Results 31 to 40 of about 289,920 (342)

Study of Araucaria angustifolia nuts by Gamma Spectrometry and X-Ray Fluorescence

open access: yesRevista de la Sociedad Científica del Paraguay, 2019
The seed of Araucaria angustifolia is largely produced and consumed in Parana state, Brazil. It has an estimated annual consumption of approximately 0.167 kg per capita. The samples of seeds were acquired in 8 different commercial points of Londrina city
Edher Zacarías Herrera   +2 more
doaj   +1 more source

Structural Plasticity and Noncovalent Substrate Binding in the GroEL Apical Domain. A study using electrospray ionization mass spectrometry and fluorescence binding studies [PDF]

open access: yes, 2002
Advances in understanding how GroEL binds to non-native proteins are reported. Conformational flexibility in the GroEL apical domain, which could account for the variety of substrates that GroEL binds, is illustrated by comparison of several independent ...
Adams   +62 more
core   +1 more source

Study on the Mineralogical Characteristics of 12 Copper Concentrates by X-ray Fluorescence Spectrometry, X-ray Powder Diffraction and Polarization Microscope

open access: yesYankuang ceshi, 2021
BACKGROUND China is the largest importer of copper concentrate in the world. Studying the mineralogical characteristics of copper concentrates imported from different origins can be used to support the origin analysis and solid waste identification of ...
MIN Hong   +7 more
doaj   +1 more source

Surface and interface study of pulsed-laser-deposited off-stoichiometric NiMnSb thin films on Si(100) substrate [PDF]

open access: yes, 2005
We report a detailed study of surface and interface properties of pulsed-laser deposited NiMnSb films on Si (100) substrate as a function of film thickness.
G. S. Lodha   +12 more
core   +2 more sources

Determination of 23 Elements in Biological Samples by Wavelength Dispersion X-ray Fluorescence Spectrometry with High Pressure Pressed Powder Pellet Preparation

open access: yesYankuang ceshi, 2014
In the determination of biological samples by X-ray Fluorescence Spectrometry, sample powder pellets pressed by traditional sample preparation technique at 220-440 MPa are not compact and smooth, so the sample room of X-ray Fluorescence Spectrometry ...
YU Zhao-shui   +5 more
doaj   +2 more sources

The pulpits of the Church of Our Lady of Pena in Lisbon: an historical, stylistic and technical study

open access: yesConservar Património, 2014
The subject of this paper is the carved wooden pulpits of the Church of Our Lady of Pena in Lisbon, Portugal. The fact that these objects were not gilded (as the rest of the carved wooden decoration in the church) raised the reinforced interest in their ...
Sílvia Ferreira   +3 more
doaj   +1 more source

Identification of Clay Element Content in Fabric Dyeing Process Using X-Ray Fluorescence Spectrometry

open access: yesJurnal Fisika, 2022
Clay in West Sumatra has been used as a natural dye for batik, so the batik is known as clay batik. The dyeing of the cloth is done by boiling and soaking the clay together with the cloth for 10 days. The color of the fabric is caused by certain elements
Reni Fitria Nengsih   +5 more
doaj   +1 more source

Gold and Silver joining technologies in the Moche Tombs “Señor de Sipán” and “Señora de Cao jewelery [PDF]

open access: yes, 2018
About 200 gold and silver funerary ornaments from the Moche tombs “Señor de Sipán” and “Señora de Cao” were analyzed to determine their metallurgic characteristics. Of particular interest was the question about the gold-silver joining process.
Brunetti, Antonio   +7 more
core   +1 more source

Cell‐cycle‐specific lesion evolution rather than inhibition of double‐strand‐break repair underpins cisplatin radiosensitization

open access: yesMolecular Oncology, EarlyView.
We analyze cisplatin–DNA adducts (CDAs) and double‐strand breaks (DSBs) in a cell‐cycle‐dependent manner. We find that CDAs form similarly across all cell cycle phases. DSBs arise only in S‐phase. CDAs might not directly impair DSB repair, but S‐phase DSB lesions evolve in the presence of CDAs and disrupt repair in G2, also causing radiosensitization ...
Ye Qiu   +10 more
wiley   +1 more source

Quantitative electron probe microanalysis in the system Fe-Sn-C using the Claisse-Quintin relation [PDF]

open access: yes, 1985
Quantitative interpretation of EPMA measurements was required for the construction of the Fe-Sn-C phase diagram. This involved the conversion of measured x-ray intensities into concentrations, which is difficult for a light element (such as C) being ...
Bishop   +19 more
core   +2 more sources

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