Results 11 to 20 of about 36,938 (266)

In Vivo and in Vitro Evaluations of Repeatability and Accuracy of VITA Easyshade® Advance 4.0 Dental Shade-Matching Device

open access: yesActa Stomatologica Croatica, 2015
Objectives: The objective of this study was to evaluate the intra-device repeatability and accuracy of dental shade-matching device (VITA Easyshade® Advance 4.0) using both in vitro and in vivo models.
Dubravka KNEZOVIĆ ZLATARIĆ   +3 more
doaj   +1 more source

Image-Processing Software for High-Throughput Quantification of Colony Luminescence

open access: yesmSphere, 2019
Many microbiological assays include colonies that produce a luminescent or fluorescent (here generalized as “luminescent”) signal, often in the form of luminescent halos around the colonies.
Eyal Dafni   +4 more
doaj   +1 more source

N,N-Dimethyl-4-amino-2,1,3-benzothiadiazole: Synthesis and Luminescent Solvatochromism

open access: yesChemistry Proceedings, 2021
N,N-Dimethyl-4-amino-2,1,3-benzothiadiazole (BTDNMe2) was synthesized from the commercially available 2,1,3-benzothiadiazole (BTD) by nitration in a sulfonitric mixture, followed by a reduction of the nitro group and subsequent methylation with ...
Valentina Ferraro   +2 more
doaj   +1 more source

Influence of Light Conditions and Light Sources on Clinical Measurement of Natural Teeth Color using VITA Easyshade Advance 4.0® Spectrophotometer: Pilot Study

open access: yesActa Stomatologica Croatica, 2016
Objectives: The purpose of this study was to evaluate and compare lightness (L), chroma (C) and hue (h), green-red (a) and blue-yellow (b) character of the color of maxillary right central incisors in different light conditions and light sources ...
Ivona Posavec   +2 more
doaj   +1 more source

Characterizing the luminescent properties of upconversion nanoparticles in single and densely packed state [PDF]

open access: yesJournal of Innovative Optical Health Sciences, 2019
Luminescent properties of Er3+- and Yb3+- co-doped CaF2 upconversion nanoparticles (UCNPs) were investigated in single particle and densely-packed states with a custom-built microscope.
Xiaohu Chen   +9 more
doaj   +1 more source

Luminescent molecular thermometers for the ratiometric sensing of intracellular temperature

open access: yesReviews in Analytical Chemistry, 2017
Recently, numerous luminescent molecular thermometers that exhibit temperature-dependent emission properties have been developed to measure the temperatures of tiny spaces.
Uchiyama Seiichi, Gota Chie
doaj   +1 more source

Europium(III) diphenylphosphinate as a potential low-dimensional nanostructured coordination polymer scintillator

open access: yesMaterials Letters: X, 2023
Rare earth diphenylphosphinates – [RE(dpp)3]n – are low-dimensional nanostructured luminescent materials with considerable thermal and chemical stability, obtained in powder form, consisting of highly insoluble nanowire/nanorod-shaped particles.
Luís Felipe Bricks Bim   +1 more
doaj   +1 more source

Synthesis of colloidal aluminum hydroxide nanoparticles for transparent luminescent polymer nanocomposite films

open access: yesMaterials & Design, 2019
Luminescent inorganic phosphors are widely used as wavelength-converting materials in many emerging applications including displays, solar cells, and bioimaging. This study demonstrates the synthesis of highly luminescent colloidal AlOH nanoparticles and
MinHye Kim   +5 more
doaj   +1 more source

Flexible and Transparent Luminescent Cellulose-Transition Metal Cluster Composites

open access: yesNanomaterials, 2023
Red-NIR luminescent polymers are principally obtained from petroleum-based derivatives in which emitters, usually a critical raw material such as rare-earth or platinum group metal ions, are embedded.
Maria Amela-Cortes   +4 more
doaj   +1 more source

Preparation and Properties of Rare-earth-doped Na2Ca3Si2O8 and BaZrSi3O9 Matrix Luminescent Materials

open access: yesChemical Engineering Transactions, 2018
To achieve higher quality temperature measurement, this paper studies the rare-earth-doped Na2Ca3Si2O8 and BaZrSi3O9 matrix luminescent materials. The paper mainly adopts sol-gel method to prepare luminescent material in the form of thin film and powder.
Xiaoli Chen, Zuhong Xiong
doaj   +1 more source

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