb.2018.10.071
Abstract: Abstract In this work, we examined the characteristics of the plasma formed by fs laser filamentation in ethanol that affected the nanodiamonds formation by optical emission spectroscopy. Molecular and atomic C species were detected in… read more here.
Keywords: plasma synthesis; spectroscopy; synthesis nanodiamonds; laser ... See more keywords
A method to describe energy changes in UV–vis absorbance spectra during the aggregation process of conjugated polymer solutions
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2019.136932
Abstract: Abstract We have defined average photon energy (Eave) to describe energy changes in UV–vis absorbance spectra during the aggregation of conjugated polymer solutions quantitatively. During the aggregation process of P3HS (poly(3-hexylselenophene)), Eave always decreases and… read more here.
Keywords: aggregation; aggregation process; spectra aggregation; energy ... See more keywords
A smartphone-based absorbance device extended to ultraviolet (365 nm) and near infrared (780 nm) regions using ratiometric fluorescence measurement
Sign Up to like & getrecommendations! Published in 2021 at "Microchemical Journal"
DOI: 10.1016/j.microc.2021.105978
Abstract: Abstract Herein, we developed a smartphone-based portable absorbance device with the wavelength covered from the ultraviolet (365 nm) to near infrared (780 nm) regions, expanding the applications of visualized colorimetric analysis. In a three-channel cuvette, the absorbance… read more here.
Keywords: near infrared; fluorescence; smartphone based; absorbance ... See more keywords
'Rough guide' evanescent wave optrode for colorimetric metalloporphyrine sensors.
Sign Up to like & getrecommendations! Published in 2017 at "Talanta"
DOI: 10.1016/j.talanta.2016.11.057
Abstract: When films of zinc 5-(4-carboxyphenyl),10,15,20-triphenyl porphyrin (ZnTPP) are exposed to waterborne amine in pH- neutral or alkaline media, both Q- band and Soret band respond with a change of absorbance due to the donation of… read more here.
Keywords: rough guide; evanescent wave; guide evanescent; band ... See more keywords
Dissolved organic matter binding with Pb(II) as characterized by differential spectra and 2D UV-FTIR heterospectral correlation analysis.
Sign Up to like & getrecommendations! Published in 2018 at "Water research"
DOI: 10.1016/j.watres.2018.07.062
Abstract: Dissolved organic matter (DOM) in aquatic environment significantly influences the behavior and fate of heavy metals via binding, complexation and thus changes the metal speciation; however detailed interfacial processes and mechanisms are still unclear. Here,… read more here.
Keywords: dom; ftir heterospectral; heterospectral correlation; absorbance ... See more keywords
Application of UV absorbance and electron-donating capacity as surrogates for micropollutant abatement during full-scale ozonation of secondary-treated wastewater.
Sign Up to like & getrecommendations! Published in 2021 at "Water research"
DOI: 10.1016/j.watres.2021.117858
Abstract: Ozonation of secondary-treated wastewater for the abatement of micropollutants requires a reliable control of ozone doses. Changes in the UV absorbance of dissolved organic matter (DOM) during ozonation allow to estimate micropollutant abatement on-line and… read more here.
Keywords: wastewater; ozonation; micropollutant abatement; ozone ... See more keywords