Results 1 to 10 of about 1,810,207 (355)

Simplifying Sample Preparation for Soil Fertility Analysis by X-ray Fluorescence Spectrometry

open access: yesSensors, 2019
Portable X-ray fluorescence (pXRF) sensors allow one to collect digital data in a practical and environmentally friendly way, as a complementary method to traditional laboratory analyses.
Tiago Rodrigues Tavares   +7 more
doaj   +2 more sources

Research Progress of Fluorescence Spectrum Analysis Technology in Food Detection

open access: yesShipin gongye ke-ji, 2022
As a testing technology for food, fluorescence spectrometry has the advantages of convenient, sensitive and efficient detection of complex and trace components in food.
Xin SHI   +4 more
doaj   +1 more source

The correlation analysis of TOC, CODCr and fluorescence characteristics in MPR [PDF]

open access: yesE3S Web of Conferences, 2020
Water samples from different biochemical reaction time in one reactor period in Micro-Pressure Inner-Loop Bioreactor (MPR) were measured respectively with adopt Excitation-emission matrix (EEM) fluorescence spectroscopy, Total organic carbon (TOC) and ...
Tian Xi   +5 more
doaj   +1 more source

Two-Photon Excited Fluorescence of NADH-Alcohol Dehydrogenase Complex in a Mixture with Bacterial Enzymes

open access: yesBiomolecules, 2023
Thorough study of composition and fluorescence properties of a commercial reagent of active equine NAD-dependent alcohol dehydrogenase expressed and purified from E. coli has been carried out. Several experimental methods: spectral- and time-resolved two-
Ioanna A. Gorbunova   +6 more
doaj   +1 more source

OVERVIEW OF X-RAY FLUORESCENCE SPECTROMETRY [PDF]

open access: yesFiabilitate şi Durabilitate, 2021
One of the techniques used in identifying the constituent chemical elements of a material is the X-ray fluorescence method. From the analysis of X-ray fluorescence data the energy and intensity of the characteristic photons emitted by the sample can be
Nicoleta-Maria MIHUȚ   +1 more
doaj  

Rapid detection of arsenic, cadmium and lead content in wheat flour by portable high-sensitivity X-ray fluorescence spectroscopy technology

open access: yesZhongguo shipin weisheng zazhi, 2022
ObjectiveA portable high-sensitivity X-ray fluorescence spectrometry method was established to directly and quickly determine the content of arsenic, cadmium and lead in wheat flour.MethodsPart of the sample was put into the sample cup, and then directly
ZHONG Hailin   +8 more
doaj   +1 more source

Cucurbituril—assisted sensitive fluorescence detection and quantitation of naproxen drug in wastewater samples: Guest-host characterization and HPLC investigation

open access: yesFrontiers in Chemistry, 2022
Sensitive spectrofluorometric and liquid chromatography with fluorescence detection methods have been developed for detection and determination of naproxen drug in the presence of cucurbit7uril (CB7).
Mohammed A. Meetani   +5 more
doaj   +1 more source

Quantitative detection and isolation of Legionella pneumophila in environmental water sample by Legiolert enzyme substrate method combined with mass spectrometry

open access: yesZhongguo linchuang yanjiu, 2023
Objective To investigate the application of Legiolert enzyme-substrate method with mass spectrometry in direct quantitative detection and separation of Legionella pneumophila in environmental water samples.
JIN Ping, GE Teng, YE Yan-hua, SI Jia-li, JIANG Xiao, ZHANG Hong-ying
doaj   +1 more source

X-ray fluorescence spectrometry: An alternative technique for analysis of waste

open access: yesBrazilian Journal of Radiation Sciences, 2023
This study aims to develop reliable analytical methodology that is, cost-effective, and requires minimal sample quantity to quantify uranium content in nuclear waste and others.
Marcos Antonio Scapin   +3 more
doaj   +1 more source

Characterization of Roman glass tesserae from the Coriglia excavation site (Italy) via energy-dispersive X-ray fluorescence spectrometry and Raman spectroscopy [PDF]

open access: yes, 2016
The combined use of handheld energy-dispersive X-ray fluorescence spectrometry, Raman spectroscopy, and micro-energy-dispersive X-ray fluorescence spectrometry permitted the characterization of Roman glass tesserae excavation from the Coriglia (Italy ...
Donais, Mary Kate   +7 more
core   +1 more source

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