Results 1 to 10 of about 3,294,049 (263)

Fabrication and characterization of plasmonic band-stop filter using Ag grating [PDF]

open access: yesEPJ Web of Conferences, 2020
This study proposes a plasmonic band-stop filter with surface plasmon resonance in a doublelayer wire grid structure targeting short-wavelength visible and near-ultraviolet regions for applications in ultraviolet photography.
Motogaito Atsushi   +2 more
doaj   +1 more source

Solvent effect on electronic absorption spectra of cyclohex-1-enylcarboxylic and 2-methylcyclohex-1-enylcarboxylic acids [PDF]

open access: yesJournal of the Serbian Chemical Society, 2000
The ultraviolet absorption spectra of cyclohex-1-enylcarboxylic acid and 2-methylcyclohex-1-enylcarboxylic acid were determined in six protic and nine aprotic solvents in the wavelength range from 200 to 400 nm.
VERA V. KRSTIC   +2 more
doaj   +2 more sources

The effects of solvents and structure on the electronic absorption spectra of the isomeric pyridine carboxylic acid N-oxides [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2013
The ultraviolet absorption spectra of the carboxyl group of three isomeric pyridine carboxylic acids N-oxides (picolinic acid N-oxide, nicotinic acid N-oxide and isonicotinic acid N-oxide) were determined in fourteen solvents in the wavelength range ...
Drmanić Saša Ž.   +4 more
doaj   +1 more source

Solvent effect on electronic absorption spectra of some 2-aminobenzimidazoles [PDF]

open access: yesActa Periodica Technologica, 2002
The effect of protic and aprotic solvents on electronic apsorption spectra of 1-(3-X-benzil)-2-aminobenzimidazoles (X=CH3;OCH3; Cl) was examined. UV-apsorption spectra (200-400 nm) were recorded in five protic and four aprotic solvents. Batochromic shift
Perušić-Janjić Nada U.   +2 more
doaj   +1 more source

Ultraviolet (UV) Spectrophotometric Analysis of Ketoprofen in Tablets–Statistical Validation of Proposed Method

open access: yesMaterials Proceedings, 2023
The aim of this paper was to exactly quantify the amount of pure ketoprofen within a pharmaceutical by a newly developed ultraviolet (UV) spectrophotometric method.
Cristian-Catalin Gavat
doaj   +1 more source

Original boron cluster covalent with poly-zwitterionic BODIPYs for boron neutron capture therapy agent

open access: yesPolymer Testing, 2021
Currently, boron neutron capture therapy(BNCT) is the most innovative and promising highly selective targeted radiotherapy for cancer. Therefore, this paper designed and synthesized two kinds of boron-polymers, wrapped in the same fluorophore -BODIPYs ...
Feng Zhao   +3 more
doaj   +1 more source

Optical Properties of New Third-Order Nonlinear Materials Modified by Click Chemistry

open access: yesMolecules, 2022
A high-yielding click reaction was used to synthesize a series of highly conjugated, symmetrical, as well as asymmetrical compounds with a benzene core. Cyclic voltammetry and ultraviolet/visible absorption spectroscopy were carried out, and proved that ...
Yuzhen Zhao   +7 more
doaj   +1 more source

Plant color adaptation to solar radiation: A study of qualitative and quantitative characteristics [PDF]

open access: yesPresent Environment and Sustainable Development, 2023
This paper investigated latitudinal and seasonal variations in the qualitative characteristics of solar radiation (spectral composition, position of the maximum and short-wave boundary) in the ultraviolet and visible regions. It has been established that,
Irina KOLOMIETS
doaj   +1 more source

Structural, Optical and Photocatalytic Properties of Cerium Oxide Nanoparticles [PDF]

open access: yesNanochemistry Research
Sphere-like cerium dioxide nanoparticles were synthesized by a hydrothermal method. The resulting samples were investigated using various techniques, including X-ray powder diffraction spectroscopy (XRD), high-resolution scanning electron microscopy ...
Anbuvannan Mari   +4 more
doaj   +1 more source

Significantly Improved Electrical Breakdown Strength of Natural Ester Liquid Dielectrics by Doping Ultraviolet Absorbing Molecules

open access: yesIEEE Access, 2019
In this paper, we experimentally demonstrate that molecules with maximum absorption wavelength corresponding to the first excitation energy of base liquid molecules are able to significantly improve the electrical performances of natural ester oils.
Suning Liang   +5 more
doaj   +1 more source

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